WO2005030454A1 - セラミックグリーンシート製造用工程フィルム及びその製造方法 - Google Patents
セラミックグリーンシート製造用工程フィルム及びその製造方法 Download PDFInfo
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- WO2005030454A1 WO2005030454A1 PCT/JP2004/013645 JP2004013645W WO2005030454A1 WO 2005030454 A1 WO2005030454 A1 WO 2005030454A1 JP 2004013645 W JP2004013645 W JP 2004013645W WO 2005030454 A1 WO2005030454 A1 WO 2005030454A1
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- film
- green sheet
- ceramic green
- process film
- ceramic
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- 230000005855 radiation Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 125000004469 siloxy group Chemical group [SiH3]O* 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62218—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining ceramic films, e.g. by using temporary supports
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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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
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- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62625—Wet mixtures
- C04B35/6264—Mixing media, e.g. organic solvents
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- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/441—Alkoxides, e.g. methoxide, tert-butoxide
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6025—Tape casting, e.g. with a doctor blade
-
- 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
-
- 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
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
-
- 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
- C08J2483/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
- C08J2483/04—Polysiloxanes
-
- 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]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
-
- 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]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Definitions
- the present invention relates to a process film for manufacturing a ceramic green sheet used when manufacturing a ceramic Darline sheet used for a ceramic capacitor, a laminated inductor element, and the like, and a method for manufacturing the same. More specifically, good long-term adhesion between the silicone resin release agent and the base film is obtained, and it has excellent antistatic properties, ceramic slurry coating properties, and ceramic green sheet releasability.
- the present invention relates to a process film for manufacturing a ceramic green sheet having high flatness and a method for manufacturing the same.
- electronic components such as capacitors and inductor elements, which were previously components with leads, have a monolithic structure with internal conductors by simultaneously firing a laminate consisting of a ceramic layer and a conductive layer having a predetermined pattern shape.
- Practical use of the technology for forming slabs has made it possible to reduce the size, but further downsizing is now required.
- a slurry is prepared by mixing a high dielectric constant ceramic powder such as a compound having a perovskite-type crystal structure such as barium titanate with a binder or an organic solvent.
- a process such as a polyethylene terephthalate film is applied onto a film and dried to produce a ceramic green sheet.
- an electrode pattern is formed by screen printing or the like using a conductive paste on the dulline sheet, and then the ceramic green sheet is exfoliated in process film strength.
- a method is used in which a large number of the printed ceramic green sheets are laminated in a predetermined order, heated and pressed, cut into a desired chip shape, fired, and sintered.
- a magnetic ceramic powder such as ferrite is used, and a ceramic green sheet is formed on a process film in the same manner as described above. Make it. Next, after forming a coil pattern on the green sheet by screen printing or the like using a conductive paste, the ceramic green sheet is peeled from the process film. Next, a method of manufacturing a chip-shaped laminated inductor element in the same manner as described above is used.
- the chip-shaped ceramic capacitor and the multilayer inductor element are required to be smaller in order to meet the needs for miniaturization, and accordingly, the thickness of the ceramic green sheet is currently being reduced. 5-20 m force Thinner is required.
- the process film cannot be used with conventional ones, and furthermore, a high-performance film, that is, ceramic slurry coating property and ceramic green sheet peeling property. In addition, a process film having extremely high and flatness without heat shrinkage wrinkles is required.
- thermosetting addition reaction type silicone resin release agent As a process film, generally, a film obtained by subjecting a polyethylene terephthalate film (PET film) to a release treatment using a thermosetting addition-reaction type silicone resin release agent is used.
- PET film polyethylene terephthalate film
- the thermosetting addition reaction type silicone resin release agent must be cross-linked at a high temperature of usually 140 ° C. or higher, and as a result, the release treatment In the process, it is inevitable that heat shrinks the PET film. If the PET film has thermal shrinkage wrinkles, a problem arises in that a uniform thin film cannot be formed during the formation of the ceramic slurry.
- thermosetting addition reaction type silicone resin release agent is reduced at low temperature (110 to 130 ° C) by reducing the processing speed. Attempted to do so.
- the productivity is poor, but also the curing is insufficient, and problems such as the adhesion stability of the silicone resin to the PET film and the coatability of the ceramic slurry occur.
- a silicone resin that can be cured at a low temperature a single ultraviolet curable silicone resin having a functional group such as an epoxy group, an acrylic group, or a mercapto group is known. Not only is it difficult to obtain a grease-coated surface, but the peelability of the ceramic green sheet is poor and unstable.
- the present inventors have solved the above problem by using an addition-reaction type silicone resin composition containing a photosensitizer as a release agent, applying the composition to a specific thickness on a substrate film, A process film for manufacturing a ceramic green sheet, which is obtained by heat-curing at the above temperature and then curing by irradiating ultraviolet rays, was developed (for example, see Patent Document 1).
- a film coated with a silicone resin may cause various problems that the chargeability is high. For example, foreign matter may adhere to the surface due to charging of the surface, causing defects in the ceramic slurry applied on the film.
- the charging of the film surface may cause fluctuations in the ceramic slurry to be applied, which may make it impossible to form a uniform thin film sheet.
- peeling charging may cause a problem that peeling failure occurs and the slurry is broken.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2001-198910
- the present invention is used for producing a ceramic green sheet used for a ceramic capacitor, a laminated inductor element, or the like, and has a silicone resin composition having good adhesion to a base film.
- a process film for producing a ceramic green sheet which has a hardened layer of the product, is excellent in ceramic slurry coating properties and ceramic green sheet releasability, has unprecedented high flatness, and has a high antistatic property. It is intended for that purpose.
- the present inventors have conducted various studies to achieve the above object, and as a result, formed an undercoat layer composed of a metal alkoxide and a condensation polymer of Z or a partial hydrolyzate of a metal alkoxide on a base film.
- a process film for producing a ceramic green sheet which can solve the above-mentioned problems by applying a specific amount of a cured layer of an addition-reaction type silicone resin composition containing a photosensitizer, and performing a heat treatment and an ultraviolet irradiation treatment, has been developed.
- the inventors have found that the present invention can be obtained, and have completed the present invention. That is, the present invention
- the undercoat layer also has a metal alkoxide and / or a condensation polymer power of a partial carohydrate hydrolyzate of the metal alkoxide. becomes, hardened layer after the heat treatment the addition reaction type silicone ⁇ composition comprising a solid basis the coating amount 0. 01-0. 3gZm 2 photosensitizers at a temperature of 40- 120 ° C, ultraviolet radiation treatment Process film for manufacturing a ceramic green sheet, characterized by being cured by
- process film for manufacturing a ceramic green sheet of the present invention (hereinafter, may be simply referred to as “process film of the present invention”) comprises a base film and a metal alkoxide and Z or metal alkoxide provided thereon. With an undercoat layer that also has the condensation polymer power of the partial hydrolyzate
- a base film examples include polyester films such as polyethylene terephthalate and polyethylene naphthalate, polyolefin films such as polypropylene / polymethylpentene, polycarbonate films, and polyvinyl acetate film. And a polyester film is preferred, and a biaxially stretched polyethylene terephthalate film is particularly preferred.
- a film having a thickness of usually 12 to 125 ⁇ m is used.
- the undercoat layer provided on the base film is a condensation polymer of a metal alkoxide and a partial hydrolyzate of Z or a metal alkoxide.
- the metal alkoxide is generally represented by M (OR) n, and the metal M is not particularly limited, and includes an alkali metal such as lithium, sodium, and potassium, an alkaline earth metal such as magnesium, calcium, strontium, and norium; Periodic group 3 elements such as scandium and yttrium, Periodic group 4 elements such as titanium, zirconium, rhodium, and fumium, and Periodic group 5 elements such as vanadium, niobium, and tantalum, and molybdenum and tungsten Table Group 6 elements, group 8 elements such as iron, group 12 elements such as zinc, group 13 elements such as boron, aluminum, gallium, indium, silicon, germanium, tin, Examples include elements of the periodic table group 14 such as lead, elements of the periodic table group 15 such as phosphorus, antimony and bismuth, and lanthanoids such as lanthanum.
- an alkali metal such as lithium, sodium, and potassium
- an alkaline earth metal such as magnesium, calcium,
- Kei element is most preferred. That is, tetraalkoxysilane is most preferred.
- the above metal alkoxides may be used alone or as a mixture of a plurality of metal alkoxides.
- R represents an alkyl group, and in the present invention, an alkyl group having 11 to 10 carbon atoms is preferable. In particular, an alkyl group having 115 carbon atoms is more preferable. When a plurality of alkyl groups are present in one metal alkoxide, they may be the same or different.
- n is an integer which is an integer determined by the valence of the metal M, usually in the range of 1-5.
- metal alkoxides may be those that are partially hydrolyzed as a whole. Also, metal alkoxides are mixed with partially hydrolyzed metal alkoxides. May be.
- the method for forming the undercoat layer is not particularly limited, and various methods may be used.However, the undercoat layer may be formed by applying a coating liquid containing a metal alkoxide and Z or a partial hydrolyzate of the metal alkoxide to the base film. U ⁇ preferred.
- the coating amount of the undercoat layer in terms of solid content is not particularly limited, but is preferably in the range of 0.01 to 0.3 g / m 2 .
- the coating amount is 0.01 g / m 2 or more, uniform film formation is possible, and the adhesion between the base film and the undercoat layer and the adhesion between the undercoat layer and the cured layer are improved.
- the coating amount is 0.3 gZm 2 or less, there is an advantage that a coated surface can be obtained in a uniform state.
- the coating amount of the undercoat layer in terms of solid content is more preferably in the range of 0.05-0.2 g / m 2 .
- a commonly used method can be appropriately used, and examples thereof include a gravure coating method, a bar coating method, a spray coating method, and a spin coating method.
- metal alkoxide and Z or a partial hydrolyzate of metal alkoxide can be dissolved in a solvent for coating, and an organic solvent can be particularly preferably used.
- the organic solvent that can be used is not particularly limited, and for example, an alcohol solvent such as ethanol and isopropanol, and a ketone solvent such as methyl ethyl ketone can be used.
- the metal alkoxide and the partial hydrolyzate of Z or the metal alkoxide form a condensation polymer by a hydrolysis reaction and a polycondensation reaction, and form an undercoat layer.
- hydrochloric acid or An acid catalyst such as nitric acid may be added.
- heating is performed for the purpose of drying and promoting the polycondensation reaction of the partial hydrolyzate of the metal alkoxide and z or the metal alkoxide. Processing is preferred.
- the heating conditions are not particularly limited as long as the above-mentioned object can be achieved, but it is preferable that the heating is usually performed in the range of 40 to 120 ° C. and the heating time is about 20 seconds to 12 minutes. From the viewpoint of productivity and preventing the occurrence of heat shrinkage wrinkles, the heating temperature is more preferably in the range of 80 to 110 ° C and the heating time is preferably about 30 seconds to 1 minute.
- the weight of the condensation polymer The degree is preferably in the range of about 5 to 7,000.
- the cured layer of the silicone resin composition provided on the undercoat layer provided on the base film is an addition-reaction silicone resin containing a photosensitizer.
- the composition layer is cured by using both heat treatment and ultraviolet irradiation treatment.
- Conventional heat-curing addition reaction type silicone resin release agents require high-temperature treatment in order to obtain a stable cured film, and low-temperature treatment results in insufficient curing, resulting in poor performance. Measures to address this include increasing the amount of catalyst added and reducing the processing speed.However, an increase in the amount of catalyst added affects the pot life, and reducing the processing speed reduces productivity. Leads to a decline.
- a photosensitizer is added to a conventional thermosetting addition-reaction type silicone resin release agent, and the thermosetting and the ultraviolet curing are used in combination, so that the adhesion to the base film and the undercoat layer is improved.
- a cured layer of a silicone resin composition with good properties is formed, and there is no heat shrinkage wrinkles! / ⁇ Extremely high ⁇ Flatness, excellent ceramic slurry coating properties and stable and good ceramic green A process film having sheet releasability and antistatic properties can be obtained.
- the addition-reaction silicone resin composition containing a photosensitizer used in the present invention comprises an addition-reaction silicone resin (for example, polydimethylsiloxane having a functional group) and a cross-linking agent (for example, polymethylnodroline).
- a catalyst for example, a platinum-based catalyst
- a photosensitizer are added to a main agent consisting of a silicone resin such as gensiloxane and a crosslinking agent that also has a strength such as a silicone resin, and further, if desired, an addition reaction inhibitor, a silicone gum, A release adjuster such as silicone varnish, an adhesion improver, and the like may be added.
- addition-reaction type silicone resin various types can be used without particular limitation.
- those conventionally used as a conventional thermosetting addition-reaction type silicone resin release agent can be used.
- the addition reaction type silicone resin include, for example, at least one kind selected from neutrals of polyorganosiloxanes having an alkyl group as a functional group in the molecule.
- polydimethylsiloxane having a hexyl group as a functional group is particularly preferable because it has excellent curability, and provides stable and good green sheet releasability. .
- the crosslinking agent for example, a polyorganosiloxane having a hydrogen atom bonded to at least two silicon atoms in one molecule, specifically, a dimethylsiloxane having a terminal-blocked dimethylhydrogensiloxy group, dimethylsiloxane methylhydrogen Gensiloxane copolymer, trimethylsiloxy group terminal-blocked dimethylsiloxane-methylnodrosiloxanesiloxane copolymer, trimethylsiloxy group terminal-blocked poly (methylnodrosiloxane), poly (hydropen gensilsesquioxane) and the like.
- the amount of the cross-linking agent to be used is selected in the range of 0.1 to 100 parts by weight, preferably 0.3 to 50 parts by weight, based on 100 parts by weight of the addition reaction type silicone resin.
- silicone resin having an action of adjusting the release characteristics of the cured film examples include polyorganosiloxane, specifically trimethyl, which does not have an alkyl group bonded to a silicon atom and a hydrogen atom in the molecule.
- examples thereof include a polydimethylsiloxane endblocked with a siloxy group and a polydimethylsiloxane endblocked with a dimethylphenylsiloxy group.
- a platinum-based compound is usually used as the catalyst.
- the platinum compound include fine platinum particles, fine platinum particles adsorbed on a carbon powder carrier, chloroplatinic acid, alcohol-modified chloroplatinic acid, olefin complexes of chloroplatinic acid, palladium and rhodium catalysts. No.
- the amount of the catalyst used is about 11 to 1000 mass ppm of platinum-based metal, based on the total amount of the addition reaction type silicone resin and the crosslinking agent.
- the photosensitizer used in the addition reaction type silicone resin composition is not particularly limited, and an arbitrary one is appropriately selected from those commonly used in conventional ultraviolet curing resins. Can be used.
- the photosensitizer include benzoins, benzophenones, acetophenones, ⁇ -hydroxyketones, ⁇ -aminoketones, ⁇ -diketones, ⁇ -diketone dialkylacetals, anthraquinones, thioxanthones, And other compounds.
- examples of benzoins include benzoin, benzoin methyl ether, benzoin ethyl ether, benzoin isopropyl ether, and benzoin ⁇ butyl ether.
- examples of benzophenones include benzophenone, p-phenyl-phenzophenone, 4,4'-decylaminobenzophenone, dichlorobenzozonone, and trimethylsilyl.
- Benzophenone, 4-methoxybenzophenone, etc. are examples of acetate phenones. , 3-pentylacetophenone, propiophenone, and the like.
- Examples of ⁇ -hydroxyketones include 2-hydroxy-1- (4-isopropyl) phenyl 2-methylpropane 1-on, 2-hydroxy-2-methyl- 1—Ferre propane 1-on, 1- [4- (2-hydroxyethoxy) phenyl]-2-hydroxy-2-methylpropane 1-on, 1-hydroxycyclohexylphenol-ketone, etc. are examples of ⁇ -aminoketones.
- Examples include benzyl and diacetyl
- ⁇ -diketone dialkyl acetals include benzyl dimethyl acetal and benzyl getyl acetal
- examples of anthraquinones include 2-methylanthraquinone and 2-ethylanthraquinone.
- 2-tert-butylanthraquinone, and 2-aminoanthraquinone are examples of thioxanthones; Thioxanthone, 2-E Ji thio xanthone, 2-black port Chiokisanton, 2, 4-dimethyl thioxanthone, 2, 4 etc. GETS Chi thio xanthone and the like.
- Other compounds include, for example, tertiary amines such as triphenylamine and p-dimethylaminobenzoate, and azo compounds such as azobisisobutymouth-tolyl.
- photosensitizers may be used alone or in combination of two or more.
- the amount used is usually 0.01 to 30 parts by weight, preferably 0.05 to 20 parts by weight, based on 100 parts by weight of the total amount of the addition reaction type silicone resin and the crosslinking agent used as the main ingredient. Is selected.
- the addition reaction inhibitor is a component used for imparting storage stability to the composition at room temperature, and specific examples thereof include 3,5 dimethyl-1-hexyne-3ol, 3-methyl-1-pentene 3 ol, 3-methyl-3, pentene 1 in, 3,5 dimethyl —3—Hexene 1-in, tetrabutylsiloxane cyclic, benzotriazole, and the like.
- the present invention provides an addition-reaction silicone resin composition containing the above-described photosensitizer in a suitable organic solvent, wherein various additives used as desired are added at predetermined ratios, respectively.
- a coating liquid with the possible viscosity.
- various organic solvents can be used without particular limitation.
- hydrocarbon compounds such as toluene, hexane and heptane, as well as ethyl acetate, methyl ethyl ketone, and mixtures thereof are used.
- the coating solution thus prepared is applied to one or both surfaces of the base film by, for example, a gravure coating method, a bar coating method, a spray coating method, a spin coating method, and the like.
- An addition reaction type resin composition layer containing a photosensitizer having a coating weight per minute in the range of 0.01 to 0.3 gZm 2 is provided.
- the coating amount is 0.01 g / m 2 or more, the releasability of the ceramic green sheet is good.
- repelling can be suppressed at the time of coating the ceramic slurry. Coatability of ceramic slurry is improved.
- the coating amount is, 0. 05-0. 2gZm 2 ranges preferably tool particularly 0.1 07-0. 1 range 5GZm 2 Is preferred.
- the base film provided with the undercoat layer and the addition-reaction type silicone resin composition layer is first heat-treated at a temperature in the range of 40 to 120 ° C. And pre-curing the silicone resin composition layer.
- the heat treatment temperature is 40 ° C. or more, sufficient drying and preliminary curing are performed.
- the heat treatment temperature is 120 ° C. or less, heat shrinkage and wrinkles do not occur, which is preferable.
- the heat treatment temperature is more preferably in the range of 50 to 100 ° C. from the viewpoint of more sufficiently drying, pre-curing, and suppressing the occurrence of heat shrinkage wrinkles.
- the pre-cured layer of the silicone resin composition thus heat-treated is irradiated with ultraviolet rays in-line to be completely cured.
- a conventionally known ultraviolet lamp for example, a high-pressure mercury lamp, a metal lamp, a ride lamp, a high-power metal halide lamp, an electrodeless ultraviolet lamp, or the like can be used. Less heat damage to substrate film and silicone An electrodeless ultraviolet lamp is preferred because the resin composition layer has good curability.
- the electrodeless ultraviolet lamp includes a D bulb, an H bulb, an H + bulb, a V bulb, and the like manufactured by Fusion, but an H bulb and an H + bulb are particularly preferable.
- the UV irradiation output may be appropriately selected, but is usually 30 WZcm to 600 WZcm, preferably 50 W / cm to 360 WZcm.
- the temperature at the time of the ultraviolet irradiation treatment is not particularly limited. If the ultraviolet irradiation treatment is performed in-line, any of a heated state immediately after the heat treatment and a room temperature state may be used.
- a cured layer obtained by curing the addition-reaction type silicone resin composition on one or both sides of the base film on which the undercoat layer has been applied has good adhesion to the base film and the undercoat layer. It is formed and has extremely high flatness that eliminates heat shrinkage wrinkles, etc., and has excellent coating properties of ceramic slurry, excellent peelability of ceramic green sheets, and high antistatic properties!
- the process film of the present invention is obtained. .
- the process film of the present invention is used for producing a ceramic green sheet, and the thickness of the green sheet is preferably 20 ⁇ m or less, more preferably 10 ⁇ m or less, and particularly preferably 6 ⁇ m or less. It is.
- the ceramic green sheet to which the process film of the present invention is applied examples include a high dielectric constant ceramic green sheet used for a chip-shaped ceramic capacitor and a magnetic ceramic green sheet used for a chip-shaped multilayer inductor element.
- Ceramics having a high dielectric constant in ceramic green sheets used for ceramic capacitors include compounds having a perovskite-type crystal structure, for example, barium titanate (BaTiO), PbTiO, KNbO, Pb (NiNb) O, etc. , And Cd Nb O, PbNb
- magnetic ceramics in ceramic green sheets used for laminated inductor elements include, for example, Zn-based ferrite, Ni-based ferrite, Mn-based ferrite, and Mg-based ferrite.
- Spinel ferrites such as Ni-Zn ferrite, Mn-Zn ferrite, Mg-Zn ferrite, Ni-Cu-Zn ferrite, Mn-Mg-Zn ferrite, and hexagonal ferrite.
- a ceramic powder is mixed with a suitable solvent and a binder such as polyvinyl alcohol, carboxymethylcellulose, butyral-based binder, and acrylic-based binder to prepare a slurry. It is coated on the process film of the present invention using a blade or the like and dried to form a ceramic linen sheet having a thickness of preferably 20 ⁇ m or less, more preferably 10 m or less, and particularly preferably 6 m or less. Let it.
- the above-mentioned ceramic powder having a high dielectric constant is used as the ceramic powder
- a printed conductor paste containing a metal conductor is used for the formed green sheet
- screen printing is performed.
- a desired electrode pattern is formed.
- the monolithic structure with internal electrodes is formed by laminating this ceramic green sheet in the process film, usually laminating 100 sheets or more, heating and pressing, cutting into a desired chip shape, firing and sintering. Thus, a chip-shaped ceramic capacitor is obtained.
- the above-mentioned magnetic ceramic powder is used as the ceramic powder, and a desired coil pattern (inner conductor pattern) is formed on the ceramic green sheet in the same manner as in the case of the above-mentioned ceramic capacitor.
- a chip-shaped multilayer inductor element having a monolithic structure having an internal conductor can be obtained.
- the cured film surface of the process film was strongly rubbed ten times with a finger, and clouding (smear) and falling off (lab off) were observed, and evaluated according to the following criteria.
- a slurry having no wrinkles on the surface can be applied with a uniform thickness.
- ⁇ Force to check wrinkles on the surface
- the slurry can be applied with a uniform thickness.
- the cured film surface of the process film 30 days after the silicone treatment was strongly rubbed with a finger 10 times with a finger, and clouding (smear) and falling off (rub-off) were observed, and evaluated by the same criteria as (1).
- barium titanate (BaTiO 3) powder 100 parts by mass of barium titanate (BaTiO 3) powder, 7 parts by mass of polybutyral,
- This slurry was uniformly applied on a process film by a doctor blade method so that the thickness after drying was 3 ⁇ m, and dried to prepare a green sheet.
- An adhesive tape (manufactured by Nitto Denko Corporation, trade name: 31B tape) was stuck on the green sheet, left at 23 ° C and 50% RH for 24 hours, cut into a width of 20 mm, and then subjected to a tensile tester. Peel the process film side at a speed of lOOmZ at an angle of 180 ° and apply the force required for peeling (peeling force). Each was measured.
- a green sheet was prepared in the same manner as in (a) above, and the peelability of the release film was evaluated according to the following criteria.
- Example 1 and Comparative Example 4 were left to stand at 23 ° C and 50% RH for 24 hours to adjust the humidity, an adhesive tape was applied to the surface of the cured layer (Nitto Denko Corporation, trade name “31B tape”). ”) And left for 24 hours at 23 ° C and 50% RH.
- the film was cut to a width of 50 mm, the tape side was peeled off at a speed of 0.3 mZ at a 180 ° angle using a tensile tester, and the force required for peeling (peeling force) was measured (before polishing). .
- the Gakushin tester uses a rub-fastness tester “RT-200” manufactured by Daiei Chemical Seiki Seisaku-Sho, Ltd. Polishing is performed using unstretched polypropylene with a thickness of 80 m as a polishing piece, with a load of lkg and 50 times of polishing. (Reciprocating).
- the surface resistance value of the cured film surface was measured.
- the measurement was carried out using a measuring device consisting of “R12704 Resistivity 'Chamba” manufactured by Advantest Co., Ltd. and “Digital Elect Mouth Meter TR8652J” manufactured by Takeda Riken Kogyo Co., Ltd. The smaller the value, the higher the antistatic property. That means.
- a partial hydrolyzate of metal alkoxide As a partial hydrolyzate of metal alkoxide, a partial hydrolyzate of tetraalkoxysilane (trade name “Colcoat N-103X” manufactured by Colcoat Co., Ltd.) is diluted with isopropyl alcohol to obtain a solid content concentration of 1.5% by mass.
- a coating solution A was prepared.
- Coating solution A on a 38 ⁇ m-thick biaxially stretched polyethylene terephthalate (hereinafter abbreviated as “ ⁇ ”) film so that the coating amount of the solid content becomes 0.1 lg / m 2.
- ⁇ biaxially stretched polyethylene terephthalate
- an addition-reaction type silicone resin release agent mainly composed of a polydimethylsiloxane having a hexenyl group as a functional group and a crosslinking agent (polymethylnitrogensiloxane) (manufactured by Toray Dow Koingu Silicone Co., Ltd.) (LTC-760A) 100 parts by mass of a platinum-based catalyst (Toray's Dow Koung's Silicone Co., Ltd., trade name "SRX-212”) in an addition reaction type silicone resin composition.
- SRX-212 platinum-based catalyst
- Liquid B was prepared.
- the coating liquid B was uniformly coated on the undercoat layer using a Meyer bar so that the thickness after drying was 0.1111 (the solid coating amount was 0.1 lgZm 2 ).
- the coating amount was 0.1 lgZm 2 .
- the fat composition was cured to produce a process film. Table 1 shows the properties of this process film.
- Example 1 a process film was produced in the same manner as in Example 1, except that the temperature of the hot-air circulation dryer in the heating treatment of the coating liquid B was changed to 90 ° C. Table 1 shows the properties of this film.
- Addition-reaction type silicone resin release agent (Toray's Coking 'Silicone Co., Ltd.) with a main component consisting of polydimethylsiloxane having a butyl group as a functional group and a crosslinking agent (polymethylhydrogensiloxane).
- 100 parts by mass of SRX-211 and 2 parts by mass of a platinum-based catalyst (trade name: SRX-212, manufactured by Dow Joong Silicone Co., Ltd.) per 100 parts by mass of the base resin of the addition-reaction type silicone resin composition , 1 part by weight of photosensitizer acetophenone was added, and diluted with an organic solvent containing toluene as a main component.
- a coating liquid c for forming a cured layer of was prepared. Using this coating liquid C, a process film was produced in the same manner as in Example 1. Table 1 shows the properties of this process film.
- thermosetting silicone Shin-Etsu Chemical Co., Ltd., trade name "KS-847H”
- a curing agent Shin-Etsu Danigaku Co., Ltd., trade name "CAT-PL-50T”
- the mixture was added and diluted with toluene to prepare a coating liquid D having a solid content of 1% by mass.
- the coating liquid D was uniformly coated on a PET film using a Meyer bar so that the thickness after drying was 0 :: m (solid coating amount: 0.1 lgZm 2 ).
- Table 1 shows the properties of this process film.
- a process film was produced in the same manner as in Comparative Example 1, except that the temperature of the hot air circulation dryer was changed to 90 ° C. Table 1 shows the properties of this process film.
- Example 1 In the same manner as in Example 1, coating liquid A was uniformly coated on a 38-m-thick PET film with a Meyer bar so that the thickness after drying became 0. It was dried to form an undercoat layer.
- the coating solution D prepared in Comparative Example 1 was applied on the undercoat layer in the same manner as in the method described in Comparative Example 1, and dried to prepare a process film. Table 1 shows the properties of this process film.
- Example 1 In the same manner as in Example 1, coating liquid A was uniformly coated on a 38-m-thick PET film using a Meyer bar so that the thickness after drying became 0. It was dried to form an undercoat layer. Coating solution D prepared in Comparative Example 1 was applied on the undercoat layer in the same manner as in Comparative Example 1 except that the drying temperature was 90 ° C, and dried to prepare a process film. did. Table 1 shows the properties of this process film.
- a process film used for producing a ceramic green sheet used for a ceramic capacitor, a laminated inductor element, or the like which has good adhesion to a base material film, A process film having excellent flatness and excellent flatness as well as excellent exfoliation properties of the ceramic green sheet can be easily obtained.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Laminated Bodies (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Producing Shaped Articles From Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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US10/570,667 US20070059536A1 (en) | 2003-09-26 | 2004-09-17 | Process film for use in producing ceramic green sheet and method for production thereof |
KR1020067004481A KR101286413B1 (ko) | 2003-09-26 | 2004-09-17 | 세라믹 그린 시트 제조용 공정 필름 및 그 제조 방법 |
CN2004800203231A CN1822931B (zh) | 2003-09-26 | 2004-09-17 | 生产陶瓷坯片中使用的工程膜及其生产方法 |
GB0525867A GB2418875B (en) | 2003-09-26 | 2004-09-17 | Process film for use in producing ceramic green sheet and method for production thereof |
MXPA06003265A MXPA06003265A (es) | 2003-09-26 | 2004-09-17 | Pelicula de proceso para usar en la produccion de chapa fina de ceramica y metodo para la produccion de la misma. |
US12/710,493 US8034417B2 (en) | 2003-09-26 | 2010-02-23 | Process film for use in producing ceramic green sheet and method for production thereof |
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JP2003-334934 | 2003-09-26 | ||
JP2003334934A JP2005096336A (ja) | 2003-09-26 | 2003-09-26 | セラミックグリーンシート製造用工程フィルム及びその製造方法 |
Related Child Applications (2)
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US10/570,667 A-371-Of-International US20070059536A1 (en) | 2003-09-26 | 2004-09-17 | Process film for use in producing ceramic green sheet and method for production thereof |
US12/710,493 Division US8034417B2 (en) | 2003-09-26 | 2010-02-23 | Process film for use in producing ceramic green sheet and method for production thereof |
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WO2005030454A1 true WO2005030454A1 (ja) | 2005-04-07 |
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PCT/JP2004/013645 WO2005030454A1 (ja) | 2003-09-26 | 2004-09-17 | セラミックグリーンシート製造用工程フィルム及びその製造方法 |
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US (2) | US20070059536A1 (ja) |
JP (1) | JP2005096336A (ja) |
KR (1) | KR101286413B1 (ja) |
CN (1) | CN1822931B (ja) |
GB (1) | GB2418875B (ja) |
MX (1) | MXPA06003265A (ja) |
MY (1) | MY144052A (ja) |
TW (1) | TWI336653B (ja) |
WO (1) | WO2005030454A1 (ja) |
Cited By (1)
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TWI760159B (zh) * | 2021-03-26 | 2022-04-01 | 道登電子材料股份有限公司 | 層積型電子元件的製備方法及其所製備的層積型電子元件 |
Families Citing this family (12)
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JP5028121B2 (ja) * | 2006-04-03 | 2012-09-19 | 株式会社ソフト99コーポレーション | 親水性コーティング剤 |
JP5035023B2 (ja) * | 2008-02-29 | 2012-09-26 | Tdk株式会社 | 支持シートおよび積層セラミック電子部品の製造方法 |
JP5126525B2 (ja) * | 2008-07-10 | 2013-01-23 | 東洋紡株式会社 | 離型フィルム |
BR112013007656B1 (pt) * | 2010-09-30 | 2020-08-25 | Abb Schweiz Ag | composição iniciadora de silicone, seus usos e seu método de produção |
CN104070132B (zh) * | 2013-03-26 | 2019-05-10 | 通用电气公司 | 涂覆有耐火浆料的泡沫模样及其制造和使用方法 |
CN103553585B (zh) * | 2013-10-22 | 2016-04-27 | 瑞声声学科技(深圳)有限公司 | 铁氧体陶瓷的制备方法 |
US9496085B2 (en) | 2014-01-03 | 2016-11-15 | Hamilton Sundstrand Corporation | Method of manufacturing an inductor coil |
JP6285777B2 (ja) * | 2014-03-31 | 2018-02-28 | リンテック株式会社 | セラミックグリーンシート製造工程用剥離フィルム |
JP7102267B2 (ja) * | 2018-07-10 | 2022-07-19 | リンテック株式会社 | セラミックグリーンシート製造工程用剥離フィルム |
CN113557111B (zh) * | 2019-03-29 | 2022-10-25 | 琳得科株式会社 | 陶瓷生片制造工序用剥离膜 |
KR20220031910A (ko) * | 2019-06-28 | 2022-03-14 | 도요보 가부시키가이샤 | 세라믹 그린시트 제조용 이형 필름 |
CN112280085A (zh) * | 2020-09-24 | 2021-01-29 | 浙江日久新材料科技有限公司 | 可流延使用的低粗糙度mlcc功能离型膜及其制备方法 |
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2003
- 2003-09-26 JP JP2003334934A patent/JP2005096336A/ja active Pending
-
2004
- 2004-09-17 KR KR1020067004481A patent/KR101286413B1/ko active IP Right Grant
- 2004-09-17 WO PCT/JP2004/013645 patent/WO2005030454A1/ja active Application Filing
- 2004-09-17 MX MXPA06003265A patent/MXPA06003265A/es active IP Right Grant
- 2004-09-17 US US10/570,667 patent/US20070059536A1/en not_active Abandoned
- 2004-09-17 GB GB0525867A patent/GB2418875B/en not_active Expired - Fee Related
- 2004-09-17 CN CN2004800203231A patent/CN1822931B/zh not_active Expired - Fee Related
- 2004-09-23 TW TW93128853A patent/TWI336653B/zh active
- 2004-09-24 MY MYPI20043908A patent/MY144052A/en unknown
-
2010
- 2010-02-23 US US12/710,493 patent/US8034417B2/en not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
US8034417B2 (en) | 2011-10-11 |
GB0525867D0 (en) | 2006-02-01 |
KR20060126437A (ko) | 2006-12-07 |
US20100151141A1 (en) | 2010-06-17 |
GB2418875B (en) | 2006-11-08 |
TWI336653B (en) | 2011-02-01 |
CN1822931A (zh) | 2006-08-23 |
GB2418875A (en) | 2006-04-12 |
TW200518900A (en) | 2005-06-16 |
CN1822931B (zh) | 2011-06-15 |
MXPA06003265A (es) | 2006-06-08 |
MY144052A (en) | 2011-08-15 |
JP2005096336A (ja) | 2005-04-14 |
US20070059536A1 (en) | 2007-03-15 |
KR101286413B1 (ko) | 2013-07-18 |
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