WO2012121149A1 - 積層ポリエステルフィルム、成形用部材、および成形体ならびにそれらの製造方法 - Google Patents
積層ポリエステルフィルム、成形用部材、および成形体ならびにそれらの製造方法 Download PDFInfo
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- WO2012121149A1 WO2012121149A1 PCT/JP2012/055400 JP2012055400W WO2012121149A1 WO 2012121149 A1 WO2012121149 A1 WO 2012121149A1 JP 2012055400 W JP2012055400 W JP 2012055400W WO 2012121149 A1 WO2012121149 A1 WO 2012121149A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/044—Forming conductive coatings; Forming coatings having anti-static properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/38—Layered products comprising a layer of synthetic resin comprising epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/056—Forming hydrophilic coatings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2270/00—Resin or rubber layer containing a blend of at least two different polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
- C08J2475/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31511—Of epoxy ether
- Y10T428/31515—As intermediate layer
Definitions
- the present invention relates to a laminated polyester film, a molding member, a molded body, and a method for producing the same, and more specifically, a transparency, a printing layer made of printing ink, and a hard coat layer made of UV (ultraviolet) curable resin; Laminated polyester film having excellent adhesion and antistatic properties, and excellent adhesion and antistatic properties after molding, a molding member using the laminated polyester film, a molded product, and a method for producing the same About.
- a decorative layer composed of a printed layer, a vapor-deposited layer, etc. on a base film, and a hard coat layer composed of a UV curable resin are pasted in this order when a resin molded product is molded.
- Examples of the base film used here include films made of various resins.
- biaxially stretched polyester films are mainly used from the viewpoints of physical properties, price, and the like.
- a method of providing an easy-adhesion layer on the base film is common.
- the conventional laminated polyester film provided with the easy-adhesion layer has a problem that the adhesion between the laminated polyester film and the printed layer or hard coat layer is insufficient. Further, when exposed to high temperature and high humidity for a long time, there is a problem that the adhesion between the easy adhesion layer and the printing layer or the adhesion between the easy adhesion layer and the hard coat layer is lowered. Since the laminated polyester film is used for a case such as a mobile phone or an electric product, in addition to normal (normal) adhesiveness, wet heat adhesiveness after exposure to high temperature and high humidity is also required.
- the transparency of the laminated polyester film is also important, and the transparency of the base film and the easy-adhesion layer that make up the laminated polyester film is also important. is there.
- Patent Document 1 a technique using an acrylic urethane copolymer resin, a polyester resin, or a cross-linking agent as a constituent resin of an easily adhesive layer is known (Patent Document 1). Also known is a method of using a water-soluble resin containing an acrylic urethane copolymer resin and a cross-linking agent as a constituent resin of an easy-adhesion layer (Patent Document 2).
- Patent Documents 1 and 2 have a problem that the antistatic property and the easy adhesion property are insufficient.
- Patent Document 3 a technique is known in which a conductive polymer resin, an acrylic resin, a cross-linking agent, and a fluororesin are used as the constituent resin for the easy adhesion layer.
- Patent Document 3 a technique related to adhesiveness to a pressure-sensitive adhesive tape, and has a problem that adhesiveness to a printing layer made of printing ink or a hard coat layer is not sufficient.
- an object of the present invention is to provide a laminated polyester film having excellent transparency, adhesion to a printed layer or a hard coat layer, antistatic properties, and excellent adhesion and antistatic properties after molding, and the laminated polyester film.
- An object of the present invention is to provide a molding member, a molded body, and a method for producing them.
- a laminated polyester film according to the present invention, a molding member using the laminated polyester film, a molded product, and a production method thereof have the following configurations.
- An acrylic urethane copolymer resin (A), an isocyanate compound (B), an epoxy compound (C), a compound (d-1) having a polythiophene structure, and a compound having an anion structure (d) on at least one surface of a polyester film -2) is provided, and the layer (X) exhibits a continuous phase structure.
- the layer (X) exhibits a continuous phase structure of a first mixture and a second mixture, and the first mixture is composed of the acrylic urethane copolymer resin (A) and the isocyanate compound (B). And the second mixture is a mixture of the epoxy compound (C), the compound (d-1) having the polythiophene structure, and the compound (d-2) having the anion structure.
- the laminated polyester film according to (1) exhibits a continuous phase structure of a first mixture and a second mixture, and the first mixture is composed of the acrylic urethane copolymer resin (A) and the isocyanate compound (B).
- the second mixture is a mixture of the epoxy compound (C), the compound (d-1) having the polythiophene structure, and the compound (d-2) having the anion structure.
- Acrylic urethane copolymer resin (A), isocyanate compound (B), epoxy compound (C), compound (d-1) having a polythiophene structure and compound having an anion structure (d) on at least one surface of the polyester film -2) is provided, and the content of the compound (B) in the layer (X) is 80 to 110 parts by weight relative to 100 parts by weight of the resin (A).
- the content of (C) is 60 to 90 parts by weight with respect to 100 parts by weight of the resin (A), and the total content of the compound (d-1) and the compound (d-2) is the resin A laminated polyester film characterized by being 10 to 30 parts by weight per 100 parts by weight of (A).
- the layer (X) exhibits a continuous phase structure of a first mixture and a second mixture, and the first mixture is composed of the acrylic urethane copolymer resin (A) and the isocyanate compound (B). And the second mixture is a mixture of the epoxy compound (C), the compound (d-1) having the polythiophene structure, and the compound (d-2) having the anion structure.
- the laminated polyester film according to (4).
- the layer (X) contains 50 to 80 parts by weight of the oxazoline compound (E) and 50 to 80 parts by weight of the carbodiimide compound (F) with respect to 100 parts by weight of the resin (A).
- the laminated polyester film according to any one of (1) to (5).
- the scratch-resistant resin layer has a polycaprolactone component (K) and a urethane component (N), and further has a polysiloxane component (L) and / or a polydimethylsiloxane component (M), (8) or (9 The molding member as described in).
- a molded body comprising the molding member according to any one of (8) to (10) and a molding resin.
- the polyester film is stretched and heat-treated in at least one direction.
- the coating agent (x) is an acrylic urethane copolymer resin (a), an isocyanate compound (b), an epoxy compound (c), a compound (d-1) having a polythiophene structure, A compound (d-2) having an anionic structure, wherein the content of the compound (b) in the coating agent (x) is 80 to 110 parts by weight with respect to 100 parts by weight of the resin (a), The content of the compound (c) is 60 to 90 parts by weight with respect to 100 parts by weight of the resin (a), and the contents of the compound (d-1) and the compound (d-2) Method for producing a laminated polyester film, wherein the total is 10 to 30 parts by weight per 100 parts by weight of the resin (a).
- the layer (X) exhibits a continuous phase structure of a first mixture and a second mixture, and the first mixture is composed of an acrylic urethane copolymer resin (A) and an isocyanate compound (B).
- the urethane copolymer resin (A) is made of the acrylic urethane copolymer resin (a) or a resin containing a structure derived from the acrylic urethane copolymer resin (a), and the isocyanate compound (B) contains the isocyanate compound ( b) or a resin containing a structure derived from the isocyanate compound (b), wherein the epoxy compound (C) is the epoxy compound (c) or the epoxy Made of a resin containing a structure derived from the compound (c), method for producing a laminated polyester film according to (12).
- the coating agent (x) contains 50 to 80 parts by weight of the oxazoline compound (e) and 50 to 80 parts by weight of the carbodiimide compound (f) with respect to 100 parts by weight of the resin (a).
- the at least one outermost layer is a scratch-resistant resin layer, the thickness of the scratch resin layer is 10 to 30 ⁇ m, and the surface specific resistance of the surface of the scratch resin layer is less than 1 ⁇ 10 13 ⁇ / ⁇ , (16)
- the scratch-resistant resin layer constituent liquid is applied to the layer (X) side of the laminated polyester film to form a scratch-resistant resin layer, and the scratch-resistant resin layer constituent liquid is a resin (k) having a polycaprolactone skeleton and a hydroxyl group.
- an isocyanate compound (n), a resin (l) having a polysiloxane skeleton, a resin (m) having a polydimethylsiloxane skeleton, and a resin (l + m) having a polysiloxane skeleton and a polydimethylsiloxane skeleton The molding part according to (16) or (17), which contains any one or more resins selected from the group consisting of The method of production.
- a laminated polyester film having excellent transparency, adhesion to a printed layer or a hard coat layer, antistatic properties, and excellent adhesion and antistatic properties after molding can be obtained.
- Polyester films have excellent adhesion and antistatic properties even when subjected to molding.
- the layered polyester film of the present invention is provided with a layer (X) on at least one side of a polyester film (base film) serving as a base material.
- the polyester constituting the polyester film serving as a base material is a general term for polymers having an ester bond as a main bond chain.
- Preferred polyesters include those having at least one constituent resin selected from ethylene terephthalate, ethylene-2,6-naphthalate, butylene terephthalate, propylene terephthalate, 1,4-cyclohexanedimethylene terephthalate, and the like as a main constituent resin. Can be mentioned. These constituent resins may be used alone or in combination of two or more.
- the polyester film serving as a base material has a stress at 100% elongation in the longitudinal direction and the width direction at 150 ° C. (hereinafter, the stress at 100% elongation is referred to as F-100 value) of 10 MPa or more. It is preferable that it is 70 MPa or less.
- the base film used for the laminated polyester film has a structure in which 30 layers or more of layers made of resin P (P layer) and layers made of resin Q (Q layer) are alternately laminated.
- the resin P is polyethylene terephthalate or polyethylene naphthalate
- the resin Q is a polyester containing spiroglycol or cyclohexanedimethanol.
- a known film may be used as long as it satisfies the above conditions.
- the laminated polyester film has excellent moldability by setting the F-100 value in the longitudinal direction and the width direction of the film at 150 ° C. within the above range. Therefore, it becomes easy to form in an arbitrary shape in various moldings such as vacuum molding, vacuum pressure molding, in-mold molding, insert molding, press molding, and drawing molding. In addition, it has excellent transparency, adhesion to the printed layer, antistatic properties, and adhesion after molding, and antistatic properties. It can be particularly preferably used.
- the F-100 value in the longitudinal direction and the width direction of the laminated polyester film at 150 ° C. is less than 10 MPa, the following problems may occur and the film may not be used as a decorative film.
- the preheating step of the molding process there are problems such as a problem that the film is deformed and broken, and a molding defect due to sagging.
- it exceeds 70 MPa the deformation becomes insufficient during thermoforming, and there is a fear that it cannot be used as a film for decorative molding.
- a base film having F-100 values in the longitudinal direction and the width direction of 10 MPa or more and 70 MPa or less.
- various additives such as an antioxidant, a heat stabilizer, a weather stabilizer, an ultraviolet absorber, an organic lubricant, a pigment, a dye, organic or inorganic fine particles, a filler, an antistatic agent.
- a nucleating agent and a crosslinking agent may be added to such an extent that the characteristics are not deteriorated.
- biaxial orientation refers to a pattern showing a biaxial orientation pattern by wide-angle X-ray diffraction.
- a biaxially oriented polyester film can be generally obtained by stretching an unstretched polyester sheet by about 2.5 to 5 times in the longitudinal direction and the width direction of the sheet, followed by heat treatment to complete crystal orientation. it can.
- the polyester film itself may be a laminated structure having two or more layers.
- the laminated structure for example, a composite film having an inner layer portion and a surface layer portion, in which a particle is substantially not contained in the inner layer portion and a layer containing particles only in the surface layer portion is provided.
- a film can be mentioned.
- the inner layer portion and the surface layer portion may be chemically different polymers or the same kind of polymers.
- the layer thickness of the polyester film serving as the substrate is appropriately selected depending on the application, but is usually preferably 10 to 500 ⁇ m, more preferably 20 to 300 ⁇ m.
- the laminated polyester film of the present invention comprises an acrylic urethane copolymer resin (A), an isocyanate compound (B), an epoxy compound (C), a compound having a polythiophene structure (d-1) and an anion structure on at least one surface of the polyester film.
- a layer (X) comprising a compound (d-2) having a nuclei, wherein the layer (X) is a laminated polyester film having a continuous phase structure of phase 1 and phase 2.
- a laminated polyester film having such a structure is excellent in transparency, adhesion to a printed layer or hard coat layer, and antistatic properties, and is excellent in adhesion after molding and antistatic properties.
- this layer (X) exhibits a continuous phase structure of phase 1 (first mixture) and phase 2 (second mixture).
- the first mixture is a mixture of an acrylic urethane copolymer resin (A) and an isocyanate compound (B) (hereinafter also referred to as a mixture (A + B)), and the second mixture is an epoxy compound.
- (C) is preferably a mixture of the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure (hereinafter sometimes referred to as a mixture (C + D)). Such a mixture may be referred to as a resin group.
- the first mixture is not limited to only a mixture of acrylic urethane copolymer resin (A) and isocyanate compound (B). Even a crosslinked product of the acrylic urethane copolymer resin (A) and the isocyanate compound (B) corresponds to the first mixture.
- the first mixture and the second mixture may each contain an oxazoline compound (E) and a carbodiimide compound (F) described later.
- the continuous phase structure generally represents a three-dimensionally continuous or connected structure (network structure).
- Non-Patent Document 1 Polymer Alloy Fundamentals and Applications, Second Edition” edited by The Society of Polymer Science, Tokyo Chemical Doujin (1993)
- FIG. 1 to FIG. 3 are illustrated.
- 1 represents a sea-island structure
- FIG. 2 represents a continuous phase structure
- FIG. 3 represents a composite dispersion structure
- the continuous phase structure in the present invention represents the structure of FIG. 2 (reference numeral 0 in the figure is layer (X)
- reference numeral 1 indicates phase 1 (for example, mixture (A + B))
- 2 indicates phase 2 (for example, mixture (C + D)).
- the shape of the continuous phase structure is not particularly limited, and may be a network shape, particularly a random network shape.
- Non-Patent Document 1 reports the interfacial tension of each resin and the mixing fraction of each resin as main factors affecting the formation of the continuous phase structure.
- Non-Patent Document 1 does not describe the interfacial tension or mixing fraction of each resin suitable for forming a continuous phase structure.
- the polarity of the resin constituting each resin is also important for the layer (X) to form a continuous phase structure. As a parameter including the influence of such resin polarity and interfacial tension, there is a solubility parameter.
- the solubility parameter of each resin As a result, the acrylic urethane copolymer resin (A), the isocyanate compound (B), the epoxy compound (C), the compound (d-1) having a polythiophene structure, and the compound (d- It was found that by using 2), the formation of the continuous phase structure can be easily controlled and formed efficiently. Details of these resins and compounds will be described later.
- Whether the layer (X) has a continuous phase structure is determined by observing the cross section of the layer (X) using a transmission electron microscope (TEM) and the layer (X) using a field emission transmission electron microscope (FETEM). ) In the three-dimensional reconstruction processing image of the cross-sectional continuous inclined image.
- the determination by the three-dimensional reconstruction processing image of the cross-sectional continuous tilt image of the layer (X) is specifically the area of the phase 2 (for example, the mixture (C + D)) in the three-dimensional reconstruction processing image of the layer (X). This means judgment based on the standard deviation of the ratio.
- a sample on the surface of the layer (X) is prepared by an OsO 4 dyeing ultrathin film section method.
- a continuous phase structure (network structure) as shown in FIG. 4 can be confirmed (reference numeral 3 in FIG. 4 is polyester).
- Film portion (base film portion) is shown).
- the cross-sectional observation of the layer (X) means cross-sectional observation of the XZ plane in FIG.
- a sample on the surface of the layer (X) is prepared by an OsO 4 dyeing ultrathin film section method.
- OsO 4 dyeing ultrathin film section method By observing a TEM image of the cross section of the measurement sample under the conditions of accelerating voltage 200 kV and magnification 20,000 times while tilting the obtained measurement sample every 1 °, a cross-sectional continuous tilt image is obtained (here.
- the section of the layer (X) means the section of the XZ plane in FIG. 6).
- CT Computerized Tomography
- a cross section parallel to the substrate that is, with respect to the layer (X)
- the area of the substantially parallel cross section) and the area of the black portion in the cross section are measured every 1 nm in the thickness direction of the layer (X), and the area ratio of the black portion in each cross section is calculated.
- a standard deviation is calculated about the measured value of the area ratio of the black part obtained at intervals of 1 nm in the thickness direction.
- the cross section parallel to the substrate is a cross section parallel to the XY plane in FIG. 6, and the thickness direction is the Z axis. Means a direction parallel to.
- the phase 1 eg, mixture (A + B)
- the phase 2 eg, mixture (C + D)
- the connected state in the XY plane can be observed.
- the staining method is the same as the cross-sectional observation of the layer (X) using a transmission electron microscope (TEM), it is determined that the black portion is a mixture (C + D) even in the three-dimensional reconstruction processing image. it can.
- TEM transmission electron microscope
- the phase 2 (for example, mixed) in the thickness direction of the layer (X) is compared with the sea-island structure in FIG. 1 and the composite dispersion structure in FIG. Since the deviation of the area ratio of the body (C + D) is small, the standard deviation is small.
- the area ratio of phase 2 (for example, the mixture (C + D)) is biased, so that the standard deviation becomes large.
- the area ratio of the black portion in the cross section substantially parallel to the layer (X) is measured every 1 nm in the thickness direction of the layer (X), and the phase 2 (black portion (for example, mixture (C + D)))
- the standard deviation of the area ratio (%) was 15 (%) or less, the standard deviation was small, and it was judged to be a continuous phase structure in which phase 2 (for example, mixture (C + D)) was continuously present.
- the standard deviation of the area ratio of the phase 2 for example, the mixture (C + D)
- the phase 2 for example, the mixture (C + D)
- layer (X) consists essentially of two phases, phase 1 (eg, mixture (A + B)) and phase 2 (eg, mixture (C + D)), and phase 2 (eg, mixture (C + D))
- phase 1 eg, mixture (A + B)
- phase 2 eg, mixture (C + D)
- phase 1 eg, mixture (A + B)
- phase 2 eg, mixture (C + D)
- phase of phase 2 (for example, mixture (C + D)) is a continuous phase.
- the entire layer (X) has a continuous phase structure (ie, a structure as shown in FIG. 2) of phase 1 (eg, mixture (A + B)) and phase 2 (eg, mixture (C + D)). It is thought that it is presenting.
- Layer (X) comprises an acrylic urethane copolymer resin (A), an isocyanate compound (B), an epoxy compound (C), a compound (d-1) having a polythiophene structure, and a compound (d-2) having an anion structure.
- the layer (X) has a high transparency, printed layer and hard coat because the phase 1 (for example, the mixture (A + B)) and the phase 2 (for example, the mixture (C + D)) have a continuous phase structure. Adhesion with the layer and antistatic properties can be exhibited. Surprisingly, excellent adhesion and antistatic properties can be exhibited even after a molding process such as insert molding.
- the mixture (A + B) and the mixture (C + D) have a continuous phase structure, the mixture (A + B) having excellent adhesion to the printed layer and the hard coat layer is continuous on the surface of the easy-adhesion layer. And distributed. As a result, when a force to peel off the printed layer or the hard coat layer is applied, the stress is not locally concentrated but dispersed, so that excellent adhesiveness can be exhibited. Moreover, since the mixture (C + D) having a conductive resin is continuously present on the surface of the layer (X), the layer (X) can exhibit good antistatic properties.
- the mixture (A + B) and the mixture (C + D) contain the oxazoline compound (E) and the carbodiimide compound (F) as long as the mixture (A + B) and the mixture (C + D) form a continuous phase structure. This is preferable because a further excellent adhesiveness can be exhibited without impairing the antistatic property.
- the layer (X) there is no limitation on the method for the phase 1 (for example, the mixture (A + B)) and the phase 2 (for example, the mixture (C + D)) to have a continuous phase structure.
- the layer (X) is a continuous phase of phase 1 (for example, mixture (A + B)) and phase 2 (for example, mixture (C + D)) by setting the ratio of each resin within a certain range. Can take structure.
- an acrylic urethane copolymer resin (A), an isocyanate compound (B), an epoxy compound (C), a compound having a polythiophene structure (d-1) and a negative electrode are formed on at least one surface of the polyester film.
- a layer (X) composed of the compound (d-2) having an ionic structure is provided, and the content of the compound (B) in the layer (X) is 80 with respect to 100 parts by weight of the resin (A).
- the content of the compound (C) is 60 to 90 parts by weight with respect to 100 parts by weight of the resin (A), and the compound (d-1) and the compound (d-2) The total content is 10 to 30 parts by weight with respect to 100 parts by weight of the resin (A).
- the layer (X) can take a continuous phase structure described later.
- the layer (X) can exhibit high transparency, adhesion with a printed layer or a hard coat layer, and antistatic properties.
- excellent adhesion and antistatic properties can be exhibited even after a molding process such as insert molding.
- the acrylic urethane copolymer resin (A) in the laminated polyester film of the present invention is the following acrylic urethane copolymer resin (a), or acrylic urethane copolymer resin (a) is an isocyanate compound (b) or an oxazoline compound (e). ) Or a carbodiimide compound (f) or the like, it means a resin containing a structure derived from the acrylic urethane copolymer resin (a).
- the acrylic urethane copolymer resin (a) here is not particularly limited as long as it is a resin in which an acrylic resin and a urethane resin are copolymerized.
- a copolymer resin is preferable because it has excellent adhesion to the printed layer and the hard coat layer.
- the acrylic resin used in the present invention represents a resin obtained by copolymerizing an acrylic monomer described later and, if necessary, another monomer by a known acrylic resin polymerization method such as emulsion polymerization or suspension polymerization. .
- acrylic monomers used in the acrylic urethane copolymer resin (a) include alkyl acrylates (alkyl groups include methyl, ethyl, n-propyl, n-butyl, isobutyl, t-butyl, 2-ethylhexyl, cyclohexyl, etc.), alkyl Methacrylate (Methyl, ethyl, n-propyl, n-butyl, isobutyl, t-butyl, 2-ethylhexyl, cyclohexyl, etc.
- alkyl acrylates alkyl groups include methyl, ethyl, n-propyl, n-butyl, isobutyl, t-butyl, 2-ethylhexyl, cyclohexyl, etc.
- acrylic monomers can also be used in combination with other monomers.
- examples of other types of monomers include glycidyl group-containing monomers such as allyl glycidyl ether, monomers containing acid anhydride groups such as maleic anhydride and itaconic anhydride, vinyl isocyanate, allyl isocyanate, styrene, vinyl methyl ether, and vinyl ethyl ether.
- Vinyl trisalkoxysilane, alkyl maleic acid monoester, alkyl fumaric acid mono ester, acrylonitrile, methacrylonitrile, alkyl itaconic acid mono ester, vinylidene chloride, vinyl acetate, vinyl chloride, vinyl pyrrolidone and the like can be used.
- the acrylic monomer is polymerized using one kind or two or more kinds.
- the ratio of the acrylic monomer in all monomers is preferably 50% by weight or more, and more preferably 70% by weight or more.
- the urethane resin used in the present invention represents a resin obtained by reacting a polyhydroxy compound and a polyisocyanate compound by a known urethane resin polymerization method such as emulsion polymerization or suspension polymerization.
- polyhydroxy compound examples include polyethylene glycol, polypropylene glycol, polyethylene / propylene glycol, polytetramethylene glycol, hexamethylene glycol, tetramethylene glycol, 1,5-pentanediol, diethylene glycol, triethylene glycol, polycaprolactone, polyhexamethylene.
- examples include adipate, polyhexamethylene sebacate, polytetramethylene adipate, polytetramethylene sebacate, trimethylolpropane, trimethylolethane, pentaerythritol, polycarbonate diol, glycerin and the like.
- the acrylic urethane copolymer resin (a) is preferably dissolved or dispersed in water.
- a carboxylic acid group-containing polyhydroxy compound or a hydroxyl group-containing carboxylic acid can be used as one of the polyhydroxy compounds.
- the carboxylic acid group-containing polyhydroxy compound include dimethylolpropionic acid, dimethylolbutyric acid, dimethylolvaleric acid, trimellitic acid bis (ethylene glycol) ester, and the like.
- the hydroxyl group-containing carboxylic acid include 3-hydroxypropionic acid, ⁇ -hydroxybutyric acid, p- (2-hydroxyethyl) benzoic acid, malic acid, and the like.
- a method of introducing a sulfonate group into a urethane resin can be mentioned.
- a prepolymer is produced from a polyhydroxy compound, a polyisocyanate compound and a chain extender, and a compound having an amino group or a hydroxyl group capable of reacting with a terminal isocyanate group and a sulfonate group or a sulfate half ester base in the molecule.
- This is a method of adding and reacting to finally obtain a urethane resin having a sulfonate group or a sulfate half ester base in the molecule.
- Examples of the compound having an amino group or a hydroxyl group capable of reacting with a terminal isocyanate group and a sulfonate group include aminomethanesulfonic acid, 2-aminoethanesulfonic acid, 2-amino-5-methylbenzene-2-sulfonic acid, ⁇ - Sodium hydroxyethanesulfonate, propane sultone of an aliphatic primary amine compound, butane sultone addition product and the like can be used, and a propane sultone adduct of an aliphatic primary amine compound is preferable.
- polyisocyanate compound examples include hexamethylene diisocyanate, diphenylmethane diisocyanate, tolylene diisocyanate, isophorone diisocyanate, an adduct of tolylene diisocyanate and trimethylol propane, an adduct of hexamethylene diisocyanate and trimethylol ethane, and the like.
- the acrylic urethane copolymer resin (a) is preferably not in a state where the core layer made of urethane resin is completely encased by the skin layer made of acrylic resin but having a form in which the core layer is exposed. That is, when the core layer is completely encased by the skin layer, the layer (X) becomes a surface state having only the characteristics of the acrylic resin, and a surface state having the characteristics of the urethane resin derived from the core layer can be obtained. Since it becomes difficult to do so, it is not preferable in terms of adhesiveness with the printed layer or the hard coat layer.
- the state in which the core layer is not encapsulated by the skin layer is simply a state in which an acrylic resin and a urethane resin are mixed. Then, generally, an acrylic resin having a small surface energy of the resin is selectively coordinated on the surface side. As a result, since the layer (X) has only the characteristics of the acrylic resin, it is not preferable in terms of adhesiveness with the printed layer or the hard coat layer.
- an acrylic urethane copolymer resin (a) having a core / skin structure An example of obtaining an acrylic urethane copolymer resin (a) having a core / skin structure is shown.
- first-stage emulsion polymerization is performed using a urethane resin monomer, an emulsifier, a polymerization initiator, and water that form the core portion of the polymer resin.
- an acrylic monomer that forms a skin portion and a polymerization initiator are added, and second-stage emulsion polymerization is performed.
- an acrylic urethane copolymer resin having a core / skin structure can be obtained.
- the emulsifier is limited to an amount that does not form a new core.
- a method in which polymerization proceeds on the surface of the core made of the formed urethane resin is useful.
- acrylic urethane copolymer resin (a) is not limited to this.
- a small amount of a dispersant and a polymerization initiator are added to an aqueous dispersion of a urethane resin, and the acrylic monomer is gradually added while stirring at a constant temperature. Thereafter, the temperature is raised as necessary, and the reaction is continued for a certain period of time to complete the polymerization of the acrylic monomer to obtain an aqueous dispersion of an acrylic urethane copolymer resin.
- the content of the acrylic urethane copolymer resin (A) is preferably 15% by weight or more, and more preferably 20% by weight or more based on the total weight of the layer (X).
- the content of the acrylic urethane copolymer resin (A) in the layer (X) refers to the total weight of the portions derived from the acrylic urethane copolymer resin (a) in the layer (X).
- a part of the acrylic urethane copolymer resin (a) forms a crosslinked structure with another compound such as the isocyanate compound (b), the oxazoline compound (e), or the carbodiimide compound (f) in the layer (X).
- the content of the acrylic urethane copolymer resin (A) is the weight of the uncrosslinked acrylic urethane copolymer resin (a) and the portion of the crosslinked structure derived from the acrylic urethane copolymer resin (a).
- the weight is the sum of all the weights, and the weight of the portion derived from another compound such as isocyanate compound (b), oxazoline compound (e), carbodiimide compound (f) in the cross-linked structure is referred to here. It is not included in the content of the acrylic urethane copolymer resin (A).
- the glass transition temperature (Tg) of the acrylic resin in the acrylic urethane copolymer resin (a) is preferably 20 ° C. or higher, and more preferably 40 ° C. or higher.
- Tg glass transition temperature
- the ratio of the acrylic resin to the urethane resin (acrylic resin / urethane resin) in the acrylic urethane copolymer resin (a) is preferably “10/90” or more and “70/30” or less, and “20 / More preferably, it is 80 ”or more and“ 50/50 ”or less. If it is out of this range, the adhesion between the laminated polyester film and the printed layer may deteriorate.
- the weight ratio of the acrylic resin and the urethane resin can be set to a desired value by adjusting the blending amount of the raw materials at the time of producing the acrylic urethane copolymer resin (a).
- the isocyanate compound (B) in the present invention is an isocyanate compound (b) described below, or an isocyanate compound (b) is an acrylic urethane copolymer resin (a), an oxazoline compound (e), a carbodiimide compound (f), or the like.
- an isocyanate compound (b) is an acrylic urethane copolymer resin (a), an oxazoline compound (e), a carbodiimide compound (f), or the like.
- a crosslinked structure it means a resin containing a structure derived from the isocyanate compound (b).
- isocyanate compound (b) examples include tolylene diisocyanate, diphenylmethane-4,4′-diisocyanate, metaxylylene diisocyanate, hexamethylene-1,6-diisocyanate, 1,6-diisocyanate hexane, tolylene diisocyanate and hexanetriol.
- Adduct adduct of tolylene diisocyanate and trimethylolpropane, polyol-modified diphenylmethane-4,4'-diisocyanate, carbodiimide-modified diphenylmethane-4,4'-diisocyanate, isophorone diisocyanate, 1,5-naphthalene diisocyanate, 3,3 ' -Bitrylene-4,4'diisocyanate, 3,3'dimethyldiphenylmethane-4,4'-diisocyanate, metaphenylene diisocyanate It can be used.
- the toughness of the layer (X) increases, so that it is preferably used. it can.
- the isocyanate compound (b) is preferably an aqueous dispersion.
- a blocked isocyanate compound in which an isocyanate group is masked with a blocking agent or the like is particularly preferable.
- a crosslinking reaction of the blocking agent a system is known in which the blocking agent is volatilized by the heat of the drying process after coating, and the isocyanate group is exposed to cause a crosslinking reaction.
- the isocyanate group may be a monofunctional type or a polyfunctional type, but the polyfunctional type block polyisocyanate compound improves the cross-linking density of the layer (X), and wet heat with the printed layer or hard coat layer. It is preferable because of excellent adhesiveness.
- low-molecular or high-molecular compounds having two or more blocked isocyanate groups examples include tolylene diisocyanate, hexamethylene diisocyanate, trimethylolpropane 3-mole adduct, polyvinyl isocyanate, vinyl isocyanate copolymer, polyurethane-terminated diisocyanate.
- the content of the acrylic urethane copolymer resin (A) in the layer (X) is 100 parts by weight
- the content of the isocyanate compound (B) needs to be 80 parts by weight or more and 110 parts by weight or less.
- the content of the isocyanate compound (B) is within the above range, the content of the epoxy compound (C), and the content of the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure.
- content of an isocyanate compound (B) When content of an isocyanate compound (B) is less than 80 weight part, it is inferior to adhesiveness with a printing layer or a hard-coat layer. On the other hand, if it exceeds 110 parts by weight, the transparency of the laminated polyester film deteriorates and the layer (X) does not have sufficient antistatic properties.
- a preferable range of the content of the isocyanate compound (B) is 90 parts by weight or more and 105 parts by weight or less when the content of the acrylic urethane copolymer resin (A) in the layer (X) is 100 parts by weight. When content of an isocyanate compound (B) is less than 90 weight part, it may be inferior to adhesiveness with a printing layer or a hard-coat layer.
- the content of the isocyanate compound (B) in the layer (X) refers to the total weight of the portion derived from the isocyanate compound (b) in the layer (X).
- a part of the isocyanate compound (b) forms a crosslinked structure with another compound such as an acrylic urethane copolymer resin (a), an oxazoline compound (e), or a carbodiimide compound (f) in the layer (X).
- the content of the isocyanate compound (B) is the sum of the weight of the uncrosslinked isocyanate compound (b) and the weight of the portion derived from the isocyanate compound (b) in the crosslinked structure.
- the weight of the portion derived from another compound such as the acrylic urethane copolymer resin (a), the oxazoline compound (e), and the carbodiimide compound (f) in the crosslinked structure is the isocyanate compound (B) here. It is not included in the content of.
- the epoxy compound (C) is an epoxy compound (c) or an epoxy compound (c) that forms a crosslinked structure with an oxazoline compound (e) or a carbodiimide compound (f). It means a resin containing a structure derived from the compound (c).
- epoxy compound (c) for example, sorbitol polyglycidyl ether, polyglycerol polyglycidyl ether, polyethylene glycol diglycidyl ether, polyhydroxyalkane polyglycidyl ether, and the like can be used.
- the epoxy compound “Denacol” manufactured by Nagase ChemteX Corporation (EX-611, EX-614, EX-614B, EX-512, EX-521, EX-421, EX-313, EX-810, EX-830, EX-850), diepoxy / polyepoxy compounds manufactured by Sakamoto Pharmaceutical Co., Ltd.
- epoxy crosslinking agent “EPICLON” manufactured by DIC Corporation (EM-85-75W) , CR-5L) and the like can be suitably used. Among them, those having water solubility are preferable.
- the content of the acrylic urethane copolymer resin (A) in the layer (X) is 100 parts by weight
- the content of the epoxy compound (C) needs to be 60 parts by weight or more and 90 parts by weight or less.
- the content of the epoxy compound (C) is within the above range, the content of the isocyanate compound (B), and the content of the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure
- the layer (X) can exhibit high transparency, adhesiveness, and antistatic properties. The reason for this will be described later.
- the content of the epoxy compound (C) is less than 60 parts by weight, the layer (X) does not have sufficient antistatic properties.
- layer (X) is inferior to the adhesiveness with a printing layer or a hard-coat layer.
- a preferable range of the content of the epoxy compound (C) is 70 parts by weight or more and 85 parts by weight or less when the content of the acrylic urethane copolymer resin (A) in the layer (X) is 100 parts by weight.
- the content of the epoxy compound (C) is less than 70 parts by weight, the antistatic property of the layer (X) may be deteriorated.
- adhesiveness with the printing layer of a layer (X) and a hard-coat layer may be inferior.
- content of the epoxy compound (C) in layer (X) refers to the total weight of the part originating in an epoxy compound (c) in layer (X).
- content of the epoxy compound (C) in layer (X) refers to the total weight of the part originating in an epoxy compound (c) in layer (X).
- the inclusion of the epoxy compound (C) is a total value of the weight of the uncrosslinked epoxy compound (c) and the weight of the portion derived from the epoxy compound (c) in the crosslinked structure, and the oxazoline in the crosslinked structure.
- the weight of a part derived from another compound such as the compound (e) or the carbodiimide compound (f) is not included in the content of the epoxy compound (C) here.
- the compound (d-1) having a polythiophene structure for example, a compound having a structure in which positions 3 and 4 of the thiophene ring are substituted can be used. Furthermore, a compound in which an oxygen atom is bonded to the 3rd and 4th carbon atoms of the thiophene ring can be preferably used. In the case where a hydrogen atom or a carbon atom is bonded directly to the carbon atom, it may be difficult to make the coating liquid aqueous.
- the compound (d-2) having an anion structure is an acidic polymer in a free acid state, and examples thereof include polymeric carboxylic acid, polymeric sulfonic acid, and polyvinyl sulfonic acid.
- the polymer carboxylic acid include polyacrylic acid, polymethacrylic acid, and polymaleic acid.
- the polymer sulfonic acid include polystyrene sulfonic acid, and polystyrene sulfonic acid is most preferable in terms of antistatic properties.
- the free acid may take the form of a partially neutralized salt.
- the compound (d-2) having an anionic structure can also be used in a form copolymerized with other copolymerizable monomers such as acrylic acid ester, methacrylic acid ester, and styrene.
- the proportion of the other monomer in the compound (d-2) having an anionic structure is preferably 20% by weight or less from the viewpoint of antistatic properties.
- the molecular weight of the polymeric carboxylic acid or polymeric sulfonic acid used as the compound (d-2) having an anionic structure is not particularly limited, but its weight average molecular weight is 1000 from the viewpoint of coating stability and antistatic properties. It is preferably 1 million or less and more preferably 5000 or more and 150,000 or less. As long as the characteristics of the invention are not impaired, alkali salts such as lithium salts and sodium salts, ammonium salts, and the like may be partially included. In the case of a salt in which the polyanion is neutralized, it is considered that it acts as a tomato. This is because polystyrene sulfonic acid and ammonium salt functioning as very strong acids are out of equilibrium on the acidic side due to the progress of the equilibrium reaction after neutralization.
- the compound (d-2) having an anion structure By adding the compound (d-2) having an anion structure at the time of polymerization of the compound (d-1) having a thiophene structure, the compound (d-1) having a polythiophene structure that is inherently insoluble in water is obtained. It can be easily dispersed in water or water-based. Furthermore, the function of an anion as an acid also functions as a polythiophene doping agent, leading to improved antistatic properties. Therefore, in the present invention, it is preferable from the viewpoint of antistatic properties to use the composition (d) comprising the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure.
- the compound (d-2) having an anion structure with respect to the compound (d-1) having a polythiophene structure is preferably present in an excessive amount in terms of solid content in terms of antistatic properties.
- the compound (d-2) having an anion structure is preferably 1 part by weight or more and 5 parts by weight or less, and more preferably 1 part by weight or more and 3 parts by weight or less with respect to 1 part by weight of the compound (d-1) having.
- composition (d) containing the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure are disclosed in, for example, JP-A-6-295016 and JP-A-7-292081. It can be produced by the method described in JP-A No. 1-313521, JP-A No. 2000-6324, Japanese Patent No. 4077675, European Patent No. EP602713, US Pat. No. 5,391,472, etc. Other methods may be used.
- the total content of the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure is within the above range, and the content of the isocyanate compound (B) and the content of the epoxy compound (C)
- the layer (X) can exhibit high transparency, adhesiveness, and antistatic properties. The reason for this will be described later.
- the layer (X) does not exhibit sufficient antistatic properties. Moreover, when it exceeds 30 weight part, layer (X) is inferior to wet heat adhesiveness with a printing layer or a hard-coat layer.
- the preferable range of the total content of the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure is the content of the acrylic urethane copolymer resin (A) in the layer (X). When it is 100 parts by weight, it is 15 parts by weight or more and 30 parts by weight or less.
- the content of the acrylic urethane copolymer resin (A) in the layer (X) is 100 parts by weight
- the content of the isocyanate compound (B) is 80 parts by weight or more and 110 parts by weight or less
- the epoxy compound (C) is contained.
- the amount is 60 to 90 parts by weight and the total content of the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure is 10 to 30 parts by weight
- the layer (X) can have a continuous phase structure as shown in FIG. As a result, high adhesion and antistatic properties can be imparted to the layer (X).
- the layer (X) can maintain excellent adhesion and antistatic properties even after the laminated polyester film is molded. The inventors consider the reason as follows.
- the layer (X) of the present invention comprises an acrylic urethane copolymer resin (A), an isocyanate compound (B), an epoxy compound (C), a compound (d-1) having a polythiophene structure, and a compound (d- 2).
- the acrylic urethane copolymer resin (A) and the isocyanate compound (B) are hydrophobic, it is considered to constitute a resin mixture called a mixture (A + B).
- the compound (d-2) having an anion structure works as a dopant agent of the compound (d-1) having a polythiophene structure, the compound (d-1) in the vicinity of the compound (d-1) having a polythiophene structure is electrically attracted.
- an assembly of the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure may be referred to as an assembly (D). Since this aggregate (D) and the epoxy compound (C) are hydrophilic, it is considered to constitute a resin mixture called a mixture (C + D). It is considered that the mixture (A + B) and the mixture (C + D) are phase-separated in the layer (X) because the solubility parameter values thereof are greatly different from each other. As a phase separation structure formed by such a mixture, it is considered that the structure described in FIG. 1, FIG. 2, and FIG.
- the layer (X) when the layer (X) has a continuous phase structure as shown in FIG. 2, the layer (X) can exhibit high adhesion and antistatic properties.
- the white portion is phase 1 (for example, mixture (A + B)
- the black portion is phase 2 (for example, mixture (C + D)).
- a mixture (A + B) composed of an acrylic urethane copolymer resin (A) and a resin (B) derived from an isocyanate compound is a mixture excellent in adhesiveness with a printed layer or a hard coat layer, and this is a layer (X).
- a layer (X) By being continuously distributed on the surface, when a force for peeling the printed layer or the hard coat layer is applied, the stress is dispersed without being concentrated locally. Therefore, the starting point of peeling hardly occurs, and the layer (X) exhibits sufficient adhesiveness. Therefore, the layer (X) has good adhesion to the printed layer and the hard coat layer.
- a mixture (C + D) comprising a resin (C) derived from an epoxy compound, a compound (d-1) having a polythiophene structure, and a compound (d-2) having an anion structure
- a resin (C) derived from an epoxy compound a compound (d-1) having a polythiophene structure
- a compound (d-2) having an anion structure Exists continuously (connected) on the surface of the layer (X), the layer (X) has good antistatic properties.
- the laminated polyester film can maintain the continuous phase structure even when it is molded. The reason is considered as follows.
- the mixture (C + D) contains a compound (d-1) having a polythiophene structure and a compound (d-2) having an anion structure.
- the mixture (C + D) becomes a rigid mixture.
- the mixture (A + B) is continuously arranged between the mixture (C + D) in the continuous phase separation structure, the mixture (A + B) works as a molding-following resin, and the continuous phase structure also during molding. Can be maintained. Therefore, even after the molding process, the same adhesiveness and antistatic property as before the molding process can be exhibited.
- the white portion is phase 1 (for example, mixture (A + B)
- the black portion is phase 2 (for example, mixture). (C + D)).
- the layer (X) has a sea-island structure in which the mixture (A + B) is agglomerated, there is a continuous mixture (C + D) that is disadvantageous for adhesion to the printed layer and the hard coat layer. Therefore, the print layer and the hard coat layer are continuously peeled off. Therefore, the layer (X) does not have sufficient adhesion.
- the mixture (C + D) since the mixture (C + D) has a continuous structure, the antistatic property is good.
- the case where the layer (X) has a sea-island structure as shown in FIG. 1 includes, for example, the following cases I to IV.
- the layer (X) has a composite dispersion structure in which the mixture (C + D) is agglomerated, the mixture (A + B) having excellent adhesion to the printed layer and the hard coat layer is obtained. It exists continuously at the interface of layer (X). Then, when the print layer is peeled off, the stress is dispersed without locally concentrating, so that the starting point of the peeling hardly occurs, and the layer (X) has sufficient adhesiveness. On the other hand, since the mixture (C + D) exists discontinuously, the antistatic property does not appear.
- the case where the layer (X) has a composite dispersion structure as shown in FIG. 3 includes, for example, the following VI to X.
- VI When the layer (X) does not contain the epoxy compound (C)
- VII When the content of the epoxy compound (C) is less than the above range
- VIII The compound (d-1) having a polythiophene structure and an anion When the compound (d-2) having a structure is not included
- IX When the content of the compound (d-1) having a polythiophene structure and the compound (d-2) having an anion structure is less than the above range
- X When the content of the isocyanate compound (B) exceeds the above range
- the layer (X) has a continuous phase structure, and the layer (X) can exhibit high adhesion and antistatic properties. Further, even after the laminated polyester film is molded, the layer (X) can maintain high adhesion and antistatic properties.
- an oxazoline compound (E) and a carbodiimide compound (F) in order to improve the adhesiveness in a high temperature and high humidity environment, it is preferable to use an oxazoline compound (E) and a carbodiimide compound (F), and further, the content of the oxazoline compound (E) in the layer (X)
- the content of the carbodiimide compound (F) is preferably 50 parts by weight or more and 80 parts by weight or less when the content of the acrylic urethane copolymer resin (A) in the layer (X) is 100 parts by weight. . By setting it as the said range, wet heat adhesiveness with the printing layer and hard-coat layer of layer (X) can be improved.
- the oxazoline compound (E) in the present invention is an oxazoline compound (e) described below, or an oxazoline compound (e) is an acrylic urethane copolymer resin (a), an isocyanate compound (b), a carbodiimide compound (f), or the like.
- an oxazoline compound (e) is an acrylic urethane copolymer resin (a), an isocyanate compound (b), a carbodiimide compound (f), or the like.
- a crosslinked structure it means a resin containing a structure derived from the oxazoline compound (e).
- the oxazoline compound (e) is not particularly limited as long as it has an oxazoline group as a functional group in the compound, but includes at least one monomer containing an oxazoline group, and at least one kind What consists of an oxazoline group containing copolymer obtained by copolymerizing other monomers is preferable.
- Examples of the monomer containing an oxazoline group include 2-vinyl-2-oxazoline, 2-vinyl-4-methyl-2-oxazoline, 2-vinyl-5-methyl-2-oxazoline, 2-isopropenyl-2-oxazoline, 2-Isopropenyl-4-methyl-2-oxazoline, 2-isopropenyl-5-ethyl-2-oxazoline, and the like can be used, and one or a mixture of two or more thereof can also be used. Of these, 2-isopropenyl-2-oxazoline is preferred because it is easily available industrially.
- the at least one other monomer used for the monomer containing the oxazoline group is not particularly limited as long as it is a monomer copolymerizable with the monomer containing the oxazoline group,
- acrylic acid esters or methacrylic acid esters such as methyl acrylate, methyl methacrylate, ethyl acrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, acrylic acid-2-ethylhexyl, methacrylic acid-2-ethylhexyl, Unsaturated carboxylic acids such as acrylic acid, methacrylic acid, itaconic acid and maleic acid, unsaturated nitriles such as acrylonitrile and methacrylonitrile, acrylamide, methacrylamide, N-methylolacrylamide, N-methylol Contains unsaturated amides such as chloramide, vinyl esters such as vinyl acetate and
- content of the oxazoline compound (E) in layer (X) refers to the sum total of the weight of the part originating in an oxazoline compound (e) in layer (X).
- a part of the oxazoline compound (e) is crosslinked with another compound such as an acrylic urethane copolymer resin (a), an isocyanate compound (b), an epoxy compound (c), or a carbodiimide compound (f) in the layer (X).
- the content of the oxazoline compound (E) means the weight of the uncrosslinked oxazoline compound (e) and the weight of the portion derived from the oxazoline compound (e) in the crosslinked structure. It is the total value of all of the cross-linked structures derived from another compound such as acrylic urethane copolymer resin (a), isocyanate compound (b), epoxy compound (c), carbodiimide compound (f). The weight is not included in the content of the oxazoline compound (E) here.
- the carbodiimide compound (F) in the present invention is the following carbodiimide compound (f), or the carbodiimide compound (f) is an acrylic urethane copolymer resin (a), an isocyanate compound (b), an oxazoline compound (e), or the like.
- the carbodiimide compound (f) is not particularly limited as long as it is a compound having one or more cyanamide groups in the molecule as a functional group or a tautomeric carbodiimide group in the compound. Absent.
- a polycarbodiimide compound having two or more in one molecule is particularly preferred.
- a polymer type carbodiimide compound having a plurality of carbodiimide groups is used at the terminal or side chain of a polymer such as polyester resin or acrylic resin, the flexibility and toughness of the layer (X) is preferably increased. be able to.
- a known technique can be applied to the production of the carbodiimide compound (f).
- a carbodiimide compound is obtained by polycondensation of a diisocyanate compound in the presence of a catalyst.
- the diisocyanate compound that is a starting material of the carbodiimide compound aromatic, aliphatic, and alicyclic diisocyanates can be used.
- Isophorone diisocyanate, dicyclohexyl diisocyanate and the like can be used.
- content of the carbodiimide compound (F) in layer (X) refers to the sum total of the weight of the part originating in the carbodiimide compound (f) in layer (X).
- a part of the carbodiimide compound (f) is crosslinked with another compound such as an acrylic urethane copolymer resin (a), an isocyanate compound (b), an epoxy compound (c), or an oxazoline compound (e) in the layer (X).
- the content of the carbodiimide compound (F) is the weight of the carbodiimide compound (f) that is not crosslinked and the weight of the portion derived from the carbodiimide compound (f) in the crosslinked structure.
- the laminated polyester film needs to be provided with a layer (X) on at least one side of a polyester film (base film) serving as a base material, and further, a layer (Y) is provided on the other side.
- a layer (Y) is provided on the other side.
- resin which comprises a layer (Y) For example, a polyester resin, an acrylic resin, a urethane resin, an epoxy resin, an amide resin, and the copolymer resin of these resins are mentioned. These resins can be used alone or in combination.
- the layer (Y) may be provided with the same layer as the layer (X). The following points can be mentioned as effects when the layer (X) is provided on one side of the polyester film and the layer (Y) is provided on the other side.
- the layer (Y) (or layer (X)) on the opposite side contains slippery particles.
- the handling property of the film after providing the hard coat layer can be improved, which is preferable.
- the molded article of the present invention is a molding process in which a molding member using a laminated polyester film is coated with a molding resin, or a molding member using a laminated polyester film is coated with a molding resin. It means a processed product obtained by applying.
- the molding resin here means a thermoplastic resin, for example, acrylic resin, polyphenylene oxide / polystyrene resin, polycarbonate resin, styrene copolymer resin, acrylonitrile / styrene / butadiene copolymer resin, polypropylene resin. Examples thereof include resins, polyethylene resins, polyamide resins, polyacetal resins, polyester resins, and the like. These may be single resins or compositions (resin alloys) mixed with other resins.
- additives for molding resins, additives as necessary, for example, heat stabilizers, oxidation stabilizers, weathering stabilizers, ultraviolet absorbers, organic lubricants, pigments, dyes, organic or inorganic fine particles, filling You may mix
- the part where the molding member made of the laminated polyester film covers the molding resin may be any part of one side of the molding resin, the whole side, part of both sides, or the whole side.
- the molding member using the laminated polyester film of the present invention means a member in which at least one layer among a printed layer, a hard coat layer, an adhesive layer, or a binder layer is provided on the laminated polyester film.
- the molding member using the laminated polyester film of the present invention includes a member provided with a scratch-resistant resin layer on at least one side of the laminated polyester film.
- molding member of the present invention examples include the following forms.
- This is a molding member in which a hard coat layer made of a UV curable resin is provided on at least one surface of a laminated polyester film, a print layer is provided on the other surface, and an adhesive layer is further provided on the print layer.
- the adhesive layer here includes a binder layer, an anchor coat layer, and an adhesive layer.
- the printing layer in the molding member of the present invention can be composed of a binder resin, a pigment or a dye.
- Binder resins include polyurethane resins, vinyl resins, polyamide resins, polyester resins, acrylic resins, polyvinyl acetal resins, polyester urethane resins, cellulose ester resins, alkyd resins, thermoplastic elastomer resins, etc.
- a resin capable of producing a flexible film is preferable.
- a coating method gravure printing, screen printing, offset printing, and the like are preferable, and screen printing is more preferable.
- an offset printing method or a gravure printing method is preferable.
- a coating method such as a gravure coating method, a roll coating method, or a comma coating method may be employed.
- a printing method in which a printing layer is entirely laminated on a film or a printing method in which a printing layer is partially laminated may be used.
- it is preferable to apply each 5 ⁇ m or more of the printing layer, and the ink for forming the printing layer is preferably a two-component curable ink. In this case, it becomes easy to suppress the ink flow at the time of injection molding, and it becomes possible to suppress discoloration due to a change in the ink film thickness.
- the hard coat layer in the molding member of the present invention can be composed of an acrylic resin, a urethane resin, a melamine resin, an organic silicate compound, a silicone resin, or a metal oxide.
- silicone resins and acrylic resins are preferable in terms of hardness and durability, and acrylic resins, particularly active ray curable acrylic resins, in terms of curability, flexibility, and productivity. Those consisting of are preferred.
- various additives can be further blended as necessary within the range where the effects of the present invention are not impaired.
- stabilizers such as antioxidants, light stabilizers, ultraviolet absorbers, surfactants, leveling agents, antistatic agents, and the like can be used.
- the thickness of the hard coat layer may be determined according to the use, but is usually preferably 0.1 to 30 ⁇ m, more preferably 1 to 15 ⁇ m. When the thickness of the hard coat layer is less than 0.1 ⁇ m, even if it is sufficiently cured, the surface hardness is not sufficient because it is too thin, and the surface tends to be damaged. On the other hand, when the thickness exceeds 30 ⁇ m Tends to crack in the cured film due to stress such as bending.
- the adhesive layer in the molding member of the present invention is preferably a heat-sensitive type or a pressure-sensitive type.
- the molding resin is an acrylic resin, an acrylic resin or the like is preferably used for the adhesive layer.
- the molding resin is polyphenylene oxide / polystyrene resin, polycarbonate resin, styrene copolymer resin, polystyrene resin, etc.
- the adhesive layer has an acrylic resin, polystyrene resin, polyamide having an affinity for these resins. A resin or the like is preferably used.
- the molding resin is a polypropylene resin
- a chlorinated polyolefin resin a chlorinated ethylene-vinyl acetate copolymer resin, a cyclized rubber, a coumarone indene resin, or the like is preferably used as the adhesive layer.
- the binder layer in the molding member of the present invention can be composed of a thermoplastic resin such as acrylic resin, polyester resin, polycarbonate resin, vinyl chloride vinyl acetate copolymer (vinyl acetate resin).
- a method for applying the binder layer gravure printing, screen printing, offset printing, and the like are preferable, and screen printing is more preferable.
- the thickness of the binder layer may be determined according to the application, but is usually preferably 1 ⁇ m or more. When the thickness of the binder layer is less than 1 ⁇ m, the adhesiveness of the molding resin may be insufficient.
- a known method can be used as a method for forming the adhesive layer, and examples thereof include a coating method such as a roll coating method, a gravure coating method, and a comma coating method, and a printing method such as a gravure printing method and a screen printing.
- a coating method such as a roll coating method, a gravure coating method, and a comma coating method
- a printing method such as a gravure printing method and a screen printing.
- the laminated polyester film of the present invention has excellent adhesiveness and antistatic properties even after being subjected to molding processing, it is suitably used for various molding processing applications.
- the forming method is not particularly limited, and examples thereof include various forming methods such as vacuum forming, vacuum pressure forming, plug assist vacuum pressure forming, in-mold forming, insert forming, cold forming, and press forming.
- the molding member provided with the scratch-resistant resin layer of the present invention is a molding member having a polyester film, layer (X), and scratch-resistant resin layer in that order, and at least one outermost layer is resistant to the molding. It is an abrasion resin layer.
- the scratch-resistant resin layer in the molding member of the present invention means a resin layer having a hardness of HB or higher. It is preferable to form such an abrasion-resistant resin layer using a thermosetting resin and / or an actinic radiation curable resin.
- the heat means heat energy given by a heating method such as hot air jet, infrared ray, microwave, induction heating or the like.
- the actinic rays used herein mean ultraviolet rays (UV), electron beams, and radiation ( ⁇ rays, ⁇ rays, ⁇ rays, etc.), and practically, ultraviolet rays are simple and preferable.
- Examples of the type of ultraviolet lamp used when irradiating with ultraviolet rays include a discharge lamp method, a flash method, a laser method, and an electrodeless lamp method.
- the discharge lamp type to ultraviolet cured using a high pressure mercury lamp is, illuminance intensity of ultraviolet rays 50 mW / cm 2 or more 3000 mW / cm 2 or less, preferably 100 mW / cm 2 or more 2000 mW / cm 2 or less, more preferably 200 mW / cm it is preferable to perform ultraviolet radiation under conditions such that 2 or more 1500 mW / cm 2 or less.
- the ultraviolet illuminance intensity is the irradiation intensity received per unit area, and can be adjusted by the lamp output, the emission spectrum efficiency, the diameter of the light emitting bulb, the design of the reflector, and the light source distance to the irradiated object.
- Examples of the resin used for the scratch-resistant resin layer include acrylic resins, melamine resins, silicone resins, urethane resins, and the like.
- the acrylic resin a resin obtained by copolymerizing a polyfunctional acrylate having 3 (more preferably 4, more preferably 5) or more (meth) acryloyloxy groups or a modified monomer thereof in one molecule is used. Can do.
- the upper limit of the (meth) acryloyloxy group contained in one molecule in the polyfunctional acrylate or its modified monomer is preferably 10 or less (more preferably 9 or less, and still more preferably 8 or less). This is because if the polyfunctional acrylate or its modified monomer has more than 10 (meth) acryloyloxy groups in one molecule, the shrinkage rate during curing is large, and the scratch-resistant resin layer may curl.
- polyfunctional acrylates having three or more (meth) acryloyloxy groups in one molecule or modified monomers thereof include pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, dipenta Erythritol tri (meth) acrylate, dipentaerythritol penta (meth) acrylate, dipentaerythritol hexa (meth) acrylate, trimethylolpropane tri (meth) acrylate, pentaerythritol triacrylate hexanemethylene diisocyanate urethane polymer, and the like can be used.
- polyfunctional acrylic monomers include Mitsubishi Rayon Co., Ltd. (trade name “Diabeam” series, etc.), Shin-Nakamura Co., Ltd. (trade name “NK ester” series, etc.), Dainippon Ink & Chemicals, Inc. (Product name “UNIDIC”, etc.), Toagosei Chemical Industry Co., Ltd. (“Aronix” series, etc.), Nippon Oil & Fats Co., Ltd. (“Blemmer” series, etc.), Nippon Kayaku Co., Ltd .; (“Series etc.”), Kyoeisha Chemical Co., Ltd. (trade name "light ester” series etc.), etc. can be mentioned, and these products can be used.
- Acrylic resins also include polyester acrylates composed of polyfunctional acrylates or their modified monomers and polyester polyol oligomer copolymers, and urethane acrylates composed of polyfunctional acrylates or their modified monomers and urethane oligomer copolymers. It is.
- the acrylic monomer of the present invention preferably contains a polymerization initiator, a curing agent, and a catalyst in addition to the above-mentioned polyfunctional acrylate. Further, a plurality of polymerization initiators may be used at the same time or may be used alone. Furthermore, you may use together an acidic catalyst, a thermal-polymerization initiator, and a photoinitiator.
- Examples of the photopolymerization initiator include, but are not limited to, alkylphenone compounds, sulfur-containing compounds, acylphosphine oxide compounds, and amine compounds, but from the viewpoint of curability, alkylphenone compounds.
- Compounds are preferred, and specific examples include 2.2-dimethoxy-1.2-diphenylethane-1-one, 2-methyl-1- (4-methylthiophenyl) -2-morpholinopropan-1-one, -Benzyl-2-dimethylamino-1- (4-phenyl) -1-butane, 2- (dimethylamino) -2-[(4-methylphenyl) methyl] -1- (4-phenyl) -1-butane 2-benzyl-2-dimethylamino-1- (4-morpholinophenyl) -1-butane, 2- (dimethylamino) -2-[(4-methylphenyl) methyl ] -1- [4- (4-morpholinyl) phen
- the content of the photopolymerization initiator is 0.1 to 5 parts by weight, particularly 0. It is preferably 3 to 3 parts by weight. If the content of the photopolymerization initiator is too small, curing cannot be promoted smoothly, and if it is too large, yellowing proceeds and the appearance may be impaired.
- acidic catalysts include aqueous hydrochloric acid, formic acid, acetic acid and the like.
- thermal polymerization initiator include peroxides and azo compounds.
- Melamine resins include melamine, methylolated melamine derivatives obtained by condensing melamine and formaldehyde, compounds partially or completely etherified by reacting methylolated melamine with lower alcohol, and mixtures thereof. Can do.
- the melamine-based resin may be either a monomer or a condensate composed of a dimer or higher polymer, or a mixture thereof.
- As the lower alcohol used for etherification methyl alcohol, ethyl alcohol, isopropyl alcohol, n-butanol, isobutanol and the like can be used.
- the functional group has an imino group, a methylol group, or an alkoxymethyl group such as a methoxymethyl group or a butoxymethyl group in one molecule, and an imino group type methylated melamine resin, a methylol group type melamine resin, or a methylol group type.
- imino group type methylated melamine resin examples include methylated melamine resins and fully alkyl type methylated melamine resins.
- the scratch-resistant resin layer preferably has a polycaprolactone component (K) and a urethane component (N), and further has a polysiloxane component (L) and / or a polydimethylsiloxane component (M).
- K polycaprolactone component
- N urethane component
- M polydimethylsiloxane component
- Having a polycaprolactone component (K) indicates that the resin constituting the scratch-resistant resin layer has a structure represented by the following chemical formula (Chemical Formula 1).
- the polycaprolactone component (K) As a preferred embodiment of the polycaprolactone component (K), if the resin (k) having a polycaprolactone skeleton and a hydroxyl group as a raw material and the isocyanate compound (n) are cross-linked, the polycaprolactone component is added to the scratch-resistant resin layer. (K) and the urethane component (N) can be introduced, and it is also preferable from the viewpoint of scratch resistance of the scratch-resistant resin layer.
- Examples of the resin (k) having a polycaprolactone skeleton and a hydroxyl group include bifunctional polycaprolactone diols exemplified in the following (Chemical Formula 2), trifunctional polycaprolactone triols exemplified in the following (Chemical Formula 3), and other tetrafunctional poly Examples include caprolactone polyol.
- the content of the polycaprolactone component (K) in the scratch-resistant resin layer is preferably 5 to 50 parts by weight when the scratch-resistant resin layer is 100 parts by weight.
- the amount is less than 5 parts by weight, the scratch resistance of the scratch-resistant resin layer may be inferior.
- the amount exceeds 50 parts by weight, the transparency may deteriorate over time.
- urethane component (N) indicates that the resin constituting the scratch-resistant resin layer has a structure represented by the following chemical formula (Formula 4).
- the scratch-resistant resin layer As a preferred embodiment of the urethane component (N), if the isocyanate compound (n) is used as a raw material and any one of the resins described in (I) to (IV) below is crosslinked, the scratch-resistant resin layer
- the urethane component (N) can be introduced into the resin, and it is also preferable from the viewpoint of scratch resistance of the scratch-resistant resin layer.
- Examples of the isocyanate compound (n) include polyisocyanates such as methylene bis-4-cyclohexyl isocyanate, isocyanurate of hexamethylene isocyanate, and biuret of hexamethylene isocyanate.
- the content of the urethane component (N) in the scratch-resistant resin layer is preferably 10 to 40 parts by weight when the scratch-resistant resin layer is 100 parts by weight. Outside the above range, the scratch resistance may be inferior, which is not preferable.
- the polysiloxane component (L) As a preferred embodiment of the polysiloxane component (L), if the resin (l) having a polysiloxane skeleton and the isocyanate compound (n) are used as raw materials and they are cross-linked, the polysiloxane component (L ) And urethane component (N) can be introduced, and it is also preferable from the viewpoint of scratch resistance of the scratch-resistant resin layer.
- Examples of the resin (l) having a polysiloxane skeleton herein include tetramethoxysilane, tetraethoxysilane, methyltrimethoxysilane, methyltoxioxysilane, dimethyldimethoxysilane, dimethyldiethoxysilane, and ⁇ -glycidoxypropyl.
- the polydimethylsiloxane component (M) As a preferred embodiment of the polydimethylsiloxane component (M), if a resin (m) having a polydimethylsiloxane skeleton and an isocyanate compound (n) are used as raw materials and they are crosslinked, the polydimethylsiloxane is applied to the scratch-resistant resin layer.
- the component (M) and the urethane component (N) can be inserted, and are also preferable from the viewpoint of scratch resistance of the scratch-resistant resin layer.
- the resin (m) having a polydimethylsiloxane skeleton can be obtained, for example, by copolymerizing a methacrylic ester of polydimethylsiloxane (the chemical formula 7 below) and a vinyl monomer.
- the vinyl monomers used here are methyl acrylate, ethyl acrylate, n-butyl acrylate, isobutyl acrylate, octyl acrylate, cyclohexyl acrylate, tetrahydrofurfuryl acrylate, methyl methacrylate, ethyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, 2-ethylhexyl.
- vinyl monomers having a hydroxyl group such as 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, and allyl alcohol can be used, and Cardura E, acrylic acid, and methacrylic acid can be used.
- a reaction product with itaconic acid, crotonic acid, maleic acid or the like can also be used.
- a polymer (m) having a polydimethylsiloxane skeleton can be obtained by copolymerization with the above-described vinyl monomer using a polymer azo radical polymerization initiator as exemplified in the following (Chemical Formula 8). .
- the resin (m) having a polydimethylsiloxane skeleton it is preferable that a monomer having a hydroxyl group such as 2-hydroxyethyl acrylate is copolymerized as the resin (m) having a polydimethylsiloxane skeleton.
- the resin (m) having a polydimethylsiloxane skeleton reacts with the isocyanate compound (n) to form a urethane bond, thereby improving the scratch resistance of the scratch-resistant resin layer.
- the content of the polydimethylsiloxane component (M) in the scratch-resistant resin layer is preferably 5 to 80 parts by weight when the scratch-resistant resin layer is 100 parts by weight.
- the amount is less than 5 parts by weight, the scratch resistance of the scratch-resistant resin layer may be inferior, and when it exceeds 80 parts by weight, the transparency may deteriorate over time.
- a resin having both a polysiloxane component (L) and a polydimethylsiloxane component (M) it is also possible to use a resin (l + m) having a polysiloxane skeleton and polydimethyl siloxane skeleton.
- Polysiloxane backbone and polydimethyl siloxane skeleton and a resin having a (l + m) means a resin obtained by copolymerizing a resin (m) having a dimethylsiloxane skeleton resin (l) having a polysiloxane skeleton.
- the thickness of the scratch-resistant resin layer provided on one side of the laminated polyester film is preferably 10 to 30 ⁇ m. More preferably, it is 15 to 25 ⁇ m.
- the thickness within the range of 10 to 30 ⁇ m, the surface specific resistance on the surface of the scratch-resistant resin layer can be made less than 10 13 ⁇ / ⁇ while maintaining the scratch resistance, and dust adhesion to the molding member is prevented.
- the designability of the molding member and the molded body using the molding member can be improved.
- a model as shown in FIG. 5 is considered as the reason why the surface specific resistance is lowered and the antistatic property is exhibited even when the scratch-resistant resin layer is laminated as thick as 10 to 30 ⁇ m.
- the scratch-resistant resin layer is not a perfect insulator but a current-carrying member having a large resistance. Therefore, when a voltage is applied to the surface of the scratch-resistant resin layer, electricity flows into the scratch-resistant resin layer, leading to the layer (X) below it. Then, since the layer (X) includes a conductive resin and forms a continuous phase structure, electricity can flow efficiently. Thereafter, it is presumed that the surface resistivity of the scratch-resistant resin layer is lowered as a result of electricity flowing again into the scratch-resistant resin layer.
- a conductive resin layer (X) in the case of using the continuous-phase structure compound that does not form a high surface resistivity of the scratch resin layer may stacked thick scratch resin layer or Thus, it has been confirmed that antistatic properties are not exhibited.
- the laminated polyester film contains acrylic urethane copolymer resin (A), isocyanate compound (B), epoxy compound (C) compound (d-1) having a polythiophene structure, and compound (d-2) having an anion structure. It can be prepared by laminating the layer (X) on the polyester film using the water-based coating agent (x).
- Aqueous coating agent containing acrylic urethane copolymer resin (A), isocyanate compound (B), epoxy compound (C) compound (d-1) having a polythiophene structure and compound (d-2) having an anion structure ( x) may contain a trace amount of a water-soluble organic solvent from the viewpoint of improving the storage stability and handling properties of the coating composition.
- Water-soluble organic solvents include water-soluble alcohols such as methyl alcohol, ethyl alcohol and isopropyl alcohol, water-soluble ketones such as acetone, and water-soluble ethers such as methyl cellosolve, cellosolve, butyl cellosolve, carbitol and butyl carbitol. Is mentioned. These can be used alone or in combination.
- the content of the water-soluble organic solvent is preferably 10% by weight or less, more preferably 7% by weight or less, still more preferably 5% or less, based on the total amount of the coating agent (x), from the viewpoint of explosion-proof properties and environmental pollution. % By weight or less.
- a layer (X) comprising an acrylic urethane copolymer resin (A), an isocyanate compound (B), an epoxy compound (C), a compound (d-1) having a polythiophene structure, and a compound (d-2) having an anion structure
- a method for obtaining a laminated polyester film having a method of laminating the layer (X) on the polyester film, and the like can be mentioned.
- a method of coating (coating) the coating agent (x) constituting the layer (X) on the polyester film and laminating is preferable.
- the coating method is a method in which coating is performed in a process separate from the polyester film manufacturing process, so-called off-line coating method, and coating is performed during the polyester film manufacturing process, and layer (X) is laminated on the polyester film.
- the solvent of the coating liquid used in that case is preferably an aqueous system from the viewpoint of environmental pollution and explosion-proof,
- the most preferred embodiment is to use water.
- the melt-extruded polyester film before crystal orientation is stretched about 2.5 to 5 times in the longitudinal direction, and the coating agent (x) constituting the layer (X) is continuously applied to the uniaxially stretched film. .
- the coated film is dried while passing through a zone heated stepwise, and stretched about 2.5 to 5 times in the width direction.
- it can be obtained by a method (in-line coating method) in which the crystal orientation is continuously led to a heating zone of 150 to 250 ° C.
- the present invention by performing heat treatment in a heating zone of 150 to 250 ° C., not only the crystal orientation of the substrate film is completed, but also the continuous phase structure of the layer (X) that is an unstable structure can be fixed. This is preferable because it is possible.
- a coating method of a coating material (water-based coating agent) using water as a solvent for example, a reverse coating method, a spray coating method, a bar coating method, a gravure coating method, a rod coating method, a die coating method, or the like can be used.
- the surface of the polyester film as the base material Before applying the water-based coating agent (x), it is preferable to subject the surface of the polyester film as the base material to corona discharge treatment. This is because the adhesion between the polyester film and the layer (X) is improved, and the applicability is also improved.
- crosslinking agents antioxidants, heat stabilizers, weathering stabilizers, ultraviolet absorbers, easy lubricants organic, pigments, dyes, organic or inorganic Fine particles, fillers, surfactants and the like may be blended.
- This unstretched polyester film is stretched 2.5 to 5 times in the longitudinal direction between rolls heated to a temperature of 70 to 100 ° C.
- One side or both sides of the polyester film thus obtained is subjected to corona discharge treatment in air, and the aqueous coating composition (x) constituting the layer (X) is applied to the treated surface.
- the coated laminated polyester film is gripped with a clip, guided to a drying zone, dried at a temperature of 70 to 150 ° C., and continuously 2.5 to 5 in the width direction in a heating zone at a temperature of 70 to 150 ° C.
- the film is stretched twice and subsequently subjected to heat treatment in a heating zone at a temperature of 200 to 240 ° C.
- the polyester film raw material may be added to the polyester film raw material in order to give the laminated polyester film functions such as runnability (slidability), weather resistance, and heat resistance.
- additives such as a heat stabilizer, an oxidation stabilizer, a weather stabilizer, an ultraviolet absorber, and a lubricant can be used.
- the coating agent used in this case is preferably an aqueous coating agent from the viewpoint of environmental pollution and explosion-proof properties.
- a printing ink layer is applied to one surface of the laminated polyester film obtained by the above-described method for producing a laminated polyester film so as to have a layer thickness of 5 ⁇ m to obtain a molding member.
- a hard coat layer made of a curable resin is applied to the surface of the molding member on which the printing ink layer is not provided so that the layer thickness is 2 ⁇ m.
- the coating method include a bar coating method and a gravure coating method.
- the molding member composed of the laminated polyester film, the printing ink layer, and the hard coat layer is pre-molded using vacuum molding as necessary.
- the molding member thus obtained or the pre-molded molding member is coated and integrated with a molding resin by in-mold molding or insert molding to obtain a molded body.
- the gate structure may be any of a gate structure such as a pin gate, a side gate, a film gate, a tunnel gate, and a disk gate, but a side gate and a film gate are particularly preferable.
- the scratch-resistant resin layer After applying the scratch-resistant resin layer to a layer thickness of 25 ⁇ m on the layer (X) laminated surface of the laminated polyester film obtained by the above-described method for producing a laminated polyester film, and drying at 60 ° C. for 1 hour, An aging treatment is performed at 25 ° C. for 7 days to obtain a molding member provided with a scratch-resistant resin layer.
- a printing ink layer is applied to the surface of the molding member on which the scratch-resistant resin layer is not provided so that the layer thickness is 5 ⁇ m.
- the coating method include a bar coating method and a gravure coating method.
- a molding member composed of the laminated polyester film, the scratch-resistant resin layer, and the printing ink layer is pre-molded using vacuum molding as necessary.
- the gate structure may be any of a gate structure such as a pin gate, a side gate, a film gate, a tunnel gate, and a disk gate, but a side gate and a film gate are particularly preferable.
- Antistatic property was evaluated by surface specific resistance.
- the surface specific resistance was measured by applying the laminated polyester film in a normal state (temperature 23 ° C., relative humidity 65%) for 24 hours, and then using a digital ultrahigh resistance / microammeter (R8340A manufactured by Advantest) under the atmosphere. The surface specific resistance value after application for 10 seconds was determined.
- the measurement surface is the layer (X) lamination surface of the laminated polyester film. The unit is ⁇ / ⁇ . If the surface resistivity is 9 ⁇ 10 11 ⁇ / ⁇ or less, it is at a level that causes no problem in practice, and if the surface specific resistance is 5 ⁇ 10 10 ⁇ / ⁇ or less, excellent antistatic properties are exhibited.
- a sample for measurement was obtained by cutting into a rectangle having a length of 200 mm and a width of 100 mm in the film width direction. Next, using a pantograph film stretcher, uniaxially stretching the sample for measurement in the minor axis direction (width direction) at a temperature of 100 ° C. and a speed of 10 mm / sec. A film was prepared.
- the laminated polyester film After molding, the laminated polyester film is allowed to stand in a normal state (temperature 23 ° C., relative humidity 65%) for 24 hours, and then in that atmosphere, using a digital ultrahigh resistance / microammeter (advantest R8340A) at an applied voltage of 100 V for 10 seconds.
- the surface specific resistance value after application was determined.
- the measurement surface is the layer (X) lamination surface of the laminated polyester film after molding.
- the unit is ⁇ / ⁇ . If the surface resistivity is 5 ⁇ 10 12 ⁇ / ⁇ or less, it is at a level that causes no problem in practice, and if it has 1 ⁇ 10 11 ⁇ / ⁇ or less, excellent antistatic properties are exhibited.
- thermosetting ink in which ink, solvent, and curing agent are mixed in the following ratio on a laminated polyester film is cured.
- the film was uniformly applied so that the subsequent film thickness was about 5 ⁇ m.
- Ink INQ screen ink (971) manufactured by Teikoku Ink Manufacturing Co., Ltd .: 100 parts by weight
- the laminated polyester film coated with the thermosetting ink was dried in a hot air oven at 90 ° C. for 60 minutes to cure the thermosetting ink, thereby obtaining an ink laminated polyester film.
- the integrated irradiation intensity is 300 mJ / cm with a condensing high-pressure mercury lamp (H03-L31 manufactured by Eye Graphics Co., Ltd.) having an irradiation intensity of 120 W / cm set at a height of 9 cm from the surface of the layer (X).
- the hard coat laminated polyester film in which the hard coat layer was laminated on the laminated polyester film was obtained by irradiating with ultraviolet rays so as to be 2 and curing.
- a hard coat laminated polyester film was obtained in the same manner as in (5-1).
- a sample for measurement was obtained by cutting into a rectangular shape having a length of 200 mm and a width of 100 mm in the width direction of the hard coat laminated polyester film.
- a laminated polyester film was produced.
- the obtained post-molded hard coat laminated polyester film was evaluated for adhesion in the same manner as in (5-1), and evaluated in four stages.
- C is a practically problematic level
- B is a practical level
- S and A are good.
- ⁇ haze The haze value of the laminated polyester film is measured by the same method as (1), and the haze before heating is measured. After that, the laminated polyester film was fixed to a metal frame on four sides and placed on a hot air oven “HIGH-TEMP-OVEN PHH-200” manufactured by Espec Co., Ltd. set at 140 ° C. (air flow gauge “7”). The fixed sample was put up against the floor in the hot air oven and heated for 1 hour.
- the surface of the laminated polyester film opposite to the layer (X) is wiped with a non-woven fabric containing acetone (manufactured by Ozu Sangyo Co., Ltd., Hyze Gauze NT-4) and rinsed with acetone.
- acetone manufactured by Ozu Sangyo Co., Ltd., Hyze Gauze NT-4
- the haze value of the sample was measured by the same method as (1), and the haze value after heating was measured. The value obtained by subtracting the haze before heating from the haze value after heating obtained here was taken as the ⁇ haze value.
- the F-100 value of the sample for longitudinal direction measurement and the sample for width direction measurement was determined by the following method. -The distance between the initial tensile chucks is 50 mm, and the tensile speed is 300 mm / min. -A tensile test shall be performed in the length direction of the sample. -For measurement, set the sample in a constant temperature layer set to 150 ° C. in advance, and perform a tensile test after preheating for 90 seconds.
- a scratch-resistant resin layer-laminated polyester film was obtained by the same method as (13-1).
- the obtained scratch-resistant resin layer-laminated polyester film was left in a constant temperature and humidity chamber at a temperature of 65 ° C. and a relative humidity of 95% for 72 hours to obtain a scratch-resistant resin layer-laminated sample for a wet heat adhesion test.
- the obtained wet heat adhesion test and scratch-resistant resin layer laminated sample were evaluated for adhesion in the same manner as in (13-1), and evaluated in four stages.
- C is a practically problematic level
- B is a practical level
- S and A are good.
- the image is subjected to two gradation processing, and the cross-sectional area parallel to the substrate and The area of the black part in the cross section is measured every 1 nm in the thickness direction of the layer (X), and the area ratio of the black part in each cross section is calculated. Then, a standard deviation is calculated about the measured value of the area ratio of the black part obtained at intervals of 1 nm in the thickness direction.
- the cross section parallel to the substrate is a cross section parallel to the XY plane in FIG. 6, and the thickness direction means a direction parallel to the Z axis.
- the staining method is the same as the cross-sectional observation of the layer (X) using a transmission electron microscope (TEM), even in the three-dimensional reconstruction processing image, the black portion is phase 2 (for example, the mixture (C + D )).
- Measurement device Field emission electron microscope (JEOL JEM2100F) Image software: Digital Micrograph (manufactured by Gatan Inc.) ⁇ Measurement conditions: Accelerating voltage 200kV ⁇ Magnification: 20,000 times ⁇ Measurement system: Marker method ⁇ Inclination angle: + 65 ° to -66 ° ⁇ Reconstruction resolution: 0.54nm / pixel
- Reference examples also show an acrylic urethane copolymer resin, a composition comprising a compound having a polythiophene structure and a compound having an anion structure, and a method for synthesizing a polystyrene sulfonate ammonium salt.
- composition (d-3) comprising a compound having a polythiophene structure and a compound having an anion structure 20.8 parts by weight of polystyrene sulfonic acid which is a compound having an anion structure
- aqueous solution containing 1887 parts by weight 49 parts by weight of a 1% by weight iron (III) sulfate aqueous solution, 8.8 parts by weight of 3,4-ethylenedioxythiophene, which is a compound having a thiophene structure, and 10.9% by weight 117 parts by weight of aqueous peroxodisulfuric acid solution was added. The mixture was stirred at 18 ° C. for 23 hours.
- a cation exchange resin 154 parts by weight of a cation exchange resin and 232 parts by weight of an anion exchange resin were added to this mixture, and the mixture was stirred for 2 hours. Then, the ion exchange resin was filtered off to obtain poly (3,4-ethylenedioxythiophene).
- an aqueous dispersion of a composition (d-3) consisting of polystyrene sulfonic acid is 4/6.
- the solid concentration of the aqueous dispersion of the composition (d-3) comprising the compound having a polythiophene structure and the compound having an anion structure is 1.3% by weight.
- Reference Example 3 Preparation of a composition (d-4) comprising a compound having a polythiophene structure and a compound having an anion structure Reference Example 2 except that the addition amount of polystyrene sulfonic acid was changed to 9.0 parts by weight
- an aqueous dispersion of a composition (d-4) composed of poly (3,4-ethylenedioxythiophene) and polystyrenesulfonic acid was obtained.
- the weight ratio of the compound having a polythiophene structure to the compound having an anion structure is 5/5.
- the solid content concentration of the aqueous dispersion of the composition (d-4) comprising the compound having a polythiophene structure and the compound having an anion structure is 1.3% by weight.
- the solution 3 was transferred to the reactor, and the solution 4 was continuously added dropwise to the solution 1 over 4 hours while maintaining the temperature of the solution in the reactor at 85 ° C. After completion of the dropwise addition, the mixture was further stirred for 3 hours and then cooled to 25 degrees to obtain an aqueous polystyrenesulfonic acid ammonium salt (J) dispersion.
- the solid content concentration of the obtained polystyrene sulfonate ammonium salt (J) aqueous dispersion is 10% by weight.
- the obtained resin (l) solution having a polysiloxane skeleton has a solid content concentration of 50% by weight.
- Example 1 Using polyethylene terephthalate (hereinafter referred to as resin P1) and a copolymerized polyethylene terephthalate resin (hereinafter referred to as resin Q1) obtained by copolymerizing 30 mole parts of cyclohexanedimethanol with respect to 100 mole parts of glycol resin, each was dried and then a separate extruder. Supplied to. Resin P1 and Resin Q1 are each melted at 280 ° C. by an extruder, and after passing through a gear pump and a filter, are merged so as to be alternately stacked in a 801-layer feed block at a discharge ratio of 1.1 / 1. I let you.
- resin P1 polyethylene terephthalate
- resin Q1 copolymerized polyethylene terephthalate resin
- the obtained laminate was composed of 401 layers of resin P1 and 400 layers of resin Q1, and was alternately laminated in the thickness direction. Moreover, both surface layer parts were made to become resin P1.
- the laminated body composed of a total of 801 layers thus obtained was supplied to a multi-manifold die to obtain a multilayer laminated sheet. After forming into a sheet shape, it was rapidly cooled and solidified on a casting drum maintained at a surface temperature of 25 ° C. by electrostatic application.
- the obtained cast film was heated with a roll group set at 75 ° C., and then stretched 3.3 times in the longitudinal direction while rapidly heating from both sides of the film with a radiation heater between 100 mm in the stretching section length. Cooled down. Subsequently, the uniaxially stretched film was subjected to corona discharge treatment in air, and then an aqueous coating agent (x-1) mixed with the following composition was applied to the corona discharge treatment surface.
- Water-based paint (x-1) composition Aqueous dispersion of acrylic urethane copolymer resin (a-1): “Sannaron” WG-658 (solid content concentration 30% by weight) manufactured by Shannan Synthetic Chemical Co., Ltd. -Aqueous dispersion of isocyanate compound (b): “Elastolon” E-37 (solid content concentration: 28% by weight) manufactured by Daiichi Kogyo Seiyaku Co., Ltd.
- the concentration was adjusted by mixing (G) such that the solid content concentration of the aqueous coating material (x-1) was 3% by weight.
- Table 1 shows the weight composition of each aqueous dispersion in the aqueous coating material (x-1) at this time.
- the uniaxially stretched film coated with the aqueous coating agent (x-1) was guided to a tenter, preheated with hot air at 100 ° C., and then stretched 3.5 times in the width direction at a temperature of 110 ° C.
- the stretched film is directly heat-treated with hot air at 230 ° C. in a tenter and subsequently subjected to a relaxation treatment of 5% in the width direction at the same temperature to obtain a laminated polyester film in which the layer (X) is laminated. It was.
- the thickness of this laminated polyester film was 100 ⁇ m.
- the weight ratio of each resin and compound in the layer (X) of the obtained laminated polyester film is as shown in Table 2. Table 2 shows the properties of the obtained laminated polyester film.
- Table 2 shows the ratio of the acrylic urethane copolymer resin (A), the isocyanate compound (B), the epoxy compound (C), the compound (d-1) having a polythiophene structure, and the compound (d-2) having an anion structure.
- a laminated polyester film was obtained in the same manner as in Example 1 except that it was used under the conditions described.
- Table 1 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used.
- the weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 2.
- Table 2 shows the properties of the obtained laminated polyester film. (Note that in Table 1, the coating agent x-2 was used in Example 2, the coating agent x-3 was used in Example 3, and the following examples were also the same.)
- Example 17 A laminated polyester film was obtained in the same manner as in Example 16 except that the aqueous dispersion of acrylic urethane copolymer resin (a-2) was used instead of the aqueous dispersion of acrylic urethane copolymer resin (a-1). .
- Table 1 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 2.
- Table 2 shows the properties of the obtained laminated polyester film.
- Example 18 A composition (d-4) comprising a compound having a polythiophene structure and a compound having an anion structure instead of an aqueous dispersion of the composition (d-3) comprising a compound having a polythiophene structure and a compound having an anion structure
- Table 1 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 2.
- Table 2 shows the properties of the obtained laminated polyester film.
- Table 2 shows the ratio of the acrylic urethane copolymer resin (A), the isocyanate compound (B), the epoxy compound (C), the compound (d-1) having a polythiophene structure, and the compound (d-2) having an anion structure.
- a laminated polyester film was obtained in the same manner as in Example 1 except that it was used under the conditions described.
- Table 1 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used.
- the weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 2.
- Table 2 shows the properties of the obtained laminated polyester film.
- Example 34 A laminated polyester film was obtained in the same manner as in Example 33 except that the water-based coating agent (x-34) mixed with the following composition was used.
- the weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 3.
- Table 3 shows the characteristics of the obtained laminated polyester film.
- Table 4 shows the antistatic property after the hard coat layer is laminated.
- Water-based coating agent (x-34) composition Aqueous dispersion of acrylic urethane copolymer resin (a-1): “Sannaron” WG-658 (solid content concentration 30% by weight) manufactured by Shannan Synthetic Chemical Co., Ltd. -Aqueous dispersion of isocyanate compound (b): “Elastolon” E-37 (solid content concentration: 28% by weight) manufactured by Daiichi Kogyo Seiyaku Co., Ltd.
- Example 35 A laminated polyester film was obtained in the same manner as in Example 34 except that the aqueous dispersion of acrylic urethane copolymer resin (a-2) was used instead of the aqueous dispersion of acrylic urethane copolymer resin (a-1). .
- Table 5 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 3.
- Table 3 shows the characteristics of the obtained laminated polyester film.
- Table 4 shows the antistatic properties after the hard coat layer is laminated.
- Example 36 Acrylic urethane copolymer resin (A), isocyanate compound (B), epoxy compound (C), compound (d-1) having a polythiophene structure and compound (d-2) having an anion structure, oxazoline compound (E), A laminated polyester film was obtained in the same manner as in Example 34 except that the ratio of the carbodiimide compound (F) was used under the conditions described in Table 3.
- Table 5 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 3.
- Table 3 shows the characteristics of the obtained laminated polyester film.
- Table 4 shows the antistatic properties after the hard coat layer is laminated.
- Example 43 A laminated polyester film was obtained in the same manner as in Example 42 except that the water-based coating agent (x-43) mixed with the following composition was used.
- the weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 3.
- Table 3 shows the characteristics of the obtained laminated polyester film.
- Table 4 shows the antistatic property after the hard coat layer is laminated.
- composition of water-based coating agent (x-43) Aqueous dispersion of acrylic urethane copolymer resin (a-1): “Sannaron” WG-658 (solid content concentration 30% by weight) manufactured by Shannan Synthetic Chemical Co., Ltd. -Aqueous dispersion of isocyanate compound (b): “Elastolon” E-37 (solid content concentration: 28% by weight) manufactured by Daiichi Kogyo Seiyaku Co., Ltd.
- Example 44 In Example 43, except that a fluorinated surfactant (i-2: “Plus Coat” RY-2 manufactured by Kyoyo Chemical Co., Ltd.) was used instead of the acetylenic diol surfactant (i-1).
- a laminated polyester film was obtained in the same manner as in Example 43.
- Table 5 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used.
- Table 3 shows the characteristics of the obtained laminated polyester film.
- Table 4 shows the antistatic property after the hard coat layer is laminated.
- Example 45 In Example 16, resin P1 was used instead of resin Q1. Other conditions were the same as in Example 16.
- Table 5 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used.
- the weight ratio of each resin and compound in the layer (X) of the obtained laminated polyester film is as shown in Table 3.
- Table 3 shows the characteristics of the obtained laminated polyester film.
- the obtained laminated polyester film had an F-100 value higher than the preferred range, and the film was broken during the molding process, so that the antistatic property and adhesion evaluation after molding could not be performed.
- Example 46 In Example 34, resin P1 was used instead of resin Q1. Other conditions were the same as in Example 34.
- Table 5 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the layer (X) of the obtained laminated polyester film is as shown in Table 3.
- Table 3 shows the characteristics of the obtained laminated polyester film. The obtained laminated polyester film had an F-100 value higher than the preferred range, and the film was broken during the molding process, so that the antistatic property and adhesion evaluation after molding could not be performed.
- Example 47 Using polyethylene terephthalate (hereinafter referred to as resin P1) and a copolymerized polyethylene terephthalate resin (hereinafter referred to as resin Q1) obtained by copolymerizing 30 mole parts of cyclohexanedimethanol with respect to 100 mole parts of glycol resin, each was dried and then a separate extruder. Supplied to. Resin P1 and Resin Q1 are each melted at 280 ° C. by an extruder, and after passing through a gear pump and a filter, are merged so as to be alternately stacked in a 801-layer feed block at a discharge ratio of 1.1 / 1. I let you.
- resin P1 polyethylene terephthalate
- resin Q1 copolymerized polyethylene terephthalate resin
- the obtained laminate was composed of 401 layers of resin P1 and 400 layers of resin Q1, and was alternately laminated in the thickness direction. Moreover, both surface layer parts were made to become resin P1.
- the laminated body composed of a total of 801 layers thus obtained was supplied to a multi-manifold die to obtain a multilayer laminated sheet. After forming into a sheet shape, it was rapidly cooled and solidified on a casting drum maintained at a surface temperature of 25 ° C. by electrostatic application.
- the obtained cast film was heated with a roll group set at 75 ° C., and then stretched 3.3 times in the longitudinal direction while rapidly heating from both sides of the film with a radiation heater between 100 mm in the stretching section length. Cooled down.
- both surfaces of the uniaxially stretched film were subjected to corona discharge treatment in air, and then the aqueous coating agent (x-16) used in Example 16 was applied to both surfaces of the film.
- the uniaxially stretched film coated with the aqueous coating material was guided to a tenter, preheated with hot air at 100 ° C., and then stretched 3.5 times in the width direction at a temperature of 110 ° C.
- the stretched film is directly subjected to heat treatment with hot air at 230 ° C. in a tenter, followed by 5% relaxation treatment in the width direction at the same temperature, and a laminated polyester film in which the layer (X) is laminated on both sides.
- the thickness of this laminated polyester film was 100 ⁇ m.
- a hard coat coating solution 1 having the following constitution was applied to one side of the obtained laminated polyester film with a thickness of 2 ⁇ m, and ultraviolet rays were irradiated at a dose of 250 mJ / cm 2 to be cured, whereby the laminated polyester film A molding member having a hard coat layer on one side was prepared.
- a binder layer was further formed on the printing ink layer.
- the printing conditions are as follows.
- Ink INQ screen ink (971) manufactured by Teikoku Mfg. Co., Ltd .; 100 parts by weight Solvent: F-003 manufactured by Teikoku Mfg. Co., Ltd .; 10 parts by weight Curing agent: 240 curing agent manufactured by Teikoku Mfg. Co., Ltd .; 10 Part by weight Screen mesh: T-225 Drying: 80 ° C x 10 minutes (box drying)
- Binder IMB-003 manufactured by Teikoku Ink Manufacturing Co., Ltd. Screen mesh: T-225 Drying: 90 ° C x 60 minutes (box drying)
- the molding member composed of this laminated polyester film, hard coat layer, printing ink layer and binder layer is cut to a predetermined size and set in a mold in such a direction that the binder layer contacts the molding resin.
- the insert molding was performed under the following conditions. Clamping load: 60000kgf Mold temperature: 50 °C Molding resin: Sumitomo Dow PC / ABS alloy SD polycarbonate IM6011 Molding resin temperature: 260 ° C Injection speed: 80mm / s Molded product dimensions (L x W x H): 60 x 60 x 3 mm Gate: ⁇ 2mm pin gate
- Table 6 shows the characteristics of the obtained molded body.
- the antistatic property of the 60 mm ⁇ 60 mm surface of the hard coat layer lamination surface of the obtained molded product was measured by the same method as in (2). As a result, it showed 8 ⁇ 10 11 ⁇ / ⁇ and a good surface resistivity.
- the adhesion with the hard coat layer was evaluated on the hard coat layer laminated surface by the same method as in (5-1) and (5-2). As a result, both initial adhesiveness and wet heat adhesiveness showed good adhesiveness.
- the obtained molded object had few defects of a printing ink layer or a hard-coat layer, and the design property was favorable.
- Example 48 In Example 47, the same procedure as in Example 47 was performed, except that the aqueous coating agent (x-34) of Example 34 was used.
- the properties of the obtained molded body are as shown in Table 6.
- the antistatic property of the 60 mm ⁇ 60 mm surface of the hard coat layer lamination surface of the obtained molded product was measured by the same method as in (2). As a result, a surface resistivity of 2 ⁇ 10 12 ⁇ / ⁇ , which is a practically acceptable level, was shown.
- the adhesion with the hard coat layer was evaluated on the hard coat layer laminated surface by the same method as in (5-1) and (5-2). As a result, both initial adhesiveness and wet heat adhesiveness showed good adhesiveness.
- the obtained molded object had few defects of a printing ink layer or a hard-coat layer, and the design property was favorable.
- Example 49 Using polyethylene terephthalate (hereinafter referred to as resin P1) and a copolymerized polyethylene terephthalate resin (hereinafter referred to as resin Q1) obtained by copolymerizing 30 mole parts of cyclohexanedimethanol with respect to 100 mole parts of glycol resin, each was dried and then a separate extruder. Supplied to. Resin P1 and Resin Q1 are each melted at 280 ° C. by an extruder, and after passing through a gear pump and a filter, are merged so as to be alternately stacked in a 801-layer feed block at a discharge ratio of 1.1 / 1. I let you.
- resin P1 polyethylene terephthalate
- resin Q1 copolymerized polyethylene terephthalate resin
- the obtained laminate was composed of 401 layers of resin P1 and 400 layers of resin Q1, and was alternately laminated in the thickness direction. Moreover, both surface layer parts were made to become resin P1.
- the laminated body composed of a total of 801 layers thus obtained was supplied to a multi-manifold die to obtain a multilayer laminated sheet. After forming into a sheet shape, it was rapidly cooled and solidified on a casting drum maintained at a surface temperature of 25 ° C. by electrostatic application.
- the obtained cast film was heated with a roll group set at 75 ° C., and then stretched 3.3 times in the longitudinal direction while rapidly heating from both sides of the film with a radiation heater between 100 mm in the stretching section length. Cooled down.
- both surfaces of the uniaxially stretched film were subjected to corona discharge treatment in air, and then the aqueous coating material (x-34) used in Example 34 was applied to both surfaces of the film.
- the uniaxially stretched film coated with the aqueous coating material was guided to a tenter, preheated with hot air at 100 ° C., and then stretched 3.5 times in the width direction at a temperature of 110 ° C.
- the stretched film is directly subjected to heat treatment with hot air at 230 ° C. in a tenter, followed by 5% relaxation treatment in the width direction at the same temperature, and a laminated polyester film in which the layer (X) is laminated on both sides.
- the thickness of this laminated polyester film was 100 ⁇ m.
- the scratch-resistant resin layer constituting liquid 1 having the following solid content weight ratio was applied to the layer (X) laminated surface of the obtained laminated polyester film so that the thickness of the scratch-resistant resin layer after curing was 9 ⁇ m, After drying at 60 ° C. for 1 hour, an aging treatment was performed at 25 ° C. for 7 days to cure, thereby forming a molding member in which the scratch-resistant resin layer 1 was provided on one side of the laminated polyester film.
- Table 7 shows the characteristics of the obtained molding member.
- the hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher.
- the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it showed a favorable surface specific resistance of 2 ⁇ 10 11 ⁇ / ⁇ . Further, the scratch resistance was an insufficient level.
- Example 50 In Example 49, it carried out similarly to Example 49 except the thickness of the abrasion-resistant resin layer 1 having been 10 micrometers.
- Table 7 shows the characteristics of the obtained molding member. The hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher. Further, when the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it showed a favorable surface specific resistance of 4 ⁇ 10 11 ⁇ / ⁇ . Further, the scratch resistance was a practically sufficient level.
- Example 51 In Example 49, it carried out similarly to Example 49 except the thickness of the abrasion-resistant resin layer 1 having been 25 micrometers.
- Table 7 shows the characteristics of the obtained molding member. The hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher. Moreover, when the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it showed a favorable surface specific resistance of 2 ⁇ 10 12 ⁇ / ⁇ . Further, the scratch resistance was at a good level.
- Example 52 In Example 49, it carried out similarly to Example 49 except the thickness of the abrasion-resistant resin layer 1 having been 30 micrometers.
- Table 7 shows the characteristics of the obtained molding member. The hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher. Moreover, when the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it showed a favorable surface specific resistance of 5 ⁇ 10 12 ⁇ / ⁇ . Further, the scratch resistance was at a good level.
- Example 53 In Example 49, it carried out similarly to Example 49 except the thickness of the abrasion-resistant resin layer 1 having been 31 micrometers.
- Table 7 shows the characteristics of the obtained molding member. The hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher. Further, when the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it was a practically problematic level of 2 ⁇ 10 13 ⁇ / ⁇ . On the other hand, the scratch resistance was a good level.
- Example 54 After obtaining a laminated polyester film in the same manner as in Example 49, the scratch-resistant layer constituting liquid 2 having the following constitution was applied so that the thickness after curing was 10 ⁇ m, and ultraviolet rays were irradiated at an irradiation dose of 250 mJ / cm 2. Then, a molding member having a scratch-resistant resin layer 2 provided on one side of the laminated polyester film was prepared.
- Table 7 shows the characteristics of the obtained molding member.
- the hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher. Further, when the surface specific resistance of the surface of the scratch-resistant resin layer 2 of the obtained molding member was measured, it showed a favorable surface specific resistance of 1 ⁇ 10 12 ⁇ / ⁇ . Further, the scratch resistance was at a good level.
- Example 55 In Example 54, it carried out similarly to Example 54 except the thickness of the abrasion-resistant resin layer 2 having been 20 micrometers.
- Table 7 shows the characteristics of the obtained molding member. The hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher. Moreover, when the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it showed a surface specific resistance of 6 ⁇ 10 12 ⁇ / ⁇ , which was a practically acceptable level. Further, the scratch resistance was at a good level.
- Example 54 was the same as Example 54 except that the thickness of the scratch-resistant resin layer 2 was 30 ⁇ m.
- Table 7 shows the characteristics of the obtained molding member. The hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher. Moreover, when the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it showed a surface specific resistance of 9 ⁇ 10 12 ⁇ / ⁇ , which was a practically acceptable level. Further, the scratch resistance was at a good level.
- Example 54 was the same as Example 54 except that the thickness of the scratch-resistant resin layer 2 was 31 ⁇ m.
- Table 7 shows the characteristics of the obtained molding member. The hardness of the scratch-resistant resin layer of the obtained molding member was HB or higher. Further, when the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it was a practically insufficient level of 3 ⁇ 10 13 ⁇ / ⁇ . Further, the scratch resistance was at a good level.
- Example 58 After obtaining a laminated polyester film by the same method as in Example 51, the scratch-resistant layer constituting liquid 1 was applied and cured on one side of the obtained laminated polyester film by the same method as in Example 51, and one side of the laminated polyester film was obtained. A molding member provided with a scratch-resistant resin layer 1 was prepared.
- a binder layer was further formed on the printing ink layer.
- the printing conditions are as follows.
- Ink INQ screen ink (971) manufactured by Teikoku Mfg. Co., Ltd .; 100 parts by weight Solvent: F-003 manufactured by Teikoku Mfg. Co., Ltd .; 10 parts by weight Curing agent: 240 curing agent manufactured by Teikoku Mfg. Co., Ltd .; 10 Part by weight Screen mesh: T-225 Drying: 80 ° C x 10 minutes (box drying)
- Binder IMB-003 manufactured by Teikoku Ink Manufacturing Co., Ltd. Screen mesh: T-225 Drying: 90 ° C x 60 minutes (box drying)
- the molding member composed of the laminated polyester film, the scratch-resistant resin layer 1, the printing ink layer, and the binder layer is cut into predetermined dimensions and set in the mold in such a direction that the binder layer is in contact with the molding resin.
- insert molding was performed under the following conditions.
- Clamping load 60000kgf Mold temperature: 50 °C Molding resin: Sumitomo Dow PC / ABS alloy SD polycarbonate IM6011 Molding resin temperature: 260 ° C
- Table 8 shows the characteristics of the obtained molded body.
- the antistatic property of the 60 mm ⁇ 60 mm surface of the surface of the scratch-resistant resin layer of the obtained molded product was measured by the same method as in (2). As a result, 3 ⁇ 10 12 ⁇ / ⁇ and a good surface resistivity were shown.
- adhesion to the scratch-resistant resin layer was evaluated on the surface of the scratch-resistant resin layer by the same method as (13-1) and (13-2). As a result, both initial adhesiveness and wet heat adhesiveness showed good adhesiveness.
- the obtained molded object had few defects of a printing ink layer and an abrasion-resistant resin layer, and the design property was favorable.
- Example 59 After obtaining a laminated polyester film by the same method as in Example 55, the scratch resistant layer constituting liquid 2 was applied and cured on one side of the obtained laminated polyester film by the same method as in Example 55, and one side of the laminated polyester film was obtained. A molding member provided with a scratch-resistant resin layer 2 was prepared. Thereafter, in the same manner as in Example 58, a printing ink layer and a binder layer were laminated on the obtained molding member, and insert molding was performed to obtain a molded body.
- Table 8 shows the characteristics of the obtained molded body.
- the antistatic property of the 60 mm ⁇ 60 mm surface of the surface of the scratch-resistant resin layer of the obtained molded product was measured by the same method as in (2). As a result, the surface specific resistance was 9 ⁇ 10 12 ⁇ / ⁇ , which was a level with no practical problem.
- adhesion to the scratch-resistant resin layer was evaluated on the surface of the scratch-resistant resin layer by the same method as (13-1) and (13-2). As a result, both initial adhesiveness and wet heat adhesiveness showed good adhesiveness.
- the obtained molded object had few defects of a printing ink layer and an abrasion-resistant resin layer, and the design property was favorable.
- Example 60 A laminated polyester film was obtained in the same manner as in Example 34 except that the water-based coating agent (x-47) mixed with the following composition was used.
- the weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 3.
- Table 3 shows the characteristics of the obtained laminated polyester film.
- composition of water-based coating agent (x-47) Aqueous dispersion of acrylic urethane copolymer resin (a-1): “Sannaron” WG-658 (solid content concentration 30% by weight) manufactured by Shannan Synthetic Chemical Co., Ltd.
- Example 61 A laminated polyester film was obtained in the same manner as in Example 34 except that the water-based coating agent (x-48) mixed with the following composition was used.
- the weight ratio of each resin and compound in the obtained layer (X) is as shown in Table 3.
- Table 3 shows the characteristics of the obtained laminated polyester film.
- composition of water-based paint (x-48) Aqueous dispersion of acrylic urethane copolymer resin (a-1): “Sannaron” WG-658 (solid content concentration 30% by weight) manufactured by Shannan Synthetic Chemical Co., Ltd.
- aqueous dispersion of oxazoline compound (e): “Epocross” WS-500 solid content concentration: 40% by weight) manufactured by Nippon Shokubai Co., Ltd.
- Table 5 shows the weight composition of each aqueous dispersion in the aqueous coating material (x-48) at this time.
- Table 9 shows the ratio of the acrylic urethane copolymer resin (A), the isocyanate compound (B), the epoxy compound (C), the compound (d-1) having a polythiophene structure, and the compound (d-2) having an anion structure.
- a laminated polyester film was obtained in the same manner as in Example 1 except that it was used under the conditions described.
- Table 10 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the layer (X) of the obtained laminated polyester film is as shown in Table 9.
- Table 9 shows the properties of the obtained laminated polyester film. (In Table 10, the coating agent (x-49) was used in Comparative Example 1, the coating agent (x-50) was used in Comparative Example 2, and the following Comparative Examples were also the same.)
- Example 16 instead of the aqueous dispersion (d-3) of the composition (d-1) comprising a compound having a polythiophene structure and a compound having an anion structure, an aqueous dispersion of polystyrene sulfonate ammonium salt (J) Using the body. Other conditions were the same as in Example 16.
- Table 10 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the layer (X) of the obtained laminated polyester film is as shown in Table 9. In addition, Table 9 shows the properties of the obtained laminated polyester film.
- Example 29 (Comparative Example 29) In Example 16, instead of the epoxy compound (c), the melamine compound (k) (“Nicarac” MW-12LF (solid content concentration 71%) manufactured by Sanwa Chemical Co., Ltd.) was used. Other conditions were the same as in Example 16. Table 10 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the layer (X) of the obtained laminated polyester film is as shown in Table 9. In addition, Table 9 shows the properties of the obtained laminated polyester film.
- the melamine compound (k) (“Nicarac” MW-12LF (solid content concentration 71%) manufactured by Sanwa Chemical Co., Ltd.) was used. Other conditions were the same as in Example 16.
- Table 10 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x) used. The weight ratio of each resin and compound in the layer (X) of the obtained laminated polyester film is as shown in Table 9. In addition, Table 9 shows the properties
- Example 51 Comparative Example 30
- the aqueous coating material (x-76) used in Comparative Example 28 was used instead of the aqueous coating material (x-34). Otherwise, the procedure was the same as in Example 51.
- Table 11 shows the characteristics of the obtained molding member. When the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it was an inadequate level of 5 ⁇ 10 15 ⁇ / ⁇ . Further, the scratch resistance was at a good level.
- Example 55 In Example 55, the aqueous coating material (x-76) used in Comparative Example 28 was used instead of the aqueous coating material (x-34). Otherwise, the procedure was the same as in Example 55.
- Table 11 shows the characteristics of the obtained molding member. When the surface specific resistance of the surface of the scratch-resistant resin layer of the obtained molding member was measured, it was an insufficient level of 4 ⁇ 10 15 ⁇ / ⁇ . Further, the scratch resistance was at a good level.
- Example 32 (Comparative Example 32) In Example 16, instead of the acrylic urethane copolymer resin (a), a polyester resin (o) (“Pesresin” A-210 (solid content concentration: 30%) manufactured by Takamatsu Yushi Co., Ltd.) was used. Other conditions were the same as in Example 16. Table 10 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x-78) used. The weight ratio of each resin and compound in the layer (X) of the obtained laminated polyester film is as shown in Table 9. In addition, Table 9 shows the properties of the obtained laminated polyester film.
- a polyester resin (o) (“Pesresin” A-210 (solid content concentration: 30%) manufactured by Takamatsu Yushi Co., Ltd.) was used. Other conditions were the same as in Example 16.
- Table 10 shows the weight composition of each aqueous dispersion in the aqueous coating agent (x-78) used. The weight ratio of each resin and compound in the layer (X) of the obtained laminated
- the laminated polyester film of the present invention is excellent in adhesiveness and antistatic property with a printed layer and a hard coat layer, and also excellent in adhesiveness and antistatic property after molding, so that it can be used for mobile phones, electrical products, etc. It can be suitably used as a base material for decorative use of parts. Moreover, since it is excellent in antistatic property, productivity can be improved by suppressing adhesion of dust. Moreover, the designability of the molded object comprised from the shaping
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Abstract
Description
(I)層(X)がイソシアネート化合物(B)を含まない場合
(II)イソシアネート化合物(B)の含有量が上記範囲未満の場合
(III)エポキシ化合物(C)の含有量が上記範囲を超える場合
(IV)ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)の含有量の合計が上記範囲を超える場合
(VI)層(X)がエポキシ化合物(C)を含まない場合
(VII)エポキシ化合物(C)の含有量が上記範囲未満の場合
(VIII)ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)を含まない場合
(IX)ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)の含有量が上記範囲未満の場合
(X)イソシアネート化合物(B)の含有量が上記範囲を超える場合
カルボジイミド化合物(f)とは、該化合物中に官能基としてカルボジイミド基、またはその互変異性の関係にあるシアナミド基を分子内に1個または2個以上有する化合物であれば特に限定されるものではない。層(X)の架橋度を上げる目的で、1分子中に2つ以上を有するポリカルボジイミド化合物が特に好ましい。特に、ポリエステル樹脂やアクリル樹脂などのポリマーの末端や側鎖に、複数個のカルボジイミド基を有する、高分子型のカルボジイミド化合物を用いると、層(X)の可撓性や強靭性が高まり好ましく用いることができる。
コート法、コンマコート法などのコート法、また、例えばグラビア印刷法、スクリーン印
刷などの印刷法が挙げられる。
(I)ポリカプロラクトン骨格および水酸基を有する樹脂(k)
(II)ポリシロキサン骨格を有する樹脂(l)
(III)ポリジメチルシロキサン骨格を有する樹脂(m)
(IV)ポリシロキサン骨格とポリジメチルシロキサン骨格とを有する樹脂(l+m)
耐擦傷樹脂層中におけるウレタン成分(N)の含有量は、耐擦傷樹脂層を100重量部とした時に、10~40重量部であることが好ましい。上記範囲以外では耐擦傷性が劣ることがあり好ましくない。
耐擦傷樹脂層中におけるポリシロキサン成分(L)の含有量は、耐擦傷樹脂層を100重量部とした時に、1~20重量部であることが好ましい。上記範囲以外では耐擦傷性が劣ることがあり好ましくない。
(1)透明性の測定方法
透明性は、ヘイズ(%)により評価した。ヘイズの測定は、常態(温度23℃、相対湿度65%)において、積層ポリエステルフィルムを1時間放置した後、日本電色工業(株)製濁度計「NDH5000」を用いて行った。3回測定した平均値を、その積層ポリエステルフィルムのヘイズとした。
帯電防止性は、表面比抵抗により評価した。表面比抵抗は、積層ポリエステルフィルムを常態(温度23℃、相対湿度65%)において24時間放置後、その雰囲気下でデジタル超高抵抗/微小電流計(アドバンテスト製R8340A)を用いて、印加電圧100Vで10秒間印加後の表面比抵抗値を求めた。なお、測定面は積層ポリエステルフィルムの層(X)積層面とする。単位は、Ω/□である。表面比抵抗が9×1011Ω/□以下のものであれば実用上問題のないレベルであり、5×1010Ω/□以下のものは優れた帯電防止性を示す。
帯電防止性は、表面比抵抗により評価した。フィルム幅方向に長さ200mm×幅100mmの矩形に切り出して測定用サンプルを得た。次にパンタグラフ方式のフィルムストレッチャーを用いて、温度100℃、速度10mm/秒の条件で、測定用サンプルの短軸方向(幅方向)に伸度50%の一軸延伸を行い、成形後積層ポリエステルフィルムを作製した。成形後積層ポリエステルフィルムを常態(温度23℃、相対湿度65%)において24時間放置後、その雰囲気下でデジタル超高抵抗/微小電流計(アドバンテスト製R8340A)を用いて、印加電圧100Vで10秒間印加後の表面比抵抗値を求めた。なお、測定面は成形後積層ポリエステルフィルムの層(X)積層面とする。単位は、Ω/□である。表面比抵抗が5×1012Ω/□以下のものであれば実用上問題のないレベルであり、1×1011Ω/□以下のものは優れた帯電防止性を示す。
(4-1)初期接着性の評価方法
積層ポリエステルフィルム上に、下記の割合でインキ、溶剤、硬化剤を混合した熱硬化型インキを、硬化後の膜厚が約5μmとなるよう均一に塗布した。
インキ:帝国インキ製造(株)製INQスクリーンインキ(971):100重量部
溶剤:帝国インキ製造(株)製F-003:10重量部
硬化剤:帝国インキ製造(株)製240硬化剤:3重量部
S :100個残存
A :80~99個残存
B :50~79個残存
C :0~50個未満残存。
(4-1)と同様の方法でインキ積層ポリエステルフィルムを得た。得られたインキ積層ポリエステルフィルムを、温度65℃、相対湿度95%の恒温恒湿槽中に168時間放置し、湿熱接着試験用インキ積層サンプルを得た。得られた湿熱接着試験用インキ積層サンプルについて、(4-1)と同様の方法で接着性評価を行い、4段階評価を行った。Cは実用上問題のあるレベル、Bは実用レベルであり、SとAのものは良好とした。
(4-1)と同様の方法でインキ積層ポリエステルフィルムを得た。該インキ積層ポリエステルフィルムの幅方向に長さ200mm×幅100mmの矩形に切り出して測定用サンプルを得た。次にパンタグラフ方式のフィルムストレッチャーを用いて、温度100℃、速度10mm/秒の条件で、測定用サンプルの短軸方向(幅方向)に伸度50%の一軸延伸を行い、成形後インキ積層ポリエステルフィルムを作製した。得られた成形後インキ積層ポリエステルフィルムについて、(4-1)と同様の方法で接着性評価を行い、4段階評価を行った。Cは実用上問題のあるレベル、Bは実用レベルであり、SとAのものは良好とした。
(4-3)と同様の方法で成形後インキ積層ポリエステルフィルムを作製した。得られた成形後インキ積層ポリエステルフィルムについて、(4-2)と同様の方法で接着性評価を行い、4段階評価を行った。Cは実用上問題のあるレベル、Bは実用レベルであり、SとAのものは良好とした。
(5-1)初期接着性の評価方法
積層ポリエステルフィルム上に、下記の割合で混合したUV硬化型樹脂を、バーコーターを用いて硬化後の膜厚が2μmとなるように均一に塗布した。
・ウレタンアクリレート(新中村化学(株)製 UA122P):80重量部
・ポリエステルアクリレート(日本化薬(株)製“カヤラッド”DPHA):10重量部
・ポリエステルアクリレート(日本化薬(株)製“カヤラッド”PETA):10重量部
・シリコーンオイル(東レダウコーニングシリコーン(株)製 SH190):3重量部
・光重合開始剤(長瀬産業(株)社製“イルガキュア”184):3重量部
S :100個残存
A :80~99個残存
B :50~79個残存
C :0~50個未満残存。
(5-1)と同様の方法でハードコート積層ポリエステルフィルムを得た。得られたハードコート積層ポリエステルフィルムを、温度65℃、相対湿度95%の恒温恒湿槽中に168時間放置し、湿熱接着試験用ハードコート積層サンプルを得た。得られた湿熱接着試験用ハードコート積層サンプルについて、(5-1)と同様の方法で接着性評価を行い、4段階評価を行った。Cは実用上問題のあるレベル、Bは実用レベルであり、SとAのものは良好とした。
(5-1)と同様の方法でハードコート積層ポリエステルフィルムを得た。該ハードコート積層ポリエステルフィルムの幅方向に長さ200mm×幅100mmの矩形に切り出して測定用サンプルを得た。次にパンタグラフ方式のフィルムストレッチャーを用いて、温度100℃、速度10mm/秒の条件で、測定用サンプルの短軸方向(幅方向)に伸度50%の一軸延伸を行い、成形後ハードコート積層ポリエステルフィルムを作製した。得られた成形後ハードコート積層ポリエステルフィルムについて、(5-1)と同様の方法で接着性評価を行い、4段階評価を行った。Cは実用上問題のあるレベル、Bは実用レベルであり、SとAのものは良好とした。
(5-3)と同様の方法で成形後ハードコート積層ポリエステルフィルムを作製した。得られた成形後ハードコート積層ポリエステルフィルムについて、(5-2)と同様の方法で接着性評価を行い、4段階評価を行った。Cは実用上問題のあるレベル、Bは実用レベルであり、SとAのものは良好とした。
積層ポリエステルフィルムのヘイズ値を(1)と同様の方法で測定し、加熱前ヘイズを測定する。その後、該積層ポリエステルフィルムを金属枠に4辺で固定し、140℃(風量ゲージ「7」)に設定したエスペック(株)製熱風オーブン「HIGH-TEMP-OVEN PHH-200」に、金属枠に固定したサンプルを熱風オーブン内の床に対して立てて入れ、1時間加熱した。空冷で1時間放置した後、層(X)と反対にある積層ポリエステルフィルムの面を、アセトンを含ませた不織布(小津産業(株)製、ハイゼガーゼNT-4)にて拭き取り、さらにアセトンで流し常態で40時間放置乾燥させ、層(X)とは反対にある積層ポリエステルフィルム面から析出したオリゴマーを除去した。その後、サンプルのヘイズ値を、(1)と同様の方法で測定し、加熱後ヘイズ値を測定した。ここで得られた加熱後ヘイズ値から、加熱前ヘイズを引いた値をΔヘイズ値とした。
フィルム長手方向に長さ150mm×幅10mmの矩形に切り出した積層ポリエステルフィルムを長手方向測定用サンプルとした。同様にフィルム幅方向に長さ150mm×幅10mmの矩形に切り出した積層ポリエステルフィルムを幅方向測定用サンプルとした。
・初期引張チャック間距離は50mm、引張速度は300mm/分とする。
・サンプルの長さ方向に引張試験を行うものとする。
・測定は、予め150℃に設定した恒温層中にサンプルをセットし、90秒間の予熱の後で引張試験を行う。
帯電防止性は、表面比抵抗により評価した。まず(5-1)と同様の方法でハードコート積層ポリエステルフィルムを得た。該ハードコート積層ポリエステルフィルムを、常態(温度23℃、相対湿度65%)において24時間放置した。その後、ハードコート積層面を、デジタル超高抵抗/微小電流計(アドバンテスト製R8340A)を用いて、印加電圧100Vで10秒間印加後の表面比抵抗値を求めた。単位は、Ω/□である。表面比抵抗が9×1012Ω/□以下のものであれば実用上問題のないレベルであり、9×1011Ω/□以下のものは優れた帯電防止性を示す。
積層ポリエステルフィルムに耐擦傷樹脂層が設けられてなる成形用部材の耐擦傷樹脂層の表面について、JIS K5600-5-4(1999年制定)「引っ掻き硬度(鉛筆法)」に従って、下記の条件で鉛筆引っ掻き試験を行い、試験後1分間経過した後の耐擦傷樹脂層表面を目視観察し、傷が見られない場合、該耐擦傷樹脂層の硬度がHB以上であるとした。
引っ掻き装置:鉛筆引っ掻き試験器(コーテック株式会社製)
鉛筆:三菱鉛筆製“uni”HB
荷重:750g
引っ掻き速度:10mm/s
積層ポリエステルフィルムに耐擦傷樹脂層が設けられてなる成形用部材の超薄膜断面切片を切り出し、RuO4 染色、OsO4染色、あるいは両者の二重染色による染色超薄切片法により、TEM(透過型電子顕微鏡)で断面構造が目視可能な条件にて観察し、その断面写真から耐擦傷樹脂層の厚みを測定した。なお、測定は3サンプルの平均値とした。
・測定装置:透過型電子顕微鏡(日立(株)製 H-7100FA型)
・測定条件:加速電圧 100kV
・試料調整:凍結超薄切片法
帯電防止性は、表面比抵抗により評価した。積層ポリエステルフィルムに耐擦傷樹脂層が設けられてなる成形用部材について、耐擦傷樹脂層の上から(2)と同様の方法で表面比抵抗の測定を行った。単位は、Ω/□である。表面比抵抗が9×1012Ω/□以下のものであれば実用上問題のないレベルであり、5×1012Ω/□以下のものは優れた帯電防止性を示す。
積層ポリエステルフィルムに耐擦傷樹脂層が設けられてなる成形用部材の耐擦傷樹脂層表面に、2cm×2cmのスチールウール(#0000)を用い、200gの荷重をかけて表面を擦り、目視で傷が認識される時のスチールウールの往復回数をカウントした。往復回数により、3段階評価を行った。Cは実用上問題のあるレベル、Bは実用レベルであり、Aは良好とした。
A :10往復以上
B :5~9往復
C :5往復未満
(13-1)初期接着性の評価方法
積層ポリエステルフィルムの層(X)積層面に、実施例に記載の耐擦傷樹脂層構成液を塗布し、実施例に記載の条件で硬化を行い、耐擦傷樹脂層積層ポリエステルフィルムを得た。
S :100個残存
A :80~99個残存
B :50~79個残存
C :0~50個未満残存。
(13-1)と同様の方法で、耐擦傷樹脂層積層ポリエステルフィルムを得た。得られた、耐擦傷樹脂層積層ポリエステルフィルムを、温度65℃、相対湿度95%の恒温恒湿槽中に72時間放置し、湿熱接着試験用耐擦傷樹脂層積層サンプルを得た。得られた湿熱接着試験用、耐擦傷樹脂層積層サンプルについて、(13-1)と同様の方法で接着性評価を行い、4段階評価を行った。Cは実用上問題のあるレベル、Bは実用レベルであり、SとAのものは良好とした。
積層ポリエステルフィルムについて、OsO4染色超薄膜切片法により層(X)表面の試料を作製する。得られた試料の断面を、透過型電子顕微鏡(TEM)を用いて下記条件で観察し、断面写真を得た。得られた断面写真において、網目状構造を確認できた場合、Yと判定した。
Y : 層(X)が連続相構造を有する
N : 層(X)が連続相構造を有さない
・測定装置:透過型電子顕微鏡(日立(株)製 H-7100FA型)
・測定条件:加速電圧 100kV
・倍率 :2万倍
積層ポリエステルフィルムについて、OsO4染色超薄膜切片法によりコロジオン膜上に層(X)表面の試料を作製する。なお、ここで3次元再構成処理を行う際の位置合わせマーカーとして、Auコロイド粒子を使用した。得られた試料の断面を、下記条件で1°毎に測定試料を傾斜させつつ測定することにより、断面連続傾斜像を取得する。ここで得られた像を基にCT再構成処理を実施し、3次元再構成処理画像を得た後、該画像について2階調化処理を行い、基材に対して平行な断面の面積および当該断面内における黒色部の面積を層(X)の厚み方向1nm毎に測定し、各断面における黒色部の面積比率を算出する。その後、厚み方向に1nm間隔で得られた上記黒色部の面積比率の測定値について、標準偏差を算出する。ここでいう、基材に対して平行な断面とは図6でいうX―Y面に平行な断面であり、厚み方向とはZ軸に平行な方向を意味する。なお、染色方法は透過型電子顕微鏡(TEM)を用いた層(X)の断面観察と同様であることから、3次元再構成処理画像においても、黒色部は相2(例えば、混合体(C+D))であると判断できる。
・測定装置 : 電界放出型電子顕微鏡(JEOL製 JEM2100F)
・画像ソフト : DigitalMicrograph(Gatan Inc製)
・測定条件 : 加速電圧 200kV
・倍率 : 2万倍
・測定システム: マーカー法
・傾斜角度 : +65°~-66°
・再構成解像度: 0.54nm/pixel
窒素ガス雰囲気下かつ常温(25℃)下で、容器1に、ポリエステル系ウレタン樹脂(DIC(株)製“ハイドラン”AP-40(F))66重量部、メタクリル酸メチル35重量部、アクリル酸エチル29重量部、N―メチロールアクリルアミド2重量部を仕込み、溶液1を得た。次いで乳化剤(ADEKA(株)製“リアソープ”ER-30)を7重量部加え、更に溶液の固形分が50重量%となるように水を添加し、溶液2を得た。常温(25℃)下で、容器2に、水30重量部を添加し、60℃に昇温した。その後攪拌しながら溶液2を3時間かけて連続滴下せしめた。更に同時に5重量%過硫酸カリウム水溶液(アクリルの0.1重量%)を連続滴下せしめた。滴下終了後、さらに2時間攪拌した後、25℃まで冷却し、反応を終了させ、アクリルウレタン共重合樹脂(a-2)水分散体を得た。なお、得られたアクリルウレタン共重合樹脂(a-2)水分散体の固形分濃度は30重量%である。
陰イオン構造を有する化合物であるポリスチレンスルホン酸を20.8重量部含む1887重量部の水溶液中に、1重量%硫酸鉄(III)水溶液49重量部、チオフェン構造を有する化合物である3,4-エチレンジオキシチオフェン8.8重量部、および10.9重量%のペルオキソ二硫酸水溶液117重量部を加えた。この混合物を18℃で、23時間攪拌した。次いで、この混合物に、154重量部の陽イオン交換樹脂および232重量部の陰イオン交換樹脂を加えて、2時間攪拌した後、イオン交換樹脂をろ別して、ポリ(3,4-エチレンジオキシチオフェン)とポリスチレンスルホン酸からなる組成物(d-3)の水分散体を得た。なお、ポリチオフェン構造を有する化合物と陰イオン構造を有する化合物の重量比(ポリチオフェン構造を有する化合物/陰イオン構造を有する化合物)は、4/6である。また、得られたポリチオフェン構造を有する化合物および陰イオン構造を有する化合物をからなる組成物(d-3)の水分散体の固形分濃度は1.3重量%である。
ポリスチレンスルホン酸の添加量を9.0重量部に変更した以外は、参考例2と同様の方法で、ポリ(3,4-エチレンジオキシチオフェン)とポリスチレンスルホン酸からなる組成物(d-4)の水分散体を得た。なお、ポリチオフェン構造を有する化合物と陰イオン構造を有する化合物の重量比(ポリチオフェン構造を有する化合物/陰イオン構造を有する化合物)は、5/5である。また、得られたポリチオフェン構造を有する化合物および陰イオン構造を有する化合物をからなる組成物(d-4)の水分散体の固形分濃度は1.3重量%である。
窒素ガス雰囲気下かつ常温(25℃)下で、容器1に、水200重量部、過硫酸アンモニウム1重量部を仕込み、これを85℃に昇温し、溶解させ、85℃の溶液3を得た。常温(25℃)下で、容器4に、スチレンスルホン酸アンモニウム塩100重量部、過硫酸アンモニウム3重量部、水100部添加し、溶液2を得た。窒素ガス雰囲気下で、溶液3を反応器に移し、反応器内の溶液の温度を85℃に保ちつつ、溶液4を溶液1に4時間かけて連続滴下せしめた。滴下終了後、更に3時間攪拌したのち、25度まで冷却し、ポリスチレンスルホン酸アンモニウム塩(J)水分散体を得た。得られたポリスチレンスルホン酸アンモニウム塩(J)水分散体の固形分濃度は10重量%である。
窒素ガス雰囲気下かつ常温(25℃)下で、反応器に水100重量部、エタノール106重量部、メチルトリメトキシラン270重量部、γ-メタクリロキシプロピルメチルジメトキシシラン23重量部、1%塩酸1重量部、ハイドロキノンモノメチルエーテル0.1重量部を仕込み、これを85℃に昇温し、2時間反応させた。その後2時間かけて180℃まで徐々に昇温させ、水とエタノールを蒸留した後、25℃まで冷却し、メチルイソブチルケトンにより希釈し、ポリシロキサン骨格を有する樹脂(l)溶液を得た。得られたポリシロキサン骨格を有する樹脂(l)溶液の固形分濃度は50重量%である。
窒素ガス雰囲気下常温(25℃)下で、容器1に、メタクリル酸メチル20重量部、メタクリル酸ブチル26重量部、2-ヒドロキシエチルメタクリレート23重量部、ポリシロキサン骨格を有する樹脂(l)10重量部、メタクリル酸1部、片末端メタクリル変性ポリジメチルシロキサン(信越化学工業(株)製、X-22-174DX)20重量部を混合し、溶液1を得た。また、窒素ガス雰囲気下かつ常温(25℃)下で、反応器にトルエン50重量部、メチルイソブチルケトン50重量部を仕込み、これを80℃に昇温し、溶液2を得た。反応器内の溶液の温度を80℃に保ちつつ、溶液1を溶液2に3時間かけて連続滴下せしめた。滴下終了後、更に6時間攪拌したのち、25℃まで冷却し、反応を終了させ、ポリシロキサン骨格とポリジメチルシロキサン骨格とを有する樹脂(l+m)を得た。得られたポリシロキサン骨格とポリジメチルシロキサン骨格とを有する樹脂(l+m)溶液の固形分濃度は50重量%である。
ポリエチレンテレフタレート(以下、樹脂P1)と、グリコール樹脂100モル部に対しシクロヘキサンジメタノールを30モル部共重合した共重合ポリエチレンテレフタレート樹脂(以下、樹脂Q1)を用い、それぞれ乾燥した後、別々の押出機に供給した。樹脂P1、樹脂Q1は、それぞれ、押出機にて280℃の溶融状態とし、ギヤポンプおよびフィルタを介した後、吐出比1.1/1で801層のフィードブロックにて交互に積層するように合流させた。この時、得られた積層体が、樹脂P1が401層、樹脂Q1が400層からなり、厚み方向に交互に積層されるようにした。また、両表層部分は樹脂P1となるようにした。このようにして得られた計801層からなる積層体を、マルチマニホールドダイに供給して多層積層シートを得た。なお、シート状に成形した後、静電印加にて表面温度25℃に保たれたキャスティングドラム上で急冷固化した。得られたキャストフィルムを、75℃に設定したロール群で加熱した後、延伸区間長100mmの間で、フィルム両面からラジエーションヒーターにより急速加熱しながら、長手方向に3.3倍延伸し、その後一旦冷却した。つづいて、この一軸延伸フィルムに、空気中でコロナ放電処理を施した後、下記組成で混合した水系塗剤(x-1)をコロナ放電処理面に塗布した。
・アクリルウレタン共重合樹脂(a-1)の水分散体:山南合成化学(株)製“サンナロン”WG-658(固形分濃度30重量%)
・イソシアネート化合物(b)の水分散体:第一工業製薬(株)製“エラストロン”E-37(固形分濃度28重量%)
・エポキシ化合物(c):DIC(株)製“CR-5L”(固形分濃度100重量%)
・ポリチオフェン構造を有する化合物および陰イオン構造を有する化合物からなる組成物(d-3)の水分散体
・水系溶媒(G):純水
(A):アクリルウレタン共重合樹脂
(B):イソシアネート化合物
(C):エポキシ化合物
(d-1):ポリチオフェン構造を有する化合物
(d-2):陰イオン構造を有する化合物
(E):オキサゾリン化合物
(F):カルボジイミド化合物
アクリルウレタン共重合樹脂(A)、イソシアネート化合物(B)、エポキシ化合物(C)、ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)の比率を、表2に記載の条件で用いた以外は、実施例1と同様の方法で積層ポリエステルフィルムを得た。用いた水系塗剤(x)における各水分散体の重量組成を表1に示す。得られた層(X)における各樹脂及び化合物の重量比率は、表2に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表2に示す。(なお表1について、実施例2では塗剤x-2を、実施例3では塗剤x-3を用いることとし、以降の実施例も同様とした。)
アクリルウレタン共重合樹脂(a-1)の水分散体の代わりにアクリルウレタン共重合樹脂(a-2)の水分散体を用いた以外は実施例16と同様の方法で積層ポリエステルフィルムを得た。用いた水系塗剤(x)における各水分散体の重量組成を表1に示す。得られた層(X)における各樹脂及び化合物の重量比率は、表2に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表2に示す。
ポリチオフェン構造を有する化合物および陰イオン構造を有する化合物からなる組成物(d-3)の水分散体の代わりにポリチオフェン構造を有する化合物および陰イオン構造を有する化合物からなる組成物(d-4)の水分散体を用いた以外は実施例16と同様の方法で積層ポリエステルフィルムを得た。用いた水系塗剤(x)における各水分散体の重量組成を表1に示す。得られた層(X)における各樹脂及び化合物の重量比率は、表2に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表2に示す。
アクリルウレタン共重合樹脂(A)、イソシアネート化合物(B)、エポキシ化合物(C)、ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)の比率を、表2に記載の条件で用いた以外は、実施例1と同様の方法で積層ポリエステルフィルムを得た。用いた水系塗剤(x)における各水分散体の重量組成を表1に示す。得られた層(X)における各樹脂及び化合物の重量比率は、表2に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表2に示す。
下記組成で混合した水系塗剤(x-34)を用いた以外は、実施例33と同様の方法で積層ポリエステルフィルムを得た。得られた層(X)における各樹脂及び化合物の重量比率は、表3に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表3に示す。また、ハードコート層積層後の帯電防止性を、表4に示す。
・アクリルウレタン共重合樹脂(a-1)の水分散体:山南合成化学(株)製“サンナロン”WG-658(固形分濃度30重量%)
・イソシアネート化合物(b)の水分散体:第一工業製薬(株)製“エラストロン”E-37(固形分濃度28重量%)
・エポキシ化合物(c)の水分散体:DIC(株)製“CR-5L” (固形分濃度100重量%)
・ポリチオフェン構造を有する化合物および陰イオン構造を有する化合物からなる組成物(d-3)の水分散体(固形分濃度1.3重量%)
・オキサゾリン化合物(e)の水分散体:日本触媒(株)製“エポクロス”WS-500(固形分濃度40重量%)
・カルボジイミド化合物(f)の水分散体:日清紡(株)製“カルボジライト”V-04(固形分濃度40重量%)
・水系溶媒(G):純水
アクリルウレタン共重合樹脂(a-1)の水分散体の代わりにアクリルウレタン共重合樹脂(a-2)の水分散体を用いた以外は実施例34と同様の方法で積層ポリエステルフィルムを得た。用いた水系塗剤(x)における各水分散体の重量組成を表5に示す。得られた層(X)における各樹脂及び化合物の重量比率は、表3に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表3に示す。また、ハードコート層積層後の帯電防止性を表4に示す。
アクリルウレタン共重合樹脂(A)、イソシアネート化合物(B)、エポキシ化合物(C)、ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)、オキサゾリン化合物(E)、カルボジイミド化合物(F)の比率を、表3に記載の条件で用いた以外は、実施例34と同様の方法で積層ポリエステルフィルムを得た。用いた水系塗剤(x)における各水分散体の重量組成を表5に示す。得られた層(X)における各樹脂及び化合物の重量比率は、表3に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表3に示す。また、ハードコート層積層後の帯電防止性を表4に示す。
下記組成で混合した水系塗剤(x-43)を用いた以外は、実施例42と同様の方法で積層ポリエステルフィルムを得た。得られた層(X)における各樹脂及び化合物の重量比率は、表3に記載の通りである。得られた積層ポリエステルフィルムの特性を表3に示す。また、ハードコート層積層後の帯電防止性を、表4に示す。
・アクリルウレタン共重合樹脂(a-1)の水分散体:山南合成化学(株)製“サンナロン”WG-658(固形分濃度30重量%)
・イソシアネート化合物(b)の水分散体:第一工業製薬(株)製“エラストロン”E-37(固形分濃度28重量%)
・エポキシ化合物(c)の水分散体:DIC(株)製“CR-5L” (固形分濃度100重量%)
・ポリチオフェン構造を有する化合物および陰イオン構造を有する化合物からなる組成物(d-3)の水分散体(固形分濃度1.3重量%)
・オキサゾリン化合物(e)の水分散体:日本触媒(株)製“エポクロス”WS-500(固形分濃度40重量%)
・カルボジイミド化合物(f)の水分散体:日清紡(株)製“カルボジライト”V-04(固形分濃度40重量%)
・シリカ粒子(h):日揮触媒化成(株)製“スフェリカスラリー”140(固形分濃度40%)
・アセチレンジオール系界面活性剤(i-1):日信化学(株)製“オルフィン”EXP4051(固形分濃度50%)
・水系溶媒(G):純水
実施例43において、アセチレンジオール系界面活性剤(i-1)の代わりに、フッ素系界面活性剤(i-2:互応化学(株)製“プラスコート”RY-2)を用いたこと以外は、実施例43と同様の方法で積層ポリエステルフィルムを得た。用いた水系塗剤(x)における各水分散体の重量組成を表5に示す。得られた積層ポリエステルフィルムの特性を表3に示す。また、ハードコート層積層後の帯電防止性を、表4に示す。
実施例16において、樹脂Q1の代わりに樹脂P1を用いた。その他の条件は実施例16と同様とした。用いた水系塗剤(x)における各水分散体の重量組成を表5に示す。得られた積層ポリエステルフィルムの層(X)における各樹脂及び化合物の重量比率は、表3に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表3に示す。なお、得られた積層ポリエステルフィルムはF-100値が好ましい範囲より高く、成形加工時にフィルムが破断してしまうため、成形後の帯電防止性、接着性評価は行うことができなかった。
実施例34において、樹脂Q1の代わりに樹脂P1を用いた。その他の条件は実施例34と同様とした。用いた水系塗剤(x)における各水分散体の重量組成を表5に示す。得られた積層ポリエステルフィルムの層(X)における各樹脂及び化合物の重量比率は、表3に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表3に示す。なお、得られた積層ポリエステルフィルムはF-100値が好ましい範囲より高く、成形加工時にフィルムが破断してしまうため、成形後の帯電防止性、接着性評価は行うことができなかった。
ポリエチレンテレフタレート(以下、樹脂P1)と、グリコール樹脂100モル部に対しシクロヘキサンジメタノールを30モル部共重合した共重合ポリエチレンテレフタレート樹脂(以下、樹脂Q1)を用い、それぞれ乾燥した後、別々の押出機に供給した。樹脂P1、樹脂Q1は、それぞれ、押出機にて280℃の溶融状態とし、ギヤポンプおよびフィルタを介した後、吐出比1.1/1で801層のフィードブロックにて交互に積層するように合流させた。この時、得られた積層体が、樹脂P1が401層、樹脂Q1が400層からなり、厚み方向に交互に積層されるようにした。また、両表層部分は樹脂P1となるようにした。このようにして得られた計801層からなる積層体を、マルチマニホールドダイに供給して多層積層シートを得た。なお、シート状に成形した後、静電印加にて表面温度25℃に保たれたキャスティングドラム上で急冷固化した。得られたキャストフィルムを、75℃に設定したロール群で加熱した後、延伸区間長100mmの間で、フィルム両面からラジエーションヒーターにより急速加熱しながら、長手方向に3.3倍延伸し、その後一旦冷却した。続いて、この一軸延伸フィルムの両面に、空気中でコロナ放電処理を施した後、実施例16で用いた水系塗剤(x-16)をフィルムの両面に塗布した。水系塗剤を塗布した一軸延伸フィルムをテンターに導き、100℃の熱風で予熱後、110℃の温度で幅方向に3.5倍延伸した。延伸したフィルムは、そのまま、テンター内で230℃の熱風にて熱処理を行い、続いて同温度にて幅方向に5%の弛緩処理を施し、層(X)が両面に積層された積層ポリエステルフィルムを得た。この積層ポリエステルフィルムの厚みは100μmであった。
・ウレタンアクリレート(新中村化学(株)製 UA122P):80重量部
・ポリエステルアクリレート(日本化薬(株)製“カヤラッド”DPHA):10重量部
・ポリエステルアクリレート(日本化薬(株)製“カヤラッド”PETA):10重量部
・シリコーンオイル(東レダウコーニングシリコーン(株)製 SH190):3重量部
・光重合開始剤(長瀬産業(株)社製“イルガキュア”184:3重量部
インキ:帝国インキ製造(株)製INQスクリーンインキ(971);100重量部
溶剤 :帝国インキ製造(株)製F-003;10重量部
硬化剤:帝国インキ製造(株)製240硬化剤;10重量部
スクリーンメッシュ:T-225
乾燥 :80℃×10分(ボックス乾燥)
バインダー:帝国インキ製造株式会社製 IMB-003
スクリーンメッシュ:T-225
乾燥:90℃×60分(ボックス乾燥)
型締荷重:60000kgf
金型温度:50℃
成形用樹脂:住友ダウ株式会社製 PC/ABSアロイ SDポリカ IM6011
成形樹脂温度:260℃
射出速度:80mm/s
成形品寸法(L×W×H):60×60×3mm
ゲート:φ2mmピンゲート
実施例47において、塗布する水系塗剤を実施例34の水系塗剤(x-34)を用いた以外は実施例47と同様とした。得られた成形体の特性は、表6に記載の通りである。得られた成形体のハードコート層積層面の60mm×60mmの面の帯電防止性を(2)と同様の方法で測定した。その結果、2×1012Ω/□と、実用上問題ないレベルの表面比抵抗を示した。また、ハードコート層積層面に対して、(5-1)、(5-2)と同様の方法でハードコート層との接着性評価を行った。その結果、初期接着性、湿熱接着性ともに良好な接着性を示した。なお、得られた成形体は印刷インキ層やハードコート層の欠点が少なく、意匠性が良好であった。
ポリエチレンテレフタレート(以下、樹脂P1)と、グリコール樹脂100モル部に対しシクロヘキサンジメタノールを30モル部共重合した共重合ポリエチレンテレフタレート樹脂(以下、樹脂Q1)を用い、それぞれ乾燥した後、別々の押出機に供給した。樹脂P1、樹脂Q1は、それぞれ、押出機にて280℃の溶融状態とし、ギヤポンプおよびフィルタを介した後、吐出比1.1/1で801層のフィードブロックにて交互に積層するように合流させた。この時、得られた積層体が、樹脂P1が401層、樹脂Q1が400層からなり、厚み方向に交互に積層されるようにした。また、両表層部分は樹脂P1となるようにした。このようにして得られた計801層からなる積層体を、マルチマニホールドダイに供給して多層積層シートを得た。なお、シート状に成形した後、静電印加にて表面温度25℃に保たれたキャスティングドラム上で急冷固化した。得られたキャストフィルムを、75℃に設定したロール群で加熱した後、延伸区間長100mmの間で、フィルム両面からラジエーションヒーターにより急速加熱しながら、長手方向に3.3倍延伸し、その後一旦冷却した。続いて、この一軸延伸フィルムの両面に、空気中でコロナ放電処理を施した後、実施例34で用いた水系塗剤(x-34)をフィルムの両面に塗布した。水系塗剤を塗布した一軸延伸フィルムをテンターに導き、100℃の熱風で予熱後、110℃の温度で幅方向に3.5倍延伸した。延伸したフィルムは、そのまま、テンター内で230℃の熱風にて熱処理を行い、続いて同温度にて幅方向に5%の弛緩処理を施し、層(X)が両面に積層された積層ポリエステルフィルムを得た。この積層ポリエステルフィルムの厚みは100μmであった。
・ポリシロキサン骨格とポリジメチルシロキサン骨格とを有する樹脂(l+m):63重量部
・ポリカプロラクトン骨格および水酸基を有する樹脂(k)(4官能カプロラクトンポリオール(ダイセル化学工業(株)製プラクセル410D)):11重量部
・イソシネート系化合物(n)(HMDIイソシアネート(武田薬品工業(株)製“タケネート”D-170N)):26重量部
実施例49において、耐擦傷樹脂層1の厚みを10μmとした以外は実施例49と同様にした。得られた成形用部材の特性を、表7に示す。得られた成形用部材の耐擦傷樹脂層の硬度はHB以上であった。また、得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、4×1011Ω/□と良好な表面比抵抗を示した。また、耐擦傷性については、実用上充分なレベルであった。
実施例49において、耐擦傷樹脂層1の厚みを25μmとした以外は実施例49と同様にした。 得られた成形用部材の特性を、表7に示す。得られた成形用部材の耐擦傷樹脂層の硬度はHB以上であった。また、得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、2×1012Ω/□と良好な表面比抵抗を示した。また、耐擦傷性については、良好なレベルであった。
実施例49において、耐擦傷樹脂層1の厚みを30μmとした以外は実施例49と同様にした。 得られた成形用部材の特性を、表7に示す。得られた成形用部材の耐擦傷樹脂層の硬度はHB以上であった。また、得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、5×1012Ω/□と良好な表面比抵抗を示した。また、耐擦傷性については、良好なレベルであった。
実施例49において、耐擦傷樹脂層1の厚みを31μmとした以外は実施例49と同様にした。 得られた成形用部材の特性を、表7に示す。得られた成形用部材の耐擦傷樹脂層の硬度はHB以上であった。また、得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、2×1013Ω/□と実用上問題のあるレベルであった。一方で、耐擦傷性については、良好なレベルであった。
実施例49と同様の方法で積層ポリエステルフィルムを得た後、下記構成の耐擦傷層構成液2を硬化後の厚みが10μmとなるよう塗工し、紫外線を250mJ/cm2の照射量で照射し硬化させて積層ポリエステルフィルムの片面に耐擦傷樹脂層2を設けた成形用部材を作成した。
・ウレタンアクリレート(新中村化学(株)製 UA122P):30重量部
・ポリエステルアクリレート(日本化薬(株)製“カヤラッド”DPHA):100重量部
・ポリエステルアクリレート(日本化薬(株)製“カヤラッド”PETA):10重量部
・シリコーンオイル(東レダウコーニングシリコーン(株)製 SH190):3重量部
・光重合開始剤(長瀬産業(株)社製“イルガキュア”184:3重量部
実施例54において、耐擦傷樹脂層2の厚みを20μmとした以外は実施例54と同様にした。得られた成形用部材の特性を、表7に示す。得られた成形用部材の耐擦傷樹脂層の硬度はHB以上であった。また、得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、6×1012Ω/□と実用上問題ないレベルの表面比抵抗を示した。また、耐擦傷性については良好なレベルであった。
実施例54において、耐擦傷樹脂層2の厚みを30μmとした以外は実施例54と同様にした。 得られた成形用部材の特性を、表7に示す。得られた成形用部材の耐擦傷樹脂層の硬度はHB以上であった。また、得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、9×1012Ω/□と実用上問題ないレベルの表面比抵抗を示した。また、耐擦傷性については良好なレベルであった。
実施例54において、耐擦傷樹脂層2の厚みを31μmとした以外は実施例54と同様にした。 得られた成形用部材の特性を、表7に示す。得られた成形用部材の耐擦傷樹脂層の硬度はHB以上であった。また、得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、3×1013Ω/□と実用上不十分なレベルであった。また、耐擦傷性については良好なレベルであった。
実施例51と同様の方法で積層ポリエステルフィルムを得た後、得られた積層ポリエステルフィルムの片面に実施例51と同様の方法で耐擦傷層構成液1を塗布、硬化させ、積層ポリエステルフィルムの片面に耐擦傷樹脂層1を設けた成形用部材を作成した。
インキ:帝国インキ製造(株)製INQスクリーンインキ(971);100重量部
溶剤 :帝国インキ製造(株)製F-003;10重量部
硬化剤:帝国インキ製造(株)製240硬化剤;10重量部
スクリーンメッシュ:T-225
乾燥 :80℃×10分(ボックス乾燥)
バインダー:帝国インキ製造株式会社製 IMB-003
スクリーンメッシュ:T-225
乾燥:90℃×60分(ボックス乾燥)
型締荷重:60000kgf
金型温度:50℃
成形用樹脂:住友ダウ株式会社製 PC/ABSアロイ SDポリカ IM6011
成形樹脂温度:260℃
射出速度:80mm/s
成形品寸法(L×W×H):60×60×3mm
ゲート:φ2mmピンゲート
実施例55と同様の方法で積層ポリエステルフィルムを得た後、得られた積層ポリエステルフィルムの片面に実施例55と同様の方法で耐擦傷層構成液2を塗布、硬化させ、積層ポリエステルフィルムの片面に耐擦傷樹脂層2を設けた成形用部材を作成した。その後、実施例58と同様に、得られた成形用部材に印刷インキ層、バインダー層を積層し、インサート成形を行い、成形体を得た。
下記組成で混合した水系塗剤(x-47)を用いた以外は、実施例34と同様の方法で積層ポリエステルフィルムを得た。得られた層(X)における各樹脂及び化合物の重量比率は、表3に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表3に示す。
・アクリルウレタン共重合樹脂(a-1)の水分散体:山南合成化学(株)製“サンナロン”WG-658(固形分濃度30重量%)
・イソシアネート化合物(b)の水分散体:第一工業製薬(株)製“エラストロン”H-3(固形分濃度20重量%)
・エポキシ化合物(c)の水分散体:DIC(株)製“CR-5L” (固形分濃度100重量%)
・ポリチオフェン構造を有する化合物および陰イオン構造を有する化合物からなる組成物(d-3)の水分散体(固形分濃度1.3重量%)
・オキサゾリン化合物(e)の水分散体:日本触媒(株)製“エポクロス”WS-500(固形分濃度40重量%)
・カルボジイミド化合物(f)の水分散体:日清紡(株)製“カルボジライト”V-04(固形分濃度40重量%)
・水系溶媒(G):純水
上記した(a-1)~(f)の水分散体を固形分重量比で、(a-1)/(b)/(c)/(d-3)/(e)/(f)=100/100/75/25/60/60となるように、かつ水系塗剤(x-47)の固形分濃度が3重量%となるように(G)を混合し濃度調整した。この時の水系塗剤(x-47)における各水分散体の重量組成を表5に示す。
下記組成で混合した水系塗剤(x-48)を用いた以外は、実施例34と同様の方法で積層ポリエステルフィルムを得た。得られた層(X)における各樹脂及び化合物の重量比率は、表3に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表3に示す。
・アクリルウレタン共重合樹脂(a-1)の水分散体:山南合成化学(株)製“サンナロン”WG-658(固形分濃度30重量%)
・イソシアネート化合物(b)の水分散体:第一工業製薬(株)製“エラストロン”E-37(固形分濃度28重量%)
・エポキシ化合物(c)の水分散体:ナガセケムテックス(株)製“EX-512” (固形分濃度100重量%)
・ポリチオフェン構造を有する化合物および陰イオン構造を有する化合物からなる組成物(d-3)の水分散体(固形分濃度1.3重量%)
・オキサゾリン化合物(e)の水分散体:日本触媒(株)製“エポクロス”WS-500(固形分濃度40重量%)
・カルボジイミド化合物(f)の水分散体:日清紡(株)製“カルボジライト”V-04(固形分濃度40重量%)
・水系溶媒(G):純水
上記した(a-1)~(f)の水分散体を固形分重量比で、(a-1)/(b)/(c)/(d-3)/(e)/(f)=100/100/75/25/60/60となるように、かつ水系塗剤(x-48)の固形分濃度が3重量%となるように(G)を混合し濃度調整した。この時の水系塗剤(x-48)における各水分散体の重量組成を表5に示す。
アクリルウレタン共重合樹脂(A)、イソシアネート化合物(B)、エポキシ化合物(C)、ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)の比率を、表9に記載の条件で用いた以外は、実施例1と同様の方法で積層ポリエステルフィルムを得た。用いた水系塗剤(x)における各水分散体の重量組成を表10に示す。得られた積層ポリエステルフィルムの層(X)における各樹脂及び化合物の重量比は、表9に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表9に示す。(なお、表10について、比較例1では塗剤(x-49)を、比較例2では塗剤(x-50)を用いることとし、以降の比較例も同様とした。)
実施例16において、ポリチオフェン構造を有する化合物および陰イオン構造を有する化合物からなる組成物(d-1)の水分散体(d-3)の代わりに、ポリスチレンスルホン酸アンモニウム塩(J)の水分散体を用いた。その他の条件は実施例16と同様とした。用いた水系塗剤(x)における各水分散体の重量組成を表10に示す。得られた積層ポリエステルフィルムの層(X)における各樹脂及び化合物の重量比は、表9に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表9に示す。
実施例16において、エポキシ化合物(c)の代わりに、メラミン化合物(k)(三和ケミカル(株)製“ニカラック”MW-12LF(固形分濃度71%))を用いた。その他の条件は実施例16と同様とした。用いた水系塗剤(x)における各水分散体の重量組成を表10に示す。得られた積層ポリエステルフィルムの層(X)における各樹脂及び化合物の重量比は、表9に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表9に示す。
実施例51において、水系塗剤(x-34)を用いる代わりに比較例28で用いている水系塗剤(x-76)を用いた。それ以外は実施例51と同様とした。得られた成形用部材の特性を、表11に示す。得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、5×1015Ω/□と不十分なレベルであった。また、耐擦傷性については良好なレベルであった。
実施例55において、水系塗剤(x-34)を用いる代わりに比較例28で用いている水系塗剤(x-76)を用いた。それ以外は実施例55と同様とした。得られた成形用部材の特性を、表11に示す。得られた成形用部材の耐擦傷樹脂層表面の表面比抵抗を測定したところ、4×1015Ω/□と不十分なレベルであった。また、耐擦傷性については良好なレベルであった。
実施例16においてアクリルウレタン共重合樹脂(a)の代わりに、ポリエステル樹脂(o)(高松油脂(株)製“ペスレジン”A-210(固形分濃度30%))を用いた。その他の条件は実施例16と同様とした。用いた水系塗剤(x-78)における各水分散体の重量組成を表10に示す。得られた積層ポリエステルフィルムの層(X)における各樹脂及び化合物の重量比は、表9に記載の通りである。また、得られた積層ポリエステルフィルムの特性を表9に示す。
1 相1(例えば、混合体(A+B))
2 相2(例えば、混合体(C+D))
3 ポリエステルフィルム(基材フィルム)
Claims (19)
- ポリエステルフィルムの少なくとも片面に、アクリルウレタン共重合樹脂(A)、イソシアネート化合物(B)、エポキシ化合物(C)、ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)を用いてなる層(X)が設けられ、該層(X)は連続相構造を呈することを特徴とする積層ポリエステルフィルム。
- 前記層(X)は第1の混合体と第2の混合体との連続相構造を呈し、前記第1の混合体が前記アクリルウレタン共重合樹脂(A)および前記イソシアネート化合物(B)の混合体であり、前記第2の混合体が前記エポキシ化合物(C)、前記ポリチオフェン構造を有する化合物(d-1)および前記陰イオン構造を有する化合物(d-2)の混合体であることを特徴とする請求項1に記載の積層ポリエステルフィルム。
- ポリエステルフィルムの少なくとも片面に、アクリルウレタン共重合樹脂(A)、イソシアネート化合物(B)、エポキシ化合物(C)、ポリチオフェン構造を有する化合物(d-1)および陰イオン構造を有する化合物(d-2)を用いてなる層(X)が設けられ、該層(X)における前記化合物(B)の含有量が前記樹脂(A)の100重量部に対して80~110重量部、前記化合物(C)の含有量が前記樹脂(A)の100重量部に対して60~90重量部、かつ、前記化合物(d-1)と前記化合物(d-2)の含有量の合計が前記樹脂(A)の100重量部に対して10~30重量部であることを特徴とする積層ポリエステルフィルム。
- 前記層(X)が連続相構造を呈する、請求項3に記載の積層ポリエステルフィルム。
- 前記層(X)が第1の混合体と第2の混合体との連続相構造を呈し、前記第1の混合体が前記アクリルウレタン共重合樹脂(A)および前記イソシアネート化合物(B)の混合体であり、前記第2の混合体が前記エポキシ化合物(C)、前記ポリチオフェン構造を有する化合物(d-1)および前記陰イオン構造を有する化合物(d-2)の混合体である、請求項4に記載の積層ポリエステルフィルム。
- 前記層(X)が、前記樹脂(A)の100重量部に対して、50~80重量部のオキサゾリン化合物(E)と、50~80重量部のカルボジイミド化合物(F)とを含有する、請求項1~5のいずれかに記載の積層ポリエステルフィルム。
- 成形用途に用いられる、請求項1~6のいずれかに記載の積層ポリエステルフィルム。
- 請求項1~7のいずれかに記載の積層ポリエステルフィルムを用いてなる成形用部材。
- 前記積層ポリエステルフィルムの少なくとも片側に耐擦傷樹脂層が設けられてなる成形用部材であり、該片側においてはポリエステルフィルム、層(X)、耐擦傷樹脂層をこの順に有してなり、少なくとも一方の最表層が耐擦傷樹脂層であり、該擦傷樹脂層の厚みが10~30μmであり、該擦傷樹脂層表面の表面比抵抗が1×1013Ω/□未満である、請求項8に記載の成形用部材。
- 前記積層ポリエステルフィルムの少なくとも片側に耐擦傷樹脂層が設けられてなる成形用部材であり、該片側においてはポリエステルフィルム、層(X)、耐擦傷樹脂層をこの順に有してなり、該耐擦傷樹脂層が、ポリカプロラクトン成分(K)およびウレタン成分(N)を有し、さらに、ポリシロキサン成分(L)および/またはポリジメチルシロキサン成分(M)を有する、請求項8または9に記載の成形用部材。
- 請求項8~10のいずれかに記載の成形用部材と成形用樹脂を用いてなる成形体。
- 結晶配向が完了する前のポリエステルフィルムの少なくとも片面に、塗剤(x)を塗布して層(X)を形成した後、前記ポリエステルフィルムに対して、少なくとも一方向に延伸処理および熱処理を施す積層ポリエステルフィルムの製造方法であり、該塗剤(x)がアクリルウレタン共重合樹脂(a)、イソシアネート化合物(b)、エポキシ化合物(c)、ポリチオフェン構造を有する化合物(d-1)、ならびに陰イオン構造を有する化合物(d-2)を含み、該塗剤(x)における前記化合物(b)の含有量が前記樹脂(a)の100重量部に対して80~110重量部、前記化合物(c)の含有量が前記樹脂(a)の100重量部に対して60~90重量部、かつ、前記化合物(d-1)と前記化合物(d-2)の含有量の合計が前記樹脂(a)の100重量部に対して10~30重量部であることを特徴とする積層ポリエステルフィルムの製造方法。
- 前記層(X)が第1の混合体と第2の混合体との連続相構造を呈し、前記第1の混合体がアクリルウレタン共重合樹脂(A)およびイソシアネート化合物(B)の混合体であり、前記第2の混合体がエポキシ化合物(C)、前記ポリチオフェン構造を有する化合物(d-1)および前記陰イオン構造を有する化合物(d-2)の混合体であり、前記アクリルウレタン共重合樹脂(A)が、前記アクリルウレタン共重合樹脂(a)または該アクリルウレタン共重合樹脂(a)に由来する構造を含む樹脂からなり、前記イソシアネート化合物(B)が、前記イソシアネート化合物(b)または該イソシアネート化合物(b)に由来する構造を含む樹脂からなり、前記エポキシ化合物(C)が、前記エポキシ化合物(c)または該エポキシ化合物(c)に由来する構造を含む樹脂からなる、請求項12に記載の積層ポリエステルフィルムの製造方法。
- 前記塗剤(x)が、前記樹脂(a)の100重量部に対して50~80重量部のオキサゾリン化合物(e)と、50~80重量部のカルボジイミド化合物(f)とを含有する、請求項12または13に記載の積層ポリエステルフィルムの製造方法。
- 成形用途に用いられる積層ポリエステルフィルムを製造する、請求項12~14のいずれかに記載の積層ポリエステルフィルムの製造方法。
- 請求項12~15のいずれかに記載の方法により製造された積層ポリエステルフィルムを用いて成形用部材を製造する成形用部材の製造方法。
- 前記積層ポリエステルフィルムの少なくとも片側に耐擦傷樹脂層が設けられてなる成形用部材の製造方法であって、該片側においてはポリエステルフィルム、層(X)、耐擦傷樹脂層をこの順に設け、少なくとも一方の最表層を耐擦傷樹脂層とし、該擦傷樹脂層の厚みを10~30μmとし、該擦傷樹脂層表面の表面比抵抗を1×1013Ω/□未満とする、請求項16に記載の成形用部材の製造方法。
- 前記積層ポリエステルフィルムの少なくとも片側に耐擦傷樹脂層が設けられてなる成形用部材の製造方法であって、該片側においてはポリエステルフィルム、層(X)、耐擦傷樹脂層をこの順に設け、前記積層ポリエステルフィルムの層(X)側に、耐擦傷樹脂層構成液を塗布して耐擦傷樹脂層を形成せしめ、該耐擦傷樹脂層構成液がポリカプロラクトン骨格および水酸基を有する樹脂(k)およびイソシアネート系化合物(n)を含有し、さらに、ポリシロキサン骨格を有する樹脂(l)、ポリジメチルシロキサン骨格を有する樹脂(m)、および、ポリシロキサン骨格とポリジメチルシロキサン骨格とを有する樹脂(l+m)からなる群から選ばれる何れか1つ以上の樹脂を含有する、請求項16または17に記載の成形用部材の製造方法。
- 請求項16~18のいずれかに記載の方法により製造された成形用部材と成形用樹脂とを用いて成形体を製造する成形体の製造方法。
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Cited By (8)
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JP2014121797A (ja) * | 2012-12-20 | 2014-07-03 | Mitsubishi Plastics Inc | 積層ポリエステルフィルム |
JP2014128883A (ja) * | 2012-12-28 | 2014-07-10 | Mitsubishi Plastics Inc | 積層ポリエステルフィルム |
JP2014128882A (ja) * | 2012-12-28 | 2014-07-10 | Mitsubishi Plastics Inc | 積層ポリエステルフィルム |
US10008700B2 (en) | 2013-07-29 | 2018-06-26 | Showa Denko Packaging Co., Ltd. | Packaging material and molded case |
CN110667207A (zh) * | 2013-07-29 | 2020-01-10 | 昭和电工包装株式会社 | 包装材料及成型壳体 |
JP2015057782A (ja) * | 2014-10-24 | 2015-03-26 | 昭和電工パッケージング株式会社 | 成形用包装材及び成形ケース |
WO2017131102A1 (ja) * | 2016-01-27 | 2017-08-03 | 日本ペイント・オートモーティブコーティングス株式会社 | 水性塗料組成物 |
JP2018203868A (ja) * | 2017-06-02 | 2018-12-27 | 信越ポリマー株式会社 | 導電性高分子分散液及びその製造方法、並びに導電性フィルムの製造方法 |
Also Published As
Publication number | Publication date |
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EP2684694A4 (en) | 2014-11-26 |
EP2684694B1 (en) | 2016-03-02 |
US9248629B2 (en) | 2016-02-02 |
KR20140014131A (ko) | 2014-02-05 |
CN103347693B (zh) | 2015-06-03 |
TW201244939A (en) | 2012-11-16 |
KR101929275B1 (ko) | 2018-12-14 |
KR101911302B1 (ko) | 2018-10-24 |
TWI589438B (zh) | 2017-07-01 |
US20130344320A1 (en) | 2013-12-26 |
CN103347693A (zh) | 2013-10-09 |
KR20180102216A (ko) | 2018-09-14 |
JPWO2012121149A1 (ja) | 2014-07-17 |
EP2684694A1 (en) | 2014-01-15 |
JP5626447B2 (ja) | 2014-11-19 |
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