WO2008050864A1 - Procédé d'enregistrement de transfert de chaleur, procédé de formation d'image et article formé par image - Google Patents

Procédé d'enregistrement de transfert de chaleur, procédé de formation d'image et article formé par image Download PDF

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Publication number
WO2008050864A1
WO2008050864A1 PCT/JP2007/070925 JP2007070925W WO2008050864A1 WO 2008050864 A1 WO2008050864 A1 WO 2008050864A1 JP 2007070925 W JP2007070925 W JP 2007070925W WO 2008050864 A1 WO2008050864 A1 WO 2008050864A1
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WO
WIPO (PCT)
Prior art keywords
image
layer
thermal transfer
transfer
metallic gloss
Prior art date
Application number
PCT/JP2007/070925
Other languages
English (en)
Japanese (ja)
Inventor
Takayuki Ohkubo
Yoshihiko Tamura
Original Assignee
Dai Nippon Printing Co., Ltd.
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Filing date
Publication date
Application filed by Dai Nippon Printing Co., Ltd. filed Critical Dai Nippon Printing Co., Ltd.
Publication of WO2008050864A1 publication Critical patent/WO2008050864A1/fr

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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
    • B41M5/382—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
    • B41M5/40—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

Definitions

  • the present invention relates to a thermal transfer recording method and an image forming method, and an image forming method that can be observed with both transmitted light and / or reflected light, have an excellent design, and can realize an image formed product that can be used in many applications. It relates to an image formed product obtained by
  • Printed materials and molded products with metallic luster that are observed using transmitted light and reflected light are manufactured by printing various hues and designs using screen printing and gravure printing. ing.
  • thermal transfer system that can record various colors and images only by a heating device such as a thermal head and thermal transfer conditions without using a wet printing system.
  • a transfer layer in which a colorant such as a pigment or dye is dispersed in a binder such as a heat-meltable wax resin is held on a base sheet such as a plastic film.
  • image information can be obtained by a heating device such as a thermal head. This is a method in which the energy is applied and the colorant is transferred together with a binder onto an image receiving sheet such as paper or plastic sheet.
  • a printed image formed by this melt transfer method has high density and excellent sharpness, and is suitable for recording binary images such as characters and line drawings.
  • binary images such as characters and line drawings.
  • a thermal transfer sheet with colored layers such as yellow, magenta, cyan, and black
  • each colored layer is overlaid on the image receiving sheet and recorded, so that multicolor or full color images can be formed by subtractive color mixing. is there.
  • Japanese Patent Laid-Open No. 9 39399 discloses that a metallic glossy thermal transfer recording material having a metallic gloss layer provided on one surface of a substrate is used to transfer the metallic gloss layer to a transfer target, and a transfer portion thereof.
  • a recording method has been proposed in which a color thermal transfer recording material having a metallic luster is obtained by further transferring a color ink layer using a molten thermal transfer recording material.
  • the ink layer (colored layer) is provided on the surface of the metallic luster layer, and the colored layer is located on the outermost surface of the recorded matter.
  • the recorded matter obtained by the recording method as described above is premised on observing the metallic gloss layer mainly as a reflected image.
  • a metallic glossy image is realized by overlaying a metallic gloss layer or providing a colored layer under the metallic gloss layer to enhance the concealment property of the metallic gloss layer.
  • the present inventors In forming an image by a thermal transfer method, the present inventors have recently achieved a high design property and a high metallic brightness depending on the order in which a metallic glossy image and a normal colored image are printed on a transfer target. The knowledge that an image was realizable was acquired. In addition, even when the metallic gloss layer is overlaid and printed, if the transmittance and reflectance of the metallic gloss layer are within a specific range, a more expressive and excellent metallic gloss image can be realized. And gained knowledge.
  • the present invention relates to Is due to.
  • an object of the present invention is to provide an image forming method capable of realizing a metallic gloss image having excellent design and high expressive power even when observed with transmitted light and / or reflected light. is there.
  • Another object is to provide an image-formed product that can be observed with transmitted light and / or reflected light, has excellent design properties, and can be used in many applications.
  • the image forming method according to the present invention is a method of forming an image on a transfer target using a thermal transfer sheet
  • the metallic gloss layer of the thermal transfer sheet is thermally transferred to a transfer object to form a metallic gloss image
  • the metallic gloss layer of the thermal transfer sheet is applied to the transferred body at least once so that the metallic gloss image area partially overlaps with the metallic gloss image formed on the transferred body but does not become the same. It is characterized by forming a metallic gloss image by thermal transfer.
  • An image forming method is a method of forming an image on a transfer medium using an intermediate transfer recording medium
  • the metallic gloss layer of the thermal transfer sheet is thermally transferred to the transfer portion of the intermediate transfer recording medium to form a metallic gloss image
  • the metallic gloss layer of the thermal transfer sheet is applied to the transfer portion of the intermediate transfer recording medium at least once so as to cover the entire metallic gloss image region on the metallic gloss image formed on the transfer portion. Heat transfer to form a metallic glossy image,
  • the transfer portion on which the metallic gloss image is formed is re-transferred to the transfer body to form a metallic gloss image on the transfer body.
  • an image forming method uses a thermal transfer sheet to transfer A method of forming an image on a body
  • the color thermal transfer layer of the thermal transfer sheet is partially thermally transferred to a transfer target to form a color image
  • the metallic gloss layer of the thermal transfer sheet is thermally transferred onto the color image formed on the transfer object to form a metallic gloss image.
  • An image forming method is an image forming method for forming a metallic gloss image on a transfer medium using an intermediate transfer recording medium
  • the metallic gloss layer of the thermal transfer sheet is thermally transferred to the transfer portion of the intermediate transfer recording medium to form a metallic gloss image
  • the color thermal transfer layer of the thermal transfer sheet is partially thermally transferred onto the metallic gloss image formed on the transfer portion to form a color image
  • the transfer portion on which the metallic gloss image and the color image are formed is re-transferred to the transfer body to form a metallic gloss image on the transfer body.
  • an image formed product according to another aspect of the present invention is an image formed product in which a sublimation type and / or a melt type thermal transfer image is formed on a transfer target,
  • a second metallic gloss image is formed on the first metallic gloss image so that the first metallic gloss image and the first metallic gloss image area partially overlap but are not the same.
  • the difference in light reflectance between the second metallic gloss image area and the other image areas on the surface of the formation is the L * value in the L * a * b * color system of the International Lighting Commission (CIE). The difference is 0 to 10;
  • an image formed product is an image formed product in which a sublimation type and / or a melt type thermal transfer image is formed on a transfer target, An image area in which at least one selected from the group consisting of a color image, a black image, a white image, and a gray image is formed, and an image area in which a metallic gloss image is formed so as to cover the entire image area Are formed on the transfer material in this order, and at least one selected from the group consisting of a color image, a black image, a white image, and a gray image on the surface of the image formed product was formed.
  • the light reflectance between the image area and the other image areas is the difference in L * value in the L * a * b * color system of the International Commission on Illumination (CIE).
  • an intermediate transfer recording medium is an intermediate transfer recording medium in which a transfer portion including at least a receiving layer is provided on a substrate so as to be peelable.
  • a sublimation type and / or a fusion type thermal transfer image is formed in the transfer portion, and the thermal transfer image includes an image region in which a metallic gloss image is formed in order from the substrate side, and one of the image regions.
  • a thermal transfer recording method uses a thermal transfer sheet in which a metallic gloss layer is provided on a substrate, and the metallic gloss layer is thermally transferred a plurality of times to the transfer target to obtain metallic gloss.
  • a thermal transfer recording method for obtaining an image formed product uses a thermal transfer sheet in which a metallic gloss layer is provided on a substrate, and the metallic gloss layer is thermally transferred a plurality of times to the transfer target to obtain metallic gloss.
  • the transfer part area thermally transferred at the first time of the metallic gloss layer and the transfer part area thermally transferred at the second and subsequent times partially overlap but are not the same.
  • the thermal transfer recording method uses a thermal transfer sheet in which a metallic gloss layer is provided on a substrate, and a release layer, an overcoat layer, and an adhesive on the substrate.
  • a metallic gloss layer is thermally transferred to a transparent transfer film provided with a layer, and the thermally transferred transfer layer is re-transferred to a transfer target to obtain an image formed product having a metallic gloss.
  • a thermal transfer recording method is a thermal transfer recording method in which an image is formed on a transferred body using a thermal transfer sheet.
  • the thermal transfer layer is partially thermally transferred to a transfer target, and further using a thermal transfer sheet having a metallic gloss layer on the substrate.
  • the glossy metallic layer is thermally transferred onto the thermal transfer layer transferred to the body.
  • the thermal transfer recording method uses a thermal transfer sheet to form an image on a transparent transfer film provided with a release layer, an overcoat layer, and an adhesive layer on a substrate. Thermal transfer, and then re-transferring the heat-transferred image to the transfer target, forming an image.
  • thermal transfer sheet having a metallic gloss layer on a substrate thermally transferring the metallic gloss layer to the transparent transfer film, and further using a thermal transfer sheet having a color thermal transfer layer on the substrate, the transfer film.
  • the thermal transfer layer is partially thermally transferred onto the transferred metallic luster layer.
  • the metallic gloss image area is partially overlapped but is not the same.
  • the boundary area between the metallic glossy images can be clearly seen by transmitted light and / or reflected light, so that it is possible to obtain an image forming product with excellent design.
  • the expressive power of the image is improved and the texture is excellent.
  • a metallic gloss image can be formed.
  • the metallic gloss image and another metal glossy image so as to cover the entire metallic gloss image are formed on the transfer portion of the intermediate transfer recording medium.
  • the glossy image in this order, the boundary between the two metallic glossy images can be clearly seen by transmitted light and / or reflected light, so that it is possible to obtain an image-formed product with excellent design.
  • the image expressive power is improved and the texture is excellent.
  • a metallic gloss image can be formed.
  • a metallic gloss image and a part of the metallic gloss image are formed on the transfer portion of the intermediate transfer recording medium.
  • the image-formed product according to the present invention is an image-formed product in which a sublimation type and / or a melt-type thermal transfer image is formed on a transfer target,
  • a second metallic gloss image is formed on the first metallic gloss image so that the first metallic gloss image and the first metallic gloss image area partially overlap but are not the same.
  • the difference in light reflectance between the second metallic gloss image area and the other image areas on the surface of the formation is the L * value in the L * a * b * color system of the International Lighting Commission (CIE). The difference is 0 to 10;
  • the image formed product according to the present invention includes an image region in which at least one selected from the group consisting of a metallic gloss image, a color image, a black image, a white image, and a gray image is formed, and the others
  • a metallic gloss image By making the reflectance of light from the metallic gloss image area of the L * value in the L * a * b * color system of the International Lighting Commission (CIE) 0-20, the metallic gloss image It is possible to realize an image formed product having excellent design properties.
  • CIE International Lighting Commission
  • the intermediate transfer recording medium includes, in order from the base material side, an image area in which a metallic gloss image is formed, and a metallic gloss image, a color image, black color formed on a part of the image area. Since an image area formed with at least one selected from the group consisting of an image, a white image, and a gray image is formed, when the intermediate transfer recording medium is used to retransfer the image to the transfer object In both transmitted light and reflected light, it is possible to obtain an image-formed product excellent in design of a metallic gloss image.
  • the thermal transfer recording method of the present invention since the boundary area between both metallic gloss images can be clearly visually recognized by transmitted light and / or reflected light, an image formed article having excellent design properties can be obtained. You can get power.
  • the present invention the same resolution as in the past, Even when a fine metallic gloss image such as a hairline is formed on a generic gloss image, the expressive power of the image is improved, and a metallic gloss image having an excellent texture can be formed.
  • a metallic gloss image is formed on a color image, and therefore an image-formed product excellent in designability in either transmitted light or reflected light. You can power to get.
  • FIG. 1 is a schematic diagram showing an embodiment of an image formed product obtained by the image forming method according to the present invention.
  • FIG. 2 is a schematic view showing an embodiment of an image formed product obtained by the image forming method of another aspect of the present invention.
  • FIG. 3 is a schematic view showing an embodiment of an image formed product obtained by the image forming method of another aspect of the present invention.
  • FIG. 4 is a schematic view showing an embodiment of an image formed product obtained by the image forming method of another aspect of the present invention.
  • FIG. 5 is a schematic view showing an embodiment of an image formed product obtained by the image forming method of another aspect of the present invention.
  • FIG. 6 is a schematic view showing an embodiment of an image formed product obtained by the image forming method of another aspect of the present invention.
  • FIG. 7 is a schematic view showing an embodiment of an image formed product obtained by the image forming method of another aspect of the present invention.
  • FIG. 8 is a schematic view showing an example of obtaining the image formed product shown in FIG. 3 using the intermediate transfer recording medium used in the image forming method according to the present invention.
  • FIG. 9 is a schematic view showing an example of obtaining the image formed product shown in FIG. 1 using the thermal transfer sheet used in the image forming method according to the present invention.
  • the image forming method according to the first aspect of the present invention is a method for obtaining an image formed product as shown in FIGS. 1 to 3 by using a thermal transfer sheet.
  • the image-formed product shown in FIG. 1 has another metallic glossy layer 3 so that the metallic glossy layer 2 is partially overlapped with the area of the metallic glossy layer 2 but is not the same. And are formed.
  • the image-formed product shown in FIG. 1 is a force obtained by thermally transferring a metallic glossy layer twice on a transfer material.
  • the number of laminations of the metallic glossy layer is not limited to 2 times. And it can be 3 layers or more!
  • the metallic gloss layer 2 is transferred onto the transfer target 10, and the metallic gloss layer 3 has a smaller area than the metallic gloss layer 2 on the metallic gloss layer 2. And it is transferred and laminated.
  • the part where only the metallic luster layer 2 has only one metallic luster layer is the first transfer section 11 of the metallic luster layer, and the metallic luster layer 2 and the metallic luster layer 3 overlap to form multiple layers (in this case The two-layer portion) is the multiple transfer portion 12.
  • the transmittance of the metallic gloss layer 2 in the first transfer portion is 47% (that is, the region of 11), and the transfer is performed multiple times.
  • the transmittance of the part is 19% (that is, the area of 12), and the light reflectance is different between the first thermal transfer part and the second and subsequent thermal transfer parts.
  • the boundary area between both metallic gloss images can be clearly recognized.
  • a fine metallic luster layer 3 such as a hairline is formed on the metallic luster layer 2 with the same resolution as before, the expressive power of the image is improved and a metallic luster image with an excellent texture is obtained. Can be formed.
  • the expressive power of the image is improved and the metallic luster image with an excellent texture. Can be formed.
  • the transmittance of the metallic gloss layer 2 in the region of the first thermal transfer portion 2 is 47%, and the transmittance of the region of the thermal transfer portion 3 in the second and subsequent times is 19%. There is a difference in transmittance between the first and second thermal transfer sections.
  • the black ink layer 6, the white ink layer 4, and the white ink layer 5 are thermally transferred onto the transfer target 10 in this order, and further on the white ink layer 5,
  • the metallic gloss layer 2 is thermally transferred, and the metallic gloss layer 3 is transferred and laminated on the metallic gloss layer 2 in a smaller area than the metallic gloss layer 2.
  • the white ink layer is thermally transferred twice.
  • the present invention is not limited to this, and the thermal transfer may be performed once or three times or more.
  • the black ink layer can be appropriately adjusted in the number of times of transfer of the black ink layer in order to improve the contrast and the like even if the force is transferred twice or more.
  • the heating means for thermally transferring the image can be performed by a conventional thermal transfer recording method.
  • the power that can be used with a thermal head or the like is not limited to this.
  • a light source or heating means using a laser light source may be used.
  • the image forming method according to the first aspect of the present invention is a method for obtaining an image formed product as shown in FIGS. 4 and 5 using a thermal transfer sheet, and a color thermal transfer image is partially formed on a transfer target.
  • the metallic gloss layer is thermally transferred onto the color image to form a metallic gloss image.
  • the color image in either transmitted light or reflected light (Pattern) can be recognized and a metallic tone image can be obtained, so that an image-formed product excellent in design can be obtained.
  • two white ink layers of white ink layer 4 and white ink layer 5 are thermally transferred onto transfer target 10, and further yellow heat transfer is performed on white ink layer 5.
  • the layer 7, the magenta thermal transfer layer 8, and the cyan thermal transfer layer 9 are thermally transferred, and further, the metallic gloss layer 2 is transferred and laminated thereon.
  • the yellow thermal transfer layer 7, the magenta thermal transfer layer 8, and the cyan thermal transfer layer 9 are transferred in a star shape, respectively. be able to.
  • the force showing the thermal transfer of the white ink layer twice is not limited to this, and the thermal transfer may be performed once or three or more times. In order to improve the reflectivity and contrast, the number of times of thermal transfer of the white ink layer can be appropriately adjusted.
  • the black ink layer 6, the white ink layer 4, and the white ink layer 5 are sequentially heat-transferred onto the transfer target 10, and further, yellow heat transfer is performed on the white ink layer 5.
  • the layer 7, the magenta thermal transfer layer 8, and the cyan thermal transfer layer 9 are thermally transferred, and the metallic gloss layer 2 is further thermally transferred and laminated thereon.
  • the white ink layer is thermally transferred twice.
  • the present invention is not limited to this, and the heat transfer may be performed once or three or more times. In order to improve the reflectivity and contrast, the power of the white ink layer can be adjusted appropriately.
  • the black ink layer can be used to adjust the number of times of transfer of the black ink layer as appropriate in order to improve the contrast, etc., even if it is transferred twice or more. .
  • FIGS. Another embodiment of the image-formed product obtained by the image-forming method according to the present invention is shown in FIGS.
  • the image-formed product shown in FIG. 6 is obtained by thermally transferring a gray ink layer in place of the yellow thermal transfer layer 7, the magenta thermal transfer layer 8 and the cyan thermal transfer layer 9 of the image-formed product shown in FIG.
  • the gray ink layer 13 is a force transferred in a star shape, and is not limited to this, and the shape can be appropriately changed to enhance the design.
  • the image formed product shown in FIG. 7 is obtained by thermally transferring a gray ink layer instead of the yellow thermal transfer layer 7, the magenta thermal transfer layer 8 and the cyan thermal transfer layer 9 of the image formed product shown in FIG.
  • the gray ink layer 13 is not limited to the force transferred in a star shape, and the design can be improved by appropriately changing the shape.
  • the image forming method according to the third aspect of the present invention is a method for obtaining an image formed product as shown in FIGS. 1 to 3 by using an intermediate transfer recording medium.
  • an intermediate transfer recording medium provided with a transfer portion consisting of at least a receiving layer so as to be peelable on a base material is prepared, and a metallic gloss layer is formed on the transfer portion of the intermediate transfer recording medium. Another metallic gloss image is thermally transferred to cover the image. Then, by retransferring the transfer portion of the intermediate transfer recording medium on which the two metal luminous layers are formed to the transfer target, an image formed product as shown in FIGS. 1 to 3 is obtained. That is, the order in which the images are thermally transferred to the transfer portion of the intermediate transfer recording medium by the thermal transfer sheet is opposite to the thermal transfer order in the image forming method of the first aspect.
  • FIG. 8 shows an example of an intermediate transfer recording medium used for obtaining the image formed product shown in FIG.
  • a base material provided with a transfer portion including at least a receiving layer so as to be peelable is prepared.
  • a transparent transfer film (base material) having a release layer, an overcoat layer and an adhesive layer can also be used. In this case, a release treatment is performed on the surface of the transfer film.
  • the metallic gloss layer 3, the metallic gloss layer 2, the white ink layer 5, the white ink layer 4, and the black ink layer 6 are thermally transferred in this order (FIG. 8 (a)).
  • the metallic gloss layer 3 is transferred and laminated in a smaller area than the metallic gloss layer 2.
  • Transparent transfer film on which each of the above layers is transferred The film is heated so that the black ink layer 6 of the film and the final transfer target 15 are in contact with each other, and then the transparent transfer film substrate 14 is peeled off, and the black ink layer 6 is formed on the final transfer target 15. Then, an image formed product in which the white ink layer 4, the white ink layer 5, the metallic gloss layer 2, and the metallic gloss layer 3 are laminated in this order can be produced (FIG. 8 (b)).
  • it can be transferred through an adhesive layer (not shown).
  • the heating means for thermally transferring an image from the thermal transfer sheet to the intermediate transfer recording medium can be performed by a conventional thermal transfer recording method, and a thermal head or the like can be used, but is not limited thereto.
  • a heating means using a light source or a laser light source may be used.
  • the heating means for retransferring the transfer portion on which the thermal transfer image is formed to the transfer target is not limited to the heat roll method, and may be a hot stamp method, a thermal head method, or the like.
  • the image forming method according to the fourth aspect of the present invention is a method for obtaining an image formed product as shown in FIGS. 4 and 5 by using an intermediate transfer recording medium.
  • an intermediate transfer recording medium provided with a transfer portion consisting of at least a receiving layer so as to be peelable on a base material is prepared, and a metallic gloss layer is formed on the transfer portion of the intermediate transfer recording medium to obtain a metallic gloss.
  • a color thermal transfer layer is further partially thermally transferred onto the image.
  • an image formed product as shown in FIGS. 4 and 5 is obtained.
  • the order in which the images are thermally transferred to the transfer portion of the intermediate transfer recording medium by the thermal transfer sheet is opposite to the thermal transfer order in the image forming method of the second aspect.
  • the order of thermal transfer to the intermediate transfer recording medium in the image forming method of the present embodiment is the reverse of that of the image forming method of the second embodiment, but the description of the difference in the image to be formed is omitted.
  • the thermal transfer sheet used in the image forming method according to the present invention includes (1) a substrate provided with a metallic gloss layer, (2) a substrate provided with a color thermal transfer layer, and (3) a substrate. Those having a white ink layer and / or a black ink layer thereon are used. In addition As a preferred embodiment, those having a gray thermal transfer layer can also be used.
  • thermal transfer sheet when these various thermal transfer sheets are combined to thermally transfer an image to a transfer target (or intermediate transfer recording medium), a specific thermal transfer sequence and a thermal transfer region are used.
  • a metallic gloss image formed by thermal transfer a metallic gloss image having a high design property in which the outline of the metallic gloss image is easily visible and excellent in contrast can be obtained.
  • each member constituting the thermal transfer sheet will be described in detail.
  • the base material used for the thermal transfer sheet is capable of forming a metallic luster layer, a color thermal transfer layer, a white ink layer, and a black ink layer, and has a predetermined heat resistance and strength. It is not particularly limited.
  • Such a substrate include polyethylene terephthalate film, 1,4-polycyclohexylene dimethylene terephthalate phenolic film, polyethylene naphthalate film, polyphenylene sulfide film, polystyrene film, polypropylene film, Polysulfone film, aramid film, polycarbonate vinylome, polyvinylenoreconole vinylenome, seronolone, senolenose oxalic acid senolose derivatives, polyethylene film, polychlorinated bure film, nylon film, polyimide iminolem, ionomer film Etc.
  • the thickness of the substrate is, for example, about 0.5 to 50 ⁇ m, preferably about 1 to 10 ⁇ m.
  • the thermal transfer sheet used in the image forming method according to the present invention is provided with a heat-resistant layer on the opposite side of the surface of the substrate on which the transfer layer is formed, and adverse effects such as sticking due to heat of the thermal head and printing wrinkles. Can be prevented.
  • the heat-resistant layer is basically composed of a heat-resistant resin and a thermal release agent or a substance that functions as a lubricant.
  • the heat-resistant layer comprises a binder resin containing a slip agent, a surfactant, inorganic particles, organic particles, a pigment, and the like. What was added is preferably used and formed. Binder resins used in the heat-resistant layer include, for example, cetenoresose such as ethinoresenorelose, hydroxyethinoresenorelose, hydroxypropinoresenoreose, methylcellulose, cellulose acetate, cellulose acetate butyrate, and nitrified cotton.
  • cetenoresose such as ethinoresenorelose, hydroxyethinoresenorelose, hydroxypropinoresenoreose, methylcellulose, cellulose acetate, cellulose acetate butyrate, and nitrified cotton.
  • -Based resins such as polybulol alcohol, polybutyl alcohol, polybutyral, polybutyral, polyvinylacetal, polybulurpyrrolidone, acrylic resin, polyacrylolamide, acrylonitrile styrene copolymer, polyester resin, polyurethane resin, silicone modified Or a fluorine-modified urethane resin etc. are mentioned.
  • the heat-resistant layer can be formed by dissolving or dispersing a material obtained by adding a slipping agent, surfactant, inorganic particles, organic particles, pigments, etc. into a non-resin resin in an appropriate solvent.
  • the coating liquid is prepared, and this coating liquid is applied by conventional coating means such as a gravure coater, roll coater, wire bar, and the like, but is not limited thereto. It is not a thing.
  • the coating amount of the heat resistant layer is preferably about 0.0;! To 3 g / m 2 in a dry state.
  • the metallic luster layer is a layer in which metallic powder such as aluminum powder, bronze powder, copper powder, tin powder, lead powder and zinc powder, and metallic luster pigment having metallic luster such as pearl pigment are dispersed in the resin.
  • metallic powder can be used with either leafing type or non-leafing type.
  • the resin constituting the metallic luster layer include thermoplastic resins such as styrene butadiene copolymers, acrylonitrile butadiene copolymers, polyalkylene resins such as polyethylene and polypropylene, ethylene-ethyl acrylate copolymers, ethylene.
  • Acrylic resins such as acrylic acid copolymer, polyester resin, ethylene acetate butyl copolymer, polyacetic acid butyl, ionomer resin, polybutyl chloride, butyl chloride butyl acetate copolymer, poly butyl ether, poly butyl acetal, Of conventionally known resins such as fiber polymers such as polybutyl butyral, polybutyl alcohol, polybutyropyrrolidone, polyutalene, polyamide, ethyl cellulose, nitrocellulose and cellulose acetate, and rubber polymers such as chlorinated rubber and natural rubber. One kind or Two or more combinations are effective. The coating amount 0.1 at the time of drying;!
  • ⁇ 5 g / m 2 range is preferred instrument is a scope of 0. 5 ⁇ 3g / m 2. If it is less than 0 lg / m 2 , sufficient glossiness cannot be obtained, and if it exceeds 5 g / m 2 , the print sensitivity is significantly lowered.
  • the metallic luster layer in addition to the above metallic luster pigment and resin, if necessary, it is possible to mix and use a wax component to the extent that heat resistance and the like are not impaired.
  • the wax include microcrystalline wax, carnauba wax, and paraffin wax.
  • various waxes include those having a melting point of 50 to 85 ° C. are particularly preferable.
  • the temperature is 50 ° C or less, there will be a problem in storage stability, and if it is 85 ° C or more, the printing sensitivity will be insufficient.
  • the color thermal transfer layer can be used with a known thermal transfer layer in melt thermal transfer recording or a known dye layer in sublimation thermal transfer recording, and is not particularly limited.
  • the sublimable dye layer can be formed from a coating liquid containing a sublimable dye, a binder resin, and other optional components.
  • a sublimation dye, binder resin and the like conventionally known dyes can be used, and are not particularly limited.
  • the dye layer can be formed by a conventionally known method in which a dye layer coating solution is prepared and applied to a substrate film by means of a gravure printing method and dried. The thickness of the dye layer is about 0.2 to 3 g / m 2 in a dry state.
  • the molten layer can be formed using the same hot-melt ink as in the prior art, and various additives may be added as necessary. These materials can be used with a conventionally known material and are not particularly limited.
  • the molten layer is formed by applying hot-melt ink on a substrate film using a method such as hot melt coating.
  • the thickness of the molten layer to be formed is determined from the relationship between the required concentration and thermal sensitivity, and is usually preferably in the range of about 0.2 to 1 C ⁇ m.
  • the white ink layer has a function of imparting appropriate light diffusibility and light transparency to the image-formed product onto which the white ink layer has been transferred, and is mainly composed of a white pigment, a filler, and a binder resin.
  • the preferred resin that can be used as the noinder resin acrylic resins, cellulose resins, polyester resins, bull resins, polyurethane resins, polycarbonate resins, or partially crosslinked resins thereof are preferable.
  • the white pigment and filler are hard solid particles, for example, inorganic fillers such as silica, alumina, clay, talc, calcium carbonate and barium sulfate, white pigments such as titanium oxide and zinc oxide, acrylic Resin, epoxy resin, polyurethane resin, phenol resin, melamine resin, benzoguanamine resin, fluororesin, silicone resin, and other resin particles (plastic pigment).
  • Titanium oxide includes rutile type titanium oxide and anatase type titanium oxide.
  • a fluorescent whitening agent can be added in addition to the binder resin, the white pigment and the filler.
  • the fluorescent whitening agent a conventionally known compound having a fluorescent whitening effect, such as a stilbenzene series or a virazoline series, can be used.
  • the white layer 6 should have appropriate light diffusibility and light transmittance by adjusting the solid content ratio of the white pigment and filler to the binder resin, that is, the P / V ratio and the thickness of the white layer. Can do.
  • the coating amount of the white ink layer is about 0.5 to 5. Og / m 2 in a dry state, appropriate light diffusibility and light transmittance can be obtained.
  • the black ink layer is not particularly limited, and can use a known thermal transfer layer in melt thermal transfer recording or a known dye layer in sublimation thermal transfer recording.
  • the content ratio of the colorant constituting the black ink layer can be reduced, the coating amount of the black ink layer can be reduced, or a black pigment (carbon black) and a white pigment can be mixed and adjusted to an arbitrary sag color tone.
  • a gray ink layer can be prepared and used in the present invention. As shown in Figures 6 and 7, using a gray ink layer in combination with a metallic luster layer, a highly designable image using the difference between the transmittance of the metallic luster layer and the transmittance of the gray ink layer Forms can also be formed. This image-formed product becomes a product in which the amount of light transmission is adjusted, and can be used for applications such as automobile rear windows such as smoked glass (smoke film) and window glass.
  • a conventionally known release layer is provided between the layers and the substrate. It can be provided, or a conventionally known adhesive layer can be added to the uppermost layer.
  • a substrate on which a transfer portion comprising at least a receiving layer is provided so as to be peelable is used.
  • the same base materials as those described for the thermal transfer sheet can be used.
  • the side of the intermediate transfer recording medium on which the transfer portion is provided It is also possible to similarly provide the heat-resistant layer described in the thermal transfer sheet on the opposite surface.
  • the receiving layer is provided so as to be positioned on the outermost surface as a part of the transfer portion constituting the intermediate transfer recording medium.
  • an image is formed by thermal transfer from a thermal transfer sheet having a color material layer by thermal transfer. Then, the transfer portion of the intermediate transfer recording medium on which the image is formed is transferred to the transfer target, and as a result, a printed matter is formed.
  • a conventionally known resin material that can easily receive a heat-transferable colorant such as a sublimation dye or a heat-meltable ink
  • a resin material that can easily receive a heat-transferable colorant such as a sublimation dye or a heat-meltable ink
  • polyolefin resins such as polypropylene, halogenated resins such as polychlorinated butyl or polyvinylidene chloride, polyacetic acid butyl, chlorinated butyl acetate butyl copolymer, ethylene acetate butyl copolymer or polyacrylic acid ester Bull resin, polyester resin such as polyethylene terephthalate or polybutylene terephthalate, polystyrene resin, polyamide resin, copolymer resin of olefins such as ethylene or propylene and other bur polymers, ionomer or cellulose diaster Cellulose resins such as Z, polycarbonate, etc.
  • chlorinated resin acrylic styrene resin or polyester resin is particularly preferred.
  • an adhesive resin material such as butyl chloride vinyl acetate copolymer.
  • the receiving layer is made by dissolving or dispersing in one or more materials selected from the above-mentioned materials and various additives as necessary, in an appropriate solvent such as water or an organic solvent.
  • a receiving layer coating solution can be prepared and applied and dried by means of a gravure printing method, a screen printing method or a reverse coating method using a Daravia plate. Its thickness is about 1 to 10 g / m 2 in a dry state.
  • the intermediate transfer recording medium according to the present invention can form a receiving layer on a substrate via a release OP layer.
  • the transfer portion of the intermediate transfer recording medium is composed of the peeling OP layer and the receiving layer, and the transfer portion is transferred to the transfer target body with the receiving layer in such a form that the peeling OP layer is the outermost surface.
  • the release OP layer has the function of protecting the thermal transfer image on the outermost surface of the printed material and the function of the release layer when the transfer portion of the intermediate transfer recording medium is peeled off and thermally transferred.
  • the release OP layer is, for example, microcrystalline wax, carnauba wax, paraffin wax, Fischer-Tropsch wax, various low molecular weight polyethylene, wood wax, beeswax, whale wax, ibota wax, wool wax, shellac wax, candelilla wax, petrolatatam , Partially modified waxes, waxes such as fatty acid esters, fatty acid amides, silicone wax, silicone resin, fluororesin, acrylic resin, polyester resin, polyurethane resin, cellulose resin, chlorinated butyl acetate copolymer, nitrified cotton, etc. It can be formed using a thermoplastic resin.
  • Peeling OP layer is particularly preferably composed mainly of acrylic resin, polyester resin, polyurethane resin, etc. with excellent transparency, abrasion resistance, chemical resistance, etc. Also, the above-mentioned wax is required for it. Depending on the situation.
  • the release OP layer can be formed by applying and drying using a conventionally known means such as hot melt coating, hot lacquer coating, gravure coating, gravure reverse coating, roll coating and the like.
  • the thickness of the peeling OP layer is preferably about 0.;! ⁇ 5g / m 2 when dried.
  • a release layer can be provided on the substrate instead of the above-described release OP layer, and this release layer is usually formed of a binder resin and a release material. The release layer hardly peels off from the substrate during thermal transfer and remains on the substrate film side.
  • thermoplastic resins such as polymethyl methacrylate, polyethyl methacrylate, polybutyl acrylate, and other acrylic resins, polyacetate butyl, butyl chloride, butyl acetate copolymer, poly Vinylol resins such as butyl alcohol and polybutyral, cellulose derivatives such as ethyl cellulose, nitrocellulose, and cellulose acetate, or unsaturated polyester resins that are thermosetting resins, polyester resins, polyurethane resins, aminoalkyd resins, etc. Can be used.
  • thermoplastic resins such as polymethyl methacrylate, polyethyl methacrylate, polybutyl acrylate, and other acrylic resins, polyacetate butyl, butyl chloride, butyl acetate copolymer, poly Vinylol resins such as butyl alcohol and polybutyral, cellulose derivatives such as ethyl cellulose, nitrocellulose, and cellulose acetate, or unsaturated polyester resin
  • waxes silicone waxes, silicone resins, melamine resins, fluorine resins, fine powders of talc and silica, lubricants such as surfactants and metal soaps, and the like can be used.
  • the release layer is prepared by dissolving or dispersing the above resin in an appropriate solvent to prepare a release layer coating solution, which is then applied to a gravure printing method, screen printing method or gravure plate on a base film. It can be formed by applying and drying by means of the reverse coating method used. The thickness after drying is usually 0 ⁇ ! ⁇ 10 g / m 2 .
  • the thermal transfer image is thermally transferred by the above-described thermal transfer sheet, or the transfer portion on which the thermal transfer image of the intermediate transfer recording medium is formed is transferred.
  • the material to be transferred used in the present invention is not particularly limited.
  • natural pulp paper, coated paper, tracing paper, plastic film that is not deformed by heat during transfer, glass, metal, ceramics, wood Any material such as cloth may be used.
  • the natural pulp paper is not particularly limited.
  • fine paper, art paper, lightweight coated paper, finely coated paper, coated paper, cast coated paper, synthetic resin or emulsion impregnated paper, synthetic rubber latex impregnated paper, synthetic paper examples thereof include resin-added paper and thermal transfer paper.
  • the plastic film polyethylene terephthalate film, polystyrene film, polypropylene film, aramid film, polycarbonate film, polyvinyl alcohol film, cellulose derivative such as cellulose, cellulose acetate, polyethylene film, polychlorinated Examples thereof include a bull film, a nylon film, a polyimide film, and an ionomer film.
  • the plastic film used as the transferred body is transparent or translucent in order to observe the metallic gloss image provided on the transferred body with transmitted light and / or reflected light. Is preferred.
  • Shape of transferred object ⁇ Stocks, securities, certificates, passbooks, boarding tickets, car horse tickets, stamps, stamps, appreciation tickets, admission tickets, tickets, cash cards, credit cards, etc. , Prepaid cards, members cards, greeting cards, postcards, business cards, driver's licenses, cards such as IC cards and optical cards, cases such as cartons and containers, bags, forms, envelopes, tags, OHP sheets, Slide films, bookmarks, calendars, posters, brochures, menus, POP supplies, coasters, displays, nameplates, keyboards, cosmetics, wristwatches, lighters and other accessories, stationery, report paper and other stationery and passports, small books , Booklets for magazines, building materials, panels, emblems, keys, cloth, clothing, footwear, radio, television, calculators, O There is no limitation on the type of equipment such as equipment A, various sample books, albums, computer graphics output, medical image output, etc.
  • the image forming method according to the present invention is one in which a sublimation type and / or a melt type thermal transfer image is formed using the above-described image forming method and a thermal transfer sheet or an intermediate transfer recording medium. Separated. First, as shown in FIGS. 1 to 3, the first metallic gloss image 2 and the first metallic gloss image region 2 are partially overlapped on the surface of the transfer target 10, but not to be the same. The second metallic gloss image 3 is formed on the first metallic gloss image 2.
  • the difference in light reflectance between the area of the second metallic luster image 12 and the area of the other image (11) is the difference in the L * a * b * color system of the International Lighting Commission (CIE).
  • the difference in L * values is 0 to 10;
  • the difference in light transmittance between the region of the second metallic gloss image 12 and the region of the other image (11) is 10% or more. More preferably, it is 20% or more. By setting the difference in light transmittance within this range, an image with better design can be obtained. If the difference in light transmittance is less than 10%, an image with high metallic gloss can be obtained, but the boundary between the first metallic gloss image and the second metallic gloss image becomes unclear, and the second It becomes difficult to recognize metallic glossy images.
  • the image-formed product of another embodiment is at least selected from the group consisting of a color image, a black image, a white image, and a gray image on the surface of the transfer target 10 as shown in FIGS.
  • An image area in which one type is formed and an image area in which a metallic gloss image is formed so as to cover the entire image area are formed in this order.
  • the reflectance of light between the image area formed with at least one selected from the group consisting of the color image, black image, white image, and gray image and the other image areas is determined by the International Commissioner for Illumination.
  • the difference in L * value in the CIE L * a * b * color system is 0-20.
  • an image forming area such as a color image existing on the lower surface can be recognized by reflected light only by transmitted light, and an image with a high metallic design can be obtained.
  • the difference in reflectivity is 0 to; 17 is more preferred as the difference in L * value, more preferably 0 to 13; By setting it within this range, even when the image is observed with reflected light, an image with higher contrast and excellent design can be obtained.
  • a white ink layer and / or a black ink layer can be provided between the metallic gloss layer and the transfer target.
  • the light transmittance of the metallic luster layer formed on the outermost surface of the transfer object The force S is preferably 10 to 90%, more preferably 20 to 70%. If the light transmittance is less than 10%, an image with high metallic gloss can be obtained, but it becomes difficult to recognize an image forming area such as a color image and the image lacks design. On the other hand, if it exceeds 90%, the metallic luster becomes poor.
  • the light transmittance can be measured by a conventionally known method. For example, the transmittance at a visible light wavelength (450 to 680 nm) can be measured using a spectrophotometer.
  • a dry coating amount of 0.25 g / m 2 is applied to one side of a 4.5 m thick PET (Toray) by gravure coating with a peeling layer coating liquid of the following composition: And then dried to form a release layer. Furthermore, on the release layer, a metallic gloss layer coating liquid having the following composition is applied by gravure coating so that the dry coating amount is 0.8 g / m 2 and dried to form a metallic gloss layer. Thus, a metallic ribbon was produced.
  • a heat-resistant layer is formed by applying a coating solution for the heat-resistant layer having the following composition by gravure coating in advance so that the dry coating amount is 0.3 g / m 2 and drying. I kept it.
  • the dry coating amount of the release layer forming coating solution is 0.30 g / m 2
  • the metallic gloss layer coating solution is replaced with a black layer coating solution having the following composition, and the dry coating amount is 1. lg / except that coating so that the m 2, similarly to the metallic ribbon, to prepare a black ink ribbon.
  • the dry coating amount of the release layer forming coating solution is 0.3 g / m2, and the metallic gloss layer coating solution is replaced with the gray layer coating solution having the composition shown below, and the dry coating amount is 0.6 g / m 2. except that coating so that the m 2, similarly to the metallic ribbon, to prepare a black ink ribbon.
  • the dry coating amount of the release layer forming coating solution is 0.35 g / m 2
  • the metallic gloss layer coating solution is replaced with the white layer coating solution having the composition shown below. except that coating so that the m 2, similarly to the metallic ribbon, to prepare a white ink ribbon.
  • the dry coating amount of the release layer forming coating solution is 0.30 g / m 2
  • the metallic gloss layer coating solution is replaced with the cyan layer coating solution having the composition below, and the dry coating amount is 0.6 g / m 2.
  • a cyan ink ribbon was produced in the same manner as the metallic ribbon, except that it was applied to m 2 .
  • the dry coating amount of the release layer forming coating solution is 0.30 g / m 2 and the metallic gloss layer coating solution is replaced with a magenta layer coating solution having the composition described below, and the dry coating amount is 0.6 g / m 2. except for coating the fabric such that m 2, similarly to the metallic ribbon, to prepare a magenta ink ribbon.
  • the dry coating amount of the release layer forming coating solution is 0.30 g / m 2
  • the metallic gloss layer coating solution is replaced with the yellow layer coating solution having the composition below, and the dry coating amount is 0.65 g / m 2.
  • a yellow ink ribbon was prepared in the same manner as the metallic ribbon D, except that it was applied to m 2 .
  • thermosetting acrylic urethane resin solution to the surface of the polyethylene terephthalate film substrate to a thickness of 1 m or less (0.3 to 0.5 m) when dried by the gravure coating method, at 170 ° C for 1 minute A release layer was formed by drying and curing.
  • a polyester attalylate ionizing radiation curable resin coating was applied to the surface of the release layer so as to have a thickness of 6 m when dried, followed by drying at 100 ° C for 30 seconds, and then A primer layer was formed on the surface so as to have a thickness of 2 ⁇ m.
  • the above coating film was subjected to an acceleration voltage of 175 K using a scanning electron beam irradiator.
  • the overcoat layer was cured by irradiation with an electron beam under the conditions of V, beam current 36 mA, and irradiation dose lOMrad.
  • an acrylic resin was gravure coated on the surface so as to have a thickness of 1 ⁇ m when dried, an adhesive layer was formed, and dried at 100 ° C for 1 minute to obtain an intermediate transfer recording medium.
  • Thermal head KCE-162-24PAG6 (manufactured by Kyocera), average resistance (3606 ⁇ ), head pressure (4kg ⁇ ; 1 Okg), resolution (600dpi)
  • a metallic gloss image is formed on the entire surface of the PC film by the first thermal transfer, and there are portions that do not partially overlap the metallic gloss image by the second thermal transfer.
  • a circular metallic gloss pattern was formed.
  • a part of the PC film is obtained by the first thermal transfer.
  • a star-patterned gray image was formed.
  • a second thermal transfer was performed using the obtained metallic ribbon, and a metallic gloss image was formed on the entire surface of the PC film so as to cover the star pattern.
  • magenta ink ribbon and yellow ink ribbon overprinting was performed on a part of the PC film by the first thermal transfer to form a red star pattern.
  • a second thermal transfer was performed using the obtained metallic ribbon, and a metallic gloss image was formed on the entire surface of the PC film so as to cover the star pattern.
  • the resulting cyan ink ribbon and yellow ink ribbon were used for the first thermal transfer to perform overprinting on a part of the PC film to form a green star pattern.
  • the resulting metallic ribbon was used for the second thermal transfer to form a metallic gloss image on the entire surface of the PC film so as to cover the star pattern.
  • a blue star pattern was formed by overprinting a part of the PC film by the first thermal transfer.
  • the resulting metallic ribbon was used for the second thermal transfer to form a metallic gloss image on the entire surface of the PC film so as to cover the star pattern.
  • a black layer was formed on the entire surface of the PC by thermal transfer using the obtained black ink ribbon, and then a white layer was formed on the entire black layer using the obtained white ink ribbon.
  • a metallic gloss image was formed on the entire surface of the white layer, and a circular metallic gloss pattern having a portion that did not partially overlap the metallic gloss image was formed.
  • a circular metallic image is formed on a portion of the resulting intermediate transfer recording medium by the first thermal transfer, and the metallic gloss image is covered by the second thermal transfer.
  • a metallic image was formed on the entire surface of the medium.
  • the transfer portion of the intermediate transfer recording medium was re-transferred to a PC film using a heat roller, and the substrate was peeled off to obtain an image formed product.
  • the transfer conditions at this time were a transfer temperature of 195 ° C and a transfer speed of 6 mm / s.
  • a metallic glossy image was formed on the entire surface of the PC film by the first thermal transfer using a metallic ribbon.
  • a second thermal transfer was performed using a gray ink ribbon, and a circular gray star pattern was formed on a part of the metallic gloss image.
  • Example 6 the image formed product of Example 6 in which the white ink layer and the black ink layer were provided on the base was compared with the image formed product of Example 1 in which the white ink layer and the black ink layer were not provided on the base.
  • the image was more excellent in metallic luster.
  • Example B1— 1 As the base material, dry coating amount becomes 0.25 g / m 2 by gravure coating the above coating solution for release layer on one side of PET (made by Toray) with a thickness of 4.5 m Thus, it was applied and dried to form a release layer. Furthermore, on the release layer, the metallic gloss layer coating solution used above is applied by gravure coating so that the dry coating amount is 0.8 g / m 2 and dried to form a metallic gloss layer. Then, a thermal transfer sheet of Example B1-1 was produced.
  • a heat-resistant layer coating solution having the following composition was applied to the other surface of the above-mentioned base material in advance by gravure coating, dried and applied in a dry amount of 0.25 g / m 2 and dried. A layer was formed.
  • a metallic gloss layer 2 and a metallic gloss are formed on a sheet obtained by applying a receiving layer to a transparent film as a transfer target so that the arrangement shown in Fig. 1 is obtained.
  • Layer 3 was transferred to produce an imaged product.
  • the printing conditions were the same as described above.
  • a thermal transfer sheet was prepared in the same manner as in Example B1-1 except that the dry coating amount of the metallic gloss layer of the thermal transfer sheet prepared in Example B1-1 was changed to 0.2 g / m 2. In the same manner as described above, an image formed product was produced, and the transmittance was measured in the same manner.
  • Example Bl— 4 A thermal transfer sheet was prepared in the same manner as in Example B1-1 except that the dry coating amount of the metallic gloss layer of the thermal transfer sheet prepared in Example B1-1 was changed to 0.5 g / m 2. In the same manner as described above, an image formed product was produced, and the transmittance was measured in the same manner. [0142] Example Bl— 4
  • a thermal transfer sheet was prepared in the same manner as in Example B1-1 except that the dry coating amount of the metallic gloss layer of the thermal transfer sheet prepared in Example B1-1 was changed to 1.2 g / m 2. In the same manner as described above, an image formed product was produced, and the transmittance was measured in the same manner.
  • a thermal transfer sheet was prepared in the same manner as in Example B1-1 except that the dry coating amount of the metallic gloss layer of the thermal transfer sheet prepared in Example B1-1 was changed to 1.4 g / m 2. In the same manner as described above, an image formed product was produced, and the transmittance was measured in the same manner.
  • a thermal transfer sheet was prepared in the same manner as in Example B1-1 except that the dry coating amount of the metallic gloss layer of the thermal transfer sheet prepared in Example B1-1 was changed to 1.8 g / m 2. In the same manner as described above, an image formed product was produced, and the transmittance was measured in the same manner.
  • a thermal transfer sheet was prepared in the same manner as in Example B1-1 except that the dry coating amount of the metallic gloss layer of the thermal transfer sheet prepared in Example B1-1 was changed to 2.2 g / m 2. In the same manner as described above, an image formed product was produced, and the transmittance was measured in the same manner.
  • a dry coating amount of 0.25 g / m 2 is applied to one side of a 4.5 m thick PET (Toray) by gravure coating using the same release layer coating liquid as above.
  • a release layer was formed by coating and drying.
  • the same metal as above The glossy layer coating liquid was applied by gravure coating so that the dry coating amount was 0.8 g / m 2 and dried to form a metallic glossy layer, and a thermal transfer sheet of Example B1-10 was produced.
  • the same heat-resistant layer coating solution as described above is applied to the other surface of the base material in advance by gravure coating, and dried so that the dry coating amount is 0.25 g / m 2.
  • a layer was formed.
  • a transparent transfer film 14 having a release layer, an overcoat layer and an adhesive layer as a transfer target (the release layer, the overcoat layer and the adhesive layer are not shown)
  • the metallic gloss layer 2 and the metallic gloss layer 3 are transferred so that the arrangement shown in FIG. 9 (a) is obtained, and the transfer layer transferred to the transparent transfer film is used as a final transfer target.
  • a force-bonate resin sheet 15 was re-transferred using a heat roller, and finally the transparent transfer film substrate 14 was peeled off to produce an image formed product (FIG. 9 (b)).
  • the thermal transfer conditions were the same as described above.
  • thermosetting acrylic urethane resin to the surface of polyethylene terephthalate film to a thickness of 1 m or less (0.3 to 0.5 m) when dried by gravure coating, and dry at 170 ° C for 1 minute.
  • a release layer was formed by curing.
  • a polyester atalylate ionizing radiation curable resin coating was applied to the surface of the release layer to a thickness of 6 m when dried, dried at 100 ° C for 30 seconds, and then a primer layer was further applied to the surface. It was formed to a thickness of 2 m.
  • the coated film was irradiated with an electron beam at an acceleration voltage of 175 KV, a beam current of 36 mA, and an irradiation dose of lOMrad to cure the hard coat layer.
  • an acrylic resin was gravure coated to a thickness of 1 ⁇ m on the surface to form an adhesive layer, and dried at 100 ° C for 1 minute to obtain a transparent transfer film.
  • a thermal transfer sheet was prepared in the same manner as in Example B1-1 except that the dry coating amount of the metallic gloss layer of the thermal transfer sheet prepared in Example B1-1 was changed to 0.1 lg / m 2. In the same manner as described above, an image formed product was produced, and the transmittance was measured in the same manner.
  • Table 3 shows the measurement results of the transmittances of the image formed products obtained in Examples B1— ;! to B1-10 and Comparative Examples B1 and B2.
  • Examples B1— ;! to B1— The image formed product obtained in B-10 is! /, And the transmittance is; under the condition that the transferred metallic luster layer is one layer! ;! ⁇ 87%, and the difference in transmittance between the first transfer part and the two-rotation transfer part of the metallic gloss layer is 10% or more, and both the transmitted light and reflected light are observed.
  • the two-time transfer part can be recognized separately, and it was excellent in design.
  • the image formed products obtained in Examples B1-1, B1-3, B1-4, B1-5, B1-6, B1-10 have the same metallic gloss layer transferred, The transmittance was in the range of 20 to 70%, the design was more excellent, and the image formed product was conspicuous.
  • Example B1-10 a thermal transfer sheet having a metallic gloss layer was used.

Abstract

La présente invention concerne un procédé de formation d'image pouvant réaliser une image brillante métallique ayant une représentation excellente et une grande force d'expression même quand l'image est observée à l'aide d'une lumière transmise et/ou d'une lumière réfléchie. Une feuille de transfert de chaleur ayant une couche de lustre métallique sur un substrat est préparée et la couche de lustre métallique de la feuille de transfert de chaleur est transférée thermiquement vers un objet de transfert, pour former de ce fait une image brillante métallique. La couche de lustre métallique de la feuille de transfert de chaleur est ainsi transférée thermiquement au moins une fois vers l'objet de transfert de sorte qu'elle puisse partiellement se superposer à lui mais sans devenir identique à la couche de lustre métallique pour former l'image brillante métallique.
PCT/JP2007/070925 2006-10-27 2007-10-26 Procédé d'enregistrement de transfert de chaleur, procédé de formation d'image et article formé par image WO2008050864A1 (fr)

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EP4039485A4 (fr) * 2019-09-30 2024-03-27 Dainippon Printing Co Ltd Combinaison d'une feuille de transfert de chaleur et d'un support de transfert intermédiaire, procédé de fabrication d'un article imprimé, et article imprimé

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