WO2019022192A1 - 熱転写受像シート、及び印画物の製造方法 - Google Patents
熱転写受像シート、及び印画物の製造方法 Download PDFInfo
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- WO2019022192A1 WO2019022192A1 PCT/JP2018/028055 JP2018028055W WO2019022192A1 WO 2019022192 A1 WO2019022192 A1 WO 2019022192A1 JP 2018028055 W JP2018028055 W JP 2018028055W WO 2019022192 A1 WO2019022192 A1 WO 2019022192A1
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- layer
- thermal transfer
- transfer image
- receiving sheet
- primer layer
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- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/52—Macromolecular coatings
- B41M5/5218—Macromolecular coatings characterised by inorganic additives, e.g. pigments, clays
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- 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
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- 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
- B41M5/426—Intermediate, backcoat, or covering layers characterised by inorganic compounds, e.g. metals, metal salts, metal complexes
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- 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
- B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
- B41M5/502—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording characterised by structural details, e.g. multilayer materials
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- 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
- B41M2205/02—Dye diffusion thermal transfer printing (D2T2)
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- 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
- B41M2205/32—Thermal receivers
Definitions
- the present invention relates to a thermal transfer image receiving sheet and a method for producing a print.
- a thermal transfer sheet having a color material layer and a thermal transfer image receiving sheet having a receptor layer are combined, energy is applied to the thermal transfer sheet, and the color material layer of the thermal transfer sheet contains
- a sublimation thermal transfer system in which a sublimation dye is transferred to a receiving layer of a thermal transfer image receiving sheet to obtain a print having a thermal transfer image (see, for example, Patent Document 1).
- Patent Document 2 a design in which reflected light is pearly and color tone can be changed.
- Sex sheets have been proposed.
- patent document 3 it is a white which has a white pigment and an adhesive as a main component on the sheet-like article which consists of wood fiber as printing paper which has unique designability, is excellent in printability, and is applicable to offset printing.
- a pearl-like coated paper has been proposed in which a pigment coating layer is provided, and on which a pearl pigment coating layer mainly comprising a pearl pigment and a water-soluble polymer adhesive is provided.
- Patent Document 4 an inkjet ink containing an aqueous binder resin, an organic solvent compatible with the binder resin, hydrophilic porous fine particles, and a pearl pigment as an ink for forming an inkjet ink receiving layer An ink for forming a receptive layer has been proposed.
- JP, 2006-182012 A Japanese Patent Application Laid-Open No. 5-8342 JP, 2009-242985, A JP 2005-1320 A
- the present invention has been made under such circumstances, and it is an object of the present invention to provide a thermal transfer image-receiving sheet capable of obtaining a print having a pearl-like design and a method of producing a print having a pearl-like design. It is a main issue.
- the present invention for solving the above-mentioned problems is characterized in that on one side of the support, one layer comprising only the receptive layer or two or more layers including the receptive layer is provided, and the receptive layer is on the outermost surface.
- a thermal transfer image receiving sheet positioned, wherein any layer constituting the thermal transfer image receiving sheet contains an inorganic pigment, and light is incident on the surface on the receiving layer side at an incident angle of 45 °.
- the acceptance angle 110 ° and 15 ° with respect to the specular reflection angle of the incident light of the light [Delta] L * is 25 or more and 50 or less.
- the layer containing the inorganic pigment contains a binder resin, and the total mass of the inorganic pigment in the layer containing the inorganic pigment is the binder resin.
- the value obtained by dividing A by B is 0.18 or more, where A is the value divided by the total mass of B, and B (unit ⁇ m) is the thickness of the layer containing the inorganic pigment. It may be the following.
- a primer layer may be provided between the support and the receiving layer, and the primer layer may contain an inorganic pigment.
- the present invention for solving the above-mentioned problems is a method for producing a print, which comprises combining the above thermal transfer image receiving sheet with a thermal transfer sheet having a coloring material layer, and transferring the thermal transfer image to the receiving layer of the thermal transfer image receiving sheet. Forming an image;
- thermo transfer image receiving sheet of the present invention According to the thermal transfer image receiving sheet of the present invention and the method for producing a print, a print having a pearl-like design can be obtained.
- the thermal transfer image receiving sheet 100 is a single layer (see FIG. 1) consisting of only the receptive layer 2 on one surface of the support 1 (upper surface in the illustrated embodiment). Or two or more layers (see FIGS. 2 to 5) including the receptive layer 2, and the receptive layer 2 has a configuration located on the outermost surface.
- 1 to 5 are schematic cross-sectional views showing an example of the thermal transfer image receiving sheet of one embodiment, and the thermal transfer image receiving sheet 100 of the present invention is not limited to the illustrated embodiment.
- the support 1 may have a multilayer structure, and in the thermal transfer image receiving sheet 100 shown in FIGS. 4 and 5, the primer layer 3 and the back layer 8 may be used. It is good also as composition which is not provided.
- the thermal transfer image receiving sheet 100 of the form shown in each of these figures may be combined appropriately.
- any of the layers constituting the thermal transfer image receiving sheet 100 contains an inorganic pigment, and as shown in FIG.
- ⁇ L * at light receiving angles of 110 ° and 15 ° with respect to the regular reflection angle of the incident light of the light is 25 or more and 50 or less.
- 6 is a schematic view showing the relationship between the incident angle, the specular reflection angle, and the light receiving angle, and in the schematic view shown in FIG. 6, light is incident at an incident angle of 45.degree. With respect to the surface of the receiving layer 2 of the thermal transfer image receiving sheet. It is incident.
- ⁇ L * at a light receiving angle of 110 ° and 15 ° with respect to the regular reflection angle of the incident light of the light may be abbreviated as ⁇ L * at a light receiving angle of 110 ° and 15 °
- the content of the inorganic pigment in the layer containing the inorganic pigment may be abbreviated as ⁇ L * at a light receiving angle of 110 ° and 15 °
- the content of the inorganic pigment in the layer containing the inorganic pigment the thickness of the layer containing the inorganic pigment, etc.
- the thermal transfer image receiving sheet 100 of one embodiment in which ⁇ L * at light receiving angles of 110 ° and 15 ° is 25 or more and 50 or less is in a layer containing an inorganic pigment (for example, a primer layer or receiving layer described later)
- a layer containing an inorganic pigment for example, a primer layer or receiving layer described later
- both the receptive layer 2 and the layers other than the receptive layer 2 contain an inorganic pigment.
- the thermal transfer image-receiving sheet 100 of one embodiment has the receiving layer 2 at the outermost surface, and satisfies the condition that ⁇ L * at light receiving angles of 110 ° and 15 ° is 25 or more and 50 or less.
- the conditions other than the above are not particularly limited.
- thermal transfer image receiving sheet 100 of the above embodiment by setting ⁇ L * of the light receiving angles 110 ° and 15 ° to 25 or more and 50 or less, it is possible to impart flip-flop property to the surface on the receiving layer 2 side.
- pearl-like designability can be provided to the thermal transfer image-receiving sheet 100 of one embodiment.
- a print having a pearl-like design can be obtained. .
- the flip-flop property means the lightness and the angular dependency of the hue, and it depends on the lightness of the surface (the surface on the receiving layer 2 side of the thermal transfer image receiving sheet as described in the present specification) and the angle at which the hue is seen. In the case where the flip-flop property is good, it means that the degree of this change is large.
- the reason why ⁇ L * at light receiving angles of 110 ° and 15 ° is 25 or more and 50 or less is the case when ⁇ L * is less than 25 or ⁇ L * is more than 50. It is because the pearly design can not be sufficiently provided. Specifically, when ⁇ L * is less than 25, the flip-flop property of the surface on the receiving layer side is low, and a pearl-like design can not be sufficiently imparted. On the other hand, ⁇ L * is 50 In the case where the surface area on the side of the receptive layer can be imparted with flip-flop properties, the design property is not pearly but metallic.
- ⁇ L * at a light receiving angle of 110 ° and 15 ° is preferably 30 or more and 50 or less.
- the design property of pearly tone imparted to the thermal transfer image receiving sheet is further improved by enhancing the flip flop property. It can be done.
- the layer containing the inorganic pigment contains a binder resin, and the layer containing the inorganic pigment represents the total mass of the inorganic pigment in the layer.
- a value obtained by dividing “A” by “B”, where “A” is the value divided by the total mass of the binder resin in the layer, and “B” (unit: ⁇ m) is the thickness of the layer. 0.18 or more and 3.2 or less are preferable, and 0.4 or more and 2.5 or less of "/" "B" are more preferable.
- the total mass of the inorganic pigments is the total mass of the two or more inorganic pigments. It should be read as. The same applies to the total mass of the binder resin.
- any one layer may satisfy the above relationship, and it is more preferable that all the layers satisfy the above relationship .
- the pearlescent design can be further improved.
- ⁇ L * of the light receiving angles of 15 ° and 110 ° is in accordance with JIS-Z-8781-4 (2013), and L of the light receiving angle of 15 ° measured and calculated with a variable angle colorimeter. It means the absolute value of the difference between * and L * at a light receiving angle of 110 °.
- a variable angle colorimeter GC-2000 (Nippon Denshoku Kogyo Co., Ltd.) was used. The incident light is set such that L * of the regular reflection angle is 79 or more and 81 or less when light is incident on the white standard plate at an incident angle of 45 °.
- a white standard plate a 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 (view angle 2 °).
- thermal transfer image receiving sheet 100 of one embodiment will be described more specifically.
- the support 1 of the thermal transfer image receiving sheet 100 is not particularly limited as long as it can support the receiving layer 2.
- the support 1 may have a single-layer structure as shown in FIGS. 1 to 3 or may have a multi-layer structure as shown in FIGS. 4 and 5.
- the support 1 of the form shown in FIG. 4 has a laminated structure in which a base 61, an adhesive layer 62, and a film 63 are laminated in this order.
- the support 1 shown in FIG. 5 has a laminated structure in which a film 63, an adhesive layer 62, a base 61, an adhesive layer 62, and a film 63 are laminated in this order.
- the support 1 of a single layer structure the support 1 which consists of the base material 61, the support 1 which consists of the film 63, etc. can be mentioned, for example.
- Examples of the base material 61 forming the support 1 having a multilayer structure include high-quality paper, coated paper, resin-coated paper, art paper, cast-coated paper, paperboard, synthetic paper (polyolefin-based or polystyrene-based), synthetic resin or emulsion Examples include impregnated paper, synthetic rubber latex impregnated paper, synthetic resin internally added paper, cellulose fiber paper, etc., and films or sheets of various plastics such as polyolefin, polyvinyl chloride, polyethylene terephthalate, polystyrene, polymethacrylate, polycarbonate etc. it can. There is no limitation in particular about the thickness of the base material 61, Usually, they are 10 micrometers or more and 300 micrometers or less.
- RC paper STF-150, Mitsubishi Paper Industries, Ltd.
- coated paper Aurora coat, Nippon Paper Industries, Ltd.
- Examples of the film 63 forming the support 1 having a multilayer structure include polyesters with high heat resistance such as polyethylene terephthalate and polyethylene naphthalate, polyolefins, polypropylenes, polycarbonates, cellulose acetates, polyethylene derivatives, plastics such as polyamides and polymethylpentenes. And a white opaque film formed by adding a white pigment and a filler to these synthetic resins, a film having microvoids inside, and the like.
- the film 63 laminated on the receiving layer 2 side is preferably a film having a void.
- voids can be generated by the following two methods. One method is to knead inorganic fine particles in a polymer, and when the compound is stretched, generate microvoids with the inorganic fine particles as a core. The other is to make a compound in which an incompatible polymer (one or more kinds) is blended with the main resin.
- these compounds When viewed microscopically, these compounds form a fine sea-island structure between polymers. When this compound is stretched, microvoids are generated due to peeling of the sea-island interface or large deformation of the polymer forming the island.
- the thickness of the microvoided film is usually 10 ⁇ m or more and 100 ⁇ m or less, preferably 20 ⁇ m or more and 50 ⁇ m or less.
- the support 1 and the receptive layer 2 between the support 1 and the receptive layer 2 (in the embodiment shown in FIG. 3, the support 1 and the primer layer 3
- a film or the like having a void can be used as the heat insulating layer 6.
- a heat insulating layer conventionally known in the field of thermal transfer image receiving sheets can be appropriately selected and used.
- an adhesive layer 62 may be provided between the base 61 and the film 63.
- the adhesive layer 62 for bonding and bonding the substrate 61 and the film 63 includes an adhesive and has an adhesive function.
- the adhesive component include urethane resin, polyolefin such as ⁇ -olefin-maleic anhydride resin, polyester, acrylic resin, epoxy resin, urea resin, melamine resin, phenol resin, vinyl acetate resin, cyanoacrylate resin and the like. be able to. Among them, reaction type of acrylic resin, modified one, and the like can be preferably used.
- the adhesive is preferably cured using a curing agent, because the adhesive strength is improved and the heat resistance is also improved.
- an isocyanate compound is generally used as a curing agent, aliphatic amines, cycloaliphatic amines, aromatic amines, acid anhydrides and the like can be used.
- the thickness of the adhesive layer 62 is usually 2 ⁇ m or more and 10 ⁇ m or less in a dry state.
- the adhesive layer is prepared by preparing a coating solution for an adhesive layer in which the adhesive exemplified above and the additive added as necessary are dispersed or dissolved in an appropriate solvent, and this coating solution is prepared by It can be applied and dried on the substrate 61.
- the substrate 61 and the film 63 may be bonded by EC sand lamination using polyethylene or the like.
- the back surface layer 8 may be provided on the surface of the support 1 opposite to the side on which the receiving layer 2 is provided.
- the back surface layer 8 is an arbitrary configuration in the thermal transfer image receiving sheet 100 of one embodiment.
- the back surface layer 8 one having a desired function can be appropriately selected and used according to the application and the like of the thermal transfer image receiving sheet 100 of one embodiment. Among them, it is preferable to use the back surface layer 8 having the transportability improvement function of the thermal transfer image receiving sheet 100, the curl prevention function, and the writing property.
- nylon filler acrylic resin as an additive material in resins such as acrylic resin, cellulose resin, polycarbonate, polyvinyl acetal, polyvinyl alcohol, polyamide, polystyrene, polyester, and halogenated polymer Fillers, organic fillers such as polyamide fillers, fluorine fillers, polyethylene wax and amino acid powders, and inorganic fillers such as silicon dioxide and metal oxides can be used.
- curing agents such as an isocyanate compound and a chelate compound, can also be used as a back surface layer.
- the thickness of the back surface layer 8 is usually 0.1 ⁇ m to 20 ⁇ m, preferably 0.5 ⁇ m to 10 ⁇ m.
- a back surface primer layer (not shown) may be provided between the support 1 and the back surface layer 8.
- the heat transfer image-receiving sheet 100 is provided with one layer consisting of only the receptive layer 2 or two or more layers including the receptive layer 2 on one side of the support 1.
- a specific description will be made by dividing into a form in which the layer 2 contains an inorganic pigment (first embodiment) and a form in which a layer different from the receiving layer 2 contains an inorganic pigment (second embodiment).
- first embodiment a form in which the layer 2 contains an inorganic pigment
- second embodiment a form in which a layer different from the receiving layer 2 contains an inorganic pigment
- the light receiving angle 110 ° with respect to the regular reflection angle of the incident light of the light is And ⁇ L * of 15 ° are 25 or more and 50 or less.
- the thermal transfer image-receiving sheet of the first embodiment has a configuration in which only the receptive layer 2 is provided on one surface of the support 1 as shown in FIG. 1 or support as shown in FIGS. 2 to 5. It exhibits a configuration in which two or more layers including a receiving layer 2 are provided on one surface of the body 1, and the receiving layer 2 contains a binder resin having dye receptivity and an inorganic pigment. .
- the thermal transfer image receiving sheet 100 of the first embodiment is on the condition that the receiving layer 2 contains an inorganic pigment, and the thermal transfer image receiving sheet 100 of each constitution shown in FIG. 2 to FIG.
- the layers other than the receptive layer 2 may contain an inorganic pigment.
- binder resin having dye receptivity examples include polyolefins such as polypropylene, halogenated resins such as polyvinyl chloride or polyvinylidene chloride, polyvinyl acetate, vinyl chloride-vinyl acetate copolymer, ethylene-vinyl acetate copolymer Or vinyl resins such as polyacrylates, polyesters such as polyethylene terephthalate or polybutylene terephthalate, polystyrenes, polyamides, copolymers of olefins such as ethylene or propylene with other vinyl polymers, polycarbonates, etc.
- the receptor layer 2 may contain one type, or two or more types as a binder resin having dye receptivity.
- the inorganic pigment when light is incident on the surface on the receiving layer 2 side of the thermal transfer image receiving sheet 100 of the first embodiment, ⁇ L * at a light receiving angle of 110 ° and 15 ° with respect to the regular reflection angle of the incident light of the light
- the inorganic pigment which can be 25 or more and 50 or less may be appropriately selected, and there is no particular limitation.
- titanium oxide coated silica mica titanium, iron oxide coated mica, iron oxide coated mica titanium, bituminous coated mica titanium, bitumen-iron oxide coated mica titanium, chromium oxide coated mica titanium, carmine coated mica titanium, Oxide coated mica such as organic pigment coated mica titanium, titanium oxide coated mica and titanium oxide coated synthetic mica; oxide coated glass powder such as titanium oxide coated glass powder and iron oxide coated glass powder; oxidation such as titanium oxide coated aluminum powder Flakes like flakes of basic lead carbonate, lead hydrogen arsenate, bismuth oxide chloride, etc .; Pearl pigments such as fish scale powder, shell fragments, pearl flakes, aluminum powder, gold powder, silver powder, copper powder, bronze powder And metal pigments such as zinc powder, stainless steel powder and nickel powder.
- a silver pearl pigment having a silver color is a preferable inorganic pigment in that the pearl-like design can be made better.
- a silver pearl pigment as the inorganic pigment, when forming a photographic image on the thermal transfer image-receiving sheet of the present disclosure, a pearl-like design can be imparted without impairing the photographic image.
- a silver pearl pigment what coated the surface, such as mica, synthetic mica, and silica, with the coating layer which comprises titanium oxide, etc. can be illustrated.
- the thickness of the covering layer is preferably 40 nm or more and 100 nm or less.
- the content of the inorganic pigment contained in the receptor layer 2 in the thermal transfer image receiving sheet 100 of the first embodiment is not particularly limited, but in consideration of the thickness of the layer containing the inorganic pigment, the light receiving angle
- the content at which ⁇ L * at 110 ° and 15 ° is 25 or more and 50 or less may be determined. The same applies to the particle size of the inorganic pigment.
- the receptor layer 2 of the thermal transfer image receiving sheet 100 of the first embodiment contains, as an example, an inorganic pigment in an amount of 5% by mass to 80% by mass with respect to the total mass of the receptor layer 2.
- the particle diameter of the inorganic pigment as an example is 1 micrometer or more and 200 micrometers or less.
- the method for producing the receptive layer 2 of the thermal transfer image receiving sheet 100 of the first embodiment there is no particular limitation on the method for producing the receptive layer 2 of the thermal transfer image receiving sheet 100 of the first embodiment, and a binder resin having dye receptivity, an inorganic pigment, an optional additive added as needed, a suitable solvent A dispersed or dissolved receiving layer coating liquid is prepared, and this coating liquid is applied onto the support 1 or any layer (for example, primer layer 3) provided on the support 1 and dried. Can be formed.
- the coating method for the receiving layer coating solution is not particularly limited, and a conventionally known coating method can be appropriately selected and used. Examples of the coating method include a gravure printing method, a screen printing method, a reverse coating method using a gravure plate, and the like. Moreover, the application method other than this can also be used. The same applies to the coating methods of various coating liquids.
- thermo transfer image receiving sheet of the second embodiment In the thermal transfer image receiving sheet of the second embodiment, as shown in FIG. 2 to FIG. 5, two or more layers including the receptor layer 2 are provided on one side of the support 1. Among the layers constituting the layer, the layers other than the receptive layer 2 contain an inorganic pigment.
- the thermal transfer image receiving sheet 100 of the second embodiment can be used to form a thermal transfer image having a high density, and the smoothness of the surface of the receiving layer 2 can be enhanced.
- the thermal transfer image receiving sheet 100 of the second embodiment is used without reducing the content of the inorganic pigment contained in the receiving layer 2 or without containing the inorganic pigment in the receiving layer 2.
- the pearl-like design can be imparted, and as a result, the content of the binder resin having dye receptivity to the total mass of the receptive layer 2 can be increased. That is, according to the thermal transfer image-receiving sheet 100 of the second embodiment in which the pearl-like design is imparted without reducing the content of the inorganic pigment contained in the receiving layer 2 or without containing the inorganic pigment in the receiving layer 2.
- By appropriately adjusting the content of the inorganic pigment contained in the receiving layer 2 it is possible to form a thermal transfer image having a high density in the receiving layer 2.
- the inorganic pigment contained in the receptive layer 2 is According to the heat transfer image-receiving sheet 100 of the second embodiment, which enables the provision of pearly design properties without reducing the content or containing the inorganic pigment in the receiving layer 2, the receiving layer 2 contains By appropriately adjusting the content of the inorganic pigment to be mixed, the inorganic pigment protruding from the surface of the receiving layer 2 can be reduced, and the smoothness of the surface of the receiving layer 2 can be enhanced.
- the receiving layer 2 in the second embodiment may be the receiving layer 2 described in the thermal transfer image receiving sheet 100 of the first embodiment, and the receiving layer 2 described in the thermal transfer image receiving sheet 100 of the first embodiment. And the receptive layer 2 from which the inorganic pigment is removed.
- the content thereof is the same as that of the receiving layer 2.
- the total amount is preferably 30% by mass or less, more preferably 10% by mass or less, and particularly preferably 5% by mass or less.
- the primer layer 3 is provided between the support 1 and the receiving layer 2, and the primer layer 3 is And a binder resin and an inorganic pigment.
- the inorganic pigment which the primer layer 3 contains there is no limitation in particular about the inorganic pigment which the primer layer 3 contains, What was illustrated as an inorganic pigment which the said receiving layer 2 contains can be selected suitably, and can be used. The same applies to the case where the layers other than the primer layer 3 contain an inorganic pigment.
- the primer layer 3 as an example contains an inorganic pigment in an amount of 5% by mass to 80% by mass with respect to the total mass of the primer layer 3. Moreover, the particle diameter of the inorganic pigment as an example is 1 micrometer or more and 200 micrometers or less.
- the binder resin which the primer layer 3 contains For example, polyurethane, an acrylic resin, polyethylene, a polypropylene, an epoxy resin, polyester etc. can be mentioned.
- the binder resin which has adhesiveness other than this can also be selected suitably, and can be used.
- the primer layer 3 may contain 1 type individually as binder resin, and may contain 2 or more types.
- the primer layer 3 may be a water-dispersed primer layer or a solvent-dispersed primer layer.
- the thickness of the primer layer 3 is not particularly limited, and is preferably 0.1 ⁇ m to 20 ⁇ m, more preferably 0.2 ⁇ m to 6 ⁇ m, and still more preferably 0.4 ⁇ m to 3 ⁇ m.
- the primer layer 3 having the above-mentioned thickness preferably contains a silver pearl pigment as an inorganic pigment.
- the primer layer 3 contains inorganic pigments other than a silver pearl pigment as an inorganic pigment, 1.2 micrometers or more and 6 micrometers or less are preferable, and, as for the thickness of the primer layer 3, 1.5 micrometers or more and 3 micrometers or less are more preferable .
- the primer layer 3 contains an inorganic pigment
- the binder resin in which the primer layer 3 contains the total mass of the inorganic pigment contained in the primer layer 3 A value obtained by dividing “A” by “B” (“A” / “B”, where “A” is the value divided by the total mass of “A” and “B” (unit ⁇ m) is the thickness of the primer layer 3) 0.2 or more and 3 or less are preferable, 0.6 or more and 3 or less are more preferable, and 0.7 or more and 2 or less are more preferable.
- the inorganic pigment contained in the primer layer when satisfying the above relationship is preferably a silver pearl pigment.
- the relationship between the content of the inorganic pigment, the content of the binder resin, and the thickness of the primer layer 3 satisfies the above relationship as the primer layer 3, and light is incident on the surface on the receiving layer 2 side at an incident angle of 45 °.
- the ⁇ L * of the light receiving angles 110 ° and 15 ° with respect to the regular reflection angle of the incident light of the second embodiment is 25 or more and 50 or less. It can be extremely good.
- the value “A” obtained by dividing the total mass of the inorganic pigment contained in the primer layer 3 by the total mass of the binder resin contained in the primer layer 3 is preferably 0.05 or more and 6 or less, 0 .4 or more and 4 or less are more preferable.
- the method of producing the primer layer there is no particular limitation on the method of producing the primer layer, and a binder resin, an inorganic pigment (in the case where the primer layer contains an inorganic pigment), and an optional additive added as needed are dispersed in a suitable solvent, Alternatively, a coating solution for the primer layer which has been dissolved is prepared, and this coating solution is coated on the support 1 or on an optional layer provided on the support 1 (the heat insulating layer 6 in the embodiment shown in FIG. 3) It can be dried and formed.
- the thermal transfer image receiving sheet 200 includes various functional layers, for example, a barrier layer (not shown) for imparting solvent resistance, etc. May be included. Also, instead of including the inorganic pigment in the receptive layer 2 or the primer layer 3 described above, or together with this, the inorganic pigment is contained in various functional layers, and ⁇ L at light receiving angles of 110 ° and 15 ° * May be 25 or more and 50 or less.
- the method for producing a print according to one embodiment comprises combining a thermal transfer image-receiving sheet 100 having a receptor layer 2 with a thermal transfer sheet having a coloring material layer to form a thermal transfer image on the receptor layer 2 using a heating device such as a thermal head. including. Then, in the method for producing a print according to the embodiment, the thermal transfer image receiving sheet 100 according to the embodiment described above is used as the thermal transfer image receiving sheet having the receiving layer 2.
- a print having a pearl-like design can be obtained using a sublimation thermal transfer system.
- a conventionally known thermal transfer sheet can be appropriately selected and used as the thermal transfer sheet having a colorant layer.
- the method for producing a print may include, for example, forming a protective layer on the receiving layer 2 after forming a thermal transfer image on the receiving layer. Also, other steps may be included.
- thermal transfer image receiving sheet according to the embodiment of the present invention will be described by citing examples and comparative examples.
- part in a sentence is a mass reference
- compounding quantity of the component which has a solid content ratio has shown the mass before converting into solid content.
- Example 1 On the surface side of a 35 ⁇ m-thick porous polyolefin film (surface-side polyolefin resin layer), a primer layer coating solution 1 having the following composition is applied by a gravure coater so that the dry thickness is 1.1 ⁇ m, The primer layer was formed by drying at 110 ° C. for 1 minute. Then, on the primer layer, coating solution 1 for the receptor layer having the following composition is applied by a gravure coater so that the thickness at the time of drying becomes 4 ⁇ m, and dried at 110 ° C. for 1 minute to form a receptor layer. Thus, a laminate in which the porous polyolefin film, the primer layer, and the receptive layer were laminated in this order was obtained.
- a coating film for an adhesive layer and the laminate obtained above was laminated such that the coating film for an adhesive layer and the polyolefin film face each other, to obtain a thermal transfer image-receiving sheet of Example 1 .
- Example 2 Coating solution 1 for primer layer of the above composition was applied by a gravure coater so that the thickness at the time of drying was 2 ⁇ m, and dried at 110 ° C. for 1 minute to form a primer layer; Similarly, a thermal transfer image-receiving sheet of Example 2 was obtained.
- Example 3 Coating solution 1 for primer layer of the above composition was applied by a gravure coater so that the thickness at the time of drying was 2.5 ⁇ m, and dried for 1 minute at 110 ° C. to form a primer layer, all of the examples The thermal transfer image-receiving sheet of Example 3 was obtained in the same manner as in 1.
- Example 4 Instead of the coating liquid 1 for primer layer, using the coating liquid 2 for primer layer of the following composition, the coating liquid 2 for primer layer is applied by a gravure coater so that the thickness at the time of drying becomes 2 ⁇ m.
- a thermal transfer image-receiving sheet of Example 4 was obtained in the same manner as in Example 1 except that the primer layer was formed by drying at 110 ° C. for 1 minute.
- Example 5 instead of the coating solution 1 for the primer layer, the coating solution 3 for the primer layer having the following composition is applied by a gravure coater so that the thickness at the time of drying becomes 2 ⁇ m, dried at 110 ° C. for 1 minute, and the primer layer A thermal transfer image-receiving sheet of Example 5 was obtained in the same manner as Example 1 except that the above was formed.
- Example 6 instead of the coating solution 1 for the primer layer, the coating solution 4 for the primer layer having the following composition is coated by a gravure coater so that the dry thickness is 2 ⁇ m, and dried at 110 ° C. for 1 minute to form the primer layer
- the thermal transfer image-receiving sheet of Example 6 was obtained in the same manner as Example 1 except that the above was formed.
- Example 7 instead of the coating solution 1 for the primer layer, the coating solution 5 for the primer layer having the following composition is applied by a gravure coater so that the dry thickness is 2 ⁇ m, dried at 110 ° C. for 1 minute, and the primer layer A thermal transfer image-receiving sheet of Example 7 was obtained in the same manner as in Example 1 except that the above was formed.
- ⁇ Coating fluid 5 for primer layer > -Urethane resin (solid content ratio 30%) 40 parts (NIPPOLAN 5199 Tosoh Corporation) Silver pearl pigment (particle diameter: 10 to 60 ⁇ m) 24 parts (Iriodin (registered trademark) 100 Silver pearl Merck Ltd.) -76 parts of methyl ethyl ketone-76 parts of toluene
- Example 8 The thermal transfer image-receiving sheet of Example 8 was obtained in the same manner as Example 1 except that the primer layer coating solution 1 was changed to the primer layer coating solution 6 having the following composition to form a primer layer.
- Example 9 instead of the coating solution 1 for the primer layer, the coating solution 6 for the primer layer having the above composition is applied by a gravure coater so that the thickness at the time of drying becomes 2 ⁇ m, dried at 110 ° C. for 1 minute, and the primer layer
- the thermal transfer image receiving sheet of Example 9 was obtained in the same manner as Example 1 except that the above was formed.
- Example 10 instead of the coating solution 1 for the primer layer, the coating solution 6 for the primer layer having the above composition is applied by a gravure coater so that the dry thickness is 2.5 ⁇ m, and dried at 110 ° C. for 1 minute.
- a thermal transfer image-receiving sheet of Example 10 was obtained in the same manner as Example 1 except that the primer layer was formed.
- Example 11 instead of the coating solution 1 for the primer layer, the coating solution 7 for the primer layer having the following composition is applied by a gravure coater so that the thickness at the time of drying becomes 2 ⁇ m, dried at 110 ° C. for 1 minute, and the primer layer
- the thermal transfer image receiving sheet of Example 11 was obtained in the same manner as Example 1 except that the above was formed.
- Example 12 The receiving layer coating solution 1 is changed to the receiving layer coating solution 2 of the following composition to form a receiving layer, and the primer layer coating solution 1 is changed to the coating of the following composition Solution 8 was applied by a gravure coater to a dry thickness of 2 ⁇ m and dried at 110 ° C. for 1 minute to form a primer layer in the same manner as in Example 1 except for the thermal transfer image reception of Example 12 I got a sheet.
- Example 13 Coating solution 1 for primer layer was applied by a gravure coater so that the thickness at the time of drying was 0.6 ⁇ m, and dried at 110 ° C. for 1 minute to form a primer layer, all like Example 1.
- the thermal transfer image-receiving sheet of Example 10 was obtained.
- Example 14 instead of the coating solution 1 for the primer layer, the coating solution 9 for the primer layer having the following composition is applied by a gravure coater so that the thickness at the time of drying is 2.5 ⁇ m, and dried at 110 ° C. for 1 minute A thermal transfer image-receiving sheet of Example 14 was obtained in the same manner as Example 1 except that the primer layer was formed.
- ⁇ Coating fluid 9 for primer layer > -Urethane resin (solid content ratio 30%) 50 parts (NIPPOLAN 5199 Tosoh Corporation) Silver pearl pigment (particle diameter: 5 to 25 ⁇ m) 6 parts (Iriodin® 123 Brite Raster Satin Merck Ltd.) -57 parts of methyl ethyl ketone-57 parts of toluene
- Example 15 instead of the coating solution 1 for primer layer, using the coating solution 10 for primer layer of the following composition, the coating solution 10 for primer layer is applied by a gravure coater so that the thickness at the time of drying becomes 2 ⁇ m.
- a thermal transfer image-receiving sheet of Example 15 was obtained in the same manner as Example 1 except that the primer layer was formed by drying at 110 ° C. for 1 minute.
- ⁇ Coating fluid 10 for primer layer > ⁇ Polyester (solid content ratio 25%) 48 parts (Vylonal (registered trademark) MD1480 Toyobo Co., Ltd.) Silver pearl pigment (particle diameter: 5 to 25 ⁇ m) 24 parts (Iriodin® 123 Brite Raster Satin Merck Ltd.) -72 parts of methyl ethyl ketone-72 parts of toluene
- Example 16 instead of the coating solution 1 for primer layer, using the coating solution 7 for primer layer of the above composition, the coating solution 7 for primer layer is applied by a gravure coater so that the thickness at the time of drying becomes 1 ⁇ m.
- a thermal transfer image-receiving sheet of Example 16 was obtained in the same manner as Example 1 except that the primer layer was formed by drying at 110 ° C. for 1 minute.
- Example 17 instead of the coating solution 1 for primer layer, using the coating solution 3 for primer layer of the above composition, the coating solution 3 for primer layer is treated with a gravure coater so that the thickness at the time of drying becomes 0.5 ⁇ m.
- the thermal transfer image-receiving sheet of Example 17 was obtained in the same manner as Example 1 except that the primer layer was formed by coating and drying at 110 ° C. for 1 minute.
- Example 18 instead of the coating solution 1 for primer layer, using the coating solution 11 for primer layer of the following composition, the coating solution 11 for primer layer is gravure-coated using a gravure coater so that the thickness at the time of drying becomes 2.5 ⁇ m.
- the thermal transfer image-receiving sheet of Example 18 was obtained in the same manner as Example 1 except that the primer layer was formed by coating and drying at 110 ° C. for 1 minute.
- Example 19 instead of the coating solution 1 for primer layer, using the coating solution 12 for primer layer of the following composition, the coating solution 12 for primer layer is applied by a gravure coater so that the thickness at the time of drying becomes 5 ⁇ m.
- a thermal transfer image-receiving sheet of Example 19 was obtained in the same manner as Example 1 except that the primer layer was formed by drying at 110 ° C. for 1 minute.
- Example 20 instead of the coating solution 1 for primer layer, using the coating solution 7 for primer layer of the above composition, the coating solution 7 for primer layer is applied by a gravure coater so that the thickness at the time of drying becomes 5 ⁇ m.
- a thermal transfer image-receiving sheet of Example 20 was obtained in the same manner as in Example 1 except that the primer layer was formed by drying at 110 ° C. for 1 minute.
- Example 21 instead of the coating solution 1 for primer layer, using the coating solution 13 for primer layer of the following composition, the coating solution 13 for primer layer is applied by a gravure coater so that the thickness at the time of drying becomes 0.3 ⁇ m.
- the thermal transfer image-receiving sheet of Example 21 was obtained in the same manner as Example 1 except that the primer layer was formed by coating and drying at 110 ° C. for 1 minute.
- ⁇ Coating fluid 13 for primer layer > -Urethane resin (solid content ratio 30%) 40 parts (NIPPOLAN 5199 Tosoh Corporation) Silver pearl pigment (particle diameter: 5 to 25 ⁇ m) 1.2 parts (Iriodin® 123 Brite Raster Satin Merck Ltd.) -Methyl ethyl ketone 32 parts-Toluene 32 parts
- Example 22 instead of the coating solution 1 for primer layer, using the coating solution 12 for primer layer of the above composition, the coating solution 12 for primer layer is treated with a gravure coater so that the thickness at the time of drying is 1.7 ⁇ m.
- the thermal transfer image-receiving sheet of Example 22 was obtained in the same manner as Example 1 except that the primer layer was formed by coating and drying at 110 ° C. for 1 minute.
- Comparative example 1 instead of the coating solution 1 for the primer layer, the coating solution 14 for the primer layer having the following composition is applied by a gravure coater so that the thickness at the time of drying becomes 2 ⁇ m, dried at 110 ° C. for 1 minute, and the primer layer A thermal transfer image receiving sheet of Comparative Example 1 was obtained in the same manner as in Example 1 except that the above was formed.
- Comparative example 2 instead of the coating solution 1 for the primer layer, the coating solution 8 for the primer layer having the above composition is applied by a gravure coater so that the dry thickness is 2 ⁇ m, and dried at 110 ° C. for 1 minute to form the primer layer.
- a thermal transfer image receiving sheet of Comparative Example 2 was obtained in the same manner as in Example 1 except that the above was formed.
- the thermal transfer image receiving sheet of the example had a light receiving angle of 15 ° and 110 °, whereas ⁇ L * of 25 ° and 110 ° was 25 or more and 50 or less, while the thermal transfer image receiving sheet of Comparative Example 1 had a light receiving angle of 15 ° and 110 °.
- [Delta] L * is above 50
- the thermal transfer image-receiving sheet of Comparative example 2 the acceptance angle 15 ° and 110 ° [Delta] L * was less than 25.
- Evaluation criteria When the reflection density of Comparative Example 2 is a reference reflection density, A: The reflection density is 0.95 or more times the reference reflection density. B: The reflection density is less than 0.95 times the reference reflection density.
- Evaluation criteria A: There is no roughness on the surface of the print.
- NG The roughness of the print appears as an image defect.
- thermal transfer image receiving sheet 1 support 2 receiving layer 3 primer layer 6 thermal insulation layer 8 back layer 61 base material 62 adhesive layer 63 film
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
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- Optics & Photonics (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Decoration By Transfer Pictures (AREA)
Abstract
Description
以下、本発明の実施の形態に係る熱転写受像シート(以下、一実施形態の熱転写受像シートと言う)について説明する。図1~図5に示すように、一実施形態の熱転写受像シート100は、支持体1の一方の面上(図示する形態では上面)に、受容層2のみからなる1つの層(図1参照)、又は、受容層2を含む2つ以上の層(図2~図5参照)が設けられ、受容層2が最表面に位置する構成を呈している。なお、図1~5は、一実施形態の熱転写受像シートの一例を示す概略断面図であり、本発明の熱転写受像シート100は、図示する形態に限定されるものではない。例えば、図2、図3に示す形態の熱転写受像シートにおいて、支持体1を多層構造としてもよく、図4、図5に示す形態の熱転写受像シート100において、プライマー層3や、裏面層8を設けない構成としてもよい。また、これら各図に示す形態の熱転写受像シート100を適宜組み合わせた構成とすることもできる。
本願明細書でいう、受光角15°と110°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15°のL*と、受光角110°のL*の差の絶対値を意味する。変角測色計としては、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°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。
熱転写受像シートの100の支持体1は、受容層2を支持することができるものであればよく特に限定はない。支持体1は、図1~図3に示すように単層構造を呈していてもよく、図4、図5に示すように多層構造を呈していてもよい。図4に示す形態の支持体1は、基材61、接着層62、フィルム63がこの順で積層された積層構造を呈している。図5に示す形態の支持体1は、フィルム63、接着層62、基材61、接着層62、フィルム63がこの順で積層された積層構造呈している。単層構造の支持体1としては、例えば、基材61からなる支持体1や、フィルム63からなる支持体1などを挙げることができる。
また、図4、図5に示すように、支持体1の受容層2が設けられている側と反対側の面に裏面層8を設けてもよい。裏面層8は、一実施形態の熱転写受像シート100における任意の構成である。
第1実施形態の熱転写受像シートは、図1に示すように、支持体1の一方の面上に、受容層2のみが設けられた構成、或いは、図2~図5に示すように、支持体1の一方の面上に、受容層2を含む2つ以上の層が設けられた構成を呈しており、受容層2は、染料受容性を有するバインダー樹脂と、無機顔料を含有している。なお、第1実施形態の熱転写受像シート100は、受容層2が無機顔料を含有していることを条件としており、図2~図5に示す各構成の熱転写受像シート100において、受容層2とともに、受容層2以外の層が、無機顔料を含有していてもよい。
第2実施形態の熱転写受像シートは、図2~図5に示すように、支持体1の一方の面上に、受容層2を含む2つ以上の層が設けられており、熱転写受像シート100を構成する層のうち、受容層2以外の層が、無機顔料を含有している。
次に、本発明の実施の形態に係る印画物の製造方法(以下、一実施形態の印画物の製造方法と言う)について説明する。一実施形態の印画物の製造方法は、受容層2を有する熱転写受像シート100、色材層を有する熱転写シートを組合せ、サーマルヘッド等の加熱デバイスを用い、受容層2に熱転写画像を形成する工程を含む。そして、一実施形態の印画物の製造方法は、受容層2を有する熱転写受像シートとして、上記で説明した一実施形態の熱転写受像シート100が用いられる。
厚み35μmの多孔質ポリオレフィンフィルム(表面側ポリオレフィン樹脂層)の表面側に、下記組成のプライマー層用塗工液1を、乾燥時の厚みが1.1μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した。次いで、プライマー層上に、下記組成の受容層用塗工液1を、乾燥時の厚みが4μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させて受容層を形成することで、多孔質ポリオレフィンフィルム、プライマー層、受容層がこの順で積層されてなる積層体を得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:5~25μm) 24部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 76部
・トルエン 76部
・塩化ビニル-酢酸ビニル共重合体 20部
(ソルバイン(登録商標)CNL 日信化学工業(株))
・エポキシアラルキル変性シリコーンオイル 0.4部
(X-22-3000T 信越化学工業(株))
・メチルエチルケトン 70部
・トルエン 70部
・多官能ポリオール 30部
(タケラック(登録商標)A-969V 三井化学(株))
・イソシアネート 10部
(タケネート(登録商標)A-5 三井化学(株))
・酢酸エチル 60部
上記組成のプライマー層用塗工液1を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例2の熱転写受像シートを得た。
上記組成のプライマー層用塗工液1を、乾燥時の厚みが2.5μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例3の熱転写受像シートを得た。
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液2を用い、当該プライマー層用塗工液2を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例4の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:5~25μm) 12部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 46部
・トルエン 46部
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液3を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例5の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:5~25μm) 6部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 31部
・トルエン 31部
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液4を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例6の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:1~15μm) 24部
(イリオジン(登録商標)111 ルチルファインサテン メルク(株))
・メチルエチルケトン 76部
・トルエン 76部
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液5を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例7の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:10~60μm) 24部
(イリオジン(登録商標)100 シルバーパール メルク(株))
・メチルエチルケトン 76部
・トルエン 76部
プライマー層用塗工液1を、下記組成のプライマー層用塗工液6に変更してプライマー層を形成した以外は、全て実施例1と同様に実施例8の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・グリーンパール顔料(粒子径:5~50μm) 24部
(カラーストリーム(登録商標)T10-02 アークティックファイア メルク(株))
・メチルエチルケトン 76部
・トルエン 76部
プライマー層用塗工液1にかえて、上記組成のプライマー層用塗工液6を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例9の熱転写受像シートを得た。
プライマー層用塗工液1にかえて、上記組成のプライマー層用塗工液6を、乾燥時の厚みが2.5μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例10の熱転写受像シートを得た。
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液7を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例11の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・グリーンパール顔料(粒子径:5~50μm) 12部
(カラーストリーム(登録商標)T10-02 アークティックファイア メルク(株))
・メチルエチルケトン 46部
・トルエン 46部
受容層用塗工液1を、下記組成の受容層用塗工液2に変更して受容層を形成し、また、プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液8を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例12の熱転写受像シートを得た。
・塩化ビニル-酢酸ビニル共重合体 6.7部
(ソルバイン(登録商標)CNL 日信化学工業(株))
・エポキシアラルキル変性シリコーンオイル 0.4部
(X-22-3000T 信越化学工業(株))
・シルバーパール顔料(粒子径:5~25μm) 13.4部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 70部
・トルエン 70部
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・酸化チタン 24部
(TCA888 (株)トーケムプロダクツ)
・メチルエチルケトン 76部
・トルエン 76部
プライマー層用塗工液1を、乾燥時の厚みが0.6μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例10の熱転写受像シートを得た。
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液9を、乾燥時の厚みが2.5μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例14の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 50部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:5~25μm) 6部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 57部
・トルエン 57部
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液10を用い、当該プライマー層用塗工液10を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例15の熱転写受像シートを得た。
・ポリエステル(固形分比率25%) 48部
(バイロナール(登録商標)MD1480 東洋紡(株))
・シルバーパール顔料(粒子径:5~25μm) 24部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 72部
・トルエン 72部
プライマー層用塗工液1にかえて、上記組成のプライマー層用塗工液7を用い、当該プライマー層用塗工液7を、乾燥時の厚みが1μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例16の熱転写受像シートを得た。
プライマー層用塗工液1にかえて、上記組成のプライマー層用塗工液3を用い、当該プライマー層用塗工液3を、乾燥時の厚みが0.5μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例17の熱転写受像シートを得た。
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液11を用い、当該プライマー層用塗工液11を、乾燥時の厚みが2.5μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例18の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 50部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:5~25μm) 45部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 102部
・トルエン 102部
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液12を用い、当該プライマー層用塗工液12を、乾燥時の厚みが5μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例19の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 20部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:5~25μm) 30部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 41部
・トルエン 41部
プライマー層用塗工液1にかえて、上記組成のプライマー層用塗工液7を用い、当該プライマー層用塗工液7を、乾燥時の厚みが5μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例20の熱転写受像シートを得た。
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液13を用い、当該プライマー層用塗工液13を、乾燥時の厚みが0.3μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例21の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・シルバーパール顔料(粒子径:5~25μm) 1.2部
(イリオジン(登録商標)123 ブライトラスターサテン メルク(株))
・メチルエチルケトン 32部
・トルエン 32部
プライマー層用塗工液1にかえて、上記組成のプライマー層用塗工液12を用い、当該プライマー層用塗工液12を、乾燥時の厚みが1.7μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に実施例22の熱転写受像シートを得た。
プライマー層用塗工液1にかえて、下記組成のプライマー層用塗工液14を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に比較例1の熱転写受像シートを得た。
・ウレタン樹脂(固形分比率30%) 40部
(NIPPOLAN 5199 東ソー(株))
・アルミ顔料 24部
・メチルエチルケトン 76部
・トルエン 76部
プライマー層用塗工液1にかえて、上記組成のプライマー層用塗工液8を、乾燥時の厚みが2μmとなるように、グラビアコーターで塗布し、110℃で1分乾燥させてプライマー層を形成した以外は、全て実施例1と同様に比較例2の熱転写受像シートを得た。
上記ΔL*の算出方法により、変角測色計(GC-2000 日本電色工業(株))にて測定算出される受光角15°のL*と、受光角110°のL*の差の絶対値に基づいて、各実施例、及び比較例の熱転写受像シートの受容層側の表面のΔL*を算出した。結果を表1に示す。なお、実施例の熱転写受像シートは、いずれも、受光角15°と110°のΔL*が25以上50以下であるのに対し、比較例1の熱転写受像シートは、受光角15°と110°のΔL*が50を超えており、比較例2の熱転写受像シートは、受光角15°と110°のΔL*が25未満であった。
各実施例、及び比較例の熱転写受像シートの受容層側の表面を目視で確認し、以下の評価基準に基づいて、パール感評価を行った。評価結果を表1に併せて示す。
A:極めて高いパール調の意匠性を有している。
B:高いパール調の意匠性を有している。
C:パール調の意匠性を有している。
NG:パール調の意匠性を有していない。
昇華型熱転写プリンタ(DS-40 大日本印刷(株))を用い、当該プリンタ専用リボン(熱転写シートとして)と、上記で得られた各実施例、及び比較例の熱転写受像シートとを組み合わせ、イエロー色材層、マゼンタ色材層、シアン色材層の順に印画を行い、ブラック画像(0/255階調画像)を形成した。形成したブラック画像の反射濃度の測定を分光測定器(i1 X-Rite社)により行い、以下の評価基準に基づいて濃度評価を行った。評価結果を表1に示す。
比較例2の反射濃度を基準反射濃度としたときに、
A:反射濃度が、基準反射濃度の0.95倍以上である。
B:反射濃度が、基準反射濃度の0.95倍未満である。
昇華型熱転写プリンタ(DS-40 大日本印刷(株))を用い、当該プリンタ専用リボン(熱転写シートとして)と、上記で得られた各実施例、及び比較例の熱転写受像シートとを組み合わせ、熱転写受像シートの受容層に、グレーベタ画像(128/255階調画像)を形成し、各実施例、及び比較例の印画物を得た。得られた印画物の表面の状態を目視で観察し、以下の評価基準に基づいて、各実施例、及び比較例の印画物のざらつき評価を行った。
A:印画物の表面にざらつきなし。
B:印画物の表面にざらつきはあるが、画像として問題ない。
NG:印画物のざらつきが画像欠陥として見える。
1…支持体
2…受容層
3…プライマー層
6…断熱層
8…裏面層
61…基材
62…接着層
63…フィルム
Claims (4)
- 支持体の一方の面上に、受容層のみからなる1つの層、又は受容層を含む2つ以上の層が設けられ、前記受容層が最表面に位置する熱転写受像シートであって、
前記熱転写受像シートを構成する何れかの層が、無機顔料を含有しており、
前記受容層側の表面に、入射角45°で光を入射したときに、当該光の入射光の正反射角に対する、受光角110°と15°のΔL*が25以上50以下である、熱転写受像シート。 - 前記無機顔料を含有している層が、バインダー樹脂を含有しており、
前記無機顔料を含有している層中における前記無機顔料の総質量を、前記バインダー樹脂の総質量で除した値をAとし、前記無機顔料を含有している層の厚みをB(単位μm)としたときに、前記Aを前記Bで除した値が0.18以上3.2以下である、請求項1に記載の熱転写受像シート。 - 前記支持体と前記受容層との間に、プライマー層が設けられており、
前記プライマー層が、無機顔料を含有している、請求項1又は2に記載の熱転写受像シート。 - 印画物の製造方法であって、
請求項1乃至3の何れか1項に記載の熱転写受像シートと、色材層を有する熱転写シートとを組み合わせ、前記熱転写受像シートの前記受容層に熱転写画像を形成する工程を含む、印画物の製造方法。
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JP2019532858A JP6725891B2 (ja) | 2017-07-28 | 2018-07-26 | 熱転写受像シート、及び印画物の製造方法 |
EP18839250.0A EP3647068B1 (en) | 2017-07-28 | 2018-07-26 | Thermal-transfer image receiving sheet, and method for producing printed matter |
ES18839250T ES2948900T3 (es) | 2017-07-28 | 2018-07-26 | Hoja de recepción de imágenes por transferencia térmica y método para producir material impreso |
KR1020197035540A KR102324023B1 (ko) | 2017-07-28 | 2018-07-26 | 열전사 수상 시트, 및 인화물의 제조 방법 |
CN201880031896.6A CN110621509B (zh) | 2017-07-28 | 2018-07-26 | 热转印图像接受片和印相物的制造方法 |
US16/634,361 US20210094335A1 (en) | 2017-07-28 | 2018-07-26 | Thermal transfer image-receiving sheet and method for producing print |
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JP (1) | JP6725891B2 (ja) |
KR (1) | KR102324023B1 (ja) |
CN (1) | CN110621509B (ja) |
ES (1) | ES2948900T3 (ja) |
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US20220402289A1 (en) * | 2019-09-30 | 2022-12-22 | Dai Nippon Printing Co., Ltd. | Thermal transfer image-receiving sheet and printed material |
CN115635786A (zh) * | 2022-09-28 | 2023-01-24 | 湖南鼎一致远科技发展有限公司 | 一种适用于热升华软标印刷的高浓度和高均匀性的铜版纸涂层 |
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EP3647068B1 (en) | 2023-06-14 |
EP3647068A1 (en) | 2020-05-06 |
CN110621509B (zh) | 2021-05-11 |
CN110621509A (zh) | 2019-12-27 |
TWI770244B (zh) | 2022-07-11 |
KR102324023B1 (ko) | 2021-11-09 |
KR20200003136A (ko) | 2020-01-08 |
TW201920810A (zh) | 2019-06-01 |
JPWO2019022192A1 (ja) | 2020-04-23 |
US20210094335A1 (en) | 2021-04-01 |
ES2948900T3 (es) | 2023-09-21 |
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EP3647068A4 (en) | 2020-09-09 |
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