WO2023003028A1 - 熱転写シート、印画物の製造方法及び印画物 - Google Patents
熱転写シート、印画物の製造方法及び印画物 Download PDFInfo
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- WO2023003028A1 WO2023003028A1 PCT/JP2022/028261 JP2022028261W WO2023003028A1 WO 2023003028 A1 WO2023003028 A1 WO 2023003028A1 JP 2022028261 W JP2022028261 W JP 2022028261W WO 2023003028 A1 WO2023003028 A1 WO 2023003028A1
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- ZIYVHBGGAOATLY-UHFFFAOYSA-N methylmalonic acid Chemical compound OC(=O)C(C)C(O)=O ZIYVHBGGAOATLY-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 239000012170 montan wax Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- ABMFBCRYHDZLRD-UHFFFAOYSA-N naphthalene-1,4-dicarboxylic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=C(C(O)=O)C2=C1 ABMFBCRYHDZLRD-UHFFFAOYSA-N 0.000 description 1
- DFFZOPXDTCDZDP-UHFFFAOYSA-N naphthalene-1,5-dicarboxylic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=CC2=C1C(O)=O DFFZOPXDTCDZDP-UHFFFAOYSA-N 0.000 description 1
- HRRDCWDFRIJIQZ-UHFFFAOYSA-N naphthalene-1,8-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=C2C(C(=O)O)=CC=CC2=C1 HRRDCWDFRIJIQZ-UHFFFAOYSA-N 0.000 description 1
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- OTLDLKLSNZMTTA-UHFFFAOYSA-N octahydro-1h-4,7-methanoindene-1,5-diyldimethanol Chemical compound C1C2C3C(CO)CCC3C1C(CO)C2 OTLDLKLSNZMTTA-UHFFFAOYSA-N 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- URLKBWYHVLBVBO-UHFFFAOYSA-N p-dimethylbenzene Natural products CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001490 poly(butyl methacrylate) polymer Polymers 0.000 description 1
- 229920001483 poly(ethyl methacrylate) polymer Polymers 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 235000010333 potassium nitrate Nutrition 0.000 description 1
- 239000001592 prop-2-enyl (2E,4E)-hexa-2,4-dienoate Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000007763 reverse roll coating Methods 0.000 description 1
- 239000004170 rice bran wax Substances 0.000 description 1
- 235000019384 rice bran wax Nutrition 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- FPSFKBGHBCHTOE-UHFFFAOYSA-M sodium 1-[(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)diazenyl]-4-sulfonaphthalen-2-olate Chemical compound [Na+].O=C1C(N=NC=2C3=CC=CC=C3C(=CC=2O)S([O-])(=O)=O)C(C)=NN1C1=CC=CC=C1 FPSFKBGHBCHTOE-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012177 spermaceti Substances 0.000 description 1
- 229940084106 spermaceti Drugs 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- GRPURDFRFHUDSP-UHFFFAOYSA-N tris(prop-2-enyl) benzene-1,2,4-tricarboxylate Chemical compound C=CCOC(=O)C1=CC=C(C(=O)OCC=C)C(C(=O)OCC=C)=C1 GRPURDFRFHUDSP-UHFFFAOYSA-N 0.000 description 1
- 238000009816 wet lamination Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- NDKWCCLKSWNDBG-UHFFFAOYSA-N zinc;dioxido(dioxo)chromium Chemical compound [Zn+2].[O-][Cr]([O-])(=O)=O NDKWCCLKSWNDBG-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
-
- 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
- B41M5/392—Additives, other than colour forming substances, dyes or pigments, e.g. sensitisers, transfer promoting agents
- B41M5/395—Macromolecular additives, e.g. binders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/06—Printing methods or features related to printing methods; Location or type of the layers relating to melt (thermal) mass transfer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/38—Intermediate layers; Layers between substrate and imaging layer
Definitions
- the present disclosure relates to a thermal transfer sheet, a print production method, and a print.
- the thermal fusion transfer method is known.
- energy is applied using a thermal head or the like to a thermal transfer sheet comprising a base material and a transfer layer, and the transfer layer is transferred onto a material to be transferred such as a paper base material and a resin film, form an image.
- the image formed by the thermal fusion transfer method has high density and excellent sharpness. Therefore, this method is suitable for recording binary images such as characters and line drawings.
- variable information such as address, customer information, number and bar code can be recorded on a transfer material using a computer and a thermal transfer printer (see, for example, Patent Document 1).
- a thermal transfer sheet which has an adhesive layer as a surface layer constituting the transfer layer in order to improve the adhesion of the transfer layer to the transfer material. It is known to use a (meth)acrylic resin as the resin material for the adhesive layer in order to improve the resolution of the image formed in the hot melt transfer system.
- a (meth)acrylic resin as the resin material for the adhesive layer in order to improve the resolution of the image formed in the hot melt transfer system.
- the present inventors have found that images formed using such thermal transfer sheets do not have sufficient abrasion resistance and alcohol resistance.
- the present inventors studied using polyester as the resin material for the adhesive layer In order to improve this point, the present inventors studied using polyester as the resin material for the adhesive layer. However, the present inventors have found that the use of polyester may reduce image resolution.
- One object of the present disclosure is to provide a thermal transfer sheet that is excellent in abrasion resistance and alcohol resistance and capable of forming an image with excellent resolution.
- One object of the present disclosure is to provide a method for producing a print having excellent abrasion resistance and alcohol resistance and an image having excellent resolution.
- One object of the present disclosure is to provide a printed material having an image excellent in abrasion resistance and alcohol resistance, and excellent in resolution.
- a thermal transfer sheet of the present disclosure comprises a substrate and a transfer layer provided on the substrate.
- the transfer layer comprises an adhesive layer.
- the adhesive layer forms a surface layer on one side of the thermal transfer sheet.
- the adhesive layer contains an allyl resin and a modified olefin polymer.
- a method for producing a print according to the present disclosure includes the steps of preparing the thermal transfer sheet and the transfer-receiving material, and thermally transferring the transfer layer of the thermal transfer sheet onto the transfer-receiving material.
- the printed matter of the present disclosure includes a transfer-receiving body and a transfer layer provided on the transfer-receiving body.
- the transfer layer includes an adhesive layer that is in direct contact with the transferred material.
- the adhesive layer contains an allyl resin and a modified olefin polymer.
- thermo transfer sheet that is excellent in abrasion resistance and alcohol resistance and capable of forming an image with excellent resolution.
- Advantageous Effects of Invention it is possible to provide a method for producing a print having excellent abrasion resistance and alcohol resistance, and having an image having excellent resolution.
- FIG. 1 is a schematic cross-sectional view showing one embodiment of the thermal transfer sheet of the present disclosure.
- FIG. 2 is a schematic cross-sectional view showing one embodiment of the thermal transfer sheet of the present disclosure.
- FIG. 3 is a schematic cross-sectional view showing one embodiment of the thermal transfer sheet of the present disclosure.
- the numerical range of the parameter is any one upper limit candidate and any one lower limit value.
- Candidates may be configured by combining
- “Parameter B is preferably A1 or more, more preferably A2 or more, and still more preferably A3 or more.
- Parameter B is preferably A4 or less, more preferably A5 or less, and still more preferably A6 or less. ” will be explained.
- the numerical range of the parameter B may be A1 or more and A4 or less, A1 or more and A5 or less, A1 or more and A6 or less, A2 or more and A4 or less, A2 or more and A5 or less, or A2 or more and A6 or less.
- A3 or more and A4 or less may be sufficient, A3 or more and A5 or less may be sufficient, A3 or more and A6 or less may be sufficient.
- a thermal transfer sheet of the present disclosure comprises a substrate and a transfer layer provided on the substrate.
- the transfer layer comprises an adhesive layer.
- the adhesive layer forms a surface layer on one side of the thermal transfer sheet.
- the transfer layer may further include a colorant layer.
- the transfer layer may further comprise a release layer.
- a thermal transfer sheet 1 shown in FIG. 1 includes a substrate 10 and a transfer layer 20 .
- the transfer layer 20 consists of an adhesive layer 22 .
- the adhesive layer 22 forms a surface layer on one side of the thermal transfer sheet 1 .
- the thermal transfer sheet 1 shown in FIG. 2 includes a substrate 10 and a transfer layer 20.
- the transfer layer 20 includes a colorant layer 24 and an adhesive layer 22 in this order in the thickness direction.
- the adhesive layer 22 constitutes a surface layer of the transfer layer 20 on the side opposite to the substrate 10 side.
- the release layer 26 constitutes the surface layer of the transfer layer 20 on the substrate 10 side.
- the transfer layer 20 includes a release layer 26, a coloring material layer 24, and an adhesive layer 22 in this order in the thickness direction.
- the thermal transfer sheet 1 shown in FIGS. 1 to 3 includes a back layer 30 on the surface of the substrate 10 opposite to the surface on which the transfer layer 20 is provided.
- a back layer 30 on the surface of the substrate 10 opposite to the surface on which the transfer layer 20 is provided.
- the base material can be used without any particular limitation as long as it has heat resistance to withstand the thermal energy applied during thermal transfer, mechanical strength and solvent resistance to support the transfer layer provided on the base material. .
- base materials include films made of resin materials (hereinafter referred to as "resin films").
- resin materials include polyesters, polyolefins, vinyl resins, vinyl acetal resins, (meth)acrylic resins, polyamides, polyimides, polycarbonates, cellulose resins, styrene resins, and ionomer resins.
- polyesters include polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyethylene naphthalate (PEN), poly-1,4-cyclohexylene dimethylene terephthalate and terephthalic acid-cyclohexanedimethanol-ethylene glycol copolymer. is mentioned.
- Polyolefins include, for example, polyethylene (PE), polypropylene (PP) and polymethylpentene.
- Vinyl resins include, for example, polyvinyl chloride, polyvinyl alcohol (PVA), polyvinyl acetate, vinyl chloride-vinyl acetate copolymers, and polyvinylpyrrolidone (PVP).
- Vinyl acetal resins include, for example, polyvinyl acetoacetal and polyvinyl butyral.
- (Meth)acrylic resins include, for example, polyacrylate, polymethacrylate and polymethylmethacrylate.
- Cellulose resins include, for example, cellophane, cellulose acetate, nitrocellulose, cellulose acetate propionate (CAP) and cellulose acetate butyrate (CAB).
- Styrene resins include, for example, polystyrene (PS). One or two or more resin materials can be used.
- polyesters such as PET and PEN are preferable, and PET is more preferable, from the viewpoint of heat resistance and mechanical strength.
- (meth)acryl includes both “acryl” and “methacryl”.
- (Meth)acrylate includes both “acrylate” and “methacrylate”.
- a laminate of the above resin films may be used as a base material.
- a laminate of resin films can be produced by using, for example, a dry lamination method, a wet lamination method, and an extrusion method.
- the resin film When the substrate is a resin film, the resin film may be a stretched film or an unstretched film. From the viewpoint of strength, it is preferable to use a uniaxially or biaxially stretched film as the substrate.
- the thickness of the substrate is preferably 3.0 ⁇ m or more.
- the thickness of the substrate is preferably 25.0 ⁇ m or less.
- the thermal transfer sheet of the present disclosure includes a transfer layer that is detachably provided on a substrate by thermal transfer.
- the transfer layer comprises an adhesive layer.
- the transfer layer may further include a colorant layer.
- the transfer layer may further comprise a release layer.
- the adhesive layer constitutes a surface layer on one side of the thermal transfer sheet, and when the transfer layer has a multi-layer structure, constitutes a surface layer on the opposite side of the transfer layer from the substrate side.
- the adhesive layer is a layer that comes into contact with a transfer-receiving material when the transfer layer is transferred onto the transfer-receiving material.
- the release layer constitutes the surface layer of the transfer layer on the substrate side.
- the adhesive layer contains an allyl resin and a modified olefin polymer.
- the durability of the image specifically the abrasion resistance and the alcohol resistance, is improved while maintaining the resolution of the image formed on the transferred material. can be good.
- PET polyethylene terephthalate
- PP polypropylene
- SP values solubility parameters
- Allyl resin refers to a resin having a structural unit derived from an allyl monomer.
- allyl monomers include diallyl phthalate, triallyl isocyanurate, diallyl tetrabrom phthalate, allyl glycidyl ether, trimethylolpropane diallyl ether, pentaerythritol triallyl ether, triallyl trimellitate, tetraallyl pyromellitic acid, allyl sorbate, Diallyl maleate, diallyl fumarate, diallyl citrate and tetraallyl butanetetracarboxylate.
- diallyl phthalate is preferable from the viewpoint that the above effects can be further improved.
- the allyl resin may have structural units derived from compounds (copolymerization components) other than allyl monomers.
- the content of structural units derived from copolymer components in the allyl resin is preferably 10% by mass or less, more preferably 5% by mass or less, and even more preferably 3% by mass or less.
- the iodine value of the allyl resin is preferably 40 g/100 g or more, more preferably 45 g/100 g or more, and preferably 95 g/100 g or less, more preferably 70 g/100 g or less.
- the iodine value is measured according to JIS K 6235:2006.
- the allyl resin in one embodiment, is a diallyl phthalate resin.
- a diallyl phthalate resin refers to a resin having a structural unit derived from diallyl phthalate.
- the diallyl phthalate resin may be hydrogenated.
- the diallyl phthalate resin is not limited to the ortho form, and includes, for example, the iso form.
- diallyl phthalate resin for example, one or more of resins represented by formulas (1) to (4) are preferable.
- the diallyl phthalate resin having such a structure in the adhesive layer for example, the above effects can be further improved.
- the resin represented by formula (1) or (3) is more preferable, and the resin represented by formula (1) is particularly preferable.
- m, n, and o represent integers of 1 or more, for example, values such that the molecular weight of the resin represented by each formula becomes the weight average molecular weight described later.
- allyl resin represented by formula (1) for example, DAISO DUP (registered trademark) A, DAISO DUP (registered trademark) S and DAISO DUP (registered trademark) K manufactured by Osaka Soda Co., Ltd. can be used.
- allyl resin represented by formula (2) for example, Daiso Isodap manufactured by Osaka Soda Co., Ltd. can be used.
- allyl resin represented by formula (3) for example, Radpar (registered trademark) AD-032 manufactured by Osaka Soda Co., Ltd. can be used.
- the weight average molecular weight (Mw) of the allyl resin is preferably 5,000 or more, more preferably 10,000 or more. Mw of the allyl resin is preferably 100,000 or less, more preferably 70,000 or less. In the present disclosure, Mw means a value measured by gel permeation chromatography using polystyrene as a standard substance, and is a value measured by a method based on JIS K 7252-1:2016.
- the allyl resin can be cured by irradiating it with an active energy ray such as ultraviolet rays, or by heating together with a polymerization initiator such as a peroxide, but in the present disclosure, it is better not to cure it. desirable.
- an active energy ray such as ultraviolet rays
- a polymerization initiator such as a peroxide
- the softening temperature of the allyl resin is preferably 55°C or higher, more preferably 60°C or higher.
- the softening temperature of the allyl resin is preferably 120°C or lower, more preferably 115°C or lower.
- the softening temperature is measured by a method conforming to the ring and ball method of JIS K 2207:2006. 1 type(s) or 2 or more types can be used for allyl resin.
- the adhesive layer contains a modified olefin polymer.
- modified olefin polymers include acid-modified olefin polymers (acid-modified olefin polymers), chlorinated olefin polymers (chlorinated olefin polymers), acid-modified olefin polymers, and containing chlorine. (acid-modified chlorinated olefin polymer).
- the acid-modified olefin polymer is not only a graft-modified olefin polymer with at least one selected from unsaturated carboxylic acids and derivatives thereof, but also selected from ⁇ -olefins and unsaturated carboxylic acids and derivatives thereof. Also included are copolymers with at least one of That is, in the acid-modified olefin polymer and the acid-modified chlorinated olefin polymer, the structural unit derived from the unsaturated carboxylic acid and/or its derivative may be contained in the polymer side chain in the form of graft modification, It may be contained in the polymer main chain in the form of a copolymer.
- olefin polymers include homopolymers of ⁇ -olefins, copolymers of two or more kinds of ⁇ -olefins, and copolymers of ⁇ -olefins and other non-polar monomers.
- the form of the copolymer includes, for example, random copolymers and block copolymers.
- ⁇ -olefins examples include ethylene, propylene, 1-butene, 4-methyl-1-pentene, 3-methyl-1-butene, 1-hexene, 1-octene and 1-decene.
- the ⁇ -olefin preferably has 2 or more carbon atoms.
- the number of carbon atoms in the ⁇ -olefin is preferably 20 or less, more preferably 10 or less.
- Preferred ⁇ -olefins are ethylene and propylene.
- One or more ⁇ -olefins can be used.
- non-polar monomers other than ⁇ -olefins examples include styrene-based monomers such as styrene, conjugated dienes such as butadiene, and cyclic olefins such as norbornene.
- the above copolymer preferably contains structural units derived from non-polar monomers other than ⁇ -olefins in an amount of preferably 30% by mass or less, more preferably 20% by mass or less, and even more preferably 10% by mass or less. good.
- the content ratio of each structural unit is measured by nuclear magnetic resonance spectroscopy (NMR).
- NMR nuclear magnetic resonance spectroscopy
- olefin polymers include polyethylene, polypropylene, polybutene and poly-4-methyl-1-pentene.
- polyethylene is not limited to homopolymers of ethylene, but also includes copolymers of ethylene and other monomers, for example. The same applies to polypropylene and the like.
- Unsaturated carboxylic acids include, for example, (meth)acrylic acid, maleic acid, fumaric acid, tetrahydrophthalic acid, itaconic acid, citraconic acid, crotonic acid, isocrotonic acid, norbornenedicarboxylic acid and bicyclo[2.2.1]hept -2-ene-5,6-dicarboxylic acids.
- maleic acid is preferred.
- One or more unsaturated carboxylic acids can be used.
- Derivatives of unsaturated carboxylic acids include, for example, acid anhydrides, acid halides, amides, imides, esters and salts of unsaturated carboxylic acids.
- unsaturated carboxylic acid derivatives include maleic anhydride, itaconic anhydride, citraconic anhydride, tetrahydrophthalic anhydride, bicyclo[2.2.1]hept-2-ene-5,6-dicarboxylic anhydride.
- acid-modified olefin polymers acid-modified polyethylene and acid-modified polypropylene are preferable, acid-modified polypropylene is more preferable, and maleic acid-modified polypropylene and maleic anhydride-modified polypropylene are more preferable.
- acid-modified chlorinated olefin polymers acid-modified chlorinated polyethylene and acid-modified chlorinated polypropylene are preferable, acid-modified chlorinated polypropylene is more preferable, and maleic acid-modified chlorinated polypropylene and maleic anhydride-modified chlorinated polypropylene are more preferable.
- the total proportion of structural units derived from unsaturated carboxylic acids and derivatives thereof is preferably 0.01% by mass or more, more preferably 0.1% by mass or more. is.
- the above total ratio is preferably 25% by mass or less, more preferably 10% by mass or less, and even more preferably 5% by mass or less.
- chlorinated olefin polymers and acid-modified chlorinated olefin polymers are preferred, and acid-modified chlorinated olefin polymers are more preferred, from the viewpoint of image forming properties on PET transfer-receiving materials and PP transfer-receiving materials. .
- the chlorination rate of the chlorinated olefin polymer and the acid-modified chlorinated olefin polymer is preferably 10% by mass or more, more preferably 15% by mass or more.
- the chlorination rate of the chlorinated olefin polymer and the acid-modified chlorinated olefin polymer is preferably 50% by mass or less, more preferably 30% by mass or less. This makes it possible to improve the image forming properties of the thermal transfer sheet on the PET transfer receiving material and the PP transfer receiving material.
- the chlorination rate is measured in accordance with JIS K 7229:1995, a method for quantitative determination of chlorine in chlorine-containing resins.
- the number average molecular weight (Mn) of the modified olefin polymer is preferably 5,000 or more, more preferably 10,000 or more, still more preferably 15,000 or more.
- Mn of the modified olefin polymer is preferably 100,000 or less, more preferably 80,000 or less, still more preferably 70,000 or less.
- Mn means a value measured by gel permeation chromatography using polystyrene as a standard substance, and is a value measured by a method based on JIS K 7252-1:2016.
- One or more modified olefin polymers can be used.
- the content of the allyl resin in the adhesive layer is preferably 10% by mass or more, more preferably 20% by mass or more, and even more preferably 30% by mass or more.
- the allyl resin content in the adhesive layer is preferably 95% by mass or less, more preferably 85% by mass or less.
- the content of the modified olefin polymer in the adhesive layer is preferably 5% by mass or more, more preferably 15% by mass or more.
- the content of the modified olefin polymer in the adhesive layer is preferably 90% by mass or less, more preferably 80% by mass or less, and even more preferably 70% by mass or less. Thereby, for example, the scratch resistance, alcohol resistance and resolution of the formed image can be improved.
- the content of the allyl resin in the adhesive layer is preferably higher than the content of the modified olefin polymer.
- an image that is more excellent in abrasion resistance, alcohol resistance and resolution can be formed on a transfer receiving material such as a PET transfer receiving material and a PP transfer receiving material.
- the content of the allyl resin with respect to the total content of the allyl resin and the modified olefin polymer in the adhesive layer is preferably more than 50% by mass, more preferably 55% by mass or more, and still more preferably 60% by mass or more. Yes, preferably 85% by mass or less, more preferably 80% by mass or less.
- the content of the modified olefin polymer with respect to the total content of the allyl resin and the modified olefin polymer in the adhesive layer is preferably 15% by mass or more, more preferably 20% by mass or more, and preferably 50% by mass. %, more preferably 45% by mass or less, and even more preferably 40% by mass or less.
- the adhesive layer may contain one or more resin materials other than the allyl resin and the modified olefin polymer.
- resin materials include vinyl resins, vinyl acetal resins, (meth)acrylic resins, styrene resins, polyesters, polyamides, polyimides, polycarbonates, cellulose resins and ionomer resins.
- vinyl resins include ethylene-vinyl acetate copolymer resins, vinyl chloride-vinyl acetate copolymer resins, and vinyl acetate resins.
- the (meth)acrylic resin include specific examples described in the section on the colorant layer described later, and styrene-(meth)acrylic copolymer resins.
- the adhesive layer may further contain, for example, at least one selected from ethylene-vinyl acetate copolymer resins and styrene-(meth)acrylic copolymer resins.
- the adhesive layer may further contain an ethylene-vinyl acetate copolymer resin in addition to the allyl resin and the modified olefin polymer. This makes it possible to improve the adhesion of the image to a transfer-receiving material such as a PET transfer-receiving material and a PP transfer-receiving material.
- the adhesive layer may further contain an ethylene-vinyl acetate copolymer resin and a styrene-(meth)acrylic copolymer resin in addition to the allyl resin and the modified olefin polymer.
- an ethylene-vinyl acetate copolymer resin and a styrene-(meth)acrylic copolymer resin in addition to the allyl resin and the modified olefin polymer.
- the melt mass flow rate (MFR) of the ethylene-vinyl acetate copolymer resin is preferably 0.1 g. /10 minutes or more, more preferably 1 g/10 minutes or more, still more preferably 5 g/10 minutes or more.
- the MFR of the ethylene-vinyl acetate copolymer resin is preferably 50 g/10 minutes or less, more preferably 30 g/10 minutes or less, and even more preferably 25 g/10 minutes or less.
- An ethylene-vinyl acetate copolymer resin is a resin having structural units derived from ethylene and structural units derived from vinyl acetate (vinyl acetate units).
- the content of vinyl acetate units (vinyl acetate content) measured in accordance with JIS K 7192:1999 in the ethylene-vinyl acetate copolymer resin is preferably 5% by mass or more, more preferably 10% by mass or more, and further Preferably, it is 15% by mass or more.
- the vinyl acetate content in the ethylene-vinyl acetate copolymer resin is preferably 50% by mass or less, more preferably 45% by mass or less, and even more preferably 40% by mass or less.
- the MFR of the styrene-(meth)acrylic copolymer resin measured in accordance with JIS K 7210-1:2014 under the conditions of A method, a temperature of 200°C, and a load of 5 kg is preferably 0.1 g/10 minutes or more, It is more preferably 0.2 g/10 minutes or more, still more preferably 0.5 g/10 minutes or more.
- the MFR of the styrene-(meth)acrylic copolymer resin is preferably 30 g/10 minutes or less, more preferably 10 g/10 minutes or less, and even more preferably 5 g/10 minutes or less.
- a styrene-(meth)acrylic copolymer resin is a resin having structural units derived from styrene and structural units derived from (meth)acrylic acid or (meth)acrylic acid ester.
- the styrene-(meth)acrylic copolymer resin may have structural units derived from (meth)acrylic acid and structural units derived from (meth)acrylic ester. Examples of the (meth)acrylic acid ester include specific examples described in the section of the coloring material layer described later.
- the content of the ethylene-vinyl acetate copolymer resin in the adhesive layer is preferably 1 part by mass or more, more preferably 5 parts by mass or more, relative to the total 100 parts by mass of the content of the allyl resin and the modified olefin polymer. It is preferably 15 parts by mass or more, preferably 35 parts by mass or less, more preferably 30 parts by mass or less, and even more preferably 25 parts by mass or less. This makes it possible to improve the adhesion of the image to a transfer-receiving material such as a PET transfer-receiving material and a PP transfer-receiving material.
- the content of the styrene-(meth)acrylic copolymer resin in the adhesive layer is preferably 1 part by mass or more, more preferably 5 parts by mass or more with respect to the total 100 parts by mass of the content of the allyl resin and the modified olefin polymer. , more preferably 15 parts by mass or more, preferably 35 parts by mass or less, more preferably 30 parts by mass or less, and even more preferably 25 parts by mass or less.
- the blocking resistance of the thermal transfer sheet can be improved.
- the adhesive layer may contain one or more additives.
- Additives include, for example, fillers, plasticizers, antistatic agents, ultraviolet absorbers, inorganic particles, organic particles, colorants, release agents, and dispersants.
- the thickness of the adhesive layer is preferably 0.1 ⁇ m or more, more preferably 0.15 ⁇ m or more, and even more preferably 0.2 ⁇ m or more.
- the thickness of the adhesive layer is preferably 10.0 ⁇ m or less, more preferably 8.0 ⁇ m or less, still more preferably 5.0 ⁇ m or less. As a result, for example, it is possible to improve the printability of the thermal transfer sheet on the transfer-receiving material.
- the adhesive layer is formed by, for example, dispersing or dissolving the above materials in water or a suitable organic solvent to prepare a coating solution, and applying the coating solution on an object by a known means to form a coating film, It can be formed by drying the coating film.
- known coating methods include roll coating, reverse roll coating, gravure coating, reverse gravure coating, bar coating and rod coating.
- the transfer layer in one embodiment, may comprise a colorant layer.
- the colorant layer contains a colorant and, in one embodiment, further contains a resin material.
- the coloring material may be a dye or a pigment.
- colorants include red colorants, yellow colorants, blue colorants, green colorants, black colorants, white colorants, metallic pigments, and pearl pigments.
- red colorants include cadmium red, cadmopon red, chrome red, vermilion, red iron oxide, azo pigments, alizarin lake, quinacridone and cochinyl lake perylene.
- Yellow colorants include, for example, yellow ocher, aureolin, cadmium yellow, cadmium orange, chrome yellow, zinc yellow, Naples yellow, nickel yellow, azo pigments, and greenish yellow.
- Blue colorants include, for example, ultramarine, rock ultramarine, cobalt, phthalocyanine, anthraquinone, and indicoid.
- green colorants include cinnabar green, cadmium green, chrome green, phthalocyanine, azomethine, and perylene.
- black colorant include carbon black.
- White colorants include, for example, silica, calcium carbonate, and titanium oxide.
- Metallic pigments include, for example, aluminum, nickel, chromium, brass, tin, brass, bronze, zinc, silver, platinum, gold and their oxides, and metal-deposited glass.
- Pearl pigments include, for example, alumina pigments and mica pigments coated with oxides of metals such as titanium, iron, zirconium, silicon, aluminum and cerium.
- One or two or more coloring materials can be used.
- the content of the colorant in the colorant layer is preferably 10% by mass or more.
- the content of the colorant in the colorant layer is preferably 60% by mass or less.
- resin materials include allyl resins, polyolefins, vinyl resins, (meth)acrylic resins, styrene resins, polyesters, polyamides, polyimides, polycarbonates, cellulose resins, and ionomer resins.
- vinyl resins include ethylene-vinyl acetate copolymer resins, vinyl chloride-vinyl acetate copolymer resins, vinyl chloride resins and vinyl acetate resins.
- allyl resins, vinyl chloride-vinyl acetate copolymer resins, (meth)acrylic resins and polyesters are preferred.
- Allyl resins are more preferable, and diallyl phthalate resins are particularly preferable, from the viewpoint that the resolution of the formed image can be improved.
- Vinyl chloride-vinyl acetate copolymer resins and (meth)acrylic resins are preferred from the viewpoint that the blocking resistance of the thermal transfer sheet can be improved.
- the details of the allyl resin are as described above.
- the allyl resin for the colorant layer and the allyl resin for the adhesive layer may be the same or different. 1 type(s) or 2 or more types can be used for allyl resin.
- the weight average molecular weight (Mw) of the allyl resin is preferably 5,000 or more, more preferably 10,000 or more. Mw of the allyl resin is preferably 100,000 or less, more preferably 70,000 or less, still more preferably 50,000 or less, and even more preferably 40,000 or less. When Mw is 50,000 or less, for example, the resolution of the formed image can be further improved.
- the number average molecular weight (Mn) of the vinyl chloride-vinyl acetate copolymer resin is preferably 5,000 or more, more preferably 10,000 or more.
- Mn of the vinyl chloride-vinyl acetate copolymer resin is preferably 80,000 or less, more preferably 60,000 or less, still more preferably 50,000 or less.
- the content of vinyl acetate units (vinyl acetate content) in the vinyl chloride-vinyl acetate copolymer resin is preferably 1% by mass or more, more preferably 5% by mass or more.
- the vinyl acetate content in the vinyl chloride-vinyl acetate copolymer resin is preferably 30% by mass or less, more preferably 20% by mass or less.
- the glass transition temperature (Tg) of the vinyl chloride-vinyl acetate copolymer resin is preferably 40° C. or higher, more preferably 50° C. or higher, from the viewpoint of maintaining stability in the product form.
- the Tg of the vinyl chloride-vinyl acetate copolymer resin is preferably 95° C. or less, more preferably 85° C. or less.
- the weight average molecular weight (Mw) of the (meth)acrylic resin is preferably 5,000 or more, more preferably 10,000 or more.
- Mw of the (meth)acrylic resin is preferably 80,000 or less, more preferably 60,000 or less, and even more preferably 50,000 or less.
- the glass transition temperature (Tg) of the (meth)acrylic resin is preferably 50°C or higher, more preferably 60°C or higher, from the viewpoint of maintaining stability in the product form.
- the Tg of the (meth)acrylic resin is preferably 130° C. or lower, more preferably 120° C. or lower.
- (Meth)acrylic resins include, for example, polymers of (meth)acrylic acid or derivatives thereof, polymers of (meth)acrylic acid esters or derivatives thereof, copolymers of (meth)acrylic acid and other monomers, or derivatives thereof, copolymers of (meth)acrylic acid esters with other monomers, and derivatives thereof.
- (Meth)acrylic acid esters include, for example, alkyl (meth)acrylates, hydroxyalkyl (meth)acrylates, and cyclic skeleton-containing (meth)acrylates.
- Other monomers include, for example, styrene, vinyl chloride and (meth)acrylamide.
- Alkyl (meth)acrylates include, for example, methyl (meth)acrylate, ethyl (meth)acrylate, propyl (meth)acrylate, butyl (meth)acrylate and lauryl (meth)acrylate.
- Hydroxyalkyl (meth)acrylates include, for example, 2-hydroxyethyl (meth)acrylate and 2-hydroxypropyl (meth)acrylate.
- Cyclic skeleton-containing (meth)acrylates include, for example, cycloalkyl (meth)acrylates, isobornyl (meth)acrylates, dicyclopentanyl (meth)acrylates, phenyl (meth)acrylates and benzyl (meth)acrylates.
- (meth)acrylic resins include polymethyl (meth)acrylate, polyethyl (meth)acrylate, polypropyl (meth)acrylate, polybutyl (meth)acrylate, and methyl (meth)acrylate-butyl (meth)acrylate. polymers, ethyl (meth)acrylate-butyl (meth)acrylate copolymers, and styrene-methyl (meth)acrylate copolymers.
- Polyester means a copolymer of a dicarboxylic acid compound and a diol compound.
- dicarboxylic acid compounds include malonic acid, succinic acid, glutaric acid, adipic acid, suberic acid, sebacic acid, dodecanedioic acid, eicosandioic acid, pimelic acid, azelaic acid, methylmalonic acid, ethylmalonic acid, and adamantane.
- dicarboxylic acid norbornene dicarboxylic acid, cyclohexanedicarboxylic acid, decalinedicarboxylic acid, terephthalic acid, isophthalic acid, phthalic acid, 1,4-naphthalenedicarboxylic acid, 1,5-naphthalenedicarboxylic acid, 2,6-naphthalenedicarboxylic acid, 1, 8-naphthalenedicarboxylic acid, 4,4'-diphenyldicarboxylic acid, 4,4'-diphenyletherdicarboxylic acid, 5-sodiumsulfoisophthalic acid, phenylendanedicarboxylic acid, anthracenedicarboxylic acid, phenanthenedicarboxylic acid, 9,9'-bis (4-Carboxyphenyl)fluoric acid and their ester derivatives.
- 1 type(s) or 2 or more types can be used for a dicarboxylic acid compound.
- diol compounds examples include ethylene glycol, 1,2-propanediol, 1,3-propanediol, butanediol, 2-methyl-1,3-propanediol, hexanediol, neopentyl glycol, cyclohexanedimethanol, and cyclohexane.
- the polyester may have structural units derived from compounds (other compounds) other than the dicarboxylic acid compound and the diol compound.
- the content of structural units derived from other compounds in the polyester is preferably 10% by mass or less, more preferably 5% by mass or less, and even more preferably 3% by mass or less. 1 type(s) or 2 or more types can be used for polyester.
- the polyester has a number average molecular weight (Mn) of preferably 2,000 or more, more preferably 3,000 or more, and even more preferably 4,000 or more.
- Mn of the polyester is preferably 20,000 or less, more preferably 15,000 or less, and even more preferably 12,000 or less.
- Mn means a value measured by gel permeation chromatography using polystyrene as a standard substance, and is a value measured by a method based on JIS K 7252-1:2016.
- the glass transition temperature (Tg) of polyester is preferably 20° C. or higher, more preferably 50° C. or higher, from the viewpoint of maintaining stability in product form.
- the Tg of the polyester is preferably 90°C or lower, more preferably 80°C or lower.
- Tg is a value determined by differential scanning calorimetry (DSC) in accordance with JIS K 7121:2012.
- Amorphous polyester is preferable as the polyester.
- the content of the resin material in the colorant layer is preferably 40% by mass or more.
- the content of the resin material in the colorant layer is preferably 90% by mass or less.
- the colorant layer may contain allyl resin as the resin material.
- the content of the allyl resin in the resin material in the colorant layer is preferably 50% by mass or more, more preferably 70% by mass or more, and still more preferably 80% by mass or more, 85% by mass or more, 90% by mass or more, or 95% by mass. % or more. Thereby, for example, the resolution of the formed image can be improved.
- the content of the allyl resin in the resin material in the colorant layer is preferably 10% by mass or more, more preferably 20% by mass or more, still more preferably 30% by mass or more, and particularly preferably 40% by mass or more.
- the colorant layer may contain a vinyl chloride-vinyl acetate copolymer resin as a resin material.
- the content of the vinyl chloride-vinyl acetate copolymer resin in the resin material in the colorant layer is preferably 10% by mass or more, more preferably 20% by mass or more, still more preferably 30% by mass or more, and particularly preferably 40% by mass. That's it.
- the content of the vinyl chloride-vinyl acetate copolymer resin in the resin material in the colorant layer is preferably 90% by mass or less, more preferably 80% by mass or less, even more preferably 65% by mass or less, and particularly preferably 60% by mass. It is below.
- blocking resistance of the thermal transfer sheet and other physical properties such as durability and resolution of the formed image can be improved in a well-balanced manner.
- the colorant layer may contain an allyl resin such as diallyl phthalate resin and a vinyl chloride-vinyl acetate copolymer resin as resin materials.
- an allyl resin such as diallyl phthalate resin and a vinyl chloride-vinyl acetate copolymer resin as resin materials.
- the content of the allyl resin in the resin material in the coloring material layer containing the allyl resin and the vinyl chloride-vinyl acetate copolymer resin is preferably 10% by mass or more, more preferably 20% by mass or more, and still more preferably 35% by mass. % or more, particularly preferably 40 mass % or more, preferably 90 mass % or less, more preferably 80 mass % or less, still more preferably 70 mass % or less, and particularly preferably 60 mass % or less.
- the abrasion resistance, alcohol resistance and resolution of the formed image and the blocking resistance of the thermal transfer sheet can be improved in a well-balanced manner.
- the adhesive layer contains an allyl resin, a modified olefin polymer, an ethylene-vinyl acetate copolymer resin and optionally a styrene-(meth)acrylic copolymer resin
- a coloring material layer contains an allyl resin and a vinyl chloride-vinyl acetate copolymer resin.
- the colorant layer may contain a (meth)acrylic resin and a vinyl chloride-vinyl acetate copolymer resin as resin materials.
- a (meth)acrylic resin and a vinyl chloride-vinyl acetate copolymer resin as resin materials.
- the content of the (meth)acrylic resin in the resin material in the coloring material layer containing the (meth)acrylic resin and the vinyl chloride-vinyl acetate copolymer resin is preferably 10% by mass or more, more preferably 20% by mass or more. , More preferably 30% by mass or more, particularly preferably 40% by mass or more, preferably 90% by mass or less, more preferably 80% by mass or less, still more preferably 70% by mass or less, particularly preferably 60% by mass or less be.
- the content of the vinyl chloride-vinyl acetate copolymer resin in the resin material in the coloring material layer containing the (meth)acrylic resin and the vinyl chloride-vinyl acetate copolymer resin is preferably 10% by mass or more, more preferably 20% by mass. % by mass or more, more preferably 30% by mass or more, particularly preferably 40% by mass or more, preferably 90% by mass or less, more preferably 80% by mass or less, even more preferably 70% by mass or less, particularly preferably 60% by mass % or less.
- the adhesive layer contains an allyl resin, a modified olefin polymer, an ethylene-vinyl acetate copolymer resin and optionally a styrene-(meth)acrylic copolymer resin
- a coloring material layer contains a (meth)acrylic resin and a vinyl chloride-vinyl acetate copolymer resin.
- the coloring material layer may contain one or more of the above additives.
- the thickness of the coloring material layer is preferably 0.1 ⁇ m or more, more preferably 0.3 ⁇ m or more, from the viewpoint of the image density formed on the transferred material.
- the thickness of the coloring material layer is preferably 10.0 ⁇ m or less, more preferably 5.0 ⁇ m or less.
- the transfer layer in the thermal transfer sheet may include a release layer as the layer closest to the substrate among the layers constituting the transfer layer.
- the release layer is a layer that is transferred together with the adhesive layer and the coloring material layer during thermal transfer. By providing the release layer, the transferability of the transfer layer can be improved.
- the release layer is transferred as a part of the transfer layer during thermal transfer, and after transfer, becomes the surface layer of the thermally transferred image, and acts to improve the abrasion resistance of the thermally transferred image.
- Components contained in the release layer include, for example, waxes and resin materials. Among these, wax is preferable from the viewpoint of improving the releasability of the transfer layer during thermal transfer.
- Waxes include, for example, natural waxes, synthetic waxes, higher saturated fatty acids, higher saturated monohydric alcohols, higher fatty acid esters and higher fatty acid amides.
- Natural waxes include, for example, beeswax, spermaceti, Japan wax, rice bran wax, carnauba wax, candelilla wax and montan wax.
- Synthetic waxes include, for example, paraffin wax, microcrystalline wax, silicone wax, oxidized wax, ozokerite, ceresin, ester wax and polyethylene wax.
- Higher saturated fatty acids include, for example, margaric acid, lauric acid, myristic acid, palmitic acid, stearic acid, furoic acid and behenic acid.
- Higher saturated monohydric alcohols include, for example, stearyl alcohol and behenyl alcohol.
- higher fatty acid esters include fatty acid esters of sorbitan.
- Higher fatty acid amides include, for example, stearic acid amide and oleic acid amide.
- One or more waxes can be used.
- resin materials include (meth)acrylic resins, vinyl resins, cellulose resins, polyesters, polyurethanes, silicone resins, fluorine resins, and various resins modified with silicone or fluorine.
- Vinyl resins include, for example, vinyl chloride resins, vinyl acetate resins, and vinyl chloride-vinyl acetate copolymer resins. One or two or more resin materials can be used.
- the total content of wax and resin material in the release layer is preferably 70% by mass or more and 100% by mass or less, more preferably 80% by mass or more and 100% by mass or less.
- the release layer may contain a rubber component along with the wax and/or resin material.
- the peeling layer can be made elastic, and the adhesion between the transfer layer and the transferred material can be improved.
- rubber components include styrene-butadiene rubber, butadiene rubber, isoprene rubber, butyl rubber and nitrile rubber.
- the release layer contains a rubber component, the content of the rubber component in the release layer is preferably 5% by mass or more. The content of the rubber component in the release layer is preferably 15% by mass or less.
- the release layer may contain one or more additives.
- Additives include, for example, metal soaps, plasticizers, antistatic agents, ultraviolet absorbers, inorganic particles, organic particles, colorants, release agents and dispersants.
- the content of the additive in the release layer is preferably 0.5% by mass or more.
- the content of the additive in the release layer is preferably 2.5% by mass or less.
- the thickness of the release layer is preferably 0.1 ⁇ m or more, more preferably 0.2 ⁇ m or more. Thereby, for example, transferability and resolution can be improved.
- the thickness of the release layer is preferably 5.0 ⁇ m or less, more preferably 1.5 ⁇ m or less.
- the thermal transfer sheet of the present disclosure may include a backing layer on the side of the substrate that is not provided with the transfer layer.
- the thermal transfer sheet is provided with the backing layer, for example, the occurrence of sticking and wrinkles due to heating during thermal transfer can be suppressed.
- the back layer in one embodiment, contains a resin material.
- resin materials include silicone resins, (meth)acrylic-modified silicone resins, vinyl resins, styrene resins, (meth)acrylic resins, polyesters, polyurethanes, silicone-modified polyurethanes, fluorine-modified polyurethanes, and cellulose resins.
- One or two or more resin materials can be used.
- the back layer contains, as a resin material, a resin that cures when used in combination with an isocyanate compound.
- resins include polyvinyl acetals such as polyvinyl acetoacetal and polyvinyl butyral. 1 type(s) or 2 or more types can be used for an isocyanate compound.
- the back layer may contain one or more of the above additives.
- the back layer may contain particles such as inorganic particles and organic particles.
- Inorganic particles include, for example, clay minerals, carbonates, hydroxides, sulfates, oxides, graphite, saltpeter and boron nitride.
- Clay minerals include, for example, talc and kaolin.
- Carbonates include, for example, calcium carbonate and magnesium carbonate.
- Hydroxides include, for example, aluminum hydroxide and magnesium hydroxide.
- Sulfates include, for example, calcium sulfate. Examples of oxides include silica.
- organic particles examples include organic resin particles made of a resin, and crosslinked resin particles obtained by reacting the resin with a crosslinking agent.
- the resin examples include (meth)acrylic resin, Teflon (registered trademark) resin, silicone resin, lauroyl resin, styrene resin, acetal resin, phenol resin and amide resin.
- One or two or more kinds of particles can be used.
- the thickness of the back layer is preferably 0.1 ⁇ m or more. As a result, for example, the transferability of thermal energy during thermal transfer can be improved, and the occurrence of sticking and wrinkles can be suppressed.
- the thickness of the back layer is preferably 2.0 ⁇ m or less, more preferably 1.0 ⁇ m or less.
- Examples of transfer-receiving materials include resin films and paper substrates.
- Examples of the resin film include the resin films described above as the base material for the thermal transfer sheet.
- Examples of paper substrates include woodfree paper, plain paper, art paper, coated paper, resin-coated paper, cast-coated paper, paperboard, synthetic paper, and impregnated paper.
- the object to be transferred may be a laminate comprising two or more resin films, a laminate comprising two or more paper substrates, or a laminate comprising one or more resin films and one or more paper substrates. .
- the print manufacturing method of the present disclosure includes: A step of preparing a thermal transfer sheet and a transfer-receiving material of the present disclosure (preparation step); and a step (transfer step) of thermally transferring the transfer layer of the thermal transfer sheet onto an object to be transferred.
- a method for producing a print according to the present disclosure includes a step of thermally transferring at least part of a transfer layer from a thermal transfer sheet onto a transfer material.
- a transfer material such as addresses, customer information, numbers, and barcodes.
- the transfer layer of the thermal transfer sheet and the surface of the material to be transferred are brought into contact with each other, and then energy is applied to a desired area of the thermal transfer sheet to transfer the transfer layer in the area onto the material to be transferred. In this manner, an image can be formed on the transfer receiving material.
- a thermal transfer sheet and an object to be transferred are superimposed and passed between a thermal head and a platen roller provided in a thermal transfer printer, and the thermal head heats the thermal transfer sheet to transfer an image. can be formed.
- the printed matter of the present disclosure includes a transfer-receiving body and a transfer layer provided on the transfer-receiving body.
- the transfer layer comprises an adhesive layer.
- the adhesive layer contains an allyl resin and a modified olefin polymer. The adhesive layer is in contact with the transferred material.
- the details of each component in the printed material are as described above, and the description in this column is omitted.
- the printed matter of the present disclosure can be produced, for example, by the method for producing the printed matter described above.
- the present disclosure relates to, for example, the following [1] to [12].
- a thermal transfer sheet comprising a substrate and a transfer layer provided on the substrate, the transfer layer comprising an adhesive layer, the adhesive layer forming a surface layer on one side of the thermal transfer sheet, A thermal transfer sheet, wherein the adhesive layer contains an allyl resin and a modified olefin polymer.
- the adhesive layer further contains at least one selected from ethylene-vinyl acetate copolymer resin and styrene-(meth)acrylic copolymer resin.
- Printing comprising the steps of: preparing the thermal transfer sheet and a transfer-receiving material according to any one of the above [1] to [10]; and thermally transferring a transfer layer of the thermal transfer sheet onto the transfer-receiving material.
- a method of making things [12] A printed matter comprising a transfer-receiving material and a transfer layer provided on the transfer-receiving material, wherein the transfer layer comprises an adhesive layer in direct contact with the transfer-receiving material, and the adhesive layer is made of an allyl resin. and a modified olefin polymer.
- Example 1 On one side of a polyethylene terephthalate (PET) film with a thickness of 4.5 ⁇ m, a release layer coating liquid having the following composition was applied and dried to form a release layer with a thickness of 0.5 ⁇ m. A colorant layer coating liquid having the following composition was applied onto the release layer and dried to form a colorant layer having a thickness of 0.8 ⁇ m. An adhesive layer coating liquid having the following composition was applied onto the colorant layer and dried to form an adhesive layer having a thickness of 0.25 ⁇ m. On the other side of the PET film, a back layer coating liquid having the following composition was applied and dried to form a back layer having a thickness of 0.3 ⁇ m. Thus, a thermal transfer sheet was obtained.
- PET polyethylene terephthalate
- ⁇ Coating solution for release layer > ⁇ Carnauba wax 10 parts (Torasol O-102, Chukyo Yushi Co., Ltd.) ⁇ Styrene-butadiene rubber 1 part (LX430, Nippon Zeon Co., Ltd.) ⁇ 10 parts of water ⁇ 30 parts of isopropyl alcohol (IPA)
- Examples 2 to 22, Comparative Examples 1 to 8 A thermal transfer sheet was produced in the same manner as in Example 1, except that the types and blending amounts of the resin materials in the adhesive layer and the coloring material layer were changed as shown in Tables 1 to 3.
- ⁇ Acrylic resin Dianal (registered trademark) BR-87, Mw25,000, Tg105°C, Mitsubishi Chemical Corporation - Amorphous polyester: Vylon (registered trademark) GK250, Mn10,000, Tg60°C, Toyobo Co., Ltd. Amorphous polyester: Elitel (registered trademark) UE3380, Mn 8,000, Tg 60°C, Unitika Ltd.
- ⁇ Ethylene-vinyl acetate copolymer resin Evaflex® EV250, MFR 15 g/10 min, vinyl acetate content 28% by mass, Mitsui-Dow Polychemicals Co., Ltd.
- ⁇ Vinyl chloride-vinyl acetate copolymer resin SOLBIN® CL, Mn 25,000, vinyl acetate content 14% by mass, Tg 70°C, Nissin Chemical Industry Co., Ltd.
- the transfer layer included in the thermal transfer sheet is transferred to the PET surface of the PET-LLDPE laminated film that is the object to be transferred.
- a picket barcode image was formed on the OPP surface of the OPP-CPP laminated film.
- the transfer conditions were a print density of 100%, a print speed of 200 mm/sec, and a pressure of 3.0 kgf/cm 2 .
- ⁇ Scratch resistance> The surface of the image formed as described above was rubbed back and forth with a fingernail 20 times in an environment of 22.5° C. and a relative humidity of 40%. The image after rubbing was evaluated by the bar code checker described above and evaluated according to the following evaluation criteria.
- A The judgment result by the bar code checker after rubbing was A judgment.
- B The judgment result by the barcode checker after rubbing was B or C judgment.
- D The judgment result by the bar code checker after rubbing was D judgment or less.
- ⁇ Alcohol resistance> The surface of the image formed as described above was placed in an environment of 22.5° C. and a relative humidity of 40% using a Gakushin rubbing fastness tester (manufactured by Tester Sangyo Co., Ltd., AB-301), and isopropanol was added. A cotton cloth impregnated with 0.5 cc was rubbed 50 times with a load of 200 g. The image after rubbing was evaluated by the bar code checker described above and evaluated according to the following evaluation criteria.
- A The judgment result by the bar code checker after rubbing was A judgment.
- B The judgment result by the barcode checker after rubbing was B or C judgment.
- D The judgment result by the bar code checker after rubbing was D judgment or less.
- the transfer layer included in the thermal transfer sheet is transferred to the PET surface of the PET-LLDPE laminated film that is the object to be transferred.
- a fine character image was formed on the OPP surface of the OPP-CPP laminated film.
- the transfer conditions were a print density of 100%, a print speed of 400 mm/sec, and a pressure of 3.0 kgf/cm 2 .
- the surface of the image formed as described above was rubbed back and forth with a cotton cloth three times under an environment of 22.5° C. and a relative humidity of 40%. The image after rubbing was visually observed and evaluated based on the following evaluation criteria.
- thermal transfer sheets and the like of the present disclosure are not limited by the description of the above examples, and the above examples and specification are merely for the purpose of illustrating the principles of the present disclosure. Various modifications or improvements may be made without departing from the spirit and scope of the present disclosure, and any such modifications or improvements are included within the scope of the claimed disclosure. Moreover, what is claimed by this disclosure includes not only the recitation of the claims, but also their equivalents.
- Thermal transfer sheet 10 Base material 20: Transfer layer 22: Adhesive layer 24: Color material layer 26: Release layer 30: Back layer
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Abstract
Description
本開示の印画物の製造方法は、上記熱転写シート及び被転写体を準備する工程と、被転写体上に、熱転写シートが備える転写層を熱転写する工程とを含む。
本開示の印画物は、被転写体と、被転写体上に設けられた転写層と、を備える。転写層は、被転写体に直接接する接着層を備える。接着層は、アリル樹脂と変性オレフィン重合体とを含有する。
本開示の熱転写シートは、基材と、基材上に設けられた転写層と、を備える。転写層は、接着層を備える。接着層は、熱転写シートにおける一方側の表層を構成する。転写層は、色材層をさらに備えてもよい。転写層は、剥離層をさらに備えてもよい。
図1に示す熱転写シート1は、基材10と、転写層20とを備える。転写層20は、接着層22からなる。接着層22は、熱転写シート1における一方側の表層を構成する。
以下、本開示の熱転写シートが備える各層について説明する。
基材は、熱転写時に加えられる熱エネルギーに耐え得る耐熱性を有し、基材上に設けられる転写層等を支持できる機械的強度及び耐溶剤性を有していれば、特に制限なく使用できる。
基材の厚さは、好ましくは3.0μm以上である。基材の厚さは、好ましくは25.0μm以下である。
本開示の熱転写シートは、基材上に熱転写によって剥離可能に設けられた転写層を備える。転写層は、接着層を備える。転写層は、色材層をさらに備えてもよい。転写層は、剥離層をさらに備えてもよい。接着層は、熱転写シートにおける一方側の表層を構成し、転写層が多層構造を有する場合は、転写層における基材側とは反対側の表層を構成する。接着層は、転写層が被転写体上に転写される際に、被転写体と接する層である。剥離層は、転写層における基材側の表層を構成する。
接着層は、アリル樹脂と変性オレフィン重合体とを含有する。
接着層がアリル樹脂と変性オレフィン重合体とを含有することにより、被転写体上に形成される画像の解像度を維持しながら、画像の耐久性、具体的には耐擦過性及び耐アルコール性を良好なものとすることができる。
アリル樹脂は1種又は2種以上用いることができる。
変性オレフィン重合体としては、例えば、オレフィン重合体の酸変性物(酸変性オレフィン重合体)、オレフィン重合体の塩素化物(塩素化オレフィン重合体)、オレフィン重合体の酸変性物であり、かつ塩素化物(酸変性塩素化オレフィン重合体)が挙げられる。
変性オレフィン重合体は1種又は2種以上用いることができる。
転写層は、一実施形態において、色材層を備えてもよい。
色材層は、色材を含有し、一実施形態においてさらに樹脂材料を含有する。
色材は1種又は2種以上用いることができる。
色材層中の色材の含有割合は、好ましくは10質量%以上である。色材層中の色材の含有割合は、好ましくは60質量%以下である。
アリル樹脂は1種又は2種以上用いることができる。
アリル樹脂の重量平均分子量(Mw)は、好ましくは5,000以上、より好ましくは10,000以上である。アリル樹脂のMwは、好ましくは100,000以下、より好ましくは70,000以下、さらに好ましくは50,000以下、よりさらに好ましくは40,000以下である。Mwが50,000以下であると、例えば、形成される画像の解像度をさらに良好なものとすることができる。
塩化ビニル-酢酸ビニル共重合樹脂のガラス転移温度(Tg)は、製品形態での安定性を維持する観点から、好ましくは40℃以上、より好ましくは50℃以上である。塩化ビニル-酢酸ビニル共重合樹脂のTgは、好ましくは95℃以下、より好ましくは85℃以下である。
ジカルボン酸化合物としては、例えば、マロン酸、コハク酸、グルタル酸、アジピン酸、スベリン酸、セバシン酸、ドデカンジオン酸、エイコサンジオン酸、ピメリン酸、アゼライン酸、メチルマロン酸、エチルマロン酸、アダマンタンジカルボン酸、ノルボルネンジカルボン酸、シクロヘキサンジカルボン酸、デカリンジカルボン酸、テレフタル酸、イソフタル酸、フタル酸、1,4-ナフタレンジカルボン酸、1,5-ナフタレンジカルボン酸、2,6-ナフタレンジカルボン酸、1,8-ナフタレンジカルボン酸、4,4’-ジフェニルジカルボン酸、4,4’-ジフェニルエーテルジカルボン酸、5-ナトリウムスルホイソフタル酸、フェニルエンダンジカルボン酸、アントラセンジカルボン酸、フェナントレンジカルボン酸、9,9’-ビス(4-カルボキシフェニル)フルオレン酸及びこれらのエステル誘導体が挙げられる。ジカルボン酸化合物は1種又は2種以上用いることができる。
ポリエステルは1種又は2種以上用いることができる。
ポリエステルとしては、非晶性ポリエステルが好ましい。
色材層中の樹脂材料の含有割合は、好ましくは40質量%以上である。色材層中の樹脂材料の含有割合は、好ましくは90質量%以下である。
熱転写シートにおける転写層は、一実施形態において、転写層を構成する層のうち、基材の最も近くに位置する層として剥離層を備えてもよい。剥離層は、熱転写時に接着層及び色材層と共に転写される層である。剥離層を設けることにより、転写層の転写性を良好なものとすることができる。剥離層は、熱転写時に転写層の一部として転写され、転写後は熱転写画像の表層となり、熱転写画像の耐擦過性を良好なものとする作用をする。
ワックスは1種又は2種以上用いることができる。
樹脂材料は1種又は2種以上用いることができる。
剥離層がゴム成分を含有する場合、剥離層におけるゴム成分の含有割合は、好ましくは5質量%以上である。剥離層におけるゴム成分の含有割合は、好ましくは15質量%以下である。
剥離層が添加剤を含有する場合、剥離層における添加剤の含有割合は、好ましくは0.5質量%以上である。剥離層における添加剤の含有割合は、好ましくは2.5質量%以下である。
本開示の熱転写シートは、一実施形態において、基材における転写層が設けられていない面上に、背面層を備えてもよい。熱転写シートが背面層を備えることにより、例えば、熱転写時の加熱によるスティッキング及びシワの発生等を抑制できる。
無機粒子としては、例えば、粘土鉱物、炭酸塩、水酸化物、硫酸塩、酸化物、グラファイト、硝石及び窒化ホウ素が挙げられる。粘土鉱物としては、例えば、タルク及びカオリンが挙げられる。炭酸塩としては、例えば、炭酸カルシウム及び炭酸マグネシウムが挙げられる。水酸化物としては、例えば、水酸化アルミニウム及び水酸化マグネシウムが挙げられる。硫酸塩としては、例えば、硫酸カルシウムが挙げられる。酸化物としては、例えば、シリカが挙げられる。
粒子は1種又は2種以上用いることができる。
被転写体としては、例えば、樹脂フィルム及び紙基材が挙げられる。
樹脂フィルムとしては、熱転写シートにおける基材として説明した上記樹脂フィルムが挙げられる。紙基材としては、例えば、上質紙、普通紙、アート紙、コート紙、レジンコート紙、キャストコート紙、板紙、合成紙及び含浸紙が挙げられる。被転写体は、2種以上の樹脂フィルムを備える積層体、2種以上の紙基材を備える積層体、又は1種以上の樹脂フィルムと1種以上の紙基材とを備える積層体でもよい。
本開示の印画物の製造方法は、
本開示の熱転写シート及び被転写体を準備する工程(準備工程)と、
被転写体上に、上記熱転写シートが備える転写層を熱転写する工程(転写工程)と
を含む。
熱転写シート及び被転写体の詳細は、上述したとおりである。
本開示の印画物の製造方法は、被転写体上に、熱転写シートから転写層の少なくとも一部を熱転写する工程を含む。これにより、文字、線画、模様、記号及びこれらの組合せ等から構成される画像を、被転写体に形成できる。画像としては、例えば、宛名、顧客情報、番号及びバーコード等の可変情報が挙げられる。
本開示の印画物は、被転写体と、被転写体上に設けられた転写層と、を備える。転写層は、接着層を備える。接着層は、アリル樹脂と変性オレフィン重合体とを含有する。接着層は、被転写体に接している。
[1]基材と、基材上に設けられた転写層と、を備える熱転写シートであって、転写層が、接着層を備え、接着層が、熱転写シートにおける一方側の表層を構成し、接着層が、アリル樹脂と変性オレフィン重合体とを含有する、熱転写シート。
[2]アリル樹脂が、ジアリルフタレート樹脂である、上記[1]に記載の熱転写シート。
[3]接着層が、エチレン-酢酸ビニル共重合樹脂及びスチレン-(メタ)アクリル共重合樹脂から選択される少なくとも1種をさらに含有する、上記[1]又は[2]に記載の熱転写シート。
[4]転写層が、色材層をさらに備え、色材層が、色材と樹脂材料とを含有する、上記[1]~[3]のいずれかに記載の熱転写シート。
[5]樹脂材料が、アリル樹脂である、上記[4]に記載の熱転写シート。
[6]色材層が、樹脂材料として、(メタ)アクリル樹脂と塩化ビニル-酢酸ビニル共重合樹脂とを含有する、上記[4]に記載の熱転写シート。
[7]色材層が、樹脂材料として、アリル樹脂と塩化ビニル-酢酸ビニル共重合樹脂とを含有する、上記[4]に記載の熱転写シート。
[8]転写層が、剥離層をさらに備え、剥離層が、転写層における基材側の表層を構成する、上記[1]~[7]のいずれかに記載の熱転写シート。
[9]接着層におけるアリル樹脂の含有割合が10質量%以上95質量%以下であり、変性オレフィン重合体の含有割合が5質量%以上90質量%以下である、上記[1]~[8]のいずれかに記載の熱転写シート。
[10]接着層におけるアリル樹脂の含有割合が、変性オレフィン重合体の含有割合よりも大きい、上記[1]~[9]のいずれかに記載の熱転写シート。
[11]上記[1]~[10]のいずれかに記載の熱転写シート及び被転写体を準備する工程と、被転写体上に、熱転写シートが備える転写層を熱転写する工程とを含む、印画物の製造方法。
[12]被転写体と、被転写体上に設けられた転写層と、を備える印画物であって、転写層は、被転写体に直接接する接着層を備え、接着層は、アリル樹脂と変性オレフィン重合体とを含有する、印画物。
厚さ4.5μmのポリエチレンテレフタレート(PET)フィルムの一方の面に、下記組成の剥離層用塗工液を塗布、乾燥し、厚さ0.5μmの剥離層を形成した。剥離層上に、下記組成の色材層用塗工液を塗布、乾燥し、厚さ0.8μmの色材層を形成した。色材層上に、下記組成の接着層用塗工液を塗布、乾燥し、厚さ0.25μmの接着層を形成した。PETフィルムの他方の面に、下記組成の背面層用塗工液を塗布、乾燥し、厚さ0.3μmの背面層を形成した。このようにして、熱転写シートを得た。
・カルナバワックス 10部
(トラソルO-102、中京油脂(株))
・スチレンブタジエンゴム 1部
(LX430、日本ゼオン(株))
・水 10部
・イソプロピルアルコール(IPA) 30部
・アリル樹脂K 100部
(ダイソーダップ(登録商標)K、Mw25,000、軟化温度83℃、ヨウ素価55g/100g、(株)大阪ソーダ)
・カーボンブラック 60部
・メチルエチルケトン(MEK) 300部
・酸変性塩素化ポリプロピレン 30部
(スーパークロン(登録商標)3221S、日本製紙(株))
・アリル樹脂K 70部
・MEK 200部
・トルエン 800部
・アクリル変性シリコーン樹脂 10部
(ポリアロイNSA-X55、ナトコ(株))
・MEK 20部
接着層及び色材層における樹脂材料の種類及び配合量を表1~表3に示すように変更したこと以外は実施例1と同様にして、熱転写シートを作製した。
・アリル樹脂A:ダイソーダップ(登録商標)A、Mw55,000、軟化温度93℃、ヨウ素価55g/100g、(株)大阪ソーダ
・スチレンアクリル樹脂:FSR-044、藤倉化成(株)
・スチレンアクリル樹脂:トーヨー MS(登録商標)-200、
MFR1.8g/10分、東洋スチレン(株)
・アクリル樹脂:ダイヤナール(登録商標)BR-87、
Mw25,000、Tg105℃、三菱ケミカル(株)
・非晶性ポリエステル:バイロン(登録商標)GK250、
Mn10,000、Tg60℃、東洋紡(株)
・非晶性ポリエステル:エリーテル(登録商標)UE3380、
Mn8,000、Tg60℃、ユニチカ(株)
・エチレン-酢酸ビニル共重合樹脂:
エバフレックス(登録商標)EV250、
MFR15g/10分、酢酸ビニル含量28質量%、
三井・ダウ ポリケミカル(株)
・塩化ビニル-酢酸ビニル共重合樹脂:
SOLBIN(登録商標)CL、
Mn25,000、酢酸ビニル含量14質量%、
Tg70℃、日信化学工業(株)
実施例及び比較例で得られた熱転写シート、並びにプリンター(Videojet社製、DataFlex6330)を使用し、熱転写シートが備える転写層を転写することにより、被転写体であるポリエチレンテレフタレート(PET)-直鎖状低密度ポリエチレン(LLDPE)積層フィルムのPET面又は二軸延伸ポリプロピレン(OPP)-無延伸ポリプロピレン(CPP)積層フィルムのOPP面上にladderバーコード画像を形成した。転写条件は、印字濃度80%、印字速度250mm/sec、圧力3.0kgf/cm2とした。形成された画像についてバーコードチェッカー(Honeywell社製、Quick Check 850)による判定を行い、下記評価基準に基づき評価した。
A:印字物のバーコードチェッカーによる判定結果がA判定であった。
B:印字物のバーコードチェッカーによる判定結果がB又はC判定であった。
C:印字物のバーコードチェッカーによる判定結果がD判定であった。
D:印字物のバーコードチェッカーによる判定不能であった。
実施例及び比較例で得られた熱転写シート、並びにプリンター(Videojet社製、DataFlex6330)を使用し、熱転写シートが備える転写層を転写することにより、被転写体であるPET-LLDPE積層フィルムのPET面又はOPP-CPP積層フィルムのOPP面上にpicketバーコード画像を形成した。転写条件は、印字濃度100%、印字速度200mm/sec、圧力3.0kgf/cm2とした。
上記のようにして形成した画像表面を、22.5℃、相対湿度40%の環境下において、爪により20往復擦過した。擦過した後の画像について上記バーコードチェッカーによる判定を行い、下記評価基準に基づき評価した。
A:擦過後のバーコードチェッカーによる判定結果がA判定であった。
B:擦過後のバーコードチェッカーによる判定結果がB又はC判定であった。
D:擦過後のバーコードチェッカーによる判定結果がD判定以下であった。
上記のようにして形成した画像表面を、22.5℃、相対湿度40%の環境下において、学振型摩擦堅牢試験器(テスター産業(株)製、AB-301)を使用し、イソプロパノールを0.5cc染み込ませた綿布により、荷重200gで50往復擦過した。擦過した後の画像について上記バーコードチェッカーによる判定を行い、下記評価基準に基づき評価した。
A:擦過後のバーコードチェッカーによる判定結果がA判定であった。
B:擦過後のバーコードチェッカーによる判定結果がB又はC判定であった。
D:擦過後のバーコードチェッカーによる判定結果がD判定以下であった。
実施例及び比較例で得られた熱転写シート、並びにプリンター(Videojet社製、DataFlex6330)を使用し、熱転写シートが備える転写層を転写することにより、被転写体であるPET-LLDPE積層フィルムのPET面又はOPP-CPP積層フィルムのOPP面上に細かい文字画像を形成した。転写条件は、印字濃度100%、印字速度400mm/sec、圧力3.0kgf/cm2とした。上記のようにして形成した画像表面を、22.5℃、相対湿度40%の環境下において、綿布により3往復擦過した。擦過した後の画像を目視により観察し、下記評価基準に基づき評価した。
A+:擦過後の綿布に汚れはなかった。
A:擦過後の綿布に目視により確認しにくい汚れがあった。
B:擦過後の綿布に少々汚れがあった。
C:擦過後の綿布に色が際立ったより濃い汚れがあった。
D:擦過後の綿布は汚れていて、画像自体もかすれている場合があった。
実施例及び比較例で得られた熱転写シートを枚葉の状態で2枚重ね合わせ、積層方向に2kgf/cm2の荷重を加え、得られた積層物を50℃85%RHの条件で24時間保存した。保存後の積層物について、以下の評価基準により熱転写シートの耐ブロッキング性を評価した。荷重放置の条件は、取り扱われる通常の保存条件よりも厳しい保存条件であり、強制的な促進条件である。
A:ブロッキングは観察されなかった。
B:僅かにブロッキングが観察されたが、実使用上は問題ない。
C:ブロッキングが多少又は大きく観察された。
10:基材
20:転写層
22:接着層
24:色材層
26:剥離層
30:背面層
Claims (12)
- 基材と、前記基材上に設けられた転写層と、を備える熱転写シートであって、
前記転写層が、接着層を備え、
前記接着層が、前記熱転写シートにおける一方側の表層を構成し、
前記接着層が、アリル樹脂と変性オレフィン重合体とを含有する、
熱転写シート。 - 前記アリル樹脂が、ジアリルフタレート樹脂である、請求項1に記載の熱転写シート。
- 前記接着層が、エチレン-酢酸ビニル共重合樹脂及びスチレン-(メタ)アクリル共重合樹脂から選択される少なくとも1種をさらに含有する、請求項1又は2に記載の熱転写シート。
- 前記転写層が、色材層をさらに備え、
前記色材層が、色材と樹脂材料とを含有する、
請求項1~3のいずれか一項に記載の熱転写シート。 - 前記樹脂材料が、アリル樹脂である、請求項4に記載の熱転写シート。
- 前記色材層が、前記樹脂材料として、(メタ)アクリル樹脂と塩化ビニル-酢酸ビニル共重合樹脂とを含有する、請求項4に記載の熱転写シート。
- 前記色材層が、前記樹脂材料として、アリル樹脂と塩化ビニル-酢酸ビニル共重合樹脂とを含有する、請求項4に記載の熱転写シート。
- 前記転写層が、剥離層をさらに備え、
前記剥離層が、前記転写層における基材側の表層を構成する、
請求項1~7のいずれか一項に記載の熱転写シート。 - 前記接着層における前記アリル樹脂の含有割合が10質量%以上95質量%以下であり、前記変性オレフィン重合体の含有割合が5質量%以上90質量%以下である、請求項1~8のいずれか一項に記載の熱転写シート。
- 前記接着層における前記アリル樹脂の含有割合が、前記変性オレフィン重合体の含有割合よりも大きい、請求項1~9のいずれか一項に記載の熱転写シート。
- 請求項1~10のいずれか一項に記載の熱転写シート及び被転写体を準備する工程と、
前記被転写体上に、前記熱転写シートが備える前記転写層を熱転写する工程と
を含む、印画物の製造方法。 - 被転写体と、前記被転写体上に設けられた転写層と、を備える印画物であって、
前記転写層は、前記被転写体に直接接する接着層を備え、
前記接着層は、アリル樹脂と変性オレフィン重合体とを含有する、
印画物。
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JP2022568483A JP7223358B1 (ja) | 2021-07-20 | 2022-07-20 | 熱転写シート、印画物の製造方法及び印画物 |
CN202280048108.0A CN117615914A (zh) | 2021-07-20 | 2022-07-20 | 热转印片、印相物的制造方法和印相物 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10217625A (ja) * | 1997-02-07 | 1998-08-18 | Fujicopian Co Ltd | 感熱転写記録媒体 |
JP2017052278A (ja) | 2015-09-11 | 2017-03-16 | 大日本印刷株式会社 | 転写シート |
JP2018196940A (ja) * | 2017-05-23 | 2018-12-13 | 大日本印刷株式会社 | 保護層転写シート及び保護層転写シートと被転写体とのセット |
JP2020138527A (ja) * | 2019-03-01 | 2020-09-03 | 大日本印刷株式会社 | 熱転写シート、加飾シートの製造方法、加飾シート、加飾品の製造方法、及び加飾品 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10217625A (ja) * | 1997-02-07 | 1998-08-18 | Fujicopian Co Ltd | 感熱転写記録媒体 |
JP2017052278A (ja) | 2015-09-11 | 2017-03-16 | 大日本印刷株式会社 | 転写シート |
JP2018196940A (ja) * | 2017-05-23 | 2018-12-13 | 大日本印刷株式会社 | 保護層転写シート及び保護層転写シートと被転写体とのセット |
JP2020138527A (ja) * | 2019-03-01 | 2020-09-03 | 大日本印刷株式会社 | 熱転写シート、加飾シートの製造方法、加飾シート、加飾品の製造方法、及び加飾品 |
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