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WO2020203567A1 - Feuille de transfert - Google Patents

Feuille de transfert Download PDF

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Publication number
WO2020203567A1
WO2020203567A1 PCT/JP2020/013387 JP2020013387W WO2020203567A1 WO 2020203567 A1 WO2020203567 A1 WO 2020203567A1 JP 2020013387 W JP2020013387 W JP 2020013387W WO 2020203567 A1 WO2020203567 A1 WO 2020203567A1
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WO
WIPO (PCT)
Prior art keywords
transfer
layer
resin
transfer layer
foil
Prior art date
Application number
PCT/JP2020/013387
Other languages
English (en)
Japanese (ja)
Inventor
寛人 松井
Original Assignee
大日本印刷株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大日本印刷株式会社 filed Critical 大日本印刷株式会社
Publication of WO2020203567A1 publication Critical patent/WO2020203567A1/fr

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Classifications

    • 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
    • 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
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/06—Interconnection of layers permitting easy separation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/382—Contact thermal transfer or sublimation processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
    • B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
    • B44C1/17—Dry transfer

Definitions

  • This disclosure relates to transfer foil.
  • the transfer layer is transferred onto the transfer target using a transfer foil having a transfer layer.
  • the transfer layer By transferring the transfer layer, the surface of the transferred body can be protected.
  • the transferred body include a thermal transfer image receiving sheet on which an image is formed, a card substrate having an image, and the like.
  • the transfer layer of the transfer foil has a single-layer structure or a laminated structure.
  • the transfer layer includes a durable layer. Examples of the durable layer include a protective layer and the like.
  • Patent Document 1 proposes a thermal transfer sheet in which a transfer layer is provided on a base material.
  • the transfer layer of the thermal transfer sheet of Patent Document 1 includes a release layer and a stress relaxation layer, and the release layer is made of an ionizing radiation curable resin. According to the thermal transfer sheet proposed in Patent Document 1, it is said that durability can be imparted to the transfer layer by increasing the hardness of the release layer with an ionizing radiation curable resin.
  • the transfer layer of the transfer foil is required to have higher durability.
  • the main subject of the present disclosure is to provide a transfer foil capable of producing a transfer product having high durability.
  • the transfer foil according to the embodiment of the present disclosure is a transfer foil in which a transfer layer is provided on a base material, and the transfer layer has a single-layer structure or a laminated structure in which a plurality of layers are laminated. , Any of the layers constituting the transfer layer contains either one or both of the silicone resin and the siloxane crosslinked resin.
  • the transfer foil according to the embodiment of the present disclosure is a transfer foil in which a transfer layer is provided on a base material, and the transfer layer has a single layer structure or a laminated structure in which a plurality of layers are laminated.
  • the transfer layer is transferred onto the transferred body to form a transfer product, and the energy dispersive X-ray analyzer is used.
  • the element weight ratio of the transfer interface layer located on the outermost surface of the transfer product was measured under the following conditions, the weight ratio of Si to the weight ratio of C was 0.15 or more, and the transfer product was used.
  • Cut out to 30 mm x 230 mm fix both ends 5 mm of the 230 mm width of the cut out transfer material to a fixing base, apply a load of 1.96 N to a white cotton cloth for rubbing impregnated with methyl ethyl ketone, and at a speed of 30 reciprocations per minute.
  • the mass reduction rate represented by the following formula (1) is 5 when a rubbing test is performed in which a 30 mm ⁇ 220 mm region of the transfer interface layer located on the outermost surface of the fixed transfer material is reciprocated 100 times in the 220 mm width direction. % Or less.
  • Mass reduction rate (%) ((mass of transfer layer before rubbing test-mass of transfer layer after rubbing test) / mass of transfer layer before rubbing test)) ⁇ 100 ... Equation (1) (Elemental weight ratio measurement conditions) ⁇ Acceleration voltage: 5kV ⁇ Measurement time: 3 minutes ⁇ Measurement magnification: 1000 times
  • the transfer foil of the present disclosure can produce a highly durable transfer product.
  • the transfer foil 100 (hereinafter referred to as the transfer foil of the present disclosure) has a base material 1 and a transfer layer 10 as shown in each figure.
  • the transfer layer 10 can be transferred to the transfer target by various transfer methods.
  • 1A, 1B, 2A, 2B, and 2C are schematic cross-sectional views showing an example of the transfer foil 100 of the present disclosure.
  • FIG. 3 is a schematic cross-sectional view showing an example of a transfer product 300 produced by transferring the transfer layer 10 of the transfer foil 100 of the present disclosure onto the transfer body 200.
  • the base material 1 and the transfer layer 10 are in direct contact with each other, but another layer may be located between the base material 1 and the transfer layer 10.
  • the transfer interface layer 10A in the present disclosure means a layer located at the transfer interface among the layers constituting the transfer layer 10.
  • the transfer interface layer 10A is synonymous with the layer located closest to the base material 1 among the layers constituting the transfer layer 10.
  • the transfer layer 10 in the present disclosure is a single-layer structure or a laminated structure including the transfer interface layer 10 located at the transfer interface.
  • the transfer layer 10 of the first embodiment satisfies the following conditions 1 and 2.
  • the transfer layer 10 is transferred onto the transfer target 200 to form a transfer product 300 (see FIG. 3).
  • the transfer interface layer 10A is located on the surface of the formed transfer material 300.
  • the element weight ratio on the surface of the transcript 300 is measured under the following element weight ratio measurement conditions. At this time, the weight ratio of Si to the weight ratio of C is 0.15 or more.
  • C is carbon and Si is silicon.
  • Mass reduction rate (%) ((mass of transfer layer before rubbing test-mass of transfer layer after rubbing test) / mass of transfer layer before rubbing test)) ⁇ 100 ... Equation (1)
  • the element weight ratio of the above condition 1 is measured in the state of the transferred product 300 in which the transfer foil is transferred onto the transferred body.
  • the target for measuring the element weight ratio is the transfer interface layer 10A located on the surface of the transfer product.
  • the energy dispersive X-ray analyzer a combination of a scanning electron microscope (SU1510, Hitachi High-Technologies Corporation) and an energy dispersive X-ray spectrometer (EDAX OCTANE PRIME AMETEK) was used.
  • EDAX OCTANE PRIME AMETEK energy dispersive X-ray spectrometer
  • the weight ratio referred to here is synonymous with the weight ratio.
  • the elements measured in the measurement of the surface of the transfer interface layer 10A are C, F, and Si, and the weight ratio of C to the total weight of these elements is 0.6 (60%) and the weight ratio of F.
  • the weight ratio of Si to the weight ratio of C is (Si weight ratio 0.2 (20%) / C. Weight ratio of 0.6 (60%)) ⁇ 0.33.
  • the elements that can be measured under the above element weight ratio measurement conditions include B, C, N, O, F, Na, Mg, Al, Si, P, S, Cl and the like.
  • the weight ratio of Si to the weight ratio of C measured by the measurement of the element weight ratio is 0.25 or more, more preferably 0.35 or more.
  • the upper limit is not limited, and as an example, it is about 0.8.
  • the measurement area of the above condition 1 is not limited, and the measurement area as an example is the central portion of the surface of the transcript 300.
  • the measurement under Condition 1 was carried out in a state where a thin film having a thickness of 10 nm or less was formed by sputtering on the surface of the transfer interface layer 10A, which is the surface of the transfer material 300.
  • the target of sputtering is Pt (platinum).
  • the transfer layer 10 of the first embodiment satisfying the above condition 1 has good slipperiness of the transfer interface layer 10A.
  • the transfer interface layer 10A having good slipperiness can slide the sharp object or the like on the surface. That is, the transfer layer 10 of the first embodiment has good scratch resistance of the transfer interface layer 10A.
  • the transfer foil 100 of the present disclosure including the transfer layer 10 of the first embodiment can produce a transferred product 300 having good surface scratch resistance by transferring the transfer layer 10 onto a transfer target.
  • the strength of the transfer interface layer 10A is affected by the resin component contained in the transfer interface layer 10A.
  • the resin component may also be referred to as a binder resin.
  • the content of the Si-based additive contained in the transfer interface layer 10A is increased, the content of the resin component with respect to the total mass of the transfer interface layer 10A is reduced by that amount, and the transfer interface layer The intensity of 10A tends to be low.
  • the strength of the transfer interface layer 10A may not be sufficiently increased even if the content of the Si-based additive is increased.
  • the Si-based additive include silicone oil and silicone particles.
  • Si-based additives are sometimes referred to as silicone-based lubricants.
  • the transfer interface layer 10A satisfies the above condition 2 together with the above condition 1.
  • Condition 2 is an index showing the strength of the transfer interface layer 10A.
  • the transfer interface layer 10A satisfying the above condition 2 has high strength.
  • the transfer foil 100 of the present disclosure including the transfer layer 10 of the first embodiment can produce a transferred product 300 having good durability by transferring the transfer layer 10 onto a transfer target.
  • the mass reduction rate of the transfer interface layer 10A in a preferable form in the measurement of the above condition 2 is 3% or less, more preferably 1.5% or less.
  • the preferred form of the transfer interface layer 10A has higher strength.
  • Condition 2 above is a method based on JIS-L-0849 (2013), and methyl ethyl ketone is used as the solvent for impregnating the white cotton cloth for friction instead of water.
  • Kanakin No. 3 was used as the white cloth for friction.
  • the load and the measurement range are as described in the above condition 2.
  • As the friction tester type II (Gakushin type), a friction tester (friction tester FR-II Suga tester Co., Ltd.) is used.
  • the test using methyl ethyl ketone is based on the finding that the mass reduction rate (%) in the measurement under the above condition 2 is related to the strength of the transfer interface layer 10A.
  • the mass of the transferred material is measured in advance, and the mass of the transferred material before the rubbing test and the rubbing test It can be calculated by subtracting the mass of the transferred material from the mass of the later transferred material.
  • the transfer layer 10 of the transfer foil 100 of the present disclosure is not limited to the following embodiments, and the transfer interface layer 10A may satisfy the above conditions 1 and 2.
  • the transfer layer 10 in the form shown in FIG. 1A has a single-layer structure composed of only the transfer interface layer 10A.
  • the transfer layer 10 in the form shown in FIG. 1B has a laminated structure in which the transfer interface layer 10A and the adhesive layer 6 are laminated in this order from the base material 1 side.
  • the transfer layer 10 is not limited to the illustrated form.
  • a primer layer (not shown) may be provided between the transfer interface layer 10A and the adhesive layer 6.
  • the transfer layer 10 having a primer layer has good adhesion between the transfer interface layer 10A and the adhesive layer 6.
  • a functional layer may be provided between the transfer interface layer 10A and the adhesive layer 6. Examples of the functional layer include a concealing layer and a colored layer. The configurations shown in each figure may be appropriately combined.
  • Transfer interface layer The components of the transfer interface layer 10A are not limited as long as the above conditions 1 and 2 can be satisfied.
  • the transfer interface layer 10A contains a silicon-containing resin.
  • the form in which the transfer interface layer 10A contains a silicon-containing resin will be mainly described.
  • the transfer interface layer 10A containing the silicon-containing resin can easily satisfy the above condition 2 by adjusting the type of the silicon-containing resin, the content of the silicon-containing resin, and the like.
  • a silicon-containing resin and a Si-based additive may be used in combination.
  • the silicon-containing resin include silicone resins, polysiloxanes, silicone modified products of various resins, and siloxane crosslinked resins. Other silicon-containing resins may be used.
  • the components exemplified above may be any of polymers, prepolymers, and oligomers.
  • the transfer interface layer 10A may contain one type of silicon-containing resin, or may contain two or more types.
  • the transfer interface layer 10A in a preferred form contains either one or both of a silicone resin and a siloxane crosslinked resin.
  • the silicone resin and the siloxane crosslinked resin can be a transfer interface layer 10A that satisfies the above conditions 1 and 2 without using a Si-based additive in combination.
  • the silicone resin and the siloxane crosslinked resin may be used in combination with a Si-based additive.
  • the content of the silicon-containing resin with respect to the total mass of the transfer interface layer 10A is not limited, and may be appropriately set within a range in which the above conditions 1 and 2 can be satisfied.
  • the transfer interface layer 10A contains a cured product of a silicon-containing resin.
  • the content of the cross-linking agent is 0.01% by mass or more and 20% by mass or less with respect to the total mass of the transfer interface layer 10A.
  • the cross-linking agent is sometimes referred to as a curing agent.
  • the transfer interface layer 10A may contain components other than the silicon-containing resin as long as the above conditions 1 and 2 are satisfied. Examples of other components include the peeling layer described later and the components described in the adhesive layer.
  • the transfer interface layer 10A as an example contains particles.
  • the transfer interface layer 10A in this form can improve the foil breakability of the transfer layer 10.
  • the particles include organic particles, inorganic particles, and organic-inorganic hybrid type particles.
  • the particles may be in the form of powder or in the form of sol. Particles as an example are fillers.
  • the thickness of the transfer interface layer 10A is not limited, but is preferably 1 ⁇ m or more and 15 ⁇ m or less, and more preferably 2 ⁇ m or more and 6 ⁇ m or less.
  • the transfer interface layer 10A having this thickness can maintain good durability and slipperiness, and has good foil breakability of the transfer layer.
  • the method for forming the transfer interface layer 10A is not limited, and a coating solution for the transfer interface layer is prepared by dispersing or dissolving a silicon-containing resin or the like in an appropriate solvent, and this coating solution is applied and dried to form the transfer interface layer 10A. It can.
  • the coating method include a gravure printing method, a screen printing method, and a reverse coating method using a gravure plate. Other coating methods can also be used. The same applies to the application method of various coating liquids described later.
  • the transfer layer 10 has a laminated structure in which the transfer interface layer 10A and the adhesive layer 6 are laminated in this order from the base material 1 side.
  • the transfer layer 10 in this form has good adhesion on the surface of the transfer layer 10.
  • components of the adhesive layer include resin components such as polyolefin, polyester, acrylic resin, epoxy resin, urea resin, melamine resin, phenol resin, polyvinyl acetate, vinyl chloride-vinyl acetate copolymer, and cyanoacrylate.
  • resin components such as polyolefin, polyester, acrylic resin, epoxy resin, urea resin, melamine resin, phenol resin, polyvinyl acetate, vinyl chloride-vinyl acetate copolymer, and cyanoacrylate.
  • polyolefin include polyurethane, ⁇ -olefin-maleic anhydride and the like.
  • the transfer layer 10 as an example has an adhesive layer 6 located on the surface.
  • the adhesive layer 6 contains a component having dye acceptability.
  • the transfer layer 10 in this form can form a thermal transfer image on the adhesive layer 6. By transferring the transfer layer 10 after forming the thermal transfer image to the transfer target, a printed matter having the thermal transfer image can be produced.
  • the transfer layer 10 as an example has a receptive layer located on the surface.
  • the receiving layer contains a component having dye acceptability.
  • the receiving layer as an example has adhesiveness.
  • Dye-accepting components include polyolefin, polyester, polyvinyl chloride, polyvinylidene chloride, polyvinyl acetate, vinyl chloride-vinyl acetate copolymer, ethylene-vinyl acetate copolymer, polyacrylic acid ester, polystyrene, polyamide. , Copolymers of olefins and other vinyl polymers, cellulose resins, polycarbonates, acrylic resins and the like can be exemplified.
  • the polyolefin include polypropylene and the like.
  • the polyester include polyethylene terephthalate and polybutylene terephthalate.
  • the component having dye acceptability may be used in combination with the component of the adhesive layer.
  • the thickness of the adhesive layer 6 is preferably 0.5 ⁇ m or more and 10 ⁇ m or less.
  • the method for forming the adhesive layer is not limited.
  • a coating liquid for an adhesive layer is prepared by dispersing or dissolving the adhesive components exemplified above in an appropriate solvent, and the coating liquid is applied. -Can be formed by drying.
  • the transfer layer 10 of the second embodiment has a single-layer structure or a laminated structure in which two or more layers are laminated.
  • any layer of the layers constituting the transfer layer 10 contains either one or both of the silicone resin and the siloxane crosslinked resin.
  • the transfer layer 10 in the form shown in FIG. 2A has a single-layer structure including only the protective layer 5.
  • the transfer layer 10 in the form shown in FIG. 2B has a laminated structure in which the protective layer 5 and the adhesive layer 6 are laminated in this order from the base material 1 side.
  • the transfer layer 10 in the form shown in FIG. 2C has a laminated structure in which the release layer 4, the protective layer 5, and the adhesive layer 6 are laminated in this order from the base material 1 side.
  • the transfer layer 10 in the form shown in FIGS. 2A, 2B, and 2C may be combined. Moreover, some configurations may be excluded. As an example, the transfer layer 10 has a laminated structure in which the release layer 4 and the protective layer 5 are laminated in this order.
  • the protective layer 5 is a peeling interface layer 10A.
  • the release layer 4 is the release interface layer 10A.
  • the silicone resin means a resin composed of siloxane bonds.
  • the silicone resin include (i) a methyl silicone resin in which an organic substituent is substituted with a methyl group, (ii) a methylphenyl silicone resin in which an organic substituent is substituted with a methyl group and a phenyl group, and (iii) various organics.
  • examples thereof include an organic resin-modified silicone resin modified with a resin.
  • the organic resin-modified silicone resin include epoxy resin-modified silicone resin, alkyd resin-modified silicone resin, and polyester-modified silicone resin.
  • the silicone resin contains a silicone oligomer.
  • Silicone resins include crosslinked silicone resins.
  • the crosslinked silicone resin is sometimes referred to as a cured silicone resin.
  • the crosslinked silicone resin means a crosslinked silicone resin.
  • the crosslinked silicone resin includes (i) a silicone resin having a silanol group crosslinked by a dehydration condensation reaction, and (ii) a silicone resin having a functional group such as an alkoxysilyl group crosslinked by a dealcohol condensation reaction. (Iii) Examples thereof include a silicone resin having a vinyl group and a hydrosilyl group crosslinked by an addition reaction by hydrosilylation using a platinum catalyst or the like.
  • the kinematic viscosity of the silicone resin at 25 ° C. is preferably 10 mm 2 / s or less.
  • the kinematic viscosity at 25 ° C. in the present disclosure can be measured using a kinematic viscosity measuring device (iVisc Co., Ltd. Rika Ikeda).
  • the siloxane crosslinked resin is a crosslinked resin obtained by crosslinking an alkoxysilyl group-containing resin. Crosslinking is sometimes referred to as hardening.
  • the siloxane crosslinked resin is a resin in which a crosslinked structure of "Si—O—Si” is formed by hydrolysis of the alkoxysilyl group of the alkoxysilyl group-containing resin and silanol reaction. Examples of the following M unit, D unit, T unit, and Q unit can be exemplified as the basic structural unit of the silicon polymer forming the crosslinked structure of "Si—O—Si".
  • the "R” in each unit is an organic substituent.
  • the siloxane crosslinked resin having the basic structural unit of the silicon polymer as the T unit has a three-dimensional crosslinked structure, and the strength of the layer containing the siloxane crosslinked resin can be further increased.
  • alkoxysilyl group-containing resin examples include an alkoxysilyl group-containing acrylic resin, an alkoxysilyl group-containing polyester, an alkoxysilyl group-containing epoxy resin, an alkoxysilyl group-containing alkyd resin, an alkoxysilyl group-containing fluorine resin, an alkoxysilyl group-containing polyurethane, and an alkoxysilyl group.
  • alkoxysilyl group-containing resin examples include an alkoxysilyl group-containing acrylic resin, an alkoxysilyl group-containing polyester, an alkoxysilyl group-containing epoxy resin, an alkoxysilyl group-containing alkyd resin, an alkoxysilyl group-containing fluorine resin, an alkoxysilyl group-containing polyurethane, and an alkoxysilyl group.
  • examples thereof include a group-containing phenol resin and an alkoxysilyl group-containing melamine resin.
  • alkoxysilyl group examples include a
  • the alkoxysilyl group-containing resin includes a resin into which an alkoxysilyl group has been introduced and an alkoxysilyl group-modified resin.
  • the siloxane cross-linked resin obtained from the alkoxysilyl group-containing resin include siloxane-crosslinked acrylic resin, siloxane-crosslinked polyester, siloxane-crosslinked epoxy resin, siloxane-crosslinked alkyd resin, siloxane-crosslinked fluororesin, siloxane-crosslinked polyurethane, siloxane-crosslinked phenol resin, and siloxane-crosslinked.
  • Examples include melamine resin and the like.
  • siloxane crosslinked acrylic resin is preferable.
  • the forms of the siloxane crosslinked acrylic resin include (i) an alkoxysilyl group in which the main chain of one acrylic resin is crosslinked, (ii) an alkoxysilyl group in the main chain of one acrylic resin, and another one. Examples thereof include a crosslinked alkoxysilyl group of the main chain of one acrylic resin, and a combination of (i) and (ii).
  • the siloxane crosslinked resin may be a resin obtained by cross-linking an alkoxysilyl group-containing resin with a cross-linking agent.
  • the cross-linking agent may be appropriately selected depending on the alkoxysilyl group-containing resin.
  • examples of the cross-linking agent include a zirconia-based cross-linking agent, an aluminum-based cross-linking agent, a titanium-based cross-linking agent, and a tin-based cross-linking agent.
  • the content of the cross-linking agent is not limited, and as an example, it is 0.01% by mass or more and 20% by mass or less with respect to the total mass of the resin composition for forming the layer containing the siloxane crosslinked resin.
  • the silicone resin and the siloxane crosslinked resin are collectively referred to as the first group of resins.
  • the resin of the first group may be read as a silicone resin.
  • the resin of the first group may be read as a siloxane crosslinked resin.
  • the resin of the first group may be read as a silicone resin or a siloxane crosslinked resin.
  • the resin of the first group may be read as a silicone resin and a siloxane crosslinked resin.
  • the peeling interface layer 10A contains the resin of the first group.
  • the transfer layer 10 of the second embodiment as an example has a laminated structure, and a layer different from the peeling interface layer 10A contains the resin of the first group.
  • the transfer layer 10 of the second embodiment as an example has a laminated structure, and two or more layers contain the resin of the first group.
  • the transfer layer 10 of the second embodiment has good slipperiness of the layer containing the resin of the first group.
  • the layer containing the resin of the first group has high strength.
  • the transfer foil 100 of the present disclosure including the transfer layer 10 of the second embodiment can produce a transferred product 300 having good durability and scratch resistance by transferring the transfer layer 10 onto a transfer target.
  • the transfer layer 10 has a laminated structure in which three or more layers are laminated, and the layer containing the resin of the first group is sandwiched between other layers constituting the transfer layer 10.
  • the transfer layer 10 as an example has a laminated structure, the transfer interface layer 10A does not contain the resin of the first group, and the layer not located at the transfer interface contains the resin of the first group.
  • the protective layer 5 contains the resin of the first group.
  • the release layer 4 containing no resin of the first group is located on the surface of the transfer product 300 produced by transferring the transfer layer 10 onto the transfer target 200.
  • the protective layer 5 containing the resin of the first group is expressed on the surface.
  • the protective layer 5 expressed on the surface can ensure the durability and scratch resistance of the transcript 300.
  • the degree of freedom in designing the release layer 4 can be increased. That is, the functions of the release layer 4 and the protective layer 5 can be separated, and various functions can be imparted to the release layer 4.
  • the content of the resin of the first group is not limited, and the layer containing the resin of the first group is said to be the same as the layer containing no resin of the first group, regardless of the content.
  • the strength and slipperiness of the layer are good.
  • the content of the resin in the first group is preferably more than 50% by mass, more preferably 65% by mass or more, based on the total mass of the layers containing the resin in the first group.
  • the layer containing the resin of the first group may contain one kind of resin of the first group, or may contain two or more kinds.
  • the layer containing the resin of the first group may contain a component other than the resin of the first group (hereinafter, referred to as another component).
  • the other components may be appropriately selected according to the function of the layer containing the resin of the first group.
  • any layer constituting the transfer layer 10 contains the resin of the first group.
  • the layer containing the resin of the first group may contain the components exemplified in each layer.
  • the adhesive layer 6 is a layer containing the resin of the first group, it is preferable that the adhesive layer 6 contains the adhesive component exemplified above together with the resin of the first group.
  • the peeling interface layer 10A contains the resin of the first group.
  • the protective layer 5 contains the resin of the first group.
  • the release layer 4 contains the resin of the first group.
  • a plurality of layers may contain the resin of the first group.
  • the resin of the first group contained in one layer constituting the transfer layer 10 and the resin of the first group contained in the other layer constituting the transfer layer 10 may be the same. , May be different.
  • the transfer layer 10 has a laminated structure, one layer constituting the transfer layer 10 contains a siloxane crosslinked resin, and the other one layer constituting the transfer layer 10 contains a silicone resin.
  • the components of the release layer 4 include an ethylene-vinyl acetate copolymer, a vinyl chloride-vinyl acetate copolymer, a maleic acid-modified vinyl chloride-vinyl acetate copolymer, a polyamide, polyester, polyethylene, and an ethylene-isobutyl acrylate copolymer. , Butyral, polyvinyl acetate, and copolymers thereof, ionomer resin, acid-modified polyolefin, (meth) acrylic resin, acrylic acid ester resin, ethylene- (meth) acrylic acid copolymer, ethylene- (meth) acrylic acid ester.
  • Copolymer polymethylmethacrylate, cellulose resin, polyvinyl ether, polyurethane, polycarbonate, polypropylene, epoxy resin, phenol resin, vinyl resin, maleic acid resin, alkyd resin, polyethylene oxide, urea resin, melamine resin, melamine-alkyd resin, Silicone resin, rubber resin, styrene-butadiene-styrene block copolymer (SBS), styrene-isoprene-styrene block copolymer (SIS), styrene-ethylene-butylene-styrene block copolymer (SEBS), styrene- Examples thereof include an ethylene-propylene-styrene block copolymer (SEPS).
  • the release layer 4 may contain other components.
  • the method for forming the release layer is not limited.
  • a coating solution for a release layer in which the above components are dispersed or dissolved in an appropriate solvent can be prepared, and this coating solution can be applied and dried to form the release layer.
  • the thickness of the release layer 4 is not limited, but is preferably 1 ⁇ m or more and 15 ⁇ m or less.
  • Examples of the component of the protective layer 5 include the components exemplified in the release layer 4, polystyrene, acrylic resin, polyurethane, acrylic urethane, a resin obtained by silicone-modifying each of these resins, and a cured product of an active photocurable resin. Examples thereof include a mixture of each resin.
  • the protective layer 5 may contain other components.
  • the active photocurable resin in the present disclosure means a precursor or a composition before irradiation with active light.
  • the active ray in the present disclosure means a radiation capable of chemically acting on an active photocurable resin to promote polymerization. Examples of active rays include visible rays, ultraviolet rays, X-rays, electron beams, ⁇ rays, ⁇ rays, and ⁇ rays.
  • the method for forming the protective layer is not limited, and for example, a coating solution for a protective layer in which the above components are dispersed or dissolved in an appropriate solvent can be prepared, and this coating solution can be applied and dried to form the protective layer.
  • the thickness of the protective layer 5 is not particularly limited, and is generally 0.5 ⁇ m or more and 10 ⁇ m or less.
  • the transfer layer 10 as an example includes a layer containing particles.
  • the release layer 4 and the protective layer 5 contain particles.
  • the transfer layer 10 in this form has good foil breakability of the transfer layer 10.
  • Adhesive layer As the adhesive layer 6, the adhesive layer 6 described in the transfer layer 10 of the first embodiment can be appropriately selected and used.
  • the release layer 4, the protective layer 5, and the adhesive layer 6 have been described as examples of the layers constituting the transfer layer 10, but the transfer layer 10 of the second embodiment has been exemplified above.
  • Various functional layers may be included together with or in place of the layers exemplified above. Examples of the functional layer include a concealing layer and a colored layer.
  • the transfer layer 10 as an example has a functional layer containing the resin of the first group.
  • the transfer layer 10 in the present disclosure includes the transfer layer 10 of the first embodiment and the second embodiment.
  • the transfer layer 10 as an example of the present disclosure is a combination of the configurations described in the transfer layer of the first embodiment and the transfer layer of the second embodiment.
  • the base material 1 holds a transfer layer 10 or the like provided on one surface side of the base material 1.
  • the base material 1 is not limited to polyester, polycarbonate, polyimide, polyetherimide, cellulose derivative, polyethylene, polypropylene, styrene resin, acrylic resin, polyvinyl chloride, polyvinylidene chloride, nylon, polyetheretherketone, etc. Can be exemplified. Examples of the base material 1 include various plastic films and various sheets.
  • the thickness of the base material 1 is not limited, and is generally 2.5 ⁇ m or more and 100 ⁇ m or less.
  • the base material 1 may be one in which a plurality of constituent members are laminated.
  • any layer may be provided between the base material 1 and the transfer layer 10.
  • a release layer or the like can be exemplified.
  • a plurality of layers may be provided between the base material 1 and the transfer layer 10.
  • One surface of the base material 1 and any one or both surfaces of the other surface may be surface-treated.
  • the base material 1 has a surface treatment on the surface on the transfer layer 10 side.
  • the surface treatment method include corona discharge treatment, flame treatment, ozone treatment, ultraviolet treatment, radiation treatment, roughening treatment, chemical treatment, plasma treatment, low temperature plasma treatment, primer treatment, and grafting treatment. ..
  • the surface treatment includes a treatment layer for treating the surface of the base material 1.
  • the primer treatment also includes providing a primer layer.
  • a release layer (not shown) may be provided between the base material 1 and the transfer layer 10.
  • the components of the release layer include waxes, silicone wax, silicone resin, silicone-modified resin, fluororesin, fluorine-modified resin, polyvinyl alcohol, acrylic resin, heat-crosslinkable epoxy-amino resin, and heat-crosslinkable alkyd-amino resin. Etc. can be exemplified.
  • the thickness of the release layer is generally 0.5 ⁇ m or more and 5 ⁇ m or less.
  • the method for forming the release layer is not limited.
  • a coating solution for a release layer is prepared by dispersing or dissolving the above components in an appropriate solvent, and the coating solution is applied onto the base material 1. Can be formed by drying.
  • a back layer When the surface of the transfer layer 10 of the base material 1 is one surface and the opposite surface is the other surface, a back layer (not shown) may be provided on the other surface side of the base material 1.
  • the components of the back layer include polyester, polyvinyl acetate, polyvinyl acetate, styrene acrylate resin, polyurethane, polyethylene, polypropylene and other polyolefins, polystyrene, polyvinyl chloride, polyether, polyamide, polyimide, polyamideimide, polycarbonate, poly. Examples thereof include polyvinyl acetals such as acrylamide, polyvinyl chloride, polyvinyl butyral, and polyvinyl acetacetal, silicone modified products thereof, and the resins of the first group.
  • the back layer contains various additives.
  • the additive include a mold release agent, organic particles, inorganic particles, and the like.
  • the release agent include wax, higher fatty acid amide, phosphoric acid ester compound, metal soap, silicone oil, and surfactant.
  • the organic particles include organic powders such as fluororesin.
  • the inorganic particles include silica, clay, talc, and calcium carbonate.
  • the thickness of the back layer is preferably 0.1 ⁇ m or more and 5 ⁇ m or less, and more preferably 0.3 ⁇ m or more and 2 ⁇ m or less.
  • a back primer layer (not shown) may be provided between the base material 1 and the back layer.
  • the components of the back primer layer include polyester, polyurethane, acrylic resin, polycarbonate, polyamide, polyimide, polyamide-imide, vinyl chloride-vinyl acetate copolymer, polyvinyl butyral, polyvinyl alcohol, polyvinylpyrrolidone and the like.
  • Color material layer Various color material layers may be provided in sequence with the transfer layer on the same surface as the surface on which the transfer layer of the base material 1 is provided.
  • the color material layer include a color material layer containing a sublimation dye and a color material layer containing molten ink.
  • a yellow color material layer, a magenta color material layer, a cyan color material layer, a black color material layer, and the like may be provided in sequence.
  • “1 unit” may be repeatedly provided on the base material 1.
  • the transfer foil 100 of the present disclosure is used for transferring the transfer layer 10 onto the transfer target 200 to produce a transfer product 300 (see FIG. 3).
  • the transfer method of the transfer layer 10 to the transfer target 200 is not limited, and conventionally known transfers such as a thermal transfer method, an in-mold transfer method, a TOM (Three dimension Overlay Method) molding transfer method, a hydraulic transfer method, and a pressure-sensitive transfer method are used. The method can be exemplified.
  • the transferred body 200 to which the transfer layer 10 of the transfer foil 100 of the present disclosure is transferred is not limited, and examples thereof include a paper base material, a resin base material, wood, a glass base material, a metal base material, and a ceramic base material.
  • the transferred body may have a curvature, an uneven structure, or the like in whole or in part.
  • the transferred body 200 may be colored or may have transparency.
  • the transferred body may be a thermal transfer image receiving sheet.
  • the transferred body may be one on which a predetermined image is formed.
  • the transferred body 200 may be a stack of a plurality of members.
  • Examples of the paper base material include plain paper, woodfree paper, natural fiber paper, coated paper, tracing paper and the like.
  • Examples of the resin base material include forms such as a film and a card.
  • Examples of the card include an IC card and an ID card.
  • Examples of the resin base material include polycarbonate, acrylic resin, acrylonitrile-butadiene-styrene (ABS) resin, vinyl chloride, and vinyl chloride-vinyl acetate copolymer.
  • ABS acrylonitrile-butadiene-styrene
  • vinyl chloride vinyl chloride-vinyl acetate copolymer.
  • the metal base material aluminum or the like can be exemplified.
  • Examples of the ceramic base material include pottery and the like.
  • each layer various components are exemplified as the components of each layer, but for each layer, one type may be used alone or two or more types may be used in combination.
  • Each layer may contain a component different from the components exemplified above.
  • the transfer foil according to the embodiment of the present disclosure is a transfer foil in which a transfer layer is provided on a base material, and the transfer layer has a single-layer structure or a laminated structure in which a plurality of layers are laminated.
  • Any of the layers constituting the transfer layer contains either one or both of the silicone resin and the siloxane crosslinked resin, and satisfies one or more of the following (i) to (iii).
  • the transfer foil according to the embodiment of the present disclosure satisfies a plurality of the following (i) to (iv), any of the following (i) to (iv) may be combined.
  • any layer constituting the transfer layer contains the siloxane crosslinked resin, and the siloxane crosslinked resin is a siloxane crosslinked acrylic resin.
  • the transfer interface layer is the silicone resin and siloxane crosslinked. Contains either one or both of the resins.
  • the transfer interface layer contains the siloxane crosslinked resin.
  • the siloxane crosslinked resin is a siloxane crosslinked acrylic resin.
  • the transfer foil according to the embodiment of the present disclosure is a transfer foil in which a transfer layer is provided on a base material, and the transfer layer has a laminated structure including a receiving layer located on the surface, and the transfer layer.
  • the transfer layer is transferred onto the transferred body to form a transfer product, and the energy dispersive X-ray analyzer is used to form the transfer product.
  • the element weight ratio of the transfer interface layer located on the outermost surface of the transfer material is measured under the following conditions, the weight ratio of Si to the weight ratio of C is 0.15 or more, and the transfer product is 30 mm ⁇ 230 mm.
  • the cut-out transfer product was cut out, and both ends 5 mm of the 230 mm width of the cut-out transfer material were fixed to a fixing base, and a load of 1.96 N was applied to a white cotton cloth for rubbing impregnated with methyl ethyl ketone, and the fixed transfer material was applied at a speed of 30 reciprocations per minute.
  • the mass reduction rate represented by the following equation (1) is 5% or less when a rubbing test is performed in which a region of 30 mm ⁇ 220 mm of the transfer interface layer located on the outermost surface of the above is reciprocated 100 times in the 220 mm width direction. ..
  • Mass reduction rate (%) ((mass of transfer layer before rubbing test-mass of transfer layer after rubbing test) / mass of transfer layer before rubbing test)) ⁇ 100 ... Equation (1) (Elemental weight ratio measurement conditions) ⁇ Acceleration voltage: 5kV ⁇ Measurement time: 3 minutes ⁇ Measurement magnification: 1000 times
  • Example 1 A polyethylene terephthalate film having a thickness of 16 ⁇ m was used as a base material, and a transfer interface layer coating liquid 1 having the following composition was applied and dried on one surface of the base material to form a transfer interface layer having a thickness of 1 ⁇ m. .. Next, a coating liquid for an adhesive layer having the following composition was applied and dried on the transfer interface layer to form an adhesive layer having a thickness of 1 ⁇ m, whereby the transfer interface layer and the adhesive layer were provided on the base material. The transfer foil of Example 1 was obtained. The transfer interface layer and the adhesive layer form a transfer layer.
  • ⁇ Coating liquid for adhesive layer > ⁇ 20 parts of polyester (Byron (registered trademark) 200 Toyobo Co., Ltd.) ⁇ 10 parts of UV absorber copolymer (UVA-635L BASF Japan Ltd.) ⁇ 40 parts of methyl ethyl ketone ⁇ 40 parts of toluene
  • Example 2 The transfer foil of Example 2 was used in the same manner as in Example 1 except that the coating liquid 1 for the transfer interface layer was changed to the coating liquid 2 for the transfer interface layer having the following composition to form the transfer interface layer. Obtained.
  • ⁇ Coating liquid 2 for transfer interface layer > -Alkoxysilyl group-containing acrylic resin (solid content 50%) 170 parts (Acryt (registered trademark) 8SQ-1020 Taisei Fine Chemicals Co., Ltd.) ⁇ Silicone graft acrylic polymer (solid content 30%) 16.7 parts (Simac (registered trademark) Toagosei Co., Ltd.) ⁇ Silicone resin fine particles 5 parts (Tospearl (registered trademark) 240 Momentive Performance Materials Japan GK) ⁇ Crosslinking agent 5 parts (Neostan (registered trademark) U-830 Nitto Kasei Co., Ltd.) ⁇ 203 parts of methyl ethyl ketone
  • Example 3 The transfer foil of Example 3 was used in the same manner as in Example 1 except that the coating liquid 1 for the transfer interface layer was changed to the coating liquid 3 for the transfer interface layer having the following composition to form the transfer interface layer. Obtained.
  • Example 4 The transfer foil of Example 4 was used in the same manner as in Example 1 except that the coating liquid 1 for the transfer interface layer was changed to the coating liquid 4 for the transfer interface layer having the following composition to form the transfer interface layer. Obtained.
  • Comparative Example 1 The transfer foil of Comparative Example 1 was used in the same manner as in Example 1 except that the coating liquid 1 for the transfer interface layer was changed to the coating liquid A for the transfer interface layer having the following composition to form the transfer interface layer. Obtained.
  • ⁇ Coating liquid A for transfer interface layer > ⁇ 100 copies of acrylic resin (Dianal (registered trademark) BR-87 Mitsubishi Chemical Corporation) ⁇ 300 parts of methyl ethyl ketone
  • Comparative Example 2 The transfer foil of Comparative Example 2 was used in the same manner as in Example 1 except that the coating liquid 1 for the transfer interface layer was changed to the coating liquid B for the transfer interface layer having the following composition to form the transfer interface layer. Obtained.
  • ⁇ Coating liquid B for transfer interface layer > -Vinyl chloride-vinyl acetate copolymer 100 parts (Solvine (registered trademark) CNL Nissin Chemical Industry Co., Ltd.) ⁇ 300 parts of methyl ethyl ketone
  • Example 5 A polyethylene terephthalate film having a thickness of 16 ⁇ m was used as a base material, and a coating liquid for a release layer having the following composition was applied and dried on one surface of the base material to form a release layer having a thickness of 1 ⁇ m. Next, a protective layer coating liquid 1 having the following composition was applied and dried on the release layer to form a protective layer having a thickness of 1 ⁇ m. Next, a coating liquid for an adhesive layer having the above composition was applied and dried on the protective layer to form an adhesive layer having a thickness of 1 ⁇ m, whereby a release layer, a protective layer, and an adhesive layer were provided on the base material. The transfer foil of Example 5 was obtained.
  • the release layer, the protective layer, and the adhesive layer form a transfer layer.
  • the protective layer coating liquid 1 is a coating liquid common to the transfer interface layer coating liquid 1, and is the transfer foil of Example 1 when the composition of the release layer is removed from the transfer foil of Example 5. ..
  • ⁇ Coating liquid for release layer > ⁇ 29 parts of acrylic resin (Dianal (registered trademark) BR-87 Mitsubishi Chemical Corporation) ⁇ Part 1 of polyester (Byron (registered trademark) 200 Toyobo Co., Ltd.) ⁇ 35 parts of methyl ethyl ketone ⁇ 35 parts of toluene
  • Comparative Example 3 The transfer foil of Comparative Example 3 was obtained in the same manner as in Example 5 except that the coating liquid 1 for the protective layer was changed to the coating liquid A for the protective layer having the following composition to form the protective layer.
  • the protective layer coating liquid A is a coating liquid common to the transfer interface layer coating liquid A, and is the transfer foil of Comparative Example 1 when the composition of the release layer is removed from the transfer foil of Comparative Example 3. ..
  • ⁇ Coating liquid A for protective layer > ⁇ 100 copies of acrylic resin (Dianal (registered trademark) BR-87 Mitsubishi Chemical Corporation) ⁇ 300 parts of methyl ethyl ketone
  • the transfer foils of the respective Examples and Comparative Examples were combined with the transferred material prepared above, and a laminator (THS330, Meiko Shokai Co., Ltd.) was used at 120 ° C., 16 mm / sec. Under the conditions of, the transfer layer of the transfer foil of each Example and Comparative Example was transferred onto the transfer target, and the transfer products of each Example and Comparative Example in which the transfer layer was transferred onto the transfer target were obtained. It was.
  • the transfer interface layer is located on the surface of the transcripts of Examples 1 to 4 and Comparative Examples 1 and 2, and the release layer is located on the surface of the transcripts of Examples 5 and 3.
  • A There are no scratches on the surface of the transcript.
  • B Fine scratches are generated on the surface of the transcript.
  • NG Large scratches are generated on the surface of the transcript.
  • the transcripts of each of the Examples and Comparative Examples formed above were subjected to a wear wheel CS-10F and a load of 500 gf (4) using a Taber tester (No. 101-H Taber Wear Tester Co., Ltd. Yasuda Seiki Seisakusho Co., Ltd.). .9N), the wear test was carried out under the condition of 500 cycles, the state of the image (gray image) of the transferred product after the wear test was visually confirmed, and the image durability was evaluated based on the following evaluation criteria. ..
  • the evaluation results are also shown in Table 1.
  • the abrasion test is a test that is an index showing the strength of the transfer layer, and a good evaluation by the abrasion test indicates that the strength of the transfer layer is good.
  • A There are no scratches on the image.
  • B There are small scratches on the image, but there is no problem in use.
  • NG There are large scratches on the image.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une feuille de transfert apte à produire un produit de transfert ayant une bonne durabilité et une bonne résistance aux rayures. Cette feuille de transfert (100) a une couche de transfert (10) disposée sur un substrat (1). La couche de transfert (10) est une structure monocouche ou une structure stratifiée obtenue par stratification de multiples couches. L'une quelconque des couches formant la couche de transfert contient une résine de silicone et/ou une résine réticulée de siloxane.
PCT/JP2020/013387 2019-03-29 2020-03-25 Feuille de transfert WO2020203567A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-066863 2019-03-29
JP2019066863 2019-03-29

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Publication Number Publication Date
WO2020203567A1 true WO2020203567A1 (fr) 2020-10-08

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WO (1) WO2020203567A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05246001A (ja) * 1992-03-04 1993-09-24 Toppan Printing Co Ltd 装飾外装シートの製造方法およびそれに用いる転写シート
JPH10147098A (ja) * 1996-11-20 1998-06-02 Dainippon Printing Co Ltd 化粧材及びその製造に用いる転写シート
WO2001025362A1 (fr) * 1999-10-01 2001-04-12 Nippon Soda Co., Ltd. Feuille de transfert de photocatalyseur

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05246001A (ja) * 1992-03-04 1993-09-24 Toppan Printing Co Ltd 装飾外装シートの製造方法およびそれに用いる転写シート
JPH10147098A (ja) * 1996-11-20 1998-06-02 Dainippon Printing Co Ltd 化粧材及びその製造に用いる転写シート
WO2001025362A1 (fr) * 1999-10-01 2001-04-12 Nippon Soda Co., Ltd. Feuille de transfert de photocatalyseur

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