WO2016152918A1 - Feuille de transfert - Google Patents

Feuille de transfert Download PDF

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Publication number
WO2016152918A1
WO2016152918A1 PCT/JP2016/059185 JP2016059185W WO2016152918A1 WO 2016152918 A1 WO2016152918 A1 WO 2016152918A1 JP 2016059185 W JP2016059185 W JP 2016059185W WO 2016152918 A1 WO2016152918 A1 WO 2016152918A1
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WO
WIPO (PCT)
Prior art keywords
transfer foil
transfer
layer
intermediate layer
wax
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2016/059185
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English (en)
Japanese (ja)
Inventor
禄浩 今倉
服部　良司
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co Ltd
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
Priority claimed from JP2016057423A external-priority patent/JP6658175B2/ja
Application filed by Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to CN201680012861.9A priority Critical patent/CN107405887B/zh
Priority to US15/555,627 priority patent/US10493730B2/en
Priority to EP16768821.7A priority patent/EP3275647B1/fr
Publication of WO2016152918A1 publication Critical patent/WO2016152918A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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

Definitions

  • the present invention relates to a transfer foil having good transferability. More specifically, the transfer foil can impart sufficient durability performance to the surface of a transfer object, and is excellent without causing transfer defects such as tailing and burrs.
  • the present invention relates to a transfer foil having excellent peeling stability.
  • IC cards such as ID cards such as ID cards and cash cards such as banks have individual information such as face photos, addresses and names recorded on the surface, and security processing is applied to prevent the contents from being forged or altered. Has been.
  • IC cards provided with holograms on the surface are widely distributed.
  • a transfer layer is provided using a transfer foil in order to protect recorded information and holograms.
  • the transfer foil has a configuration in which a transfer layer including a protective layer that can be transferred is provided on a base material, and the transfer layer is transferred onto the surface of the transfer target such as an IC card. Durability such as solvent resistance and wear resistance can be imparted to the surface. In addition, since the transfer layer is more easily peeled off from the base material, the transfer efficiency is improved. Therefore, the transfer layer is preferably adhered to the base material with the minimum necessary adhesive force. If the adhesive force between the substrate and the substrate is too weak, transfer defects such as so-called tailing and burrs are generated, in which a transfer layer where transfer is not scheduled is also transferred to the transfer target.
  • the protective layer provided using the transfer foil bears the protection of the surface of the transferred object such as an IC card, the protective layer is required to have high surface strength. Therefore, a protective layer is formed using an actinic ray curable resin that is cured by ultraviolet rays or the like.
  • a mold release containing a melamine resin is performed. Even when a layer is provided, the foil breakage may deteriorate, or depending on the resin used, the adhesive force between the transfer layer and the substrate may be excessively reduced, or the surface strength of the protective layer may be reduced. The problem that it ends up has arisen.
  • the present inventors have now found that the above-mentioned transfer failure is due to some interaction between the component in the resin used for the protective layer and the melamine resin in the release layer. Further, the present inventors have found that the peeling force at the time of transferring the protective layer from the transfer foil is not uniform, resulting in a transfer failure. Based on these findings, by providing an intermediate layer containing a wax and a rubber component between the transfer foil substrate and the release layer, transfer defects such as tailing and burrs can be improved and uniform. The knowledge that peeling force can be given was acquired. The present invention is based on such knowledge.
  • an object of the present invention is to provide a transfer foil that can impart sufficient durability performance to the surface of a transfer object, and does not cause transfer defects such as tailing and burrs, and has excellent peeling stability. It is to be.
  • the transfer foil according to the present invention comprises a base material, a release layer provided on the base material, an intermediate layer provided on the release layer, and a protective layer provided on the intermediate layer.
  • the intermediate layer contains a wax component and a rubber component
  • the protective layer contains an actinic ray curable resin
  • a transfer foil comprising at least a base material, a release layer, an intermediate layer containing a wax component and a rubber component, and a protective layer containing an actinic ray curable resin on the base material.
  • the intermediate layer preferably contains styrene-butadiene rubber as a rubber component.
  • the intermediate layer preferably contains polyethylene wax as a wax component.
  • the intermediate layer preferably contains carnauba wax as a wax component.
  • the blending ratio of polyethylene wax and carnauba wax is preferably 1/8 or more and 8 or less on a mass basis.
  • the rubber component preferably has a particle shape having a volume average particle diameter of 80 nm or more and 250 nm or less.
  • the rubber component is preferably contained in the intermediate layer in an amount of 0.01% by mass to 20% by mass.
  • the thickness of the intermediate layer is 0.05 ⁇ m or more and 1 ⁇ m or less.
  • the actinic ray curable resin layer has the following general formula (1): (In the formula, R 1 and R 2 each independently represent a hydrogen atom or a methyl group, and R 3 represents a hydrogen atom, an alkyl group, or an aryl group, but when R 2 is a methyl group, 3 represents a hydrogen atom, and L represents a divalent linking group.) It is preferable that the unsaturated group containing acrylic copolymer containing the monomer unit represented by these is included.
  • a receiving layer is further provided on the protective layer.
  • the release layer contains a melamine resin.
  • the transfer foil since the transfer foil includes a release layer, a protective layer containing an actinic ray curable resin, and an intermediate layer containing a wax component and a rubber component, the transfer foil can be provided with sufficient durability performance.
  • the transfer layer can be transferred without causing transfer failure and has high peeling stability.
  • the actinic ray curable resin means a precursor or a composition before irradiation with actinic rays, and an actinic ray curable resin is obtained by irradiating actinic rays to cure the actinic ray curable resin. .
  • the actinic ray means radiation that chemically acts on the actinic ray curable resin to promote polymerization, and specifically, visible light, ultraviolet ray, X-ray, electron beam. , ⁇ ray, ⁇ ray, ⁇ ray and the like.
  • FIG. 1 is a schematic cross-sectional view of a transfer foil according to an embodiment of the present invention.
  • the transfer foil 1 according to the present invention includes at least a base material 10, a release layer 20 provided on the base material 10, an intermediate layer 30, and a protective layer 40.
  • the transfer foil 1 may be provided with an adhesive layer 50 and a receiving layer 60 on the protective layer 40 as shown in FIGS.
  • the transfer layer 70 in the case where the adhesive layer 50 or the receiving layer 60 is provided, the intermediate layer 30, the protective layer 40, the adhesive layer 50, and the receiving layer). Layer 60
  • the adhesive layer can also serve as a receiving layer by adjusting its configuration.
  • each layer which comprises the transfer foil by this invention is demonstrated.
  • Base material As a base material, it has heat resistance that can withstand thermal energy (for example, heat of a thermal head) when transferring a transfer layer from a transfer foil to a transfer target, and mechanical strength and solvent resistance that can support the transfer layer. Can be used without particular limitation.
  • Polyester resins such as polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, polyethylene terephthalate-isophthalate copolymer, terephthalic acid-cyclohexanedimethanol-ethylene glycol copolymer, polyethylene terephthalate / polyethylene naphthalate coextruded film
  • Polyamide resins such as nylon-6 and nylon-6,6, polyolefin resins such as polyethylene, polypropylene and polymethylpentene, vinyl resins such as polyvinyl chloride, polyacrylates, polymethacrylates, polymethyl methacrylates, etc.
  • styrene resins such as ABS resin (acrylonitrile-butadiene-styrene copolymer), cellulose resins such as cellophane, cellulose acetate, and nitrocellulose.
  • the base material may be a copolymer resin or a mixture (including an alloy) containing the above resin as a main component, or a laminate composed of a plurality of layers.
  • a base film may be a stretched film or an unstretched film, it is preferable to use a film stretched in a uniaxial direction or a biaxial direction for the purpose of improving strength.
  • polyester films such as polyethylene terephthalate and polyethylene naphthalate are preferably used because of their excellent heat resistance and mechanical strength, and among these, polyethylene terephthalate films are more preferable.
  • irregularities can be imparted to the surface of the substrate as necessary.
  • means for forming irregularities include kneading of a matting agent, sand blasting, hairline processing, mat coating, or chemical etching.
  • mat coating either organic or inorganic materials may be used.
  • the thickness of the substrate is preferably 0.5 ⁇ m or more and 50 ⁇ m or less, and more preferably 4 ⁇ m or more and 20 ⁇ m or less. By setting the thickness of the substrate within the above numerical range, it is possible to improve the heat energy transferability when transferring the transfer layer from the transfer foil while maintaining the mechanical strength.
  • the substrate is provided with a release layer on the surface thereof, and in advance, the surface on which the release layer is provided is subjected to corona discharge treatment, plasma treatment, ozone treatment, flame treatment, primer (anchor coating, adhesion promotion).
  • corona discharge treatment plasma treatment, ozone treatment, flame treatment, primer (anchor coating, adhesion promotion).
  • An easy-adhesion treatment such as coating treatment, pre-heat treatment, dust removal treatment, vapor deposition treatment, alkali treatment, or antistatic layer application may be performed.
  • additives such as a filler, a plasticizer, a coloring agent, and an antistatic agent, to a base material as needed.
  • the release layer provided in the transfer foil according to the present invention is a layer for peeling the transfer layer provided on these layers from the transfer foil and transferring it to the transfer target. When releasing the transfer layer from the transfer foil, the release layer stays on the substrate side.
  • the resin used for the release layer examples include melamine resin, fluorine resin, cellulose resin, urea resin, polyolefin resin, acrylic resin, and fiber resin.
  • a melamine-based resin is preferable because an appropriate adhesive force between the substrate and the transfer layer can be imparted to the transfer foil.
  • the thickness of the release layer is preferably 0.05 ⁇ m or more and 5 ⁇ m or less, and more preferably 0.1 ⁇ m or more and 2 ⁇ m or less.
  • the release layer is formed by dispersing or dissolving the above resin in a solvent, applying and drying by a known coating method such as roll coating or gravure coating, and baking at a temperature of about 150 ° C. or higher and 200 ° C. or lower. can do.
  • a known coating method such as roll coating or gravure coating
  • the above-mentioned resin is dispersed or dissolved in a solvent, and the coating solution is applied to an unstretched or uniaxially stretched polyethylene terephthalate film (base material) and dried, then stretched at least in a uniaxial direction, and then subjected to heat treatment. Can also be formed.
  • the intermediate layer includes a wax component and a rubber component, the function of adjusting the adhesive force between the release layer and the transfer layer even when a protective layer having a high surface strength as described below is used. And has a function of enhancing the peeling stability.
  • the intermediate layer is peeled off together with the transfer layer.
  • the wax component examples include polyethylene wax, carnauba wax, paraffin wax, microcrystalline wax, candelilla wax, whale wax, wood wax, beeswax, partially modified wax, fatty acid ester, and fatty acid amide.
  • the above wax components may be used alone or in combination of two or more.
  • polyethylene wax and carnauba wax are preferable, and polyethylene wax is more preferable.
  • the intermediate layer contains polyethylene wax and carnauba wax, the blending ratio thereof (polyethylene wax / carnauba wax) is preferably 1/8 or more and 8 or less on a mass basis, More preferably, it is 0.5 or more and 5 or less.
  • Carnauba wax is a wax derived from a plant of the palm family and includes natural carnauba wax and its by-products and derivatives. Examples of commercially available carnauba waxes include WE-95, WE-188, and WE-200 manufactured by Konishi Co., Ltd.
  • the rubber component examples include butadiene rubber, styrene-butadiene rubber, nitrile rubber, nitrile butadiene rubber, high styrene rubber, isobutylene rubber, acrylic rubber, epichlorohydrin rubber, butyl rubber and ethylene-propylene rubber, and modified products thereof. It is done.
  • the above rubber components may be used alone or in combination of two or more.
  • styrene-butadiene rubber is particularly preferred.
  • Nipol LX430, NipolLX433C, NipolLX435, Nipol2507H (trade name) manufactured by Nippon Zeon Co., Ltd. and the like can be mentioned.
  • the rubber component preferably has a glass transition temperature (Tg) of 20 ° C. or lower. More preferably, Tg is ⁇ 20 ° C. or more and 20 ° C. or less, and particularly preferably 0 ° C. or more and 10 ° C. or less. If Tg is within the above numerical range, the stability of peeling can be obtained, and mixing of adjacent layers can be prevented. Tg can be obtained by differential scanning calorimetry in accordance with JIS-K-7121 (issued in 2012).
  • the rubber component preferably has a particle shape having a volume average particle size of 80 nm or more and 250 nm or less, more preferably 100 nm or more and 200 nm or less.
  • the volume average particle size conforms to JIS-Z-8819-2 (issued in 2001) using a particle size distribution / particle size distribution measuring device (for example, Nanotrack particle size distribution measuring device manufactured by Nikkiso Co., Ltd.). Can be measured.
  • the above wax component is preferably contained in the intermediate layer in a proportion of 50% by mass or more and 99% by mass or less, more preferably 69% by mass or more and 98% by mass or less.
  • the content of the wax component contained in the intermediate layer is within the above numerical range, the peeling stability of the transfer foil can be improved.
  • the rubber component described above is preferably contained in the intermediate layer in a proportion of 0.01% by mass to 35% by mass, more preferably 2% by mass to 32% by mass.
  • the thickness of the intermediate layer is preferably 0.05 ⁇ m or more and 1 ⁇ m or less, and more preferably 0.05 ⁇ m or more and 0.5 ⁇ m or less.
  • the transfer efficiency can be improved by setting the thickness of the intermediate layer within the above numerical range. Also, by setting the thickness of the intermediate layer within the above numerical range, the transfer target to be transferred is torn and peeled off to the side of the transfer foil. Transfer defects such as tailing and burrs that partially involve unnecessary transfer layers can be prevented, and the foil breakability and peeling stability can be improved.
  • the intermediate layer is formed by applying a coating solution in which the wax component and the rubber component are dispersed or dissolved in a solvent to a known means such as roll coating, reverse roll coating, gravure coating, reverse gravure coating, bar coating, rod coating, etc.
  • a coating solution in which the wax component and the rubber component are dispersed or dissolved in a solvent to a known means such as roll coating, reverse roll coating, gravure coating, reverse gravure coating, bar coating, rod coating, etc.
  • a coating solution in which the wax component and the rubber component are dispersed or dissolved in a solvent
  • a known means such as roll coating, reverse roll coating, gravure coating, reverse gravure coating, bar coating, rod coating, etc.
  • a protective layer bears protection of the to-be-transferred material surface after transfer, and contains actinic-light curable resin.
  • the protective layer provided in the transfer foil according to the present invention has high surface strength including an actinic ray curable resin, and can impart sufficient durability performance to the surface of the transfer target.
  • the actinic ray curable resin forming the protective layer is represented by the following general formula (1): It is preferable that the unsaturated group containing acrylic copolymer containing the monomer unit represented by these is included.
  • R 1 and R 2 each independently represent a hydrogen atom or a methyl group
  • R 3 is a hydrogen atom, an alkyl group, or an aryl group.
  • the alkyl group for R 3 is preferably an alkyl group having up to 7 carbon atoms such as a methyl group or an ethyl group.
  • the aryl group of R 3 an aryl group having up to 10 carbon atoms such as a phenyl group and a naphthyl group is preferable.
  • R 2 is a methyl group
  • R 3 is a hydrogen atom.
  • L represents a divalent linking group.
  • L represents a divalent linking group.
  • L is preferably —CH 2 —CH (OH) —CH 2 —O—.
  • the monomer represented by the general formula (1) is an ⁇ , ⁇ -unsaturated carboxylic acid which is a monomer having a carboxyl group (for example, acrylic acid, methacrylic acid, maleic acid, maleic anhydride, itaconic acid, itaconic anhydride).
  • anhydride such as maleic anhydride
  • an alcohol such as methanol, ethanol, propanol or butanol
  • hydrolyze the anhydride on one side It can be obtained by adding a long-chain alkyl group to the moiety, or by reacting a dicarboxylic acid or acid anhydride with an active group in the polymer such as a hydroxyl group or an amino group.
  • the unsaturated group-containing acrylic copolymer preferably contains 0.01% by mass or more and 50% by mass or less, more preferably 0, of the monomer unit represented by the general formula (1) in the molecule. It is 1 mass% or more and 20 mass% or less.
  • the monomer unit represented by the general formula (1) is within the above range, it is possible to efficiently synthesize an unsaturated group-containing acrylic copolymer and obtain a protective layer having high surface strength. it can.
  • monomer units to be copolymerized with the monomer unit represented by the general formula (1) include monomers having an aromatic hydroxyl group, monomers having an aliphatic hydroxyl group, monomers having an aminosulfonyl group, and monomers having a sulfonamide group.
  • ⁇ , ⁇ -unsaturated carboxylic acids substituted or unsubstituted alkyl acrylates, substituted or unsubstituted alkyl methacrylates, acrylamides or methacrylamides, monomers containing fluorinated alkyl groups, vinyl ethers, vinyl esters, styrenes Vinyl ketones, olefins, N-vinyl pyrrolidone, N-vinyl carbazole, 4-vinyl pyridine, monomers having a cyano group, monomers having an amino group, and the like.
  • the acid value (mgKOH / g) of the unsaturated group-containing acrylic copolymer is preferably 5 or more and 500 or less, more preferably 10 or more and 150 or less.
  • acid value means the number of milligrams of potassium hydroxide required to neutralize free fatty acid contained in 1 g of polymer, and is measured by a method according to JIS-K-2501. be able to.
  • the acid value of the polymer can be adjusted as appropriate by adjusting the ratio of monomer components constituting the polymer.
  • the weight average molecular weight of the unsaturated group-containing acrylic copolymer is preferably from 3,000 to 100,000, more preferably from 10,000 to 80,000.
  • mass average molecular weight of the unsaturated group-containing acrylic copolymer within the above numerical range, the heat resistance, chemical resistance and scratch strength can be improved.
  • production of the gelation reaction in storage can be suppressed and storage stability can also be improved.
  • “mass average molecular weight” means a value measured by gel permeation chromatography using polystyrene as a standard substance, and can be measured by a method based on JIS-K-7252-1.
  • the unsaturated group-containing acrylic copolymer described above is preferably contained in the actinic ray curable resin in an amount of 10% by mass or more and 80% by mass or less, more preferably 20% by mass or more and 70% by mass or less. Preferably they are 20 mass% or more and 50 mass% or less.
  • any monomer or oligomer having at least one polymerizable double bond in one molecule can be used without particular limitation.
  • acrylic acid ester compounds and methacrylic acid ester compounds can be particularly preferably used.
  • these compounds one kind or a mixture of two or more kinds can be used.
  • a so-called prepolymer in which acrylic acid or methacrylic acid is introduced into an oligomer having an appropriate molecular weight to impart photopolymerizability can be suitably used. These may be used alone or in combination with two or more prepolymers, or may be used in combination with the above-mentioned monomers.
  • prepolymers examples include adipic acid, trimellitic acid, maleic acid, phthalic acid, terephthalic acid, hymic acid, malonic acid, succinic acid, glutaric acid, itaconic acid, pyromellitic acid, fumaric acid, glutaric acid, pimelic acid, sebacin
  • Polybasic acids such as acid, dodecanoic acid, tetrahydrophthalic acid, and ethylene glycol, propylene glycol, diethylene glycol, propylene oxide, 1,4-butanediol, triethylene glycol, tetraethylene glycol, polyethylene glycol, glycerin, trimethylolpropane
  • the monomer oligomer or prepolymer having at least one polymerizable double bond in the molecule may be contained in the actinic ray curable resin in a proportion of 20% by mass to 90% by mass.
  • the protective layer may contain a filler in addition to the resin described above.
  • the exposure as described later can improve both the peeling stability and durability of the transfer foil, but since the breaking strength of the protective layer is improved, the protective layer has a certain thickness. If it has, the transfer layer is not easily peeled off from the substrate, and the transfer efficiency of the transfer layer is deteriorated, transfer failure occurs, and peeling stability tends to be lowered.
  • a filler in the protective layer even if the thickness of the protective layer exceeds 20 ⁇ m, the breakability is improved, and both the peeling stability and durability of the transfer foil can be improved.
  • the filler contained in the protective layer preferably has a volume average particle size of 40 nm or less.
  • the volume average particle diameter of the filler is 40 nm or less, the transparency of the protective layer can be maintained.
  • the volume average particle diameter of a filler is 10 nm or more. Dispersibility can be maintained when the volume average particle size of the filler is 10 nm or more, and the stability of the protective layer coating solution can be maintained.
  • examples of the filler include organic fillers, inorganic fillers, and organic-inorganic hybrid fillers.
  • the filler may be a powder or a sol. From the viewpoint of dispersibility, inorganic particles are preferable among the fillers described above.
  • the inorganic particles include metal oxide particles such as silica particles (colloidal silica, fumed silica, precipitated silica, etc.), alumina particles, zirconia particles, titania particles, and zinc oxide particles. From this viewpoint, it is preferable to use silica particles. Furthermore, it is preferable that the inorganic particles have been subjected to a surface treatment using a silane coupling agent such as ⁇ -aminopropyltriethoxysilane or ⁇ -methacryloxypropyltrimethoxysilane.
  • the filler is preferably contained in an amount of 5% by mass to 60% by mass with respect to the total solid content of the protective layer.
  • the content of the filler is within the above numerical range, the transferability of the transfer foil and the abrasion resistance of the printed matter obtained using the transfer foil can be improved, and the protective layer becomes brittle, cracks, etc. It is possible to prevent the occurrence of defects.
  • the thickness of the protective layer is preferably 5 ⁇ m or more and 20 ⁇ m or less. By setting the thickness of the protective layer within the above numerical range, it is possible to impart sufficient durability performance and to suppress transfer defects such as tailing, burrs, paper peeling and chipping.
  • the protective layer is a coating solution comprising a composition containing an actinic ray curable resin as described above, by known means such as roll coating, reverse roll coating, gravure coating, reverse gravure coating, bar coating, rod coating, It can form by apply
  • a conventionally known ultraviolet irradiation device can be used for ultraviolet irradiation, and various types such as a high pressure mercury lamp, a low pressure mercury lamp, a carbon arc, a xenon arc, a metal halide lamp, an electrodeless ultraviolet lamp, and an LED are used without limitation. be able to.
  • the electron beam irradiation either a high energy electron beam irradiation apparatus that irradiates an electron beam with an energy of 100 keV or more and 300 keV or less, or a low energy electron beam irradiation apparatus that irradiates an electron beam with an energy of 100 keV or less is used.
  • the irradiation method may be either a scanning type or a curtain type irradiation device.
  • the adhesive layer that the transfer foil according to the present invention includes as desired will be described.
  • the adhesive layer is provided on the protective layer, and improves the adhesion between the transfer layer and the transfer target.
  • the adhesive layer may serve as a receiving layer in which an image is formed by thermal transfer from a thermal transfer sheet having a color material layer by thermal transfer. Then, the transfer portion of the transfer foil on which the image is formed is transferred to the transfer target, and as a result, a printed matter is formed.
  • Examples of the material for forming the adhesive layer include heat-bonding adhesives that are bonded by melting or softening with heat. Specific examples include ionomer resins, acid-modified polyolefin resins, and ethylene- (meth) acrylic. Acid copolymers, ethylene- (meth) acrylic ester copolymers, polyester resins, polyamide resins, vinyl resins, acrylic and methacrylic (meth) acrylic resins, acrylic ester resins, maleic Acid resins, butyral resins, alkyd resins, polyethylene oxide resins, phenol resins, urea resins, melamine resins, melamine-alkyd resins, cellulose resins, polyurethane resins, polyvinyl ether resins, silicones Resin, rubber resin and the like.
  • vinyl resins are used alone or in combination.
  • acrylic resins acrylic resins, butyral resins, and polyester resins are preferable in terms of adhesive strength. More preferred are vinyl resins, (meth) acrylic resins such as ethylene- (meth) ethyl acrylate copolymers, and acrylic ester resins.
  • a resin that can easily accept a heat-transferable colorant such as a sublimation dye or a heat-meltable ink.
  • a resin that can easily accept a heat-transferable colorant such as a sublimation dye or a heat-meltable ink.
  • polyolefin resins polyvinyl chloride, polyvinyl acetate, vinyl chloride-vinyl acetate polymers, vinyl resins such as ethylene-vinyl acetate copolymers or polyacrylates, polyesters such as polyethylene terephthalate and polybutylene terephthalate Resin, polystyrene resin, polyamide resin, copolymer resin of olefin such as ethylene or propylene and other vinyl polymer, cellulose resin such as ionomer or cellulose diastase, polycarbonate, etc.
  • Vinyl chloride-vinyl acetate polymer or polyvinyl chloride is preferred, and vinyl chloride-vinyl acetate polymer is particularly
  • the thickness of the adhesive layer is preferably 0.5 ⁇ m or more and 10 ⁇ m or less, and more preferably 1 ⁇ m or more and 3 ⁇ m or less.
  • the transfer foil according to the present invention may be provided with a receiving layer if desired.
  • the receiving layer will be described below.
  • the adhesive layer plays a role as a receiving layer by adjusting its configuration, but the transfer foil may include a receiving layer separately.
  • the receiving layer is provided on the adhesive layer, and an image is formed on the receiving layer by thermal transfer from a thermal transfer sheet having a color material layer. Then, the transfer portion of the transfer foil on which the image is formed is transferred to the transfer target, and as a result, a printed matter is formed.
  • the same material as the material for forming the adhesive layer can be used when the adhesive layer serves as the receiving layer.
  • the adhesiveness of the receiving layer itself is not necessarily required.
  • an adhesive resin material such as vinyl chloride-vinyl acetate copolymer.
  • the thickness of the receiving layer is preferably 0.5 ⁇ m or more and 10 ⁇ m or less, and more preferably 1 ⁇ m or more and 3 ⁇ m or less.
  • the receptive layer is a receptive layer coating obtained by adding one or more materials selected from the above-mentioned materials and various additives as necessary, and dissolving or dispersing them in an appropriate solvent such as water or an organic solvent.
  • a liquid can be prepared, and this can be formed by applying and drying by means of a gravure printing method, a screen printing method or a reverse coating method using a gravure plate.
  • the adhesive layer having no function as a receiving layer can be further provided on the receiving layer.
  • a known transfer method may be used, for example, hot stamping by hot stamping (foil stamping), whole surface or stripe transfer by a hot roll,
  • a known method such as a thermal printer (also referred to as a thermal transfer printer) using a thermal head (thermal printing head) can be applied.
  • transfer using a hot roll is preferable.
  • the material to be transferred is not particularly limited as long as it requires durability such as wear resistance and plasticizer resistance.
  • natural fiber paper, coated paper, tracing paper, heat during transfer, and the like may be any plastic film, glass, metal, ceramics, wood, cloth or dye-receptive medium that does not deform.
  • an IC card or the like usually requires designability and security, when the transfer foil according to the present invention does not include a receiving layer, a printing layer or A hologram layer or the like is generally provided.
  • Example 1 Using a film in which a release layer of melamine-based resin is applied on one side of a 12 ⁇ m thick polyethylene terephthalate film as a base material, an intermediate layer coating liquid having the following composition is formed on the release layer by gravure coating. The film was applied so that the thickness after drying was 0.5 ⁇ m.
  • a protective layer coating solution having the following composition was applied by gravure coating so that the thickness after drying was 6 ⁇ m, and after drying, a UV exposure device (Fusion UV, F600V, LH10 lamp, H bulb, and reflecting mirror were cold type) to irradiate ultraviolet rays to form a protective layer.
  • a UV exposure device Fusion UV, F600V, LH10 lamp, H bulb, and reflecting mirror were cold type
  • an adhesive layer coating solution having the following composition was applied onto the protective layer formed as described above by gravure coating and dried to a thickness of 2 ⁇ m, thereby forming an adhesive layer.
  • the adhesive layer in the present Example having the following composition also played a role as a receiving layer.
  • ⁇ Adhesive layer coating solution composition > ⁇ 95 parts of vinyl chloride-vinyl acetate copolymer (manufactured by Nissin Chemical Industry Co., Ltd., trade name: CNL) ⁇ Epoxy-modified silicone oil 5 parts (Shin-Etsu Chemical Co., Ltd., trade name: KP-1800U) ⁇ Toluene 200 parts ⁇ MEK 200 parts
  • Example 2 In Example 1, a transfer foil was prepared in the same manner as in Example 1 except that the protective layer was formed by coating and drying so that the thickness after drying was 0.2 ⁇ m.
  • Example 3 In Example 1, a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • Example 4 In Example 1, a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • ⁇ Intermediate layer coating solution composition C> ⁇ Carnauba wax 7 parts (manufactured by Konishi Co., Ltd., trade name: WE-95, solid content: 40%) Polyethylene wax (solid content: 40%) 2 parts Styrene-butadiene rubber 1 part (manufactured by Nippon Zeon Co., Ltd., trade name: Nipol LX430, volume average particle size: 150 nm, solid content: 49%) ⁇ 100 parts of pure water / isopropyl alcohol (1/1)
  • Example 5 a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • Example 6 In Example 1, a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • Example 7 a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • Example 8 In Example 1, a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • Example 9 In Example 1, a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • Example 1 a transfer foil was prepared in the same manner as in Example 1 except that the release layer and the intermediate layer were not formed.
  • Example 2 In Example 1, a transfer foil was prepared in the same manner as in Example 1 except that the intermediate layer was not formed and the protective layer was changed to a layer formed using a coating liquid having the composition shown below.
  • Example 3 (Comparative Example 3) In Example 1, a transfer foil was prepared in the same manner as in Example 1 except that the intermediate layer was not formed.
  • Example 4 In Example 1, except that the protective layer was changed to a protective layer formed by applying and drying a protective layer coating solution having the following composition by gravure coating so that the thickness after drying was 6 ⁇ m.
  • a transfer foil was prepared in the same manner as in 1.
  • Example 5 a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • Example 6 a transfer foil was prepared in the same manner as in Example 1 except that the composition of the intermediate layer coating solution was changed to the composition shown below.
  • ⁇ Evaluation of transfer foil> A card substrate having the following material composition was used as a transfer target.
  • ⁇ Composition of card substrate> -Polyvinyl chloride compound (degree of polymerization 800) 100 parts (contains 10% additives such as stabilizers) ⁇ White pigment (titanium oxide) 10 parts ⁇ Plasticizer (dioctyl phthalate) 0.5 parts
  • the transfer layers (protective layer, adhesive layer / receptive layer) were transferred onto the transfer sheets of Examples 1 to 9 and Comparative Examples 1 to 6 above. A print was formed.

Landscapes

  • Laminated Bodies (AREA)

Abstract

L'invention concerne une feuille de transfert avec laquelle il est possible de conférer une performance de durabilité suffisante à une surface de transfert, la feuille de transfert présentant une stabilité de détachement exceptionnelle tout en étant insensible à la formation de traînés, de bavures et d'autres imperfections de transfert. Cette feuille de transfert (1) est pourvue d'au moins un substrat (10), d'une couche de démoulage (20) disposée sur le substrat, d'une couche intermédiaire (30) disposée sur la couche de démoulage, et d'une couche de protection (40) disposée sur la couche intermédiaire, la couche intermédiaire contenant un constituant de cire et un constituant de caoutchouc, et la couche protectrice contenant une résine durcissable par rayons actifs.
PCT/JP2016/059185 2015-03-23 2016-03-23 Feuille de transfert Ceased WO2016152918A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201680012861.9A CN107405887B (zh) 2015-03-23 2016-03-23 转印箔
US15/555,627 US10493730B2 (en) 2015-03-23 2016-03-23 Transfer film
EP16768821.7A EP3275647B1 (fr) 2015-03-23 2016-03-23 Film de transfert

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2015-059745 2015-03-23
JP2015059745 2015-03-23
JP2016057423A JP6658175B2 (ja) 2015-03-23 2016-03-22 転写箔
JP2016-057423 2016-03-22

Publications (1)

Publication Number Publication Date
WO2016152918A1 true WO2016152918A1 (fr) 2016-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/059185 Ceased WO2016152918A1 (fr) 2015-03-23 2016-03-23 Feuille de transfert

Country Status (1)

Country Link
WO (1) WO2016152918A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108483A (ja) * 1983-11-18 1985-06-13 Japan Synthetic Rubber Co Ltd 剥離性付与組成物およびそれを使用する床材シ−ト
JPH0345391A (ja) * 1989-07-14 1991-02-26 Dainippon Printing Co Ltd 熱転写カバーフイルム
JPH05155199A (ja) * 1991-12-06 1993-06-22 Dainippon Printing Co Ltd ホログラム転写箔
JPH10129134A (ja) * 1996-10-28 1998-05-19 Dainippon Printing Co Ltd 盛り上げ画像形成用熱転写シート、盛り上げ画像形成方法および盛り上げ画像形成物
JPH10315639A (ja) * 1997-05-16 1998-12-02 Dainippon Printing Co Ltd 受容層転写シートおよびカード状印画物
JP2006001211A (ja) * 2004-06-18 2006-01-05 Dainippon Printing Co Ltd ホログラム転写箔、ホログラム転写方法およびホログラム転写物品
JP2007118466A (ja) * 2005-10-31 2007-05-17 Dainippon Printing Co Ltd ホログラム転写箔
JP2009137239A (ja) * 2007-12-10 2009-06-25 Dainippon Printing Co Ltd 中間転写記録媒体、その製造方法、フィルム転写シート、その製造方法及び画像形成方法
JP2013256105A (ja) * 2012-05-17 2013-12-26 Dainippon Printing Co Ltd 保護層転写シートおよびその製造方法
JP2016097668A (ja) * 2014-11-26 2016-05-30 大日本印刷株式会社 転写箔

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60108483A (ja) * 1983-11-18 1985-06-13 Japan Synthetic Rubber Co Ltd 剥離性付与組成物およびそれを使用する床材シ−ト
JPH0345391A (ja) * 1989-07-14 1991-02-26 Dainippon Printing Co Ltd 熱転写カバーフイルム
JPH05155199A (ja) * 1991-12-06 1993-06-22 Dainippon Printing Co Ltd ホログラム転写箔
JPH10129134A (ja) * 1996-10-28 1998-05-19 Dainippon Printing Co Ltd 盛り上げ画像形成用熱転写シート、盛り上げ画像形成方法および盛り上げ画像形成物
JPH10315639A (ja) * 1997-05-16 1998-12-02 Dainippon Printing Co Ltd 受容層転写シートおよびカード状印画物
JP2006001211A (ja) * 2004-06-18 2006-01-05 Dainippon Printing Co Ltd ホログラム転写箔、ホログラム転写方法およびホログラム転写物品
JP2007118466A (ja) * 2005-10-31 2007-05-17 Dainippon Printing Co Ltd ホログラム転写箔
JP2009137239A (ja) * 2007-12-10 2009-06-25 Dainippon Printing Co Ltd 中間転写記録媒体、その製造方法、フィルム転写シート、その製造方法及び画像形成方法
JP2013256105A (ja) * 2012-05-17 2013-12-26 Dainippon Printing Co Ltd 保護層転写シートおよびその製造方法
JP2016097668A (ja) * 2014-11-26 2016-05-30 大日本印刷株式会社 転写箔

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