WO2021066016A1 - 熱転写シートと中間転写媒体との組合せ、印画物の製造方法、及び印画物 - Google Patents
熱転写シートと中間転写媒体との組合せ、印画物の製造方法、及び印画物 Download PDFInfo
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- WO2021066016A1 WO2021066016A1 PCT/JP2020/037158 JP2020037158W WO2021066016A1 WO 2021066016 A1 WO2021066016 A1 WO 2021066016A1 JP 2020037158 W JP2020037158 W JP 2020037158W WO 2021066016 A1 WO2021066016 A1 WO 2021066016A1
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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
-
- 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
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/382—Contact thermal transfer or sublimation processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
- B41M5/38214—Structural details, e.g. multilayer systems
-
- 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
- B41M5/38257—Contact thermal transfer or sublimation processes characterised by the use of an intermediate receptor
-
- 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
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
- B44C1/1725—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive using an intermediate support
-
- 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
- B41M2205/10—Post-imaging transfer of imaged layer; transfer of the whole imaged layer
Definitions
- the present disclosure relates to a combination of a thermal transfer sheet and an intermediate transfer medium, a method for producing a printed matter, and a printed matter.
- the colored layer is transferred onto the transferred body by superimposing the heat transfer sheet provided with the Fused Deposition Modeling colored layer and the transferred body, and then heating the heat transfer sheet by the thermal head provided in the thermal transfer printer.
- a Fused Deposition Modeling method is known in which an image is formed and a printed matter is produced.
- the sublimation dye in the colored layer is covered by superimposing the heat transfer sheet having the colored layer containing the sublimation dye and the transferred body, and then heating the heat transfer sheet with the thermal head provided in the heat transfer printer.
- a sublimation-type thermal transfer method is known in which a print is produced by transferring onto a transfer body to form an image.
- Image formation by the sublimation type thermal transfer method may be difficult depending on the surface shape of the transferred object.
- a printed matter is produced using an intermediate transfer medium provided with a transfer layer.
- the thermal transfer sheet is heated to transfer the sublimation dye in the colored layer to the receiving layer constituting the transfer layer included in the intermediate transfer medium to form an image, and then the intermediate transfer medium is heated to cover the transfer layer.
- a printed matter is produced by transferring onto a transfer body.
- photographic papers have been required to have various designs depending on their uses.
- a photographic paper having a partially formed convex portion a photographic paper having a partially high glossiness, and the like, which have a partially different three-dimensional effect and texture, can be mentioned.
- One problem to be solved in the present disclosure is to provide a combination of a thermal transfer sheet and an intermediate transfer medium capable of producing a printed matter having a partially different three-dimensional effect and texture.
- the present disclosers have unstable transfer of the transfer layer in the vicinity of the peel-off region to the transfer target, resulting in poor transfer. Was found to occur.
- One problem to be solved in the present disclosure is the above-mentioned method for producing a printed matter, which comprises a step of removing (peeling off) a part of a transfer layer from the intermediate transfer medium using a combination of a thermal transfer sheet and an intermediate transfer medium.
- the purpose is to provide a method capable of suppressing transcription defects.
- One problem to be solved in the present disclosure is to provide a printed matter produced by using the above combination of a thermal transfer sheet and an intermediate transfer medium.
- the combination of the present disclosure includes a thermal transfer sheet and an intermediate transfer medium.
- the thermal transfer sheet includes a first base material and a coloring layer, a peel-off layer, and a heat seal layer provided on the first base material.
- the intermediate transfer medium includes a second base material and a transfer layer.
- the peel-off layer is a layer for removing a part of the transfer layer in the intermediate transfer medium.
- the absolute value of the 45 degree mirror gloss difference between the heat seal layer and the transfer layer is 20% or more.
- the absolute value of the difference between ⁇ L * HS and ⁇ L * T is 5 or more and 30 or less.
- ⁇ L * HS is the absolute value of the difference between the L * values at the light receiving angles of 110 degrees and 15 degrees with respect to the specular reflection angle of the incident angle of the light when the light is incident on the heat seal layer at an incident angle of 45 degrees.
- ⁇ L * T is the absolute value of the difference between the L * values at the light receiving angles of 110 degrees and 15 degrees with respect to the specular reflection angle of the incident angle of the light when the light is incident on the transfer layer at an incident angle of 45 degrees.
- the absolute value of the difference between RHS and RT is 20% or more and 50% or less.
- RHS is the average specular reflectance when light is incident on the heat seal layer under the conditions of an incident angle of 5 degrees and a measurement wavelength range of 400 nm or more and 700 nm or less.
- RT is the average specular reflectance when light is incident on the transfer layer under the above conditions.
- the absolute value of the difference between the surface roughness of the heat seal layer (Ra HS ) and the surface roughness of the transfer layer (Ra T ) is 0.5 ⁇ m or more and 3.0 ⁇ m or less.
- the method for manufacturing the photographic paper of the present disclosure is as follows. A combination of a first base material, a thermal transfer sheet provided on the first base material and having a coloring layer, a peel-off layer and a heat seal layer, and an intermediate transfer medium having a second base material and a transfer layer. The process of preparation and The process of forming an image on the transfer layer provided in the intermediate transfer medium, A step of heat-pressing a part of the transfer layer included in the intermediate transfer medium and at least a part of the peel-off layer provided in the thermal transfer sheet, and then peeling off the transfer layer of the heat-bonded portion from the intermediate transfer medium.
- the step of transferring the seal layer onto the transfer target is included.
- the photographic paper of this disclosure is A combination of a first base material, a thermal transfer sheet provided on the first base material and having a coloring layer, a peel-off layer and a heat seal layer, and an intermediate transfer medium having a second base material and a transfer layer.
- the peel-off layer is a layer for removing a part of the transfer layer in the intermediate transfer medium.
- thermo transfer sheet and an intermediate transfer medium, which can produce a printed matter having a partially different three-dimensional effect and texture.
- a method for producing a printed matter which includes a step of removing (peeling off) a part of a transfer layer from the intermediate transfer medium using a combination of a thermal transfer sheet and an intermediate transfer medium, the above transfer defects can be suppressed. Can be provided.
- FIG. 1 is a schematic cross-sectional view showing an embodiment of a combination of the thermal transfer sheet and the intermediate transfer medium of the present disclosure.
- FIG. 2 is a schematic view for explaining a method for manufacturing a printed matter of the present disclosure.
- FIG. 3 is a schematic cross-sectional view of the printed matter of the present disclosure.
- FIG. 4 is a schematic view showing the relationship between the incident angle, the specular reflection angle, and the light receiving angle.
- thermo transfer sheet and intermediate transfer medium The combination of the present disclosure includes a thermal transfer sheet 10 and an intermediate transfer medium 20.
- the thermal transfer sheet 10 includes a first base material 11, a colored layer 12, a peel-off layer 13, and a heat provided on the first base material 11 in a surface-sequential manner.
- a seal layer 14 is provided.
- the intermediate transfer medium 20 includes a second base material 21 and a transfer layer 22.
- the peel-off layer is a layer for removing a part of the transfer layer in the intermediate transfer medium.
- the thermal transfer sheet is not limited to the embodiment shown in FIG. 1 (a), and the colored layer 12, the peel-off layer 13, and the heat seal layer 14 are provided on different first substrates, that is, a plurality of thermal transfer sheets. It may be (not shown).
- the thermal transfer sheet is a plurality of sheets including a plurality of first base materials, a coloring layer, a peel-off layer, and a heat seal layer.
- a coloring layer, a peel-off layer, and a heat seal layer are provided on different first base materials, respectively.
- the thermal transfer sheet 10 includes a back surface layer 15 on a surface opposite to the surface of the first base material 11 provided with the colored layer 12 and the like.
- the thermal transfer sheet 10 includes a primer layer between the first base material 11 and the colored layer 12 and between the first base material 11 and the peel-off layer 13 (not shown). In one embodiment, the thermal transfer sheet 10 includes a release layer between the first substrate 11 and the heat seal layer 14 (not shown).
- the transfer layer 22 included in the intermediate layer medium 20 includes a peeling layer 23 and a receiving layer 24, as shown in FIG. 1 (b). In one embodiment, the transfer layer 22 included in the intermediate transfer medium 20 includes a protective layer 25 between the release layer 23 and the receiving layer 24, as shown in FIG. 1 (b).
- a heat-sealing layer included in the thermal transfer sheet (hereinafter, sometimes simply referred to as “heat-sealing layer”) and a transfer layer included in the intermediate transfer medium (hereinafter, simply referred to as “transfer layer” in some cases).
- the absolute value of the 45-degree mirror glossiness difference from the above is 20% or more.
- the absolute value of the 45-degree mirror glossiness difference between the heat-seal layer and the transfer layer is 25% or more.
- the upper limit of the absolute value of the 45-degree mirror gloss difference is, for example, 90%.
- the 45 degree mirror glossiness of the heat seal layer is 60% or more and 95% or less, preferably 70% or more and 90% or less. In one embodiment, the 45 degree mirror gloss of the transfer layer is 5% or more and 75% or less, preferably 10% or more and 70% or less.
- the 45-degree mirror glossiness of the heat-seal layer and the transfer layer can be adjusted by adding particles, which will be described later, to the layers constituting the heat-seal layer or the transfer layer.
- the 45-degree mirror glossiness of the heat-sealing layer and the transfer layer is determined in accordance with the method described in [Manufacturing of printed matter] in the Example column, and the heat-sealing layer of the heat transfer sheet and the transfer layer of the intermediate transfer medium. Is transferred onto the same transfer target, and then measured using a gloss meter (VG 7000 manufactured by Nippon Denshoku Kogyo Co., Ltd.) in accordance with the 45-degree mirror gloss measurement method described in JIS Z8741. ..
- the release layer is located on the outermost surface of the printed matter. It is preferable that the release layer contains particles because the convex portion of the printed matter can have a good matte feeling.
- the absolute value of the difference between ⁇ L * HS and ⁇ L * T in the above combination is 5 or more and 30 or less, preferably 8 or more and 25 or less, and more preferably 10 or more and 20 or less.
- ⁇ L * HS is the absolute value of the difference between the L * values at the light receiving angles of 110 degrees and 15 degrees with respect to the specular reflection angle of the incident angle of the light when the light is incident on the heat seal layer at an incident angle of 45 degrees.
- ⁇ L * T is the absolute value of the difference between the L * values at the light receiving angles of 110 degrees and 15 degrees with respect to the specular reflection angle of the incident angle of the light when the light is incident on the transfer layer at an incident angle of 45 degrees.
- FIG. 4 is a schematic view showing the relationship between the incident angle, the specular reflection angle, and the light receiving angle.
- the incident angle is the angle with respect to the normal of the surface to be measured.
- Specular reflection means reflection in which the incident angle of light and the reflection angle are equal to each other.
- L * value means the L * value in the L * a * b * color space by the International Commission on Illumination (CIE), a lightness index.
- CIE International Commission on Illumination
- ⁇ L * T is larger than ⁇ L * HS.
- ⁇ L * HS is 10 or more and 60 or less, preferably 20 or more and 50 or less.
- ⁇ L * T is 10 or more and 60 or less, preferably 20 or more and 50 or less. From the scope of these [Delta] L * HS and [Delta] L * T, the absolute value of the difference between [Delta] L * HS and [Delta] L * T is to be within the above range, [Delta] L * HS and [Delta] L * T is set.
- the L * values of the heat seal layer and the transfer layer are the same for the heat seal layer of the thermal transfer sheet and the transfer layer of the intermediate transfer medium in accordance with the method described in [Manufacturing of Printed Paper] in the Example column. After being transferred onto the transferred body, light is incident on the surface of the transferred heat seal layer and the surface of the transferred transfer layer at an incident angle of 45 degrees for measurement.
- Each ⁇ L * can be adjusted, for example, by the content of the pearl pigment in the heat seal layer and the transfer layer.
- the content of the pearl pigment in the heat seal layer and the transfer layer is preferable that at least one layer selected from the heat seal layer and the transfer layer contains a pearl pigment.
- the absolute value of the difference between the content of the pearl pigment in the heat seal layer and the content of the pearl pigment in the transfer layer is 10% by mass or more.
- the upper limit of the absolute value of the difference is, for example, 50% by mass.
- the release layer is located on the outermost surface of the printed matter. It is preferable that the release layer contains a pearl pigment because the convex portion of the printed matter can have a good pearly feeling.
- the above-mentioned "content of the pearl pigment in the heat-sealing layer” means the content of the pearl pigment in the layer containing the pearl pigment included in the heat-sealing layer. It means quantity (% by mass).
- the above-mentioned “content of the pearl pigment in the transfer layer” refers to the pearl in the layer containing the pearl pigment (for example, the release layer) provided in the transfer layer. It means the content (% by mass) of the pigment.
- the color and particle size of the pearl pigment may be the same or different.
- the absolute value of the difference between RHS and RT in the above combination is 20% or more and 50% or less, preferably 25% or more and 45% or less, and more preferably 25% or more and 40% or less.
- RHS is the average specular reflectance when light is incident on the heat seal layer under the conditions of an incident angle of 5 degrees and a measurement wavelength range of 400 nm or more and 700 nm or less.
- RT is the average specular reflectance when light is incident on the transfer layer under the above conditions.
- Specular reflectance refers to the incident light and reflection when light is incident on the surface to be measured from a light source and reflected, and the light is received by a light receiving probe at the same reflection angle (specular reflection angle) as the incident angle.
- the ratio of light energy refers to the incident light and reflection when light is incident on the surface to be measured from a light source and reflected, and the light is received by a light receiving probe at the same reflection angle (specular reflection angle) as the incident angle. The ratio of light energy.
- RHS is larger than RT.
- the RHS is 5% or more and 80% or less, preferably 10% or more and 70% or less.
- the RT is 5% or more and 80% or less, preferably 10% or more and 70% or less. From the scope of these R HS and R T, the absolute value of the difference between R HS and R T is to be within the above range, R HS and R T are set.
- the average specular reflectance of the heat-sealing layer and the transfer layer is the same as that of the heat-sealing layer of the thermal transfer sheet and the transfer layer of the intermediate transfer medium in accordance with the method described in [Manufacturing of Printed Paper] in the Example column. After transferring onto the same transfer material, light is incident on the surface of the transferred heat seal layer and the surface of the transferred transfer layer at an incident angle of 5 degrees for measurement.
- Each average specular reflectance can be adjusted by, for example, the content of the metal pigment in the heat seal layer and the transfer layer.
- the content of the metal pigment in the heat seal layer and the transfer layer For example, it is preferable that at least one layer selected from the heat seal layer and the transfer layer contains a metal pigment.
- the absolute value of the difference between the content of the metal pigment in the heat seal layer and the content of the metal pigment in the transfer layer is 10% by mass or more.
- the upper limit of the absolute value of the difference is, for example, 60% by mass.
- the above-mentioned "content of the metal pigment in the heat-sealing layer” means the content of the metal pigment in the layer containing the metal pigment included in the heat-sealing layer. It means quantity (% by mass).
- the above-mentioned “content of the metal pigment in the transfer layer” means the content (mass) of the metal pigment in the layer containing the metal pigment included in the transfer layer. %) Means.
- the color and particle size of the metal pigment may be the same or different.
- the absolute value of the difference between the surface roughness of the heat seal layer (Ra HS ) and the surface roughness of the transfer layer (Ra T ) in the above combination is 0.5 ⁇ m or more and 3.0 ⁇ m or less. , 0.8 ⁇ m or more and 2.5 ⁇ m or less is preferable, and 1.0 ⁇ m or more and 2.0 ⁇ m or less is more preferable.
- Ra is an arithmetic mean roughness, which is a value measured in accordance with JIS B 0601.
- Ra T is larger than Ra HS.
- Ra HS is 0.5 ⁇ m or more and 10 ⁇ m or less, preferably 1 ⁇ m or more and 5 ⁇ m or less.
- Ra T is 0.5 ⁇ m or more and 10 ⁇ m or less, preferably 1 ⁇ m or more and 5 ⁇ m or less. From the scope of these Ra HS and Ra T, the absolute value of the difference between Ra HS and Ra T is to be within the above range, Ra HS and Ra T is set.
- the surface roughness Ra of the heat-sealing layer and the transfer layer is the heat-sealing layer of the heat transfer sheet and the transfer layer of the intermediate transfer medium in accordance with the method described in [Manufacturing of printed matter] in the Example column. After transferring onto the same transfer material, the transferred heat seal layer surface and the transferred transfer layer surface are measured.
- Each surface roughness Ra can be adjusted by, for example, the content of foamed particles in the heat seal layer and the transfer layer.
- the content of foamed particles in the heat seal layer and the transfer layer For example, it is preferable that at least one layer selected from the heat seal layer and the transfer layer contains foamed particles.
- the absolute value of the difference between the content of the foamed particles in the heat seal layer and the content of the foamed particles in the transfer layer is 10% by mass or more.
- the upper limit of the absolute value of the difference is, for example, 50% by mass.
- the release layer is located on the outermost surface of the printed matter. It is preferable that the release layer contains foamed particles because the convex portion of the printed matter can have a good texture.
- the above-mentioned "content of foamed particles in the heat-sealed layer” means the content of foamed particles in the layer containing the foamed particles included in the heat-sealed layer. It means quantity (mass%).
- the above-mentioned "content of foamed particles in the transfer layer” means foaming in the layer containing the foamed particles (for example, a release layer) provided in the transfer layer. It means the content (mass%) of particles.
- the expansion coefficient and particle size of the foamed particles may be the same or different.
- the heat seal layer included in the thermal transfer sheet contains a material selected from particles, pearl pigments, metal pigments and foamed particles, and at least one layer included in the transfer layer of the intermediate transfer medium is the selected material. It may contain a material other than the above.
- the heat seal layer may include a layer containing a pearl pigment, and the release layer constituting the transfer layer may contain a metal pigment.
- the printed matter produced by using such a combination also has a partially different three-dimensional effect and texture, and has a high degree of design.
- the thermal transfer sheet includes a first base material and a coloring layer, a peel-off layer, and a heat seal layer provided on the first base material.
- the thermal transfer sheet is provided with a back surface layer on a surface opposite to the surface on which the colored layer or the like of the first base material is provided.
- the thermal transfer sheet comprises a primer layer between the first substrate and the colored layer and between the first substrate and the peel-off layer.
- the thermal transfer sheet comprises a release layer between the first substrate and the heat seal layer.
- the first base material has heat resistance that can withstand the heat energy applied during thermal transfer (for example, heat from a thermal head), and has mechanical strength and solvent resistance that can support a colored layer or the like provided on the first base material. As long as it has, it can be used without particular limitation.
- the first base material for example, a film composed of one kind or two or more kinds of resins (hereinafter, also simply referred to as "resin film”) can be used.
- the resin include polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyethylene naphthalate (PEN), 1,4-polycyclohexylene methylene terephthalate, terephthalic acid-cyclohexanedimethanol-ethylene glycol copolymer and the like.
- Polyesters Polyethylenes such as Nylon 6 and Nylon 6,6; Polyethylenes (PE), Polypropylene (PP) and Polymethylpentenes and the like; Polyvinyl chloride, Polyvinyl alcohol (PVA), Polyvinyl acetate, Vinyl chloride-Vinyl acetate Vinyl resins such as copolymers, polyvinyl butyral and polyvinylpyrrolidone (PVP); (meth) acrylic resins such as poly (meth) acrylate and polymethyl (meth) acrylate; imide resins such as polyimide and polyetherimide; cellophane, cellulose acetate , Nitrocellulose, cellulose resins such as cellulose acetate propionate (CAP) and cellulose acetate butyrate (CAB); styrene resins such as polystyrene (PS); polycarbonates; and ionomer resins.
- Polyvinyl chloride Polyvinyl alcohol (PVA), Polyvinyl acetate, Vinyl chloride
- polyesters such as PET and PEN are preferable, and PET is particularly preferable, from the viewpoint of heat resistance and mechanical strength.
- (meth) acrylic means to include both “acrylic” and “methacryl”.
- (Meta) acrylate means to include both “acrate” and “metacrate”.
- the laminated body of the above resin film can be used as the first base material.
- the laminate of the resin film can be produced by using a dry lamination method, a wet lamination method, an extraction method, or the like.
- the resin film may be a stretched film or an unstretched film, but from the viewpoint of strength, the stretched film is stretched in the uniaxial direction or the biaxial direction. Is preferable.
- the thickness of the first base material is preferably 2 ⁇ m or more and 25 ⁇ m or less, and more preferably 3 ⁇ m or more and 10 ⁇ m or less. As a result, the mechanical strength of the first base material and the transfer of thermal energy during thermal transfer can be improved.
- the thermal transfer sheet includes a colored layer on the first substrate. As shown in FIG. 1, a plurality of colored layers may be provided so as to be surface-sequential to each other.
- the colored layer may be a sublimation transfer type colored layer to which the sublimation dye contained in the colored layer is transferred, or may be a melt transfer type colored layer to which the colored layer itself is transferred.
- the thermal transfer sheet may include both a sublimation transfer type coloring layer and a melt transfer type coloring layer.
- the colored layer contains one or more colored materials.
- the coloring material may be a pigment or a dye.
- the dye may be a sublimation dye.
- coloring materials include carbon black, acetylene black, lamp black, black smoke, iron black, aniline black, silica, calcium carbonate, titanium oxide, cadmium red, cadmopone red, chrome red, vermilion, red iron oxide, and azo pigments.
- the colored layer contains one or more resin materials.
- the resin material include polyester, polyamide, polyolefin, vinyl resin, vinyl acetal resin, (meth) acrylic resin, cellulose resin, styrene resin, polycarbonate, butyral resin, phenoxy resin and ionomer resin.
- the colored layer may contain one or more additives.
- the additive material include a filler, a plastic material, an ultraviolet absorber, an inorganic particle, an organic particle, a mold release material and a dispersant material.
- the thickness of the colored layer is preferably 0.1 ⁇ m or more and 3 ⁇ m or less.
- a coating liquid obtained by dispersing or dissolving the above material in water or an appropriate organic solvent is applied onto a first base material or the like by a known means to form a coating film. , It can be formed by drying it.
- Known means include, for example, a roll coating method, a reverse roll coating method, a gravure coating method, a reverse gravure coating method, a bar coating method and a rod coating method.
- the peel-off layer is a layer for partially peeling off the transfer layer included in the intermediate transfer medium.
- the peel-off layer contains one or more resin materials.
- the resin material include polyester, polyamide, polyolefin, vinyl resin, (meth) acrylic resin, imide resin, cellulose resin, styrene resin, polycarbonate and ionomer resin.
- the peel-off layer preferably contains the same type of resin material as the resin material contained in the receiving layer preferably provided in the intermediate transfer medium, and more preferably contains the completely same type of resin material.
- the same type of resin material means that 50% by mass or more of the monomers constituting the resin material match, and "exactly the same type of resin material” constitutes the resin material. It means that 95% by mass or more of the monomers are matched.
- the peel-off layer may contain one or more of the above additives.
- the thickness of the peel-off layer is preferably 0.3 ⁇ m or more and 10 ⁇ m or less, and more preferably 0.5 ⁇ m or more and 5 ⁇ m or less. Thereby, the peel-off property of the thermal transfer sheet can be further improved.
- a coating liquid obtained by dispersing or dissolving the above-mentioned material in water or an appropriate organic solvent is applied onto a first base material or the like by the above-mentioned known means to form a coating film. It can be formed by allowing it to dry and drying it.
- the heat seal layer is a layer that is transferred from the heat transfer sheet onto the intermediate transfer medium.
- the heat seal layer may have a single layer structure or a multi-layer structure.
- each layer constituting the heat seal layer contains one kind or two or more kinds of resin materials.
- the resin material include polyester, polyamide, polyolefin, vinyl resin, (meth) acrylic resin, imide resin, cellulose resin, styrene resin, polycarbonate and ionomer resin.
- the heat seal layer comprises a layer containing one or more particles.
- a matte feeling can be imparted to the heat-sealing layer, and a difference in 45-degree mirror glossiness between the heat-sealing layer and the transfer layer can be provided.
- the heat seal layer may include two or more layers containing particles.
- the particles may be organic particles or inorganic particles, and these may be used in combination.
- the organic particles include, for example, melamine resin, benzoguanamine resin, (meth) acrylic resin, polyamide, fluororesin, phenol resin, styrene resin, polyolefin, silicone resin, and resins such as copolymers of monomers constituting these resins. Examples include particles (resin particles).
- the inorganic particles include clay minerals such as talc and kaolin, carbonates such as calcium carbonate and magnesium carbonate, hydroxides such as aluminum hydroxide and magnesium hydroxide, sulfates such as calcium sulfate, and oxides such as silica. , Graphite, sulphate, and boron nitride.
- the shape of the particles may be any of an indefinite shape, a spherical shape, an elliptical shape, a columnar shape, a prismatic shape, and the like.
- the surface of the particles may be treated with a surface treatment material such as a silane coupling agent.
- the average particle size of the particles is preferably 0.5 ⁇ m or more and 10 ⁇ m or less, and more preferably 1 ⁇ m or more and 5 ⁇ m or less. As a result, a matte feeling can be imparted to the region where the transfer layer is peeled off without reducing the adhesive force between the heat seal layer and the transferred body.
- the average particle size means the volume average particle size and is measured according to JIS Z 8819-2.
- the value obtained by subtracting the refractive index of the resin material contained in the heat-sealing layer from the refractive index of the particles is preferably ⁇ 0.07 or more, more preferably 0.01 or more. As a result, it is possible to produce a printed matter having a partially extremely high matte feeling.
- the upper limit of the value obtained by subtracting the refractive index of the resin material from the refractive index of the particles is, for example, 0.4.
- the refractive index of particles and resin materials is measured by the critical angle method (JIS K 7142) or the V block method (JIS B 7071-2).
- the content of particles in the layer containing particles is preferably 10 parts by mass or more, more preferably 30 parts by mass or more, based on 100 parts by mass of the resin material. As a result, it is possible to produce a printed matter having a partially extremely high matte feeling.
- the particle content is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of particles in each layer of the transfer layer included in the intermediate transfer medium is preferably 10 parts by mass or less with respect to 100 parts by mass of the resin material contained in each layer. It is more preferably 1 part by mass or less, and particularly preferably not containing particles.
- the heat seal layer comprises a layer containing one or more pearl pigments. This makes it possible to provide a difference in ⁇ L * between the heat seal layer and the transfer layer.
- the heat seal layer may include two or more layers containing a pearl pigment.
- Examples of the pearl pigment include a scaly alumina pigment coated with a metal oxide and a mica pigment.
- the metal oxide include oxides such as titanium, iron, zirconium, silicon, aluminum and cerium.
- the content of the pearl pigment in the layer containing the pearl pigment is not particularly limited as long as the difference in the content of the pearl pigment in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but the resin material. With respect to 100 parts by mass, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. As a result, it is possible to produce a printed matter having a partially extremely high pearly feeling.
- the content of the pearl pigment is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the pearl pigment in each layer of the transfer layer included in the intermediate transfer medium is 10 parts by mass or less with respect to 100 parts by mass of the resin material contained in each layer. It is preferably 1 part by mass or less, and it is particularly preferable that the pearl pigment is not contained.
- the heat seal layer includes a layer containing one or more metal pigments. This makes it possible to provide a difference in average specular reflectance between the heat seal layer and the transfer layer.
- the heat seal layer may include two or more layers containing a metal pigment.
- the metal pigment examples include particles such as aluminum, nickel, chromium, brass, tin, brass, bronze, zinc, silver, platinum, gold and their oxides, and metal-deposited glass.
- the content of the metal pigment in the layer containing the metal pigment is not particularly limited as long as the difference in the content of the metal pigment between the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but the resin material. With respect to 100 parts by mass, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. This makes it possible to partially produce a printed matter having an extremely high metallic luster.
- the content of the metal pigment is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the metal pigment in each layer of the transfer layer included in the intermediate transfer medium is 10 parts by mass or less with respect to 100 parts by mass of the resin material contained in each layer. It is preferably 1 part by mass or less, and particularly preferably does not contain a metal pigment.
- the heat seal layer includes a layer containing one or more types of foamed particles. Thereby, the difference in surface roughness between the heat seal layer and the transfer layer can be provided.
- the heat seal layer may include two or more layers containing foamed particles.
- heat-expandable microcapsules containing a volatile substance can be used.
- the material constituting the outer shell of the heat-expandable microcapsules include polyolefins such as polyethylene, (meth) acrylic resins, styrene resins, vinyl resins such as polyvinyl acetate and polyvinyl chloride, polyamides, and polyesters.
- the volatile substance contained in the outer shell include propane, butene, isobutane, isopenten, neopentene, hexane, heptane, methyl chloride and tetramethylsilane.
- the content of the foamed particles in the layer containing the foamed particles is not particularly limited as long as the difference in the content of the foamed particles in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but the resin material. With respect to 100 parts by mass, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. As a result, it is possible to partially produce a photographic paper having an extremely high three-dimensional effect.
- the content of the foamed particles is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the foamed particles in each layer of the transfer layer included in the intermediate transfer medium is 10 parts by mass or less with respect to 100 parts by mass of the resin material contained in each layer. It is preferably 1 part by mass or less, and particularly preferably does not contain foamed particles.
- the heat seal layer may contain one or more of the above additives.
- the thickness of the heat seal layer is preferably 0.3 ⁇ m or more and 20 ⁇ m or less, and more preferably 0.5 ⁇ m or more and 10 ⁇ m or less.
- a coating liquid obtained by dispersing or dissolving the above material in water or an appropriate organic solvent is applied onto a first base material or the like by the above known means to form a coating film. It can be formed by forming it and drying it.
- the heat seal layer may include a layer containing two or more kinds selected from particles, pearl pigments, metal pigments and foamed particles.
- the heat seal layer may include two or more layers containing a material selected from particles, a pearl pigment, a metal pigment, and foamed particles, each containing a different material.
- the heat seal layer may include, for example, one layer containing particles and one layer containing pearl pigment.
- the heat transfer sheet of the present disclosure comprises a primer layer between the first substrate and the colored layer and / or between the first substrate and the peel-off layer. Thereby, the adhesion between these layers can be improved.
- the primer layer contains one or more resin materials.
- the resin material include polyester, vinyl resin, polyurethane, (meth) acrylic resin, polyamide, polyether, styrene resin and cellulose resin.
- the thickness of the primer layer is preferably 0.1 ⁇ m or more and 2.0 ⁇ m or less.
- a coating liquid obtained by dispersing or dissolving the above-mentioned material in water or an appropriate organic solvent is applied onto the first base material by the above-mentioned known means to form a coating film. It can be formed by drying this.
- the heat transfer sheet of the present disclosure includes a release layer between the first substrate and the heat seal layer. Thereby, the transferability of the heat seal layer can be improved.
- the release layer remains on the substrate side during transfer.
- the release layer contains one or more resin materials.
- the resin material include (meth) acrylic resin, polyurethane, acetal resin, polyamide, polyester, melamine resin, polyol resin, cellulose resin and silicone resin.
- the release layer contains one or more release materials.
- the release material include silicone oil, phosphoric acid ester-based plasticizer, fluorine-based compound, wax, metal soap and particles.
- the thickness of the release layer is preferably 0.2 ⁇ m or more and 2.0 ⁇ m or less.
- a coating liquid obtained by dispersing or dissolving the above-mentioned material in water or an appropriate organic solvent is applied onto the first base material by the above-mentioned known means to form a coating film. , It can be formed by drying it.
- the heat transfer sheet of the present disclosure includes a back surface layer on a surface opposite to the surface on which the colored layer or the like of the first base material is provided. This makes it possible to suppress the occurrence of sticking and wrinkles due to heating during thermal transfer.
- the back layer contains one or more resin materials.
- the resin material include vinyl resin, polyester, polyamide, polyolefin, (meth) acrylic resin, polyolefin, polyurethane, cellulose resin and phenol resin.
- the thickness of the back layer is preferably 0.3 ⁇ m or more and 3.0 ⁇ m or less.
- a coating liquid obtained by dispersing or dissolving the above material in water or a suitable organic solvent is applied onto the first base material by the above known means to form a coating film. It can be formed by drying this.
- the intermediate transfer medium includes a second base material and a transfer layer.
- the transfer layer comprises a release layer and a receptive layer.
- the transfer layer comprises a protective layer between the release layer and the receptive layer.
- a material that can be used as the first base material can be appropriately selected and used.
- the release layer is a layer that is transferred from the intermediate transfer medium onto the transfer target, and is a layer that is located on the outermost surface of the printed matter.
- the release layer contains one or more resin materials.
- the resin material include polyester, polyamide, polyolefin, vinyl resin, (meth) acrylic resin, imide resin, cellulose resin, styrene resin, polycarbonate and ionomer resin.
- the release layer contains one or more of the above particles described in the (heat seal layer) column.
- the value obtained by subtracting the refractive index of the resin material contained in the release layer from the refractive index of the particles is preferably ⁇ 0.07 or more, more preferably 0.01 or more. As a result, it is possible to produce a printed matter having a partially extremely high matte feeling.
- the upper limit of the value obtained by subtracting the refractive index of the resin material from the refractive index of the particles is, for example, 0.4.
- the content of particles in the release layer is preferably 10 parts by mass or more, more preferably 30 parts by mass or more, with respect to 100 parts by mass of the resin material. As a result, it is possible to produce a printed matter having a partially extremely high matte feeling.
- the content of the particles is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the particles in the heat seal layer included in the heat transfer sheet is preferably 10 parts by mass or less, more preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. It is preferable that particles are not contained, and it is particularly preferable that the particles are not contained.
- the release layer contains one or more of the above pearl pigments.
- the content of the pearl pigment in the release layer is not particularly limited as long as the difference in the content of the pearl pigment in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. As a result, it is possible to produce a printed matter having a partially extremely high pearly feeling.
- the content of the pearl pigment is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the pearl pigment in the heat seal layer included in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. Is more preferable, and it is particularly preferable that the pearl pigment is not contained.
- the release layer contains one or more of the above metal pigments.
- the content of the metal pigment in the release layer is not particularly limited as long as the difference in the content of the metal pigment in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. This makes it possible to partially produce a printed matter having an extremely high metallic luster.
- the content of the metal pigment is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the metal pigment in the heat seal layer included in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. Is more preferable, and it is particularly preferable that the metal pigment is not contained.
- the release layer contains one or more of the above foamed particles.
- the content of the foamed particles in the release layer is not particularly limited as long as the difference in the content of the foamed particles in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. As a result, it is possible to partially produce a photographic paper having an extremely high three-dimensional effect.
- the content of the foamed particles is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the foamed particles in the heat seal layer included in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. Is more preferable, and it is particularly preferable that foamed particles are not contained.
- the release layer comprises one or more waxes.
- the wax include natural waxes such as beeswax, whale wax, wood wax, rice bran wax, carnauba wax, candelilla wax and montan wax, paraffin wax, microcrystallin wax, oxide wax, ozokelite, selecin, ester wax and polyethylene wax.
- Higher saturated fatty acids such as synthetic wax, margaric acid, lauric acid, myristic acid, palmitic acid, stearic acid, floic acid and behenic acid, higher saturated monovalent alcohols such as stearyl alcohol and behenyl alcohol, and higher esters such as sorbitan fatty acid ester.
- Steeric acid amides and higher fatty acid amides such as oleic acid amides.
- the release layer may contain one or more of the above additives.
- the thickness of the release layer is preferably 0.3 ⁇ m or more and 20 ⁇ m or less, and more preferably 0.5 ⁇ m or more and 10 ⁇ m or less.
- a coating liquid obtained by dispersing or dissolving the above material in water or an appropriate organic solvent is applied onto the second base material by the above known means to form a coating film. It can be formed by drying this.
- the receiving layer comprises one or more resin materials.
- the resin material include vinyl resins such as polyolefin, polyvinyl chloride and vinyl chloride-vinyl acetate copolymer, (meth) acrylic resin, cellulose resin, polyester, polyamide, polycarbonate, styrene resin, epoxy resin, polyurethane and epoxy.
- vinyl resins such as polyolefin, polyvinyl chloride and vinyl chloride-vinyl acetate copolymer
- acrylic resin such as polyolefin, polyvinyl chloride and vinyl chloride-vinyl acetate copolymer
- acrylic resin cellulose resin
- polyester polyamide
- polycarbonate polycarbonate
- styrene resin epoxy resin
- polyurethane polyurethane
- examples include resins and ionomer resins.
- the receiving layer contains one or more mold release materials. Thereby, the releasability from the thermal transfer sheet can be improved.
- release material examples include solid waxes such as polyethylene wax, polyamide wax, and Teflon (registered trademark) powder, fluorine-based or phosphate ester-based surfactants, silicone oil, reactive silicone oil, and curable silicone oil. Examples include various modified silicone oils and silicone resins.
- modified silicone oil is preferable.
- modified silicone oil amino-modified silicone, epoxy-modified silicone, aralkyl-modified silicone, epoxy-aralkyl-modified silicone, alcohol-modified silicone, vinyl-modified silicone and urethane-modified silicone are preferable, and epoxy-modified silicone, aralkyl-modified silicone and epoxy-aralkyl-modified Silicone is particularly preferred.
- the receiving layer contains one or more of the above particles described in the (heat seal layer) column.
- the value obtained by subtracting the refractive index of the resin material contained in the receiving layer from the refractive index of the particles is preferably ⁇ 0.07 or more, more preferably 0.01 or more. As a result, it is possible to produce a printed matter having a partially extremely high matte feeling.
- the upper limit of the value obtained by subtracting the refractive index of the resin material from the refractive index of the particles is, for example, 0.4.
- the content of particles in the receiving layer is preferably 10 parts by mass or more, more preferably 30 parts by mass or more, based on 100 parts by mass of the resin material. As a result, it is possible to produce a printed matter having a partially extremely high matte feeling.
- the content of the particles is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the particles in the heat-sealing layer included in the heat transfer sheet is preferably 10 parts by mass or less, more preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat-sealing layer. It is preferable that particles are not contained, and it is particularly preferable that the particles are not contained.
- the receiving layer contains one or more of the above pearl pigments.
- the content of the pearl pigment in the receiving layer is not particularly limited as long as the difference in the content of the pearl pigment in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. As a result, it is possible to produce a printed matter having a partially extremely high pearly feeling.
- the content of the pearl pigment is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the pearl pigment in the heat seal layer provided in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. Is more preferable, and it is particularly preferable that the pearl pigment is not contained. In one embodiment, the receiving layer contains one or more of the above metal pigments.
- the content of the metal pigment in the receiving layer is not particularly limited as long as the difference in the content of the metal pigment between the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. This makes it possible to partially produce a printed matter having an extremely high metallic luster.
- the content of the metal pigment is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the metal pigment in the heat seal layer included in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. Is more preferable, and it is particularly preferable that the metal pigment is not contained.
- the receiving layer comprises one or more of the foamed particles.
- the content of the foamed particles in the receiving layer is not particularly limited as long as the difference in the content of the foamed particles in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. As a result, it is possible to partially produce a photographic paper having an extremely high three-dimensional effect.
- the content of the foamed particles is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the foamed particles in the heat-sealed layer included in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat-sealed layer. Is more preferable, and it is particularly preferable that foamed particles are not contained.
- the receiving layer may contain one or more of the above additives.
- the thickness of the receiving layer is preferably 0.5 ⁇ m or more and 20 ⁇ m or less, and more preferably 1 ⁇ m or more and 10 ⁇ m or less. Thereby, the density of the image formed on the receiving layer can be improved.
- a coating liquid obtained by dispersing or dissolving the above-mentioned material in water or a suitable organic solvent is applied onto an arbitrary layer on a second substrate or the like by the above-mentioned known means. It can be formed by forming a coating film and drying it.
- the transfer layer included in the intermediate transfer medium includes a protective layer between the release layer and the receiving layer.
- the protective layer contains one or more resin materials.
- the resin material include polyester, (meth) acrylic resin, epoxy resin, styrene resin, acrylic polyol resin, polyurethane, ionizing thermosetting resin and ultraviolet absorbing resin.
- the protective layer comprises one or more isocyanate compounds.
- the isocyanate compound include xylene diisocyanate, toluene diisocyanate, isophorone diisocyanate and hexamethylene diisocyanate.
- the protective layer comprises one or more of the particles described in the (Heat Sealing Layer) column.
- the value obtained by subtracting the refractive index of the resin material contained in the protective layer from the refractive index of the particles is preferably ⁇ 0.07 or more, more preferably 0.01 or more. As a result, it is possible to produce a printed matter having a partially extremely high matte feeling.
- the upper limit of the value obtained by subtracting the refractive index of the resin material from the refractive index of the particles is, for example, 0.4.
- the content of particles in the protective layer is preferably 10 parts by mass or more, more preferably 30 parts by mass or more, based on 100 parts by mass of the resin material. As a result, it is possible to produce a printed matter having a partially extremely high matte feeling.
- the content of the particles is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the particles in the heat seal layer included in the heat transfer sheet is preferably 10 parts by mass or less, more preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. It is preferable that particles are not contained, and it is particularly preferable that the particles are not contained.
- the protective layer contains one or more of the above pearl pigments.
- the content of the pearl pigment in the protective layer is not particularly limited as long as the difference in the content of the pearl pigment in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. As a result, it is possible to produce a printed matter having a partially extremely high pearly feeling.
- the content of the pearl pigment is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the pearl pigment in the heat seal layer provided in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. Is more preferable, and it is particularly preferable that the pearl pigment is not contained.
- the protective layer contains one or more of the above metal pigments.
- the content of the metal pigment in the protective layer is not particularly limited as long as the difference in the content of the metal pigment between the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. This makes it possible to partially produce a printed matter having an extremely high metallic luster.
- the content of the metal pigment is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the metal pigment in the heat seal layer included in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat seal layer. Is more preferable, and it is particularly preferable that the metal pigment is not contained.
- the protective layer comprises one or more of the foamed particles.
- the content of the foamed particles in the protective layer is not particularly limited as long as the difference in the content of the foamed particles in the heat seal layer and the transfer layer can be satisfied as described above in one embodiment, but is not particularly limited, but 100 parts by mass of the resin material. On the other hand, 10 parts by mass or more is preferable, and 30 parts by mass or more is more preferable. As a result, it is possible to partially produce a photographic paper having an extremely high three-dimensional effect.
- the content of the foamed particles is preferably 120 parts by mass or less with respect to 100 parts by mass of the resin material.
- the content of the foamed particles in the heat-sealed layer included in the heat transfer sheet is preferably 10 parts by mass or less, preferably 1 part by mass or less, based on 100 parts by mass of the resin material contained in the heat-sealed layer. Is more preferable, and it is particularly preferable that foamed particles are not contained.
- the protective layer may contain one or more of the above additives.
- the thickness of the protective layer is preferably 0.5 ⁇ m or more and 7 ⁇ m or less, and more preferably 1 ⁇ m or more and 5 ⁇ m or less. Thereby, the durability of the protective layer can be further improved.
- a coating liquid obtained by dispersing or dissolving the above material in water or a suitable organic solvent is applied onto the release layer by the above known means to form a coating film, which is then applied. It can be formed by drying.
- the transfer layer may include a layer containing two or more kinds selected from particles, pearl pigments, metal pigments and foamed particles.
- the transfer layer may include two or more layers containing a material selected from particles, a pearl pigment, a metal pigment, and foamed particles, each containing a different material.
- the release layer may contain particles and the receiving layer may contain pearl pigments.
- the method for producing a printed matter of the present disclosure includes a first base material, a thermal transfer sheet provided on the first base material, which includes a coloring layer, a peel-off layer, and a heat seal layer, and a second base material, and transfer.
- a step of preparing a combination of intermediate transfer media including a layer is included (see FIG. 2A).
- thermal transfer sheet and the intermediate transfer medium are preferably as described above, and thus the description thereof will be omitted here.
- the combination the combination of the present disclosure described above is preferable.
- the method for producing a printed matter of the present disclosure includes a step of forming an image on a transfer layer included in an intermediate transfer medium (see FIG. 2B).
- the above thermal transfer sheet may be used for image formation, or a different thermal transfer sheet may be used.
- a part of the transfer layer included in the intermediate transfer medium and at least a part of the peel-off layer provided in the thermal transfer sheet are heat-pressed, and then the transfer layer of the heat-bonded portion is intermediate. It includes a step of peeling off from the transfer medium (see FIG. 2C).
- the peel-off in this step removes a part of the transfer layer, and is clearly distinguished from the transfer in the transfer step on the transfer target described below.
- the region where the transfer layer is to be peeled off is also referred to as a "removal schedule region".
- An image may not be formed on the transfer layer of the region to be removed, and an image may be formed. That is, an image may not be formed on a part of the transfer layers to be peeled off, and an image may be formed.
- the peel-off of the transfer layer provided in the planned removal region of the intermediate transfer medium is such that the transfer layer provided in the intermediate transfer medium and the peel-off layer provided in the thermal transfer sheet are overlapped in at least a part of the planned removal region. Then, the thermal transfer sheet is heated from the back layer side using a thermal head or the like, and is pressure-bonded to peel off the thermal transfer sheet.
- the heat pressure bonding between the transfer layer and the peel-off layer is performed over the entire area to be removed. As a result, the transfer layer provided in the region to be removed can be peeled off more accurately.
- a region in which the transfer layer of the intermediate transfer medium is not peeled off (hereinafter, also referred to as “non-removal region”) and a region in which the transfer layer of the intermediate transfer medium is peeled off (hereinafter, “removal”).
- the region also referred to as “region”) includes a step of transferring the heat seal layer from the heat transfer sheet (see FIG. 2 (d)). The transfer can be performed by a conventionally known method using a commercially available thermal transfer printer.
- the heat seal layer is transferred onto the transfer layer in which the image is formed at least partially in the non-removal region and on the second base material in the removal region.
- the transferability of the transfer layer in the vicinity of the removal region to the transfer target can be improved. Therefore, transfer defects can be suppressed in a method for producing a printed matter, which includes a step of removing a part of a transfer layer from the intermediate transfer medium by using a combination of a thermal transfer sheet and an intermediate transfer medium.
- the method for producing a printed matter of the present disclosure includes a transfer layer and a transferred heat seal layer in which an image is formed at least in a part in a non-removal region of an intermediate transfer medium, and a transferred heat in a removal region of the intermediate transfer medium.
- the step of transferring the seal layer onto the transfer target is included (see FIG. 2E).
- the transfer can be performed by a conventionally known method using a commercially available thermal transfer printer.
- the transfer material can be appropriately selected and used according to the intended use, and for example, paper base materials such as high-quality paper, art paper, coated paper, resin-coated paper, cast-coated paper, paperboard, synthetic paper and impregnated paper, and the above resins. Film etc. can be used.
- the transfer layer provided in the intermediate transfer medium is selectively peeled off, and the printed matter 30 (see FIG. 3) of the present disclosure includes a region in which the transfer layer is transferred from the intermediate transfer medium and a transfer layer. Has a region that has not been transcribed. The region to which this transfer layer is transferred becomes a convex portion, which can give a three-dimensional effect to the printed matter.
- the present disclosure relates to, for example, the following [1] to [10].
- [1] A combination of a thermal transfer sheet and an intermediate transfer medium.
- the thermal transfer sheet includes a first base material and a coloring layer, a peel-off layer, and a heat seal layer provided on the first base material.
- the intermediate transfer medium comprises a second substrate and a transfer layer.
- the peel-off layer is a layer for removing a part of the transfer layer in the intermediate transfer medium.
- the absolute value of the 45-degree mirror glossiness difference between the heat-seal layer and the transfer layer is 20% or more.
- Combination of thermal transfer sheet and intermediate transfer medium [2] A combination of a thermal transfer sheet and an intermediate transfer medium.
- the thermal transfer sheet includes a first base material and a coloring layer, a peel-off layer, and a heat seal layer provided on the first base material.
- the intermediate transfer medium comprises a second substrate and a transfer layer.
- the peel-off layer is a layer for removing a part of the transfer layer in the intermediate transfer medium.
- the absolute value of the difference between ⁇ L * HS and ⁇ L * T is 5 or more and 30 or less [ ⁇ L * HS is a specular reflection of the incident angle of light when light is incident on the heat seal layer at an incident angle of 45 degrees. It is the absolute value of the difference between the L * values at the light receiving angles of 110 degrees and 15 degrees with respect to the angle.
- ⁇ L * T is the absolute value of the difference between the L * values at the light receiving angles of 110 degrees and 15 degrees with respect to the specular reflection angle of the incident angle of the light when the light is incident on the transfer layer at an incident angle of 45 degrees.
- At least one layer selected from the heat seal layer and the transfer layer contains a pearl pigment, and the absolute value of the difference between the content of the pearl pigment in the heat seal layer and the content of the pearl pigment in the transfer layer. Is 10% by mass or more, the combination of the thermal transfer sheet and the intermediate transfer medium according to the above [2].
- the thermal transfer sheet includes a first base material and a coloring layer, a peel-off layer, and a heat seal layer provided on the first base material.
- the intermediate transfer medium comprises a second substrate and a transfer layer.
- the peel-off layer is a layer for removing a part of the transfer layer in the intermediate transfer medium.
- the absolute value of the difference between RHS and RT is 20% or more and 50% or less [ RHS is when light is incident on the heat seal layer under the conditions of an incident angle of 5 degrees and a measurement wavelength range of 400 nm or more and 700 nm or less. Is the average specular reflectance of RT is the average specular reflectance when light is incident on the transfer layer under the above conditions. ], Combination of thermal transfer sheet and intermediate transfer medium.
- At least one layer selected from the heat seal layer and the transfer layer contains a metal pigment, and the absolute value of the difference between the content of the metal pigment in the heat seal layer and the content of the metal pigment in the transfer layer. Is 10% by mass or more, the combination of the thermal transfer sheet and the intermediate transfer medium according to the above [4].
- a combination of a thermal transfer sheet and an intermediate transfer medium includes a first base material and a coloring layer, a peel-off layer, and a heat seal layer provided on the first base material.
- the intermediate transfer medium comprises a second substrate and a transfer layer.
- the peel-off layer is a layer for removing a part of the transfer layer in the intermediate transfer medium.
- the absolute value of the difference between the surface roughness of the heat seal layer (Ra HS ) and the surface roughness of the transfer layer (Ra T ) is 0.5 ⁇ m or more and 3.0 ⁇ m or less.
- At least one layer selected from the heat-sealing layer and the transfer layer contains foamed particles, and the absolute value of the difference between the content of the foamed particles in the heat-sealed layer and the content of the foamed particles in the transfer layer. Is 10% by mass or more, the combination of the thermal transfer sheet and the intermediate transfer medium according to the above [6].
- a thermal transfer sheet having a first base material and a coloring layer, a peel-off layer, and a heat seal layer provided on the first base material, and an intermediate transfer medium having a second base material and a transfer layer. And the process of preparing the combination of The process of forming an image on the transfer layer provided in the intermediate transfer medium, A step of heat-pressing a part of the transfer layer included in the intermediate transfer medium and at least a part of the peel-off layer provided in the thermal transfer sheet, and then peeling off the transfer layer of the heat-bonded portion from the intermediate transfer medium.
- a method for producing a printed matter which comprises a step of transferring the seal layer onto a transfer target.
- a thermal transfer sheet having a first base material and a coloring layer, a peel-off layer, and a heat seal layer provided on the first base material, and an intermediate transfer medium having a second base material and a transfer layer.
- the peel-off layer is a layer for removing a part of the transfer layer in the intermediate transfer medium.
- the 45-degree mirror glossiness was measured using a glossiness meter (VG 7000, manufactured by Nippon Denshoku Kogyo Co., Ltd.) in accordance with the 45-degree mirror glossiness measuring method described in JIS Z8741.
- the light receiving angle of 110 degrees and the ⁇ L * of 15 degrees are the L * of the light receiving angle of 110 degrees and the light receiving angle of 15 which are measured and calculated by the angle spectrophotometer in accordance with JIS-Z-8781-4 (2013). It means the absolute value of the difference from L * of degree.
- GC-2000 (Nippon Denshoku Kogyo Co., Ltd.) was used as the variable angle colorimeter.
- the incident light is set so that the specular reflection angle L * is 79 or more and 81 or less when the light is incident on the white standard plate at an incident angle of 45 degrees.
- the genuine standard plate attached to the above-mentioned variable angle colorimeter (GC-2000 Nippon Denshoku Kogyo Co., Ltd.) was used.
- the wavelength is a D65 light source (viewing angle 2 °).
- specular reflectance was measured with respect to the heat seal layer and the transfer layer using a spectrophotometer (Solid Spec 3700DUV, Shimadzu Corporation). As for the measurement conditions, the specular reflectance (absolute reflectance) was measured in 1 nm increments in the wavelength range of 400 nm or more and 700 nm or less at an incident angle of 5 degrees, and the average specular reflectance in this wavelength range was calculated.
- the surface roughness Ra is an arithmetic mean roughness, which was measured using a laser microscope with a surface roughness measuring function (manufactured by KEYENCE CORPORATION, trade name: VK-X150) in accordance with JIS B 0601.
- Example 1 [Preparation of thermal transfer sheet]
- a PET film having a thickness of 6 ⁇ m was prepared.
- a primer layer forming coating liquid A having the following composition was applied to one surface of the first base material and dried to form a primer layer A having a thickness of 0.15 ⁇ m.
- the sublimation transfer type colored layer forming coating liquids A, B, and C having the following composition were sequentially applied on the primer layer A and dried, and the sublimation transfer type colored layers A to C having a thickness of 0.7 ⁇ m were obtained. Formed.
- ⁇ Coating liquid A for forming a primer layer 50 parts by mass of alumina sol (manufactured by Nissan Chemical Industries, Ltd., alumina sol 200, solid content 10.5%) -Vinylpyrrolidone-vinyl acetate copolymer 4 parts by mass (manufactured by ISP Japan Co., Ltd., PVP / VA E-335, solid content 50%)
- ⁇ Coating liquid B for forming a colored layer > ⁇ Magenta sublimation dye 6 parts by mass ⁇ Polyvinyl acetal 4 parts by mass (Sekisui Chemical Co., Ltd., Eslek (registered trademark) KS-6) ⁇ MEK 45 parts by mass ⁇ Toluene 45 parts by mass
- a coating liquid D for forming a colored layer having the following composition was applied to one surface of the first base material so as to be surface-sequential with the sublimation transfer type colored layer formed as described above, and dried to obtain a thickness of 0.
- a 7 ⁇ m melt transfer type colored layer D was formed.
- ⁇ Coating liquid D for forming a colored layer > ⁇ 50 parts by mass of carbon black ⁇ 50 parts by mass of vinyl chloride-vinyl acetate copolymer (manufactured by Nisshin Kagaku Kogyo Co., Ltd., Solveine (registered trademark) CNL) ⁇ MEK 200 parts by mass ⁇ Toluene 200 parts by mass
- a primer layer forming coating liquid B having the following composition was applied to one surface of the first base material so as to be surface-sequential with the colored layer formed as described above, dried, and a primer having a thickness of 0.1 ⁇ m was applied. A layer was formed, and then a coating liquid for forming a peel-off layer having the following composition was applied onto the primer layer and dried to form a peel-off layer having a thickness of 0.5 ⁇ m.
- ⁇ Coating liquid B for forming a primer layer > ⁇ 10 parts by mass of polyester (Mor-Ester 49000, manufactured by Morton Chemical Co., Ltd.) ⁇ 45 parts by mass of dimethyl carbonate ⁇ 45 parts by mass of methyl ethyl ketone
- a coating liquid for forming a heat seal layer having the following composition is applied to one surface of the first base material so as to be surface-sequential to the peel-off layer formed as described above, dried, and heat-sealed to a thickness of 1 ⁇ m. A layer was formed.
- a coating liquid for forming a back layer having the following composition was applied to the other surface of the first base material and dried to form a back layer having a thickness of 1 ⁇ m to obtain a thermal transfer sheet.
- ⁇ Coating liquid for forming the back layer > -Polyvinyl butyral 2 parts by mass (Sekisui Chemical Co., Ltd., Eslek (registered trademark) BX-1) -Polyisocyanate 9.2 parts by mass (manufactured by DIC Corporation, Burnock (registered trademark) D750) -Phosphate ester-based surfactant 1.3 parts by mass (manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd., Prysurf (registered trademark) A208N) -Talc 0.3 parts by mass (manufactured by Nippon Talc Industry Co., Ltd., Micro Ace (registered trademark) P-3) ⁇ MEK 43.6 parts by mass ⁇ Toluene 43.6 parts by mass
- PET having a thickness of 12 ⁇ m was prepared.
- a coating liquid for forming a release layer having the following composition was applied to one surface of the second base material and dried to form a release layer having a thickness of 1.6 ⁇ m.
- the refractive indexes of the resin material and the particles constituting the release layer were 1.49 and 1.66, respectively.
- a coating liquid for forming a protective layer having the following composition was applied and dried to form a protective layer having a thickness of 4 ⁇ m.
- ⁇ Coating liquid for forming a protective layer 20 parts by mass of polyester (manufactured by Unitika Ltd., Elitel (registered trademark) UE-9885) ⁇ MEK 40 parts by mass ⁇ Toluene 40 parts by mass
- a coating liquid for forming a receiving layer having the following composition was applied and dried to form a receiving layer having a thickness of 2 ⁇ m to obtain an intermediate transfer medium.
- Thermal head Kyocera Corporation, KEE-57-12GAN2-STA Average resistance of heating element: 3303 ⁇ Main scanning direction Print density: 300 dpi Sub-scanning direction print density: 300 dpi Printing voltage: 18.5V 1 line period: 3 msec. Printing start temperature: 35 ° C Pulse duty ratio: 85%
- the receiving layer of the intermediate transfer medium and the peel-off layer of the thermal transfer sheet are superposed, and the thermal transfer sheet at a position corresponding to the region to be removed 1 cm ⁇ 5 cm from the back layer side is heated by the thermal head, and the pressure is 0.078 MPa. And crimped the receiving layer and the peel-off layer. Then, by peeling off the thermal transfer sheet, the transfer layer composed of the receiving layer, the protective layer and the peeling layer provided in the region to be removed of the intermediate transfer medium was peeled off.
- the heat seal layer was transferred from the thermal transfer sheet to the entire surface of the intermediate transfer medium after peel-off.
- a vinyl chloride card (manufactured by Dai Nippon Printing Co., Ltd.) was prepared as a transfer body, and a heat-sealed layer and a partially peeled-off transfer layer were transferred from an intermediate transfer medium to one surface thereof. I got a print. In the region where the transfer layer of the intermediate transfer medium was not peeled off, the laminate of the transfer layer and the heat seal layer was transferred onto the transfer target. In the region where the transfer layer of the intermediate transfer medium was peeled off, only the heat seal layer was transferred onto the transfer target.
- the printed matter thus obtained has a convex portion in the region where the transfer layer was transferred and a matte image is formed in the region, and has high designability. did it.
- the 45-degree mirror glossiness of the transfer layer and the heat-seal layer in the obtained printed matter was 20.0% and 85.0%, respectively.
- Example 2 A printed matter was produced in the same manner as in Example 1 except that the composition of the coating liquid for forming the release layer was changed as follows. It was confirmed that the printed matter thus obtained has a convex portion in the region where the transfer layer was transferred and a matte image is formed in the region, and has high designability. did it.
- the refractive indexes of the resin material and the particles constituting the release layer were 1.49 and 1.66, respectively.
- the 45-degree mirror glossiness of the transfer layer and the heat-seal layer in the obtained printed matter was 43.1% and 85.0%, respectively.
- Example 3 The printed matter was printed in the same manner as in Example 1 except that the melamine resin particles in the coating liquid for forming the release layer were changed to (meth) acrylic resin particles (Eposter (registered trademark) MA1002 manufactured by Nippon Shokubai Co., Ltd.). Was produced. It was confirmed that the printed matter thus obtained has a convex portion in the region where the transfer layer was transferred and a matte image is formed in the region, and has high designability. did it.
- the refractive indexes of the resin material and the particles constituting the release layer were 1.49 and 1.51, respectively.
- the 45-degree mirror glossiness of the transfer layer and the heat-seal layer in the obtained printed matter was 50.3% and 85.0%, respectively.
- Example 4 A printed matter was produced in the same manner as in Example 1 except that the melamine resin particles in the coating liquid for forming the release layer were changed to silica particles (manufactured by Nippon Shokubai Co., Ltd., Seahoster (registered trademark) KE-P250). did. It was confirmed that the printed matter thus obtained has a convex portion in the region where the transfer layer was transferred and a matte image is formed in the region, and has high designability. did it.
- the refractive indexes of the resin material and the particles constituting the release layer were 1.49 and 1.43, respectively.
- the 45-degree mirror glossiness of the transfer layer and the heat-seal layer in the obtained printed matter was 58.9% and 85.0%, respectively.
- Example 5 A printed matter was produced in the same manner as in Example 1 except that the melamine resin particles in the coating liquid for forming a release layer were changed to a pearl pigment (Iriodin (registered trademark) 111WNT manufactured by Merck Co., Ltd.).
- the ⁇ L * T of the transfer layer was 37
- the ⁇ L * HS of the heat seal layer was 23. It was confirmed that the printed matter thus obtained has a convex portion in the region where the transfer layer was transferred and a pearl-like image is formed in the region, and has high designability. did it.
- Example 6 The melamine resin particles in the coating liquid for forming the release layer are changed to foamed particles (Matsumoto Microspheres (registered trademark) FN-100M, manufactured by Matsumoto Yushi Pharmaceutical Co., Ltd.), and after the transfer layer is transferred, the transferred body is transferred.
- the surface roughness (Ra T ) of the transfer layer was 2.4 ⁇ m
- the surface roughness (Ra HS ) of the heat seal layer was 1.1 ⁇ m. It was confirmed that in the printed matter thus obtained, the region to which the transfer layer was transferred was a convex portion, and an image was formed in the region, and the print had an extremely high three-dimensional effect. ..
- Example 7 Except that the coating liquid for forming the heat seal layer used in the preparation of the thermal transfer sheet was changed to the one having the following composition, and the coating liquid for forming the release layer used in the preparation of the intermediate transfer medium was changed to the one having the following composition. , An imprint was produced in the same manner as in Example 1.
- the average specular reflectance ( RT ) of the transfer layer was 25%
- the average specular reflectance ( RHS ) of the heat-sealed layer was 54%.
- the printed matter thus obtained has a convex portion in the region where the transfer layer was transferred and a metallic image is formed in the region, and has high designability. did it.
- Example 8 A printed matter was produced in the same manner as in Example 1 except that the coating liquid for forming the release layer did not contain the melamine resin particles.
- the region to which the transfer layer was transferred was a convex portion, and an image was formed in the region, but the contrast between the convex portion and the other portion was small. ..
- the 45-degree mirror glossiness of the transfer layer and the heat-seal layer in the obtained printed matter was 80.7% and 85.0%, respectively.
- the ⁇ L * T of the transfer layer was 25, and the ⁇ L * HS of the heat seal layer was 23.
- the surface roughness (Ra T ) of the transfer layer was 1.4 ⁇ m, and the surface roughness (Ra HS ) of the heat seal layer was 1.1 ⁇ m.
- the average specular reflectance ( RT ) of the transfer layer was 25%, and the average specular reflectance ( RHS ) of the heat-sealed layer was 18%.
- Example 9 A printed matter was produced in the same manner as in Example 1 except that the melamine resin particles in the coating liquid for forming the release layer were changed to fluororesin particles (Furuon PFA manufactured by Asahi Glass Co., Ltd.).
- the region to which the transfer layer was transferred was a convex portion, and an image was formed in the region, but the contrast between the convex portion and the other portion was small. ..
- the refractive indexes of the resin material and the particles constituting the release layer were 1.49 and 1.34, respectively.
- the 45-degree mirror glossiness of the transfer layer and the heat-seal layer in the obtained printed matter was 68.2% and 85.0%, respectively.
- the ⁇ L * T of the transfer layer was 24, and the ⁇ L * HS of the heat seal layer was 23.
- the surface roughness (Ra T ) of the transfer layer was 1.3 ⁇ m, and the surface roughness (Ra HS ) of the heat seal layer was 1.1 ⁇ m.
- the average specular reflectance ( RT ) of the transfer layer was 21%, and the average specular reflectance ( RHS ) of the heat-sealed layer was 18%.
- Comparative Example 1 In the production of the printed matter, the printed matter was produced in the same manner as in Example 8 except that the heat seal layer was not transferred from the thermal transfer sheet. However, the transfer of the transfer layer in the vicinity of the peeled-off region to the transfer target became unstable, resulting in transfer failure. On the other hand, in Examples 1 to 9, no transfer failure occurred.
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Abstract
Description
例えば、熱溶融転写型着色層を備える熱転写シートと、被転写体とを重ね合わせ、次いで、熱転写プリンタが備えるサーマルヘッドにより熱転写シートを加熱することで、着色層を被転写体上に転写して画像を形成し、印画物を製造する、熱溶融転写方式が知られている。
第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備える熱転写シート、並びに、第2基材と、転写層とを備える中間転写媒体の組合せを準備する工程と、
中間転写媒体が備える転写層上に、画像を形成する工程と、
中間転写媒体が備える転写層の一部と、熱転写シートが備えるピールオフ層の少なくとも一部とを加熱圧着した後、加熱圧着された部分の転写層を、中間転写媒体からピールオフする工程と、
中間転写媒体の転写層がピールオフされなかった領域、及び中間転写媒体の転写層がピールオフされた領域に、熱転写シートからヒートシール層を転写する工程と、
中間転写媒体の転写層がピールオフされなかった領域における、少なくとも一部に画像が形成された転写層及び転写されたヒートシール層と、中間転写媒体の転写層がピールオフされた領域における転写されたヒートシール層とを、被転写体上に転写する工程と
を含む。
第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備える熱転写シート、並びに、第2基材と、転写層とを備える中間転写媒体の組合せを用いて製造した印画物であって、ピールオフ層が、中間転写媒体における転写層の一部を除去するための層であり、
被転写体と、
被転写体上に設けられたヒートシール層と、
ヒートシール層上の一部に設けられた、画像が形成された転写層と、
を備える。
本開示の組合せは、熱転写シート10と、中間転写媒体20とを備える。
一実施形態において、熱転写シート10は、第1基材11とヒートシール層14との間に、離型層を備える(図示せず)。
一実施形態において、中間転写媒体20が備える転写層22は、図1(b)に示すように、剥離層23と受容層24との間に、保護層25を備える。
一実施形態において、ΔL* HSは、10以上60以下、好ましくは20以上50以下である。一実施形態において、ΔL* Tは、10以上60以下、好ましくは20以上50以下である。これらのΔL* HS及びΔL* Tの範囲から、ΔL* HSとΔL* Tとの差の絶対値が上記範囲内となるように、ΔL* HS及びΔL* Tが設定される。
一実施形態において、RHSは、5%以上80%以下、好ましくは10%以上70%以下である。一実施形態において、RTは、5%以上80%以下、好ましくは10%以上70%以下である。これらのRHS及びRTの範囲から、RHSとRTとの差の絶対値が上記範囲内となるように、RHS及びRTが設定される。
一実施形態において、RaHSは、0.5μm以上10μm以下、好ましくは1μm以上5μm以下である。一実施形態において、RaTは、0.5μm以上10μm以下、好ましくは1μm以上5μm以下である。これらのRaHS及びRaTの範囲から、RaHSとRaTとの差の絶対値が上記範囲内となるように、RaHS及びRaTが設定される。
熱転写シートは、第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備える。一実施形態において、熱転写シートは、第1基材の着色層等が設けられた面とは反対の面に、背面層を備える。一実施形態において、熱転写シートは、第1基材と着色層との間、及び第1基材とピールオフ層との間に、プライマー層を備える。一実施形態において、熱転写シートは、第1基材とヒートシール層との間に、離型層を備える。
第1基材は、熱転写時に加えられる熱エネルギー(例えば、サーマルヘッドによる熱)に耐え得る耐熱性を有し、第1基材上に設けられる着色層等を支持できる機械的強度及び耐溶剤性を有するものであれば、特に制限なく使用できる。
上記樹脂の中でも、耐熱性及び機械的強度という観点から、PET及びPEN等のポリエステルが好ましく、PETが特に好ましい。
本開示において、「(メタ)アクリル」とは「アクリル」と「メタクリル」との両方を包含することを意味する。「(メタ)アクリレート」とは「アクレート」と「メタクレート」との両方を包含することを意味する。
熱転写シートは、第1基材上に、着色層を備える。着色層は、図1に示すように、相互に面順次となるように複数設けられていてもよい。
着色層は、着色層に含まれる昇華性染料が転写される昇華転写型着色層であってもよく、着色層自体が転写される溶融転写型着色層であってもよい。熱転写シートは、昇華転写型着色層及び溶融転写型着色層を共に備えていてもよい。
着色層は、例えば、上記材料を水又は適当な有機溶媒へ分散又は溶解して得られた塗工液を、公知の手段により、第1基材等の上に塗布して塗膜を形成させ、これを乾燥させることにより形成できる。公知の手段としては、例えば、ロールコート法、リバースロールコート法、グラビアコート法、リバースグラビアコート法、バーコート法及びロッドコート法が挙げられる。
ピールオフ層は、中間転写媒体が備える転写層を部分的にピールオフするための層である。
ピールオフ層は、上記添加材を1種又は2種以上含んでいてもよい。
ヒートシール層は、熱転写シートから中間転写媒体上へ転写される層である。ヒートシール層は、単層構造を有してもよく、多層構造を有してもよい。
本開示において、平均粒子径は、体積平均粒子径を意味し、JIS Z 8819-2に準拠して測定する。
ヒートシール層の厚さは、0.3μm以上20μm以下が好ましく、0.5μm以上10μm以下がより好ましい。
一実施形態において、本開示の熱転写シートは、第1基材と着色層との間及び/又は第1基材とピールオフ層との間に、プライマー層を備える。これにより、これら層間の密着性を向上できる。
プライマー層は、例えば、上記材料を水又は適当な有機溶媒へ分散又は溶解して得られた塗工液を、上記公知の手段により、第1基材上に塗布して塗膜を形成させ、これを乾燥させることにより形成できる。
一実施形態において、本開示の熱転写シートは、第1基材とヒートシール層との間に離型層を備える。これにより、ヒートシール層の転写性を向上できる。離型層は、転写時に基材側に留まる。
離型層は、例えば、上記材料を水又は適当な有機溶媒へ分散又は溶解して得られた塗工液を、上記公知の手段により、第1基材上に塗布して塗膜を形成させ、これを乾燥させることにより形成できる。
一実施形態において、本開示の熱転写シートは、第1基材の着色層等が設けられた面とは反対の面に、背面層を備える。これにより、熱転写時の加熱によるスティッキング及びシワの発生を抑制できる。
背面層は、例えば、上記材料を水又は適当な有機溶媒へ分散又は溶解して得られた塗工液を、上記公知の手段により、第1基材上に塗布して塗膜を形成させ、これを乾燥させることにより形成できる。
中間転写媒体は、第2基材と、転写層とを備える。一実施形態において、転写層は、剥離層及び受容層を備える。一実施形態において、転写層は、剥離層と受容層との間に、保護層を備える。
第2基材としては、第1基材に使用できる材料を適宜選択して使用できる。
剥離層は、中間転写媒体から被転写体上へ転写される層であり、印画物の最表面に位置することとなる層である。
一実施形態において、剥離層は、上記パール顔料を1種又は2種以上含む。
一実施形態において、剥離層は、上記金属顔料を1種又は2種以上含む。
剥離層は、上記添加材を1種又は2種以上含むことができる。
剥離層は、例えば、上記材料を水又は適当な有機溶媒へ分散又は溶解して得られた塗工液を、上記公知の手段により、第2基材上に塗布して塗膜を形成させ、これを乾燥させることにより形成できる。
一実施形態において、受容層は、樹脂材料を1種又は2種以上含む。樹脂材料としては、例えば、ポリオレフィン、ポリ塩化ビニル及び塩化ビニル-酢酸ビニル共重合体等のビニル樹脂、(メタ)アクリル樹脂、セルロース樹脂、ポリエステル、ポリアミド、ポリカーボネート、スチレン樹脂、エポキシ樹脂、ポリウレタン、エポキシ樹脂及びアイオノマー樹脂が挙げられる。
一実施形態において、受容層は、上記パール顔料を1種又は2種以上含む。
一実施形態において、受容層は、上記金属顔料を1種又は2種以上含む。
一実施形態において、受容層は、上記発泡粒子を1種又は2種以上含む。
受容層は、上記添加材を1種又は2種以上含むことができる。
一実施形態において、中間転写媒体が備える転写層は、剥離層と受容層との間に、保護層を備える。
一実施形態において、保護層は、(ヒートシール層)欄で説明した上記粒子を1種又は2種以上含む。
一実施形態において、保護層は、上記パール顔料を1種又は2種以上含む。
一実施形態において、保護層は、上記金属顔料を1種又は2種以上含む。
一実施形態において、保護層は、上記発泡粒子を1種又は2種以上含む。
保護層は、上記添加材を1種又は2種以上含むことができる。
以下、本開示の印画物の製造方法に含まれる工程を説明する。
本開示の印画物の製造方法は、第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備える熱転写シート、並びに、第2基材と、転写層とを備える中間転写媒体の組合せを準備する工程を含む(図2(a)参照)。
本開示の印画物の製造方法は、中間転写媒体が備える転写層上に、画像を形成する工程を含む(図2(b)参照)。画像形成には、上記熱転写シートを使用してもよく、異なる熱転写シートを使用してもよい。
本開示の印画物の製造方法は、中間転写媒体が備える転写層の一部と、熱転写シートが備えるピールオフ層の少なくとも一部とを加熱圧着した後、加熱圧着された部分の転写層を、中間転写媒体からピールオフする工程を含む(図2(c)参照)。
本開示の印画物の製造方法は、中間転写媒体の転写層がピールオフされなかった領域(以下「非除去領域」ともいう。)、及び中間転写媒体の転写層がピールオフされた領域(以下「除去領域」ともいう。)に、熱転写シートからヒートシール層を転写する工程(図2(d)参照)を含む。該転写は、市販される熱転写プリンタを用い、従来公知の方法により行うことができる。
本開示の印画物の製造方法は、中間転写媒体の非除去領域における、少なくとも一部に画像が形成された転写層及び転写されたヒートシール層と、中間転写媒体の除去領域における転写されたヒートシール層とを、被転写体上に転写する工程を含む(図2(e)参照)。該転写は、市販される熱転写プリンタを用い、従来公知の方法により行うことができる。
上記したように、中間転写媒体が備える転写層は、選択的にピールオフされており、本開示の印画物30(図3参照)は、中間転写媒体から転写層が転写された領域と、転写層が転写されていない領域とを有する。この転写層が転写された領域は、凸部となり、印画物に立体感を付与できる。
[1]熱転写シートと中間転写媒体との組合せであって、
熱転写シートが、第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備え、
中間転写媒体が、第2基材と、転写層とを備え、
ピールオフ層が、中間転写媒体における転写層の一部を除去するための層であり、
ヒートシール層と、転写層との45度鏡面光沢度差の絶対値が、20%以上である、
熱転写シートと中間転写媒体との組合せ。
[2]熱転写シートと中間転写媒体との組合せであって、
熱転写シートが、第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備え、
中間転写媒体が、第2基材と、転写層とを備え、
ピールオフ層が、中間転写媒体における転写層の一部を除去するための層であり、
ΔL* HSとΔL* Tとの差の絶対値が、5以上30以下である
[ΔL* HSは、ヒートシール層に入射角45度で光を入射したときの、光の入射角の正反射角に対する受光角110度及び15度におけるL*値の差の絶対値であり、
ΔL* Tは、転写層に入射角45度で光を入射したときの、光の入射角の正反射角に対する受光角110度及び15度におけるL*値の差の絶対値である。]、
熱転写シートと中間転写媒体との組合せ。
[3]ヒートシール層及び転写層から選択される少なくとも1つの層が、パール顔料を含有し、ヒートシール層におけるパール顔料の含有量と、転写層におけるパール顔料の含有量との差の絶対値が、10質量%以上である、上記[2]に記載の熱転写シートと中間転写媒体との組合せ。
[4]熱転写シートと中間転写媒体との組合せであって、
熱転写シートが、第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備え、
中間転写媒体が、第2基材と、転写層とを備え、
ピールオフ層が、中間転写媒体における転写層の一部を除去するための層であり、
RHSとRTとの差の絶対値が、20%以上50%以下である
[RHSは、入射角5度、測定波長範囲400nm以上700nm以下の条件でヒートシール層に光を入射したときの平均正反射率であり、
RTは、上記条件で転写層に光を入射したときの平均正反射率である。]、
熱転写シートと中間転写媒体との組合せ。
[5]ヒートシール層及び転写層から選択される少なくとも1つの層が、金属顔料を含有し、ヒートシール層における金属顔料の含有量と、転写層における金属顔料の含有量との差の絶対値が、10質量%以上である、上記[4]に記載の熱転写シートと中間転写媒体との組合せ。
[6]熱転写シートと中間転写媒体との組合せであって、
熱転写シートが、第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備え、
中間転写媒体が、第2基材と、転写層とを備え、
ピールオフ層が、中間転写媒体における転写層の一部を除去するための層であり、
ヒートシール層の表面粗さ(RaHS)と、転写層の表面粗さ(RaT)との差の絶対値が、0.5μm以上3.0μm以下である、
熱転写シートと中間転写媒体との組合せ。
[7]ヒートシール層及び転写層から選択される少なくとも1つの層が、発泡粒子を含有し、ヒートシール層における発泡粒子の含有量と、転写層における発泡粒子の含有量との差の絶対値が、10質量%以上である、上記[6]に記載の熱転写シートと中間転写媒体との組合せ。
[8]第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備える熱転写シート、並びに、第2基材と、転写層とを備える中間転写媒体の組合せを準備する工程と、
中間転写媒体が備える転写層上に、画像を形成する工程と、
中間転写媒体が備える転写層の一部と、熱転写シートが備えるピールオフ層の少なくとも一部とを加熱圧着した後、加熱圧着された部分の転写層を、中間転写媒体からピールオフする工程と、
中間転写媒体の転写層がピールオフされなかった領域、及び中間転写媒体の転写層がピールオフされた領域に、熱転写シートからヒートシール層を転写する工程と、
中間転写媒体の転写層がピールオフされなかった領域における、少なくとも一部に画像が形成された転写層及び転写されたヒートシール層と、中間転写媒体の転写層がピールオフされた領域における転写されたヒートシール層とを、被転写体上に転写する工程と
を含む、印画物の製造方法。
[9]熱転写シートと中間転写媒体との組合せが、上記[1]~[7]のいずれか一項に記載の熱転写シートと中間転写媒体との組合せである、上記[8]に記載の印画物の製造方法。
[10]第1基材と、第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備える熱転写シート、並びに、第2基材と、転写層とを備える中間転写媒体の組合せを用いて製造した印画物であって、ピールオフ層が、中間転写媒体における転写層の一部を除去するための層であり、
被転写体と、
被転写体上に設けられたヒートシール層と、
ヒートシール層上の一部に設けられた、画像が形成された転写層と、
を備える、印画物。
樹脂材料及び粒子の屈折率は、屈折率測定器((株)島津製作所製、KPR-30)により測定した。
45度鏡面光沢度は、JIS Z8741に記載の45度鏡面光沢度測定方法に準拠して、光沢度計(日本電色工業(株)製、VG 7000)を用いて測定した。
受光角110度及び15度のΔL*は、JIS-Z-8781-4(2013)に準拠し、変角測色計にて測定算出される、受光角110度のL*と、受光角15度のL*との差の絶対値を意味する。変角測色計として、GC-2000(日本電色工業(株))を使用した。入射光は、白色標準板に入射角45度で光を入射したときの、正反射角のL*が79以上81以下となるように設定している。白色標準板は、上記変角測色計(GC-2000 日本電色工業(株))に付属の純正標準板を使用した。波長はD65光源(視野角2°)である。
正反射率は、ヒートシール層及び転写層に対し、分光光度計(Solid Spec 3700DUV、(株)島津製作所)を用いて測定した。測定条件は、入射角5度において、波長400nm以上700nm以下の範囲で、1nm刻みで、正反射率(絶対反射率)を測定し、この波長範囲における平均正反射率を算出した。
表面粗さRaとは、算術平均粗さであり、JIS B 0601に準拠して、表面粗さ測定機能付きレーザー顕微鏡((株)キーエンス製、商品名:VK-X150)を用いて測定した。
[熱転写シートの作製]
第1基材として、厚さ6μmのPETフィルムを準備した。第1基材の一方の面に、下記組成のプライマー層形成用塗工液Aを塗布、乾燥し、厚さ0.15μmのプライマー層Aを形成した。次いで、プライマー層A上に下記組成の昇華転写型の着色層形成用塗工液A、B及びCを面順次に塗布、乾燥し、それぞれ厚さ0.7μmの昇華転写型着色層A~Cを形成した。
・アルミナゾル 50質量部
(日産化学工業(株)製、アルミナゾル200、固形分10.5%)
・ビニルピロリドン-酢酸ビニル共重合体 4質量部
(アイエスピー・ジャパン(株)製、PVP/VA E-335、固形分50%)
・イエロー昇華性染料 6質量部
・ポリビニルアセタール 4質量部
(積水化学工業(株)製、エスレック(登録商標)KS-6)
・メチルエチルケトン(MEK) 45質量部
・トルエン 45質量部
・マゼンタ昇華性染料 6質量部
・ポリビニルアセタール 4質量部
(積水化学工業(株)製、エスレック(登録商標)KS-6)
・MEK 45質量部
・トルエン 45質量部
・シアン昇華性染料 6質量部
・ポリビニルアセタール 4質量部
(積水化学工業(株)製、エスレック(登録商標)KS-6)
・MEK 45質量部
・トルエン 45質量部
・カーボンブラック 50質量部
・塩化ビニル-酢酸ビニル共重合体 50質量部
(日信化学工業(株)製、ソルバイン(登録商標)CNL)
・MEK 200質量部
・トルエン 200質量部
・ポリエステル 10質量部
(モートンケミカル社製、Mor-Ester49000)
・ジメチルカーボネート 45質量部
・メチルエチルケトン 45質量部
・塩化ビニル-酢酸ビニル共重合体 5質量部
(日信化学工業(株)製、ソルバイン(登録商標)A)
・MEK 47.5質量部
・トルエン 47.5質量部
・塩化ビニル-酢酸ビニル共重合体 20質量部
(日信化学工業(株)製、ソルバイン(登録商標)CNL)
・MEK 40質量部
・トルエン 40質量部
・ポリビニルブチラール 2質量部
(積水化学工業(株)製、エスレック(登録商標)BX-1)
・ポリイソシアネート 9.2質量部
(DIC(株)製、バーノック(登録商標)D750)
・リン酸エステル系界面活性剤 1.3質量部
(第一工業製薬(株)製、プライサーフ(登録商標)A208N)
・タルク 0.3質量部
(日本タルク工業(株)製、ミクロエース(登録商標)P-3)
・MEK 43.6質量部
・トルエン 43.6質量部
第2基材として、厚さ12μmのPETを準備した。第2基材の一方の面に、下記組成の剥離層形成用塗工液を塗布、乾燥し、厚さ1.6μmの剥離層を形成した。
・(メタ)アクリル樹脂 95質量部
(三菱ケミカル(株)製、ダイヤナール(登録商標)BR-87)
・ポリエステル 5質量部
(東洋紡(株)製、バイロン(登録商標)200)
・メラミン樹脂粒子 50質量部
((株)日本触媒製、エポスター(登録商標)M30)
・MEK 300質量部
・トルエン 300質量部
・ポリエステル 20質量部
(ユニチカ(株)製、エリーテル(登録商標)UE-9885)
・MEK 40質量部
・トルエン 40質量部
・塩化ビニル-酢酸ビニル共重合体 95質量部
(日信化学工業(株)製、ソルバイン(登録商標)CNL)
・エポキシ変性シリコーンオイル 5質量部
(信越化学工業(株)製、KP-1800U)
・MEK 200質量部
・トルエン 200質量部
上記熱転写シート、中間転写媒体及び熱転写プリンタを準備した。
中間転写媒体の受容層と熱転写シートの着色層とを重ね合わせ、下記熱転写プリンタが備えるサーマルヘッドにより背面層側から熱転写シートを加熱し、中間転写媒体が備える受容層上に、画像を形成した。
サーマルヘッド:京セラ(株)製、KEE-57-12GAN2-STA
発熱体平均抵抗値:3303Ω
主走査方向印字密度:300dpi
副走査方向印字密度:300dpi
印画電圧:18.5V
1ライン周期:3msec.
印字開始温度:35℃
パルスDuty比:85%
剥離層形成用塗工液の組成を以下のように変更した以外は、実施例1と同様にして、印画物を作製した。このようにして得られた印画物は、転写層が転写された領域は凸部であり、かつ該領域にはマット調の画像が形成されており、高い意匠性を有していることが確認できた。
得られた印画物における転写層及びヒートシール層の45度鏡面光沢度は、それぞれ、43.1%、85.0%であった。
・(メタ)アクリル樹脂 67質量部
(三菱ケミカル(株)製、ダイヤナール(登録商標)BR-113)
・(メタ)アクリル樹脂 28質量部
(三菱ケミカル(株)製、ダイヤナール(登録商標)BR-52)
・ポリエステル 5質量部
(東洋紡(株)製、バイロン(登録商標)200)
・メラミン樹脂粒子 50質量部
((株)日本触媒製、エポスター(登録商標)M30)
・MEK 300質量部
・トルエン 300質量部
剥離層形成用塗工液におけるメラミン樹脂粒子を、(メタ)アクリル樹脂粒子((株)日本触媒製、エポスター(登録商標)MA1002)に変更した以外は、実施例1と同様にして、印画物を作製した。このようにして得られた印画物は、転写層が転写された領域は凸部であり、かつ該領域にはマット調の画像が形成されており、高い意匠性を有していることが確認できた。
得られた印画物における転写層及びヒートシール層の45度鏡面光沢度は、それぞれ、50.3%、85.0%であった。
剥離層形成用塗工液におけるメラミン樹脂粒子を、シリカ粒子((株)日本触媒製、シーホスター(登録商標)KE-P250)に変更した以外は、実施例1と同様にして、印画物を作製した。このようにして得られた印画物は、転写層が転写された領域は凸部であり、かつ該領域にはマット調の画像が形成されており、高い意匠性を有していることが確認できた。
得られた印画物における転写層及びヒートシール層の45度鏡面光沢度は、それぞれ、58.9%、85.0%であった。
剥離層形成用塗工液におけるメラミン樹脂粒子を、パール顔料(メルク社製、イリオジン(登録商標)111WNT)に変更した以外は、実施例1と同様にして、印画物を作製した。転写層のΔL* Tは37であり、ヒートシール層のΔL* HSは23であった。このようにして得られた印画物は、転写層が転写された領域は凸部であり、かつ該領域にはパール調の画像が形成されており、高い意匠性を有していることが確認できた。
剥離層形成用塗工液におけるメラミン樹脂粒子を、発泡粒子(松本油脂製薬(株)製、マツモトマイクロスフェアー(登録商標)FN-100M)に変更すると共に、転写層の転写後に、被転写体を170℃に加熱した以外は、実施例1と同様にして、印画物を作製した。転写層の表面粗さ(RaT)は2.4μmであり、ヒートシール層の表面粗さ(RaHS)は1.1μmであった。このようにして得られた印画物は、転写層が転写された領域は凸部であり、かつ該領域には画像が形成されており、極めて高い立体感を有していることが確認できた。
熱転写シートの作製において使用したヒートシール層形成用塗工液を下記組成のものに変更すると共に、中間転写媒体の作製に使用した剥離層形成用塗工液を下記組成のものに変更した以外は、実施例1と同様にして、印画物を作製した。転写層の平均正反射率(RT)は25%であり、ヒートシール層の平均正反射率(RHS)は54%であった。
・塩化ビニル-酢酸ビニル共重合体 20質量部
(日信化学工業(株)製、ソルバイン(登録商標)CNL)
・アルミニウム顔料 20質量部
・MEK 40質量部
・トルエン 40質量部
・(メタ)アクリル樹脂 95質量部
(三菱ケミカル(株)製、ダイヤナール(登録商標)BR-87)
・ポリエステル 5質量部
(東洋紡(株)製、バイロン(登録商標)200)
・MEK 300質量部
・トルエン 300質量部
剥離層形成用塗工液にメラミン樹脂粒子を含有させなかった以外は、実施例1と同様にして、印画物を作製した。このようにして得られた印画物は、転写層が転写された領域は凸部であり、かつ該領域には画像が形成されていたが、凸部と、その他の部分とのコントラストが小さかった。
剥離層形成用塗工液におけるメラミン樹脂粒子を、フッ素樹脂粒子(旭硝子(株)製、フルオンPFA)に変更した以外は、実施例1と同様にして、印画物を作製した。このようにして得られた印画物は、転写層が転写された領域は凸部であり、かつ該領域には画像が形成されていたが、凸部と、その他の部分とのコントラストが小さかった。
印画物の製造において、熱転写シートからのヒートシール層の転写を行わなかった以外は、実施例8と同様にして、印画物を作製した。しかしながら、ピールオフされた領域の近傍の転写層の被転写体への転写が不安定になり、転写不良が生じた。これに対して、実施例1~9では、転写不良は生じなかった。
11:第1基材
12:着色層
13:ピールオフ層
14:ヒートシール層
15:背面層
20:中間転写媒体
21:第2基材
22:転写層
23:剥離層
24:受容層
25:保護層
30:印画物
Claims (10)
- 熱転写シートと中間転写媒体との組合せであって、
前記熱転写シートが、第1基材と、前記第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備え、
前記中間転写媒体が、第2基材と、転写層とを備え、
前記ピールオフ層が、前記中間転写媒体における前記転写層の一部を除去するための層であり、
前記ヒートシール層と、前記転写層との45度鏡面光沢度差の絶対値が、20%以上である、
熱転写シートと中間転写媒体との組合せ。 - 熱転写シートと中間転写媒体との組合せであって、
前記熱転写シートが、第1基材と、前記第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備え、
前記中間転写媒体が、第2基材と、転写層とを備え、
前記ピールオフ層が、前記中間転写媒体における前記転写層の一部を除去するための層であり、
ΔL* HSとΔL* Tとの差の絶対値が、5以上30以下である
[ΔL* HSは、前記ヒートシール層に入射角45度で光を入射したときの、前記光の入射角の正反射角に対する受光角110度及び15度におけるL*値の差の絶対値であり、
ΔL* Tは、前記転写層に入射角45度で光を入射したときの、前記光の入射角の正反射角に対する受光角110度及び15度におけるL*値の差の絶対値である。]、
熱転写シートと中間転写媒体との組合せ。 - 前記ヒートシール層及び前記転写層から選択される少なくとも1つの層が、パール顔料を含有し、前記ヒートシール層におけるパール顔料の含有量と、前記転写層におけるパール顔料の含有量との差の絶対値が、10質量%以上である、請求項2に記載の熱転写シートと中間転写媒体との組合せ。
- 熱転写シートと中間転写媒体との組合せであって、
前記熱転写シートが、第1基材と、前記第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備え、
前記中間転写媒体が、第2基材と、転写層とを備え、
前記ピールオフ層が、前記中間転写媒体における前記転写層の一部を除去するための層であり、
RHSとRTとの差の絶対値が、20%以上50%以下である
[RHSは、入射角5度、測定波長範囲400nm以上700nm以下の条件で前記ヒートシール層に光を入射したときの平均正反射率であり、
RTは、前記条件で前記転写層に光を入射したときの平均正反射率である。]、
熱転写シートと中間転写媒体との組合せ。 - 前記ヒートシール層及び前記転写層から選択される少なくとも1つの層が、金属顔料を含有し、前記ヒートシール層における金属顔料の含有量と、前記転写層における金属顔料の含有量との差の絶対値が、10質量%以上である、請求項4に記載の熱転写シートと中間転写媒体との組合せ。
- 熱転写シートと中間転写媒体との組合せであって、
前記熱転写シートが、第1基材と、前記第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備え、
前記中間転写媒体が、第2基材と、転写層とを備え、
前記ピールオフ層が、前記中間転写媒体における前記転写層の一部を除去するための層であり、
前記ヒートシール層の表面粗さ(RaHS)と、前記転写層の表面粗さ(RaT)との差の絶対値が、0.5μm以上3.0μm以下である、
熱転写シートと中間転写媒体との組合せ。 - 前記ヒートシール層及び前記転写層から選択される少なくとも1つの層が、発泡粒子を含有し、前記ヒートシール層における発泡粒子の含有量と、前記転写層における発泡粒子の含有量との差の絶対値が、10質量%以上である、請求項6に記載の熱転写シートと中間転写媒体との組合せ。
- 第1基材と、前記第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備える熱転写シート、並びに、第2基材と、転写層とを備える中間転写媒体の組合せを準備する工程と、
前記中間転写媒体が備える前記転写層上に、画像を形成する工程と、
前記中間転写媒体が備える前記転写層の一部と、前記熱転写シートが備える前記ピールオフ層の少なくとも一部とを加熱圧着した後、加熱圧着された部分の転写層を、前記中間転写媒体からピールオフする工程と、
前記中間転写媒体の転写層がピールオフされなかった領域、及び前記中間転写媒体の転写層がピールオフされた領域に、前記熱転写シートから前記ヒートシール層を転写する工程と、
前記中間転写媒体の転写層がピールオフされなかった領域における、少なくとも一部に画像が形成された前記転写層及び転写された前記ヒートシール層と、前記中間転写媒体の転写層がピールオフされた領域における転写された前記ヒートシール層とを、被転写体上に転写する工程と
を含む、印画物の製造方法。 - 熱転写シートと中間転写媒体との前記組合せが、請求項1~7のいずれか一項に記載の熱転写シートと中間転写媒体との組合せである、請求項8に記載の印画物の製造方法。
- 第1基材と、前記第1基材上に設けられた、着色層、ピールオフ層及びヒートシール層とを備える熱転写シート、並びに、第2基材と、転写層とを備える中間転写媒体の組合せを用いて製造した印画物であって、前記ピールオフ層が、前記中間転写媒体における前記転写層の一部を除去するための層であり、
被転写体と、
前記被転写体上に設けられた前記ヒートシール層と、
前記ヒートシール層上の一部に設けられた、画像が形成された前記転写層と、
を備える、印画物。
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CN111591059B (zh) * | 2016-03-08 | 2021-12-31 | 大日本印刷株式会社 | 热转印片、以及转印箔与热转印片的组合 |
EP3431303B1 (en) * | 2016-03-18 | 2020-07-08 | Dai Nippon Printing Co., Ltd. | Intermediate transfer medium, combination of intermediate transfer medium and thermal transfer sheet, and method for forming print |
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2020
- 2020-09-30 EP EP20872494.8A patent/EP4039485A4/en active Pending
- 2020-09-30 US US17/753,827 patent/US20220332136A1/en active Pending
- 2020-09-30 JP JP2021518984A patent/JP6919844B1/ja active Active
- 2020-09-30 WO PCT/JP2020/037158 patent/WO2021066016A1/ja unknown
- 2020-09-30 KR KR1020227013241A patent/KR20220063257A/ko not_active Application Discontinuation
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JP2003326865A (ja) | 2002-03-08 | 2003-11-19 | Dainippon Printing Co Ltd | 熱転写シート、画像形成方法、画像形成物の形成方法及び画像形成物 |
WO2014050880A1 (ja) * | 2012-09-26 | 2014-04-03 | 大日本印刷株式会社 | 中間転写媒体、及び中間転写媒体と熱転写シートとの組合せ |
JP2016068373A (ja) * | 2014-09-30 | 2016-05-09 | 大日本印刷株式会社 | 熱転写箔及び印画物形成方法 |
JP2016193595A (ja) * | 2015-03-31 | 2016-11-17 | 大日本印刷株式会社 | 熱転写シート |
JP6098754B1 (ja) * | 2015-09-30 | 2017-03-22 | 大日本印刷株式会社 | 印画物の形成方法、転写層のピールオフ方法 |
JP2017154435A (ja) * | 2016-03-03 | 2017-09-07 | 大日本印刷株式会社 | 熱転写プリンタ及び熱転写方法 |
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Cited By (1)
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JP7257005B1 (ja) * | 2021-07-07 | 2023-04-13 | 大日本印刷株式会社 | 熱転写シート |
Also Published As
Publication number | Publication date |
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JP6919844B1 (ja) | 2021-08-18 |
US20220332136A1 (en) | 2022-10-20 |
EP4039485A4 (en) | 2024-03-27 |
JPWO2021066016A1 (ja) | 2021-11-11 |
EP4039485A1 (en) | 2022-08-10 |
KR20220063257A (ko) | 2022-05-17 |
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