WO2019151378A1 - 熱転写シート及び熱転写シートと中間転写媒体との組合せ - Google Patents
熱転写シート及び熱転写シートと中間転写媒体との組合せ Download PDFInfo
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- WO2019151378A1 WO2019151378A1 PCT/JP2019/003318 JP2019003318W WO2019151378A1 WO 2019151378 A1 WO2019151378 A1 WO 2019151378A1 JP 2019003318 W JP2019003318 W JP 2019003318W WO 2019151378 A1 WO2019151378 A1 WO 2019151378A1
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- thermal transfer
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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
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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
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38257—Contact thermal transfer or sublimation processes characterised by the use of an intermediate receptor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
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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
- B41M5/025—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet
- B41M5/035—Duplicating or marking methods; Sheet materials for use therein by transferring ink from the master sheet by sublimation or volatilisation of pre-printed design, e.g. sublistatic
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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
- B41M5/382—Contact thermal transfer or sublimation processes
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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
- B41M5/405—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 characterised by layers cured by radiation
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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
- B41M5/423—Intermediate, backcoat, or covering layers characterised by non-macromolecular compounds, e.g. waxes
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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
- B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
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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
- B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds
- B41M5/443—Silicon-containing polymers, e.g. silicones, siloxanes
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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
- B41M2205/10—Post-imaging transfer of imaged layer; transfer of the whole imaged layer
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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
- B41M2205/30—Thermal donors, e.g. thermal ribbons
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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
- B41M2205/38—Intermediate layers; Layers between substrate and imaging layer
Definitions
- the present invention relates to a thermal transfer sheet, a combination of a thermal transfer sheet and an intermediate transfer medium, a method for producing a printed matter, and a thermal transfer printer.
- a transfer layer including a receiving layer on a substrate (hereinafter referred to as a transfer layer)
- an intermediate transfer medium provided in a peelable manner is used.
- a thermal transfer image is formed on a receiving layer of the intermediate transfer medium using a thermal transfer sheet having a color material layer, and then the transfer layer including the receiving layer is placed on an arbitrary transfer target.
- the intermediate transfer medium is preferably used for a transfer material in which a color material is difficult to transfer and a high-quality image cannot be directly formed, or a transfer material that is easily fused to a color material layer during thermal transfer.
- the transfer layer of the intermediate transfer medium is required to have a function capable of accurately transferring only the transfer layer desired to be transferred onto the transfer target.
- the present situation is that the above requirements cannot be realized only by examining the transfer layer of the intermediate transfer medium.
- the present invention has been made in view of such a situation, and in the production of a printed matter, thermal transfer that makes it possible to accurately transfer only a transfer layer of an intermediate transfer medium desired to be transferred onto a transfer target.
- a thermal transfer sheet used in combination with an intermediate transfer medium, and only the transfer layer of the intermediate transfer medium desired to be transferred is accurately transferred onto the transfer target. It is a main object to provide a method for producing a printed matter and a thermal transfer printer used in the production method.
- a thermal transfer sheet according to an embodiment of the present disclosure for solving the above-described problem is a thermal transfer sheet used in combination with an intermediate transfer medium, and a block layer is provided on a base material so as to be peelable from the base material.
- the block layer is transferred onto the intermediate transfer medium, and the block layer contains carnauba wax.
- the block layer may further contain polyethylene wax and a thermoplastic elastomer.
- a thermal transfer sheet for solving the above problems is a thermal transfer sheet used in combination with an intermediate transfer medium, and a block layer is detachable from the base material on the base material.
- the block layer is transferred onto an intermediate transfer medium, and the block layer is selected from the group consisting of a cured product of an actinic ray curable resin, a cured product of a silicone resin, and a cured product of a thermoplastic resin. Contains at least one selected.
- either one or both of the dye layer and the heat seal layer may be provided on the same surface of the base material in the surface order with the block layer.
- a dye layer, a block layer, and a heat seal layer may be provided in this order on the same surface of the substrate in this order.
- a dye layer, a heat seal layer, and a block layer may be provided in the order of surface in this order on the same surface of the substrate.
- the thermal transfer sheet used for the combination is the thermal transfer sheet according to each of the above embodiments
- the intermediate transfer The medium is an intermediate transfer medium in which a transfer layer having a single layer structure including a receiving layer or a transfer layer having a laminated structure in which the receiving layer is located farthest from the support is provided on a support.
- the intermediate transfer medium used in the above combination is an intermediate transfer medium in which a release layer is provided between the support and the transfer layer, and the release layer contains silsesquioxane. Good. Further, the release layer of the intermediate transfer medium used in the above combination may further contain a urethane-modified polyester having a glass transition temperature (Tg) of 50 ° C. or lower.
- Tg glass transition temperature
- the transfer layer of the intermediate transfer medium used in the above combination has a laminated structure in which a protective layer and a receiving layer are laminated in this order from the support side, and the protective layer is a cured actinic ray curable resin. You may contain the thing.
- a method for manufacturing a printed material according to an embodiment of the present disclosure for solving the above problems is a method for manufacturing a printed material using a combination of a thermal transfer sheet and an intermediate transfer medium according to each of the above embodiments.
- a second transfer step for transferring the transfer layer of the intermediate transfer medium, wherein the second transfer step uses a block layer transferred to a part of the transfer layer as a masking member, and a transfer layer that does not overlap the block layer This is a step of transferring onto a transfer medium.
- a thermal transfer printer for solving the above-described problem is a thermal transfer printer used in the above-described method for manufacturing a printed matter, and includes an energy applying unit.
- the intermediate transfer desired to be transferred in the production of the printed matter Only the transfer layer of the medium can be accurately transferred onto the transfer target.
- the method for producing a printed matter and the thermal transfer printer of the present invention it is possible to produce a printed matter in which only the transfer layer of the intermediate transfer medium desired to be transferred is accurately transferred onto the transfer target. It becomes.
- thermo transfer sheet of one Embodiment It is a schematic sectional drawing of the thermal transfer sheet of one Embodiment. It is a schematic sectional drawing of the thermal transfer sheet of one Embodiment. It is a schematic sectional drawing of the thermal transfer sheet of one Embodiment. It is a schematic sectional drawing of the thermal transfer sheet of one Embodiment. (A), (b) is a schematic sectional drawing of the thermal transfer sheet of one Embodiment both. It is a schematic sectional drawing of the intermediate transfer medium used in combination with the thermal transfer sheet of one embodiment. It is a schematic sectional drawing of the intermediate transfer medium used in combination with the thermal transfer sheet of one embodiment. It is a schematic process drawing which shows an example of the manufacturing method of the printed matter of one Embodiment.
- FIG. 1 It is a schematic plan view of an intermediate transfer medium showing an example of a transfer region of a block layer.
- (A), (b) is a schematic plan view of the intermediate transfer medium which shows an example of the transfer area
- (A), (b) is an example of the 29 Si NMR measurement result of the release layer containing silsesquioxane.
- a thermal transfer sheet 10 according to an embodiment of the present disclosure has a configuration in which a block layer 2 is provided on one surface of a substrate 1 as shown in FIG. Presents.
- the block layer 2 is provided so as to be peelable from the substrate 1 and is a layer transferred onto a transfer layer 40 of an intermediate transfer medium 50 described later (see FIG. 8B).
- the layer is transferred onto the receiving layer 35 located on the outermost surface of the intermediate transfer medium 50.
- the block layer 2 being peelable from the base material 1 means that the surface of the block layer 2 located on the base material 1 side is a peeling interface.
- a release layer is provided and the block layer 2 is provided on this release layer, it means that the block layer 2 can be peeled from the release layer.
- FIG. 8 is a process diagram showing an example of a method for producing a printed matter using the thermal transfer sheet of one embodiment. A specific example of a method for producing a printed material will be described later.
- the intermediate transfer medium 50 and the thermal transfer sheet 10 according to the embodiment are overlapped, for example, a thermal head or the like.
- the heating member (not shown) applies energy to the back side of the thermal transfer sheet 10 (in the form shown in FIG. 8B, the upper surface of the thermal transfer sheet 10), and the energy applied region (FIG. 8B).
- the block layer 2 of the thermal transfer sheet 10 corresponding to the energy application region is transferred onto the transfer layer 40 of the intermediate transfer medium 50. In other words, the block layer 2 is transferred onto the receiving layer 35 located on the outermost surface of the transfer layer 40.
- the transfer layer 40 of the intermediate transfer medium 50 onto which the block layer 2 has been transferred and the transfer target 60 are overlaid, for example, a heating member such as a thermal head (not shown).
- a heating member such as a thermal head (not shown).
- energy is applied to the back side of the intermediate transfer medium 50 (in the form shown in FIG. 8C, the upper surface of the intermediate transfer medium 50), and the energy-applied area (see the energy application area in FIG. 8C).
- the transfer layer 40 corresponding to () is transferred to the transfer target 60.
- the block layer 2 transferred onto the transfer layer 40 of the intermediate transfer medium 50 serves as a masking member.
- the block layer 2 is transferred to a region where energy is applied.
- the thermal transfer sheet 10 is a thermal transfer sheet 10 used for transferring the block layer 2 onto the transfer layer 40 of the intermediate transfer medium 50.
- the transfer layer 40 of the intermediate transfer medium 50 is transferred onto the transfer target 60 to produce a printed material, the transfer layer 40 on the transfer target 60 in the region of the transfer layer 40 to which energy is applied.
- This is a thermal transfer sheet 10 used to transfer the block layer 2 onto the region of the transfer layer 40 where transfer to is not desired.
- the substrate 1 constituting the thermal transfer sheet 10 of one embodiment is not limited in any way, and any conventionally known one in the field of thermal transfer sheets can be appropriately selected and used. Examples include glassine paper, condenser paper, thin paper such as paraffin paper, polyethylene terephthalate, polyethylene naphthalate, polybutylene terephthalate, polyphenylene sulfide, polyether ketone or polyether sulfone and other high heat-resistant polyester, polypropylene, and polycarbonate.
- stretched plastics such as cellulose acetate, polyethylene derivatives, polyvinyl chloride, polyvinylidene chloride, polystyrene, polyamide, polyimide, polymethylpentene, or ionomer, or unstretched films.
- stacked 2 or more types of these materials can also be used.
- the thickness of the substrate 1 is not particularly limited, but is preferably 2 ⁇ m or more and 10 ⁇ m or less. Moreover, in order to improve the adhesiveness of the base material 1 and the block layer 2, the surface of the base material 1 can also be adhere
- the adhesion treatment include known resin surface modifications such as corona discharge treatment, flame treatment, ozone treatment, ultraviolet treatment, radiation treatment, surface roughening treatment, chemical treatment, plasma treatment, low temperature plasma treatment, grafting treatment, etc. Technology. Two or more of these treatments can be used in combination.
- block layer 2 of the thermal transfer sheet 10 according to an embodiment used for the above-described application will be described by taking the block layer of the first form and the block layer of the second form as an example.
- the block layer 2 of the first form contains carnauba wax. According to the first form of the block layer 2 containing carnauba wax, the block layer 2 is transferred onto the transfer layer 40 of the intermediate transfer medium 50, and an intermediate transfer including an area where the block layer 2 is transferred.
- the transfer layer 40 of the medium 50 is transferred onto the transfer target 60, only the transfer layer 40 in a region that does not overlap the block layer 2 in the transfer layer 40 to which energy is applied is transferred. 60 can be accurately transferred. In other words, it is possible to improve the foil breakability when the transfer layer 40 of the intermediate transfer medium 50 is transferred.
- the foil breakability of the transfer layer 40 referred to in the specification of the present application indicates the degree of suppression of tailing when the transfer layer is transferred onto the transfer target. If the foil breakability is good, It means that the occurrence can be sufficiently suppressed. That is, it means that only the transfer layer 40 in a region that does not overlap the block layer 2 among the transfer layer 40 corresponding to the region to which energy is applied can be transferred onto the transfer target 60. Further, the tailing referred to in the specification of the present application refers to the transfer of the region overlapping the block layer 2 in the transfer layer 40 corresponding to the region to which energy is applied when the transfer layer 40 is transferred onto the transfer target 60.
- the boundary 40 overlaps with the block layer 2 from the boundary (non-transfer area side). It means a phenomenon in which the transfer layer 40 is transferred. In other words, it means a phenomenon in which a part of the transfer layer 40 in the non-transfer area that should remain on the intermediate transfer medium 50 side is transferred to the transfer target 60 side.
- the transfer layer untransferred in this specification refers to a transfer layer that should be transferred to the transfer target 60 side from the boundary between the transfer layer in the non-transfer area and the transfer layer in the transfer area.
- 40 denotes a phenomenon in which, in a part of the range from the boundary, the toner remains on the support 31 side of the intermediate transfer medium 50 without being transferred onto the transfer medium.
- the content of carnauba wax is not particularly limited, but is preferably 30% by mass or more, and more preferably 40% by mass or more based on the total mass of the block layer 2. There is no limitation in particular about an upper limit, and it is 100 mass%.
- the block layer 2 of the 1st form may contain 1 type as a carnauba wax, and may contain 2 or more types.
- Preferred block layer 2 of the first form contains polyethylene wax and thermoplastic elastomer together with the carnauba wax. Occurrence of tailing when the transfer layer 40 of the intermediate transfer medium 50 including the region to which the block layer 2 is transferred is transferred onto the transfer target 60 by using the block layer 2 of the first preferred form. Can be suppressed more effectively.
- thermoplastic elastomer examples include styrene elastomer, olefin elastomer, urethane elastomer, polyester elastomer, polyamide elastomer, polyamide elastomer, 1,2-polybutadiene elastomer, vinyl chloride elastomer, and the like.
- styrene-butadiene rubber can be preferably used.
- the block layer 2 of the 1st form may contain 1 type as a polyethylene wax or a thermoplastic elastomer, and may contain 2 or more types.
- the block layer 2 of the first embodiment preferably contains 30% by mass or more, more preferably 40% by mass or more of polyethylene wax with respect to the total mass of the block layer 2.
- the block layer 2 of the said 1st form contains 1 mass% or more of thermoplastic elastomers with respect to the gross mass of the said block layer 2, It is more preferable to contain 5 mass% or more.
- carnauba wax is contained in the above preferred content, and that polyethylene wax and thermoplastic elastomer are contained in the above preferred content.
- the method for forming the block layer of the first form there is no particular limitation on the method for forming the block layer of the first form.
- the coating liquid can be prepared and applied and dried on the substrate 1 or an arbitrary layer provided on the substrate 1.
- the coating method for the block 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 coating method other than this can also be used. This is the same also about the coating method of the various coating liquid mentioned later.
- the thickness of the block layer 2 of the first form is not particularly limited, but is preferably 0.05 ⁇ m or more and 5 ⁇ m or less, and more preferably 0.1 ⁇ m or more and 1.5 ⁇ m or less.
- the thickness of the block layer 2 of the first form is not particularly limited, but is preferably 0.05 ⁇ m or more and 5 ⁇ m or less, and more preferably 0.1 ⁇ m or more and 1.5 ⁇ m or less.
- the block layer 2 of the 2nd form contains at least 1 sort (s) selected from the group of the hardened
- the block layer 2 is transferred onto the intermediate transfer medium 50 and the transfer layer 40 of the intermediate transfer medium 50 is transferred onto the transfer target 60.
- the transfer object 60 see FIG. 8C. Since the transfer layer 40 of the intermediate transfer medium 50 is not transferred to the portion of the transfer body 60 that is in contact with the block layer 2, the surface of the transfer body 60 that is in contact with the block layer 2 is exposed in the printed product to be manufactured. In some cases (see FIG. 8D). Therefore, when selecting the transfer object 60, no scratch marks remain when the surface is rubbed with a pointed tip such as a nail in order to maintain the appearance of the printed matter to be produced in a good state. Or what has the surface performance which is hard to remain
- the block layer that can come into contact with the transferred body has a property that does not adversely affect the surface performance that the transferred body initially has or is difficult to give.
- the block layer 2 of the 2nd form is suitable at the point which has such a property. Therefore, according to the thermal transfer sheet of the embodiment having the block layer 2 of the second mode, a printed matter that can maintain the appearance in a good state can be manufactured using the thermal transfer sheet 10.
- the block layer 2 of the 2nd form contains the hardened
- the block layer 2 of the second form is transferred onto the transfer layer 40 of the intermediate transfer medium 50, and the block layer 2
- the transfer layer 40 of the intermediate transfer medium 50 including the region where the toner has been transferred is transferred onto the transfer target 60, the region of the transfer layer 40 to which energy is applied does not overlap the block layer 2. Only the transfer layer 40 can be accurately transferred onto the transfer target 60.
- the actinic ray curable resin referred to in the present specification means a precursor or a composition before irradiation with actinic rays.
- the actinic ray in the present specification means radiation that chemically acts on the actinic ray curable resin to promote polymerization, and specifically, visible light, ultraviolet ray, X-ray, electron beam. , ⁇ ray, ⁇ ray, ⁇ ray and the like.
- the protective layer of a preferable form is demonstrated.
- the actinic ray curable resin that forms a cured product of the actinic ray curable resin has, as a polymerization component, a polymerizable unsaturated bond such as a (meth) acryloyl group and a (meth) acryloyloxy group, or an epoxy group in the molecule. It includes a composition in which a polymer, a prepolymer, an oligomer, and a monomer are appropriately mixed.
- the actinic ray curable resin contains urethane (meth) acrylate as a polymerization component, and preferably contains polyfunctional urethane (meth) acrylate.
- the polyfunctional urethane (meth) acrylate is preferably a polyfunctional urethane (meth) acrylate having 5 to 15 functional groups, and more preferably a polyfunctional urethane (meth) acrylate having 6 to 15 functional groups.
- (Meth) acrylate referred to in the present specification includes acrylate and methacrylate, (meth) acrylic acid includes acrylic acid and methacrylic acid, and (meth) acrylic ester includes acrylic ester and methacrylate ester. Including.
- the polyfunctional urethane (meth) acrylate as a polymerization component preferably has a weight average molecular weight of 400 or more and 20000 or less, more preferably 500 or more and 10,000 or less.
- a polyfunctional urethane (meth) acrylate having a weight average molecular weight in the above preferred range it is possible to improve the foil cutting property, and the desired shape is formed on the transfer layer 40 of the intermediate transfer medium.
- the block layer 2 can be transferred.
- “weight average molecular weight” means a value measured by gel permeation chromatography using polystyrene as a standard substance, and can be measured by a method according to JIS-K-7252-1 (2008).
- an actinic ray curable resin as an example includes an unsaturated bond-containing (meth) acrylate copolymer (hereinafter sometimes referred to as an unsaturated bond-containing acrylic copolymer) as a polymerization component.
- unsaturated bond-containing (meth) acrylate copolymer include polyester (meth) acrylate, epoxy (meth) acrylate, melamine (meth) acrylate, and triazine (meth) acrylate.
- the actinic ray curable resin includes (meth) acrylic acid, styrene, vinyl acetate, hydroxyethyl vinyl ether, ethylene glycol divinyl ether, pentaerythritol trivinyl ether, It may contain oligomers and / or monomers such as (meth) acrylamide, N-hydroxymethyl (meth) acrylamide, N-vinylformamide, and acrylonitrile. Moreover, the following prepolymers, oligomers and / or monomers may be included.
- prepolymer examples include adipic acid, trimellitic acid, maleic acid, phthalic acid, terephthalic acid, hymic acid, malonic acid, succinic acid, glutaric acid, itaconic acid, pyromellitic acid, fumaric acid, glutaric acid, and pimelic acid.
- Polybasic acids such as sebacic acid, dodecanoic acid, tetrahydrophthalic acid, and ethylene glycol, propylene glycol, diethylene glycol, propylene oxide, 1,4-butanediol, triethylene glycol, tetraethylene glycol, polyethylene glycol, glycerin, tri Polyester obtained by introducing (meth) acrylic acid into a polyester obtained by the combination of polyhydric alcohols such as methylolpropane, pentaerythritol, sorbitol, 1,6-hexanediol, 1,2,6-hexanetriol (Meth) acrylates, for example, epoxy (meth) acrylates in which (meth) acrylic acid is introduced into an epoxy resin such as bisphenol A, epichlorohydrin, (meth) acrylic acid, phenol novolac, epichlorohydrin, (meth) acrylic acid
- ethylene glycol, adipic acid, tolylene diisocyanate ethylene glyco
- Examples of the monomer or oligomer include 2-ethylhexyl acrylate, 2-hydroxypropyl acrylate, glycerol acrylate, tetrahydrofurfuryl acrylate, phenoxyethyl acrylate, nonylphenoxyethyl acrylate, tetrahydrofurfuryloxyethyl acrylate, tetrahydrofurfuryloxyhexanol.
- Examples thereof include monofunctional acrylic acid esters such as acrylate, 1,3-dioxane alcohol ⁇ -caprolactone adduct, 1,3-dioxolane acrylate, and the like.
- ethylene glycol diacrylate triethylene glycol diacrylate, pentaerythritol diacrylate, hydroquinone diacrylate, resorcin diacrylate, hexanediol diacrylate, neopentyl glycol diacrylate, tripropylene glycol diacrylate, hydroxypivalic acid Diacrylate of neopentyl glycol, diacrylate of neopentyl glycol adipate, diacrylate of ⁇ -caprolactone adduct of neopentyl glycol hydroxypivalate, 2- (2-hydroxy-1,1-dimethylethyl) -5-hydroxymethyl -5-ethyl-1,3-dioxane diacrylate, tricyclodecane dimethylol acrylate, tricyclodecane dimethylol acrylate dimethylo Difunctional acrylates such as diacrylate of diglycidyl ether of 1,6-hexanediol,
- cured material of actinic-light curable resin contains 30 mass% or more of hardened
- the block layer 2 of the second form may contain one kind alone or two or more kinds as a cured product of the actinic ray curable resin. Moreover, the block layer 2 of the 2nd form may contain other resin with the hardened
- the block layer 2 of the second form may contain other components together with the cured product of the actinic ray curable resin.
- other components include fillers. Improve foil breakability when transferring the block layer 2 onto the transfer layer 40 of the intermediate transfer medium 50 by incorporating the filler into the block layer 2 of the second form together with the cured product of the actinic ray curable resin. Can be made.
- fillers examples include organic fillers, inorganic fillers, and organic-inorganic hybrid fillers.
- the filler may be a powder or a sol. However, since the selectivity of the solvent when preparing the block layer coating liquid is wide, a powder filler may be used. preferable.
- the volume average particle diameter of the filler contained in the block layer 2 of the second form is preferably 1 nm to 1 ⁇ m, more preferably 1 nm to 50 nm, and even more preferably 7 nm to 25 nm.
- the “volume average particle size” means a particle size measured according to JIS-Z-8819-2 (2001), and is a particle size distribution / particle size distribution measuring device (Nanotrack particle size distribution measuring device, Nikkiso Co., Ltd.). It is a value when it measures using (Corporation).
- Examples of the organic filler in powder include acrylic particles such as non-crosslinked acrylic particles and crosslinked acrylic particles, polyamide particles, fluorine particles, polyethylene wax, and silicone particles.
- Examples of the inorganic filler in powder include metal oxide particles such as calcium carbonate particles, silica particles, and titanium oxide.
- Examples of the organic-inorganic hybrid filler include those obtained by hybridizing silica particles to an acrylic resin.
- examples of the sol filler include silica sol type and organosol type fillers. These fillers may be used alone or in combination of two or more. Among these, silica particles are preferable.
- 10 mass% or more and 60 mass% or less are preferable, as for content of the said filler with respect to the gross mass of the block layer 2 of a 2nd form, 10 mass% or more and 50 mass% or less are more preferable, and 20 mass% or more and 40 mass% or less are 20 mass% or less. Further preferred.
- the thickness of the block layer 2 of the second form is not particularly limited, but is preferably 1 ⁇ m or more and 15 ⁇ m or less, and more preferably 2 ⁇ m or more and 6 ⁇ m or less. By making the thickness of the block layer 2 of the second form within this range, the foil breakability can be further improved.
- the actinic-light curable resin and the coating liquid for block layers containing arbitrary components are prepared, This coating solution is applied to the substrate 1 and dried to form a coating film of the block layer.
- the coating film is irradiated with actinic rays, and a polymerization component such as the above-mentioned polymerizable copolymer is added. It can be formed by crosslinking and curing.
- ultraviolet irradiation devices can be used, for example, high pressure mercury lamp, low pressure mercury lamp, carbon arc, xenon arc, metal halide lamp, electrodeless ultraviolet lamp, LED, etc.
- a variety of things can be used without limitation.
- the high energy type electron beam irradiation apparatus which irradiates an electron beam with the energy of 100 keV or more and 300 keV or less, or the electron beam irradiated with the energy of 100 keV or less
- An energy type electron beam irradiation apparatus or the like can be used.
- the irradiation method may be either a scanning type or a curtain type irradiation device.
- the block layer 2 of the 2nd form contains the hardened
- the silicone resin forming the cured product of the silicone resin may be a resin having a siloxane bond as a skeleton structure, or may be a resin obtained by modifying various resins with silicone.
- An example of the silicone-modified resin is a silicone-modified acrylic resin.
- the block layer 2 of 2nd form may contain 1 type as a hardened
- curing catalysts such as a hydrosilylation addition reaction curing type curing catalyst, a condensation reaction curing type curing catalyst, and an organic peroxide can be used.
- cured material of a silicone resin contains 5 mass% or more of hardened
- This coating solution can be formed on the substrate 1 by applying and drying.
- the block layer 2 of the 2nd form as an example contains the hardened
- the thermoplastic resin that forms a cured product of the thermoplastic resin include polyester, polyacrylate ester, polyvinyl acetate, acrylic-styrene copolymer, polyurethane, polyethylene, polyolefin such as polypropylene, polystyrene, polyvinyl chloride, Examples thereof include polyether, polyamide, polyimide, polyamideimide, polycarbonate, polyacrylamide, polyvinyl chloride, polyvinyl butyral, polyvinyl acetal such as polyvinyl acetoacetal, and silicone modified products thereof.
- the block layer 2 of the 2nd form may contain 1 type as a hardened
- Examples of the curing agent for obtaining the cured product of the thermoplastic resin include an isocyanate curing agent.
- cured material of a thermoplastic resin contains 5 mass% or more of hardened
- the block layer coating liquid in which a thermoplastic resin, a curing agent, or the like is dispersed or dissolved in an appropriate solvent can be formed by applying and drying this coating solution on the substrate 1.
- the block layer 2 of the second form may contain two or more selected from the group consisting of the cured product of the actinic ray curable resin, the cured product of the silicone resin, and the cured product of the thermoplastic resin. Good. In this case, 10 mass% or more is preferable and, as for the total mass of these 2 or more types of hardened
- Adhesive layer Moreover, as shown in FIG. 2, it is good also as a structure which provided the contact bonding layer 3 on the block layer 2. As shown in FIG. According to the thermal transfer sheet 10 shown in FIG. 2, when the block layer 2 is transferred onto the receiving layer 35 of the intermediate transfer medium 50, the adhesive layer 3 provided on the block layer 2 causes the intermediate transfer medium to be transferred. The adhesion between the 50 transfer layers 40 and the block layer 2 can be improved.
- the adhesive layer 3 contains a component having adhesiveness with the transfer layer 40 of the intermediate transfer medium 50.
- the adhesive component include polyurethane, polyolefin such as ⁇ -olefin-maleic anhydride, polyester, acrylic resin, epoxy resin, urea resin, melamine resin, phenol resin, vinyl acetate, vinyl chloride-vinyl acetate copolymer Examples thereof include cyanoacrylate and cyanoacrylate.
- curing agent an isocyanate compound is generally used, but aliphatic amines, cycloaliphatic amines, aromatic amines, acid anhydrides and the like can be used.
- the method for forming the adhesive layer 3 is not particularly limited, and an adhesive layer coating solution is prepared by dispersing or dissolving a component having adhesiveness and various additives added as necessary in an appropriate solvent. This coating solution can be formed on the block layer 2 by coating and drying.
- the thickness of the adhesive layer is preferably 0.5 ⁇ m or more and 10 ⁇ m or less, and more preferably 0.8 ⁇ m or more and 2.0 ⁇ m or less.
- the dye layer 7 may be provided on the same surface of the substrate 1 in the surface order of the block layer 2.
- the thermal transfer sheet 10 shown in FIG. 3 a single thermal transfer sheet is used for forming a thermal transfer image on the transfer layer 40 of the intermediate transfer medium 50 and transferring the block layer 2 onto the transfer layer 40 of the intermediate transfer medium 50. Can be done.
- the adhesive layer 3 may be provided on the block layer 2. The same applies to the thermal transfer sheet 10 in the form shown in FIGS.
- the dye layer 7 contains a binder resin and a sublimable dye.
- the binder resin contained in the dye layer 7 is not particularly limited, and conventionally known binder resins can be appropriately selected and used in the field of the dye layer.
- the binder resin for the dye layer 7 include cellulose resins such as ethyl cellulose, hydroxyethyl cellulose, ethyl hydroxy cellulose, methyl cellulose, and cellulose acetate; vinyl resins such as polyvinyl alcohol, polyvinyl acetate, polyvinyl butyral, polyvinyl acetoacetal, and polyvinyl pyrrolidone;
- acrylic resins such as poly (meth) acrylate and poly (meth) acrylamide, polyurethane, polyamide, and polyester.
- the content of the binder resin is not particularly limited, but it is preferably 20% by mass or more based on the total mass of the dye layer 7.
- the content of the binder resin is preferably 20% by mass or more based on the total mass of the dye layer 7.
- the sublimable dye can be sufficiently retained in the dye layer 7 and, as a result, the storage stability can be improved.
- the sublimable dye contained in the dye layer 7 is not particularly limited, but a dye having a sufficient color density and not discolored by light, heat, temperature, or the like is preferable.
- dyes diarylmethane dyes, triarylmethane dyes, thiazole dyes, merocyanine dyes, pyrazolone dyes, methine dyes, indoaniline dyes, acetophenone azomethine, pyrazoloazomethine, imidazolazomethine, imidazoazomethine, pyridone azomethine Azomethine dyes, xanthene dyes, oxazine dyes, cyanostyrene dyes such as dicyanostyrene and tricyanostyrene, thiazine dyes, azine dyes, acridine dyes, benzeneazo dyes, pyridoneazo, thiophenazo, isothiazole Azo, pyrrole
- red dyes such as MSRedG (Mitsui Chemicals, Inc.), Macrolex Red Violet R (Bayer), Ceres Red 7B (Bayer), Samalon Red F3BS (Mitsubishi Chemical), Holon Brilliant Yellow 6GL (Clariant), yellow dyes such as PTY-52 (Mitsubishi Chemical Corporation), Macrolex Yellow 6G (Bayer), Kayaset (registered trademark) Blue 714 (Nippon Kayaku Co., Ltd.), Holon Brilliant Blue S- R (Clariant), MS Blue 100 (Mitsui Chemicals), C.I. I. And blue dyes such as Solvent Blue 63.
- MSRedG Mitsubishi Chemicals, Inc.
- Macrolex Red Violet R Bayer
- Ceres Red 7B Bayer
- Samalon Red F3BS Mitsubishi Chemical
- Holon Brilliant Yellow 6GL Clariant
- yellow dyes such as PTY-52 (Mitsubishi Chemical Corporation), Macrolex Yellow 6G (Bayer), Kayaset (register
- the content of the sublimable dye is preferably 50% by mass to 350% by mass and more preferably 80% by mass to 300% by mass with respect to the total mass of the binder resin.
- a dye primer layer (not shown) can be provided between the substrate 1 and the dye layer 7.
- a dye primer layer (not shown) can be provided between the substrate 1 and the dye layer 7.
- the components contained in the dye primer layer include polyester, polyvinyl pyrrolidone, polyvinyl alcohol, hydroxyethyl cellulose, polyacrylate, polyvinyl acetate, polyurethane, acrylic-styrene copolymer, polyacrylamide, polyamide, poly Examples include ether, polystyrene, polyethylene, polypropylene, polyvinyl chloride, polyvinyl acetal such as polyvinyl acetoacetal and polyvinyl butyral.
- the dye primer layer may contain colloidal inorganic pigment ultrafine particles.
- colloidal inorganic pigment ultrafine particles include silica (colloidal silica), alumina, or alumina hydrate (alumina sol, colloidal alumina, cationic aluminum oxide or hydrate, pseudoboehmite, etc.), aluminum silicate, silicic acid, and the like. Examples thereof include magnesium, magnesium carbonate, magnesium oxide, and titanium oxide.
- colloidal silica and alumina sol are preferably used.
- the size of these colloidal inorganic pigment ultrafine particles is preferably 100 nm or less, more preferably 50 nm or less in terms of primary average particle diameter.
- one dye layer is provided in the surface order with the block layer 2, but a plurality of dye layers may be provided in the surface order with the block layer 2.
- the dye layer 7 is composed of two or all of the yellow (Y), magenta (M), and cyan (C) dye layers in a frame sequential manner. It can also be set as the provided structure. Moreover, it is good also as a structure which provided these dye layers and melt layers in the surface order.
- Heat seal layer As shown in FIG. 4, it is good also as a structure which provided the heat seal layer 8 on the same surface of the base material 1 by the said block layer 2 and the surface sequential.
- the transfer of the seal layer 8 can be performed using one thermal transfer sheet.
- the heat seal layer 8 is transferred onto the transfer layer 40 of the intermediate transfer medium 50 before the transfer layer 40 is transferred onto the transfer target 60.
- the transfer body 60 and the transfer layer 40 can be adhered to each other through a heat seal layer. Thereby, the adhesiveness between the transfer target 60 and the transfer layer 40 can be improved.
- the thermal transfer sheet 10 having the form shown in FIG. 4 is suitable when the receiving layer 35 located on the outermost surface of the intermediate transfer medium 50 does not have adhesiveness.
- examples of the binder resin include an ultraviolet absorber, an acrylic resin, a vinyl chloride-vinyl acetate copolymer, an epoxy resin, a polyester, a polycarbonate, an acetal resin, a polyamide, and vinyl chloride.
- the heat seal layer 8 may contain one kind of binder resin alone, or may contain two or more kinds.
- the formation method of the heat seal layer 8 is not particularly limited, and a binder resin and an ultraviolet absorber, an antioxidant, a fluorescent brightening agent, an inorganic or organic filler component, a surfactant, a release agent, which are added as necessary.
- a heat-seal layer coating solution in which an agent or the like is dispersed or dissolved in an appropriate solvent can be formed on the substrate 1 by coating and drying.
- the thickness of the heat seal layer 7 0.5 to 10 micrometers is preferable and 0.8 to 2 micrometers is more preferable.
- release layer (Release layer) Also, a release layer (not shown) for improving the transferability of the block layer 2 and the heat seal layer 8 between the substrate 1 and the block layer 2 and between the substrate 1 and the heat seal layer 8. ) Can also be provided.
- the release layer is a layer remaining on the substrate 1 side when the block layer 2 is transferred onto the transfer layer 40 of the intermediate transfer medium 50 or when the heat seal layer 8 is transferred onto the transfer layer 40. .
- the binder resin of the release layer for example, waxes, silicone wax, silicone resin, silicone modified resin, fluorine resin, fluorine modified resin, polyvinyl alcohol, acrylic resin, thermosetting epoxy-amino copolymer, and And thermosetting alkyd-amino copolymers (thermosetting aminoalkyd resins).
- the mold release layer may contain 1 type as binder resin, and may contain 2 or more types.
- the release layer may be formed using a composition containing a crosslinking agent such as an isocyanate compound and a catalyst such as a tin-based catalyst and an aluminum-based catalyst together with the binder resin exemplified above.
- the release layer 32 of the intermediate transfer medium 50 described later can be appropriately selected and used.
- the thickness of the release layer is generally 0.2 ⁇ m or more and 5 ⁇ m or less.
- a release layer coating solution in which the binder resin is dissolved or dispersed in an appropriate solvent is prepared, and this is applied to the substrate 1 and dried.
- FIG. 5 it can also be set as the structure which provided the dye layer 7, the heat seal layer 8, and the block layer 2 on the same surface of the base material 1 surface-sequentially.
- the order of arrangement of these layers is not particularly limited, but as shown in FIG. 5A, the dye layer 7, the block layer 2, and the heat seal layer 8 are arranged in this order on the same surface of the substrate 1. And a configuration in which the dye layer 7, the heat seal layer 8, and the block layer 2 are provided in this order in the surface order on the same surface of the substrate 1, as shown in FIG. 5B. It is preferable to do.
- a back layer (not shown) can be provided on the other surface of the substrate 1.
- cellulose resin such as cellulose acetate butyrate, cellulose acetate propionate, polyvinyl acetal such as polyvinyl butyral and polyvinyl acetoacetal, polymethyl methacrylate, polyethyl acrylate, polyacrylamide
- acrylic resin such as acrylonitrile-styrene copolymer, a single substance or a mixture of natural or synthetic resins such as polyamide, polyamideimide, polyester, polyurethane, silicone-modified or fluorine-modified urethane.
- the back layer may contain a solid or liquid lubricant.
- the lubricant include various waxes such as polyethylene wax and paraffin wax, higher aliphatic alcohols, organopolysiloxanes, anionic surfactants, cationic surfactants, amphoteric surfactants, nonionic surfactants, fluorine Surfactants, organic carboxylic acids and derivatives thereof, metal soaps, fluororesins, silicone resins, talc, fine particles of inorganic compounds such as silica, and the like.
- the mass of the lubricant with respect to the total mass of the back layer is 5% by mass or more and 50% by mass or less, preferably 10% by mass or more and 40% by mass or less.
- a resin, a lubricant added as necessary, and the like are dissolved or dispersed in an appropriate solvent to prepare a back layer coating solution, which is used as a base material. 1 can be formed by coating and drying.
- the thickness of the back layer is preferably 1 ⁇ m or more and 10 ⁇ m or less.
- the combination of the embodiment is a combination of the thermal transfer sheet 10 and the intermediate transfer medium 50, and the thermal transfer sheet is the thermal transfer sheet 10 (see FIGS. 1 to 5) of the embodiment described above.
- the medium 50 is a transfer layer 40 (see FIG. 6) having a single layer structure including a receiving layer 35 on the support 31 or a transfer layer 40 having a stacked structure in which the receiving layer 35 is located farthest from the support 31 (see FIG. 6). 7).
- the block layer 2 of the one embodiment is transferred to the transfer layer 40 of the intermediate transfer medium 50, and the transfer layer 40 of the intermediate transfer medium including the region where the block layer 2 is transferred is transferred.
- the transfer layer 40 to which energy is applied only the transfer layer 40 that does not overlap with the block layer 2 can be accurately transferred onto the transfer target 60 when transferred onto the transfer target 60.
- the block layer 2 of the above-described embodiment is transferred to the transfer layer 40 of the intermediate transfer medium 50, and the transfer layer 40 of the intermediate transfer medium including the region where the block layer 2 is transferred is transferred to the transfer target 60. It is possible to improve the foil breakability of the transfer layer when transferred onto the top. In addition, it is possible to prevent the transfer layer from being untransferred, in which all or part of the transfer layer in the region where energy is applied does not overlap the block layer 2 is not transferred onto the transfer target.
- thermal transfer sheet 10 used in the combination of one embodiment As the thermal transfer sheet 10 used in the combination of the embodiments, the thermal transfer sheet 10 of the embodiment described above may be appropriately selected and used. Therefore, the detailed description here about the thermal transfer sheet 10 used for the combination of one Embodiment is abbreviate
- an intermediate transfer medium (hereinafter referred to as an intermediate transfer medium) used in the combination of one embodiment has a configuration in which a transfer layer 40 is provided on a support 31. .
- the transfer layer 40 is configured such that only the transfer layer is peeled off from the support 31 side by application of energy.
- the transfer layer 40 may have a single-layer structure including only the receiving layer 35 as shown in FIG. 6 or a laminated structure in which a plurality of layers including the receiving layer 35 are stacked as shown in FIG. Also good.
- the intermediate transfer medium 50 of the form shown in FIG. 7 has a laminated structure in which the transfer layer 40 is laminated in this order from the support 31 side to the protective layer 36 and the receiving layer 35.
- each configuration of the intermediate transfer medium will be described.
- the support 31 holds a transfer layer 40 provided on the support 31 and a release layer 32 that is optionally provided between the support 31 and the transfer layer 40.
- the support 31 is not particularly limited, and a conventionally known support can be appropriately selected and used in the field of intermediate transfer media. Further, as the support 31, the base material described in the thermal transfer sheet 10 of the above-described embodiment can be appropriately selected and used.
- the intermediate transfer medium 50 used for the combination of one embodiment is provided with a release layer 32 that is in direct contact with the transfer layer 40 between the support 31 and the transfer layer 40.
- the release layer 32 is a layer that remains on the support 31 side when the transfer layer 40 is transferred onto the transfer target 60, and provides good release properties (sometimes referred to as transferability) to the transfer layer 40.
- the release layer 32 has an arbitrary configuration in the intermediate transfer medium used in the combination of the embodiments.
- the release layer 32 There is no particular limitation on the release layer 32.
- various waxes such as silicone wax, silicone resin, silicone-modified resin, fluorine resin, fluorine-modified resin, polyvinyl alcohol, acrylic resin, rosin resin, polyester, polyvinyl acetal, polyester polyol , Polyether polyol, urethane polyol, silsesquioxane, urethane-modified polyester (polyester urethane), and the like.
- the release layer of the thermal transfer sheet 10 according to the embodiment described above can be appropriately selected and used.
- the release layer 32 in a preferred form contains silsesquioxane. According to the release layer 32 containing silsesquioxane, the transferability of the transfer layer 40 can be improved, and the transfer layer 40 is transferred onto the transfer layer 40 using the thermal transfer sheet 10 of the above embodiment. In combination with the block layer 2, only the transfer layer 40 in a region that does not overlap the block layer 2 can be accurately transferred onto the transfer target 60 due to good foil cutting properties. Moreover, generation
- a protective layer 36 sometimes referred to as a peeling layer
- the transfer layer 40 including the protective layer 36 is provided by providing the release layer 32 containing silsesquioxane between the support 31 and the transfer layer 40, the foil breakability of the transfer layer 40. Can be improved.
- the release layer 32 containing silsesquioxane is suitable when the transfer layer 40 includes a protective layer 36 and the protective layer 32 contains a cured product of an actinic ray curable resin.
- the release layer 32 containing silsesquioxane is particularly suitable for the configuration in which the transfer layer 40 includes the tough protective layer 36.
- silsesquioxane referred to in the present specification is a siloxane compound (the following formula 1) having a main chain skeleton composed of Si—O bonds, and means a siloxane compound having 1.5 oxygen in a unit composition.
- Silsesquioxane includes those obtained by introducing various functional groups into the organic group R in the following formula 1.
- the skeleton structure of silsesquioxane includes various skeleton structures such as a random type, a cage type, and a ladder type structure, and any skeleton structure can be used. Among them, a silsesquioxane having a random type or a cage type skeleton structure is preferable, and a random type is particularly preferable.
- Whether the release layer 32 contains silsesquioxane can be specified by the following method.
- FIG. 11 (a), (b) is an example of a measurement result when the mold release layer containing silsesquioxane is measured with the said measuring method.
- the release layer 32 contains, as silsesquioxane, a reaction product of silsesquioxane having one functional group and a resin having another functional group capable of reacting with the one functional group. You may do it.
- the mold release layer 32 may contain 1 type as silsesquioxane, and may contain 2 or more types.
- the release layer 32 in a preferred form contains a reaction product of a resin having a carboxyl group and a silsesquioxane having a functional group capable of reacting with the carboxyl group. According to the release layer 32 in a preferred form, solvent resistance can be imparted to the release layer 32.
- silsesquioxane having a hydroxyl group, an amino group, or a mercapto group can be used.
- Examples of the resin having a carboxyl group include acrylic polymers.
- acrylic polymer a polymer of (meth) acrylic acid or a derivative thereof, a polymer of (meth) acrylic acid ester, or a derivative thereof, a copolymer of (meth) acrylic acid and another monomer, or the like Derivatives, copolymers of (meth) acrylic acid esters and other monomers, or derivatives thereof.
- examples of the resin having a carboxyl group include polyester, polyurethane, silicone resin, and rosin resin.
- a reaction product of silsesquioxane having one functional group and a resin having another functional group capable of reacting with the one functional group can be obtained using a reaction catalyst or the like. What is necessary is just to determine suitably as a reaction catalyst according to the functional group which silsesquioxane has, or the functional group of resin which reacts with the silsesquioxane contained as needed.
- a reaction catalyst for obtaining a reaction product containing a silsesquioxane having an epoxy group and a resin having a carboxyl group an organometallic compound (including a chelate (complex) of an organometallic compound) can be given. It is done.
- the release layer 32 in a more preferable form contains a reaction product of silsesquioxane having an epoxy group and a resin containing a carboxyl group and an acid value of 10 mgKOH / g or more. According to the release layer containing this reactant, the solvent resistance imparted to the release layer 32 can be further improved.
- the acid value referred to in the present specification means the number of milligrams of potassium hydroxide necessary to neutralize an acid component (for example, carboxyl group) contained in 1 g of the polymer, and JIS-K-2501. It can be measured by a method based on (2003). Although there is no limitation in particular about the upper limit of a preferable acid value, it is 200 mgKOH / g as an example.
- the mass of the silsesquioxane having an epoxy group as an example of the reaction product is as follows. It is 10 mass% or more and 95 mass% or less, and the mass of resin which has a carboxyl group is 5 mass% or more and 90 mass% or less.
- the release layer 32 in a preferable form is composed of silsesquioxane (silsesquioxane having one functional group and another one capable of reacting with the one functional group) with respect to the total mass of the release layer 32. In a range from 75% by mass to 95% by mass, and more preferably from 80% by mass to 90% by mass.
- the release layer 32 in a more preferable form contains a urethane-modified polyester having a glass transition temperature (Tg) of 50 ° C. or lower, particularly 20 ° C. or lower, together with the silsesquioxane.
- Tg glass transition temperature
- the various effects described in the release layer 32 containing the silsesquioxane are achieved.
- the peelability of the release layer 32 can be optimized. Specifically, only when energy is applied, the transfer layer 40 provided on the release layer 32 can be transferred with good foil breakage, and the release layer 32 and the transfer layer 40 when no energy is applied. Adhesion with can be improved. Therefore, according to the release layer 32 containing the silsesquioxane and the urethane-modified polyester having a glass transition temperature (Tg) of 50 ° C. or less, unintended dropping of the transfer layer 40 can be suppressed in a state where no energy is applied. .
- the glass transition temperature (Tg) referred to in the present specification is the glass transition temperature (Tg) referred to in the present specification, which is determined by DSC (differential scanning calorimetry) in accordance with JIS-K-7121 (2012). It means temperature.
- Urethane-modified polyester can be obtained using a polyester polyol and an isocyanate compound.
- the polyester polyol means one having two or more ester bonds and two or more hydroxyl groups in the molecule.
- an isocyanate type compound For example, the adduct body of aromatic isocyanate is mentioned.
- Aromatic polyisocyanates include 2,4-toluene diisocyanate, 2,6-toluene diisocyanate, or a mixture of 2,4-toluene diisocyanate and 2,6-toluene diisocyanate, 1,5-naphthalene diisocyanate, tolidine diisocyanate, Examples include p-phenylene diisocyanate, trans-cyclohexane, 1,4-diisocyanate, xylylene diisocyanate, triphenylmethane triisocyanate, and tris (isocyanatephenyl) thiophosphate.
- 2,4-toluene diisocyanate and 2,6-toluene diisocyanate are preferable.
- a mixture of 2,4-toluene diisocyanate and 2,6-toluene diisocyanate is preferable.
- the silsesquioxane content with respect to the total mass of the release layer 32 is preferably 10% by mass or more, and more preferably 15% by mass or more. Moreover, 60 mass% or more is preferable and, as for content of the urethane modified polyester whose glass transition temperature (Tg) with respect to the total mass of the mold release layer 32 is 50 degrees C or less, 70 mass% or more is more preferable. Moreover, the mold release layer 32 may contain 1 type as a urethane modified polyester whose glass transition temperature (Tg) is 50 degrees C or less, and may contain 2 or more types.
- the thickness of the mold release layer 32 0.3 to 2 micrometer is preferable, and 0.5 to 1 micrometer is more preferable.
- the transfer layer 40 is provided on the support 31 or the release layer 32 that is optionally provided on the support 31.
- the transfer layer 40 is a layer that is transferred onto the transfer target 60 by application of energy. Note that the transfer layer 40 corresponding to the region where the block layer 2 is provided is not transferred onto the transfer target 60.
- the transfer layer 40 includes a receiving layer 35 as an essential layer, and the receiving layer 35 is located on the top of the layers constituting the transfer layer 40. In other words, the layers constituting the transfer layer 40 are located farthest from the support 31.
- the receiving layer 35 can receive a sublimable dye and contains a binder resin capable of receiving the sublimable dye.
- the binder resin include polyolefin such as polypropylene, halogenated resin such as polyvinyl chloride or polyvinylidene chloride, polyvinyl acetate, vinyl chloride-vinyl acetate copolymer, ethylene-vinyl acetate copolymer, or polyacrylic ester.
- Vinyl resin such as polyethylene terephthalate or polyester such as polybutylene terephthalate, polystyrene, polyamide, copolymer of olefin such as ethylene or propylene and other vinyl polymer, cellulose resin such as ionomer or cellulose diastase, polycarbonate, acrylic resin, Examples include polyvinyl pyrrolidone, polyvinyl alcohol, gelatin and the like.
- the receiving layer 35 may contain 1 type as a binder resin, and may contain 2 or more types. Moreover, you may contain conventionally well-known various mold release agents.
- release agents examples include solid waxes such as polyethylene wax, amide wax, and Teflon (registered trademark) powder, fluorine-based or phosphate ester-based surfactant, silicone oil, reactive silicone oil, and curing. And various modified silicone oils such as type silicone oil, and various silicone resins.
- the receiving layer 35 is a layer in contact with the transfer target 60 when the transfer layer 40 is transferred onto the transfer target 60. Therefore, when no measure is taken for adhesion to the receiving layer 35 on the transferred object 60 side, the receiving layer 35 preferably contains a component having adhesiveness. As a component which has adhesiveness, the component of the contact bonding layer demonstrated above, etc. are mentioned, for example.
- the transfer target is not imparted to the receiving layer 35.
- the adhesion between the body 60 and the transfer layer 40 can be improved. Specifically, before the transfer layer 40 is transferred onto the transfer target 60, the heat seal layer 8 of the thermal transfer sheet 10 of one embodiment is transferred onto the transfer layer 40, and the heat seal layer 8 is transferred to the transfer layer 40. Accordingly, the adhesion between the transfer target 60 and the transfer layer 40 can be improved by bringing the transfer target 60 and the transfer layer 40 into close contact with each other.
- the method for forming the receiving layer 35 is also not particularly limited.
- a coating solution for the receiving layer in which an additive such as a binder resin and a release agent added as necessary is dispersed or dissolved in an appropriate solvent.
- the coating liquid can be formed on the base material 1 or on the base material 1 by coating and drying on any layer constituting the transfer layer 40.
- 0.1 to 10 micrometer is preferable.
- the transfer layer 40 may have a laminated structure in which a protective layer 36 and a receiving layer 35 are laminated in this order from the release layer 32 side. According to the intermediate transfer medium in the form shown in FIG. 7, durability can be imparted to the printed matter obtained by transferring the transfer layer 40 onto the transfer target 60.
- the protective layer 36 is not particularly limited, and a conventionally known protective layer can be appropriately selected and used in the fields of intermediate transfer media and protective layer transfer sheets.
- the resin constituting the protective layer 36 include polyester, polystyrene, acrylic resin, polyurethane, acrylic urethane resin, a resin obtained by modifying each of these resins with silicone, a mixture of these resins, and the like.
- a preferred form of the protective layer 36 contains a cured product of an actinic ray curable resin. According to the protective layer 36 of a preferable form, high durability can be imparted to the printed matter obtained by transferring the transfer layer 40 onto the transfer target 60.
- cured material of actinic-light curable resin demonstrated with the block layer 2 of the 2nd form of the thermal transfer sheet 10 of the said one Embodiment.
- the configuration of the block layer 2 can be appropriately selected and used.
- the protective layer 36 in a more preferred form is a cured product of the actinic ray curable resin described in the block layer 2 of the second form of the thermal transfer sheet 10 of the above embodiment, and a cured product of urethane (meth) acrylate, in particular,
- the cured product of polyfunctional urethane (meth) acrylate is contained in an amount of 5% by mass to 80% by mass with respect to the total mass of the protective layer 36, particularly 10% by mass to 50% by mass. Yes.
- the protective layer 36 has (i) a polyfunctional urethane (meta) having 5 to 15 functional groups, particularly 6 to 15 functional groups.
- a cured product of acrylate (ii) polyfunctional urethane (meth) acrylate having 2 to 4 functional groups, and (meth) acrylate having 2 to 5 functional groups, or both It is preferable.
- the protective layer 36 includes (iii) a cured product of polyfunctional urethane (meth) acrylate having 5 to 15 functional groups, particularly 6 to 15 functional groups, and (iv) 2 to 4 functional groups.
- the cured product of polyfunctional urethane (meth) acrylate and the cured product of (meth) acrylate having 2 to 5 functional groups is preferable to contain any one or both of the cured product of polyfunctional urethane (meth) acrylate and the cured product of (meth) acrylate having 2 to 5 functional groups.
- the content of the component derived from (ii) a polyfunctional urethane (meth) acrylate having 2 to 4 functional groups and a (meth) acrylate having 2 to 5 functional groups is based on the total mass of the protective layer 36. 5 mass% or more and 80 mass% or less are preferable, and 10 mass% or more and 70 mass% or less are more preferable.
- the weight average molecular weights of the (meth) acrylate having 2 to 5 functional groups are preferably 200 or more and 5000 or less.
- the protective layer 36 contains a cured product of an actinic ray curable resin containing an unsaturated bond-containing acrylic copolymer
- the unsaturated bond-containing acrylic copolymer as a polymerization component has an acid value of 5 mgKOH / g to 500 mgKOH / g is preferable, and 10 mgKOH / g to 150 mgKOH / g is more preferable.
- the surface strength of the protective layer 36 can be increased.
- the acid value of the polymer can be appropriately adjusted by adjusting the ratio of monomer components constituting the polymer.
- the unsaturated bond-containing acrylic copolymer preferably has a weight average molecular weight of 3,000 to 100,000, more preferably 10,000 to 80,000.
- the protective layer 36 has higher heat resistance, chemical resistance such as chemical resistance, and physical properties such as scratch strength. Durability can be imparted.
- the gelation reaction during the preservation save of the coating liquid for protective layers for forming a protective layer can be suppressed, and the storage stability of the coating liquid for protective layers can be improved.
- the unsaturated bond-containing acrylic copolymer is preferably contained in the actinic ray curable resin in an amount of 10% by mass to 80% by mass, and more preferably 20% by mass to 70% by mass. Preferably, it is contained at 20% by mass or more and 50% by mass or less.
- an anchor layer may be provided between the support 31 and the release layer 32.
- the material for the anchor layer include polyurethane, phenol resin, and epoxy resin.
- the constitution of the dye primer layer described in the thermal transfer sheet of the one embodiment can be appropriately selected and used.
- a primer layer may be provided between the protective layer 36 and the receiving layer 35.
- the material for the primer layer include polyester, vinyl chloride-vinyl acetate copolymer, polyurethane, polyamide, epoxy resin, phenol resin, polyvinyl chloride, polyvinyl acetate, acid-modified polyolefin, ethylene and vinyl acetate, or acrylic acid. And the like, (meth) acrylic resins, polyvinyl alcohol, polyvinyl acetal, polybutadiene, rubber compounds, and the like.
- the constitution of the dye primer layer described in the thermal transfer sheet of the one embodiment can be appropriately selected and used.
- a back layer may be provided on the surface of the support 31 opposite to the surface on which the release layer 32 is provided.
- the manufacturing method according to one embodiment is a method for manufacturing a print using the combination of the above-described one embodiment, and a process of forming a thermal transfer image 70 on the transfer layer 40 of the intermediate transfer medium 50 (FIG. 8 ( a)), a first transfer step (see FIG. 8B) for transferring the block layer 2 of the thermal transfer sheet to a part of the transfer layer 40 on which the thermal transfer image 70 is formed, and on the transfer target 60
- a second transfer step see FIG.
- the manufacturing method of one embodiment it is possible to manufacture the printed material 100 in which only the transfer layer of the intermediate transfer medium desired to be transferred is accurately transferred onto the transfer target (see FIG. 8D).
- the thermal transfer sheet and intermediate transfer medium used in the manufacturing method of one embodiment the thermal transfer sheet and intermediate transfer medium described in the combination of the above one embodiment can be appropriately selected and used. Detailed description is omitted.
- This step is a step of forming a thermal transfer image 70 on the transfer layer 40 of the intermediate transfer medium 50 as shown in FIG.
- the thermal transfer image 70 may be formed by using a conventionally known thermal transfer sheet having a dye layer.
- the intermediate transfer medium having the form shown in FIG. 6 is used as the intermediate transfer medium 50, but the configuration of the intermediate transfer medium is not limited thereto.
- the thermal transfer image 70 is formed on a part of the intermediate transfer medium 50 on the transfer layer 40, in other words, a part of the receiving layer 35. 70 may be formed. That is, there is no limitation on the formation region of the thermal transfer image 70.
- the thermal transfer image 70 can be formed using, for example, a printer having a thermal head or the like.
- the block layer 2 is transferred to a part of the transfer layer 40 of the intermediate transfer medium 50.
- the transfer region of the block layer 2 is not particularly limited, and as shown in the drawing, the transfer layer 40 may be transferred to a region where the thermal transfer image 70 is not formed, or on the region where the thermal transfer image 70 is formed. Or may be transferred onto both the area where the thermal transfer image 70 is not formed and the area where the thermal transfer image 70 is formed (in the form shown in FIG. 8B, thermal transfer is performed).
- One block layer 2 is transferred to a region where the image 70 is not formed). Further, one block layer 2 may be transferred so as to straddle the region where the thermal transfer image 70 is formed and the region where the thermal transfer image is not formed.
- the plurality of block layers 2 may be transferred onto the same surface of the transfer layer 40 with a predetermined interval (not shown). That is, the transfer region of the block layer 2 is not limited in any way as long as the condition with a part on the transfer layer 40 is satisfied.
- FIG. 9 is a schematic plan view of the intermediate transfer medium showing an example of the transfer area of the block layer 2, and the white areas (reference numerals A and B in the figure) have transferred the block layer 2 of the thermal transfer sheet 10. Indicates the area.
- the transfer region of the block layer 2 for example, as shown by a symbol A in FIG.
- reference numeral B in FIG. 9 in the transfer target 60 to which the transfer layer 40 is finally transferred, an area in which accessories such as an IC chip and a signature box are mounted, that is, the transfer layer 40 is transferred.
- the transfer layer 40 On the transferred object, there may be an area where the transfer layer 40 remains and causes inconvenience.
- the transfer of the block layer 2 can be performed using, for example, a printer having a thermal head, a heat roll method, or a hot stamp method.
- This step is a step of transferring the transfer layer 40 of the intermediate transfer medium 50 onto the transfer target 60.
- the transfer layer 40 of the intermediate transfer medium 50 to which the block layer 2 has been transferred and the transfer target are overlapped, and the back side of the intermediate transfer medium 50 (in the form shown in FIG. 8C, intermediate transfer is performed).
- energy is applied to the upper surface of the medium 50, and the transfer layer 40 corresponding to the region to which energy is applied (see the energy application region in FIG. 8C) is transferred to the transfer target 60.
- the block layer 2 transferred onto the transfer layer 40 of the intermediate transfer medium 50 serves as a masking member, and an area to which energy is applied as shown in FIGS. 8C and 8D.
- the transfer layer 40 corresponding to the above only the transfer layer 40 in a region that does not overlap the block layer 2 is transferred onto the transfer target 60, and the printed material 100 having the form shown in FIG. 8D can be manufactured.
- the transfer of the block layer 2 is performed using the thermal transfer sheet provided with the block layer of the 1st form described above or the 2nd form as a thermal transfer sheet, a block layer When transferring the transfer layer 40 of the intermediate transfer medium 50 to which 2 is transferred onto the transfer target 60, the transfer layer 40 corresponding to the area to which energy is applied is transferred to the area that does not overlap the block layer 2 Only the layer 40 can be accurately transferred with good foil cutting properties. Moreover, generation
- the energy application region is not particularly limited, and the energy may be applied to a region where transfer onto the transfer target 60 is desired.
- the transfer layer 40 of the intermediate transfer medium 50 can be transferred using, for example, a printer having a thermal head, a heat roll method, or a hot stamp method.
- the transfer object 60 for example, plain paper, fine paper, tracing paper, wood, polycarbonate, acrylic resin, acrylonitrile butadiene styrene (ABS) resin, polyvinyl chloride, vinyl chloride-vinyl acetate
- a resin plate such as a card or a film
- a metal plate such as aluminum, a glass plate, a ceramic plate such as earthenware, or the like
- a material having a curvature can be used as the transfer target 60.
- the second transfer step may include a step of transferring the heat seal layer onto the transfer layer 40 in advance in order to improve the adhesion between the transfer target 60 and the transfer layer 40.
- the step of transferring the heat seal layer may be performed using the heat transfer sheet of one embodiment having the heat seal layer 8, and a conventionally known heat transfer sheet having the heat seal layer is used. May be used.
- the transfer region of the heat seal layer 8 is not particularly limited, and may be transferred to the entire surface of the transfer layer 40, or may be transferred only on the transfer layer 40 in the region to which the energy is applied. Of these, it may be selectively transferred only onto the transfer layer 40 in a region that does not overlap the block layer 2 (see FIG. 10A).
- the heat seal layer 8 is transferred onto the block layer 2, the block layer is prevented from being transferred onto the transfer target 60 by the heat seal layer 8 transferred onto the block layer 2.
- the heat seal layer may be selected such that the adhesion between the heat transfer layer 2 and the heat seal layer is higher than the adhesion between the transfer target 60 and the heat seal layer 8.
- the heat seal layer 8 may be transferred onto the transfer layer 40 of the intermediate transfer medium 50, and after the heat seal layer 8 has been transferred, the block layer 2 may be transferred.
- the transfer of the heat seal layer 8 may be performed on the entire surface of the transfer layer 40 (see FIG. 10B), or may be selectively performed only in a region to which energy is applied, and energy is applied. Alternatively, it may be performed selectively only on the transfer layer 40 excluding the area where the block layer 2 is to be transferred.
- the intermediate transfer medium is between the support 31 and the transfer layer 40.
- the intermediate transfer medium provided with the release layer 32 is mainly described.
- the layer closest to the support 31 is releasable (peeling).
- the transfer layer 40 has a laminated structure of a protective layer and a receiving layer from the support 31 side, transfer from the support 31 without providing the release layer 32 by providing the protective layer with peelability
- the layer 40 can also be peeled off.
- the thermal transfer image 70 is formed on the transfer layer 40 of the intermediate transfer medium 50.
- the thermal transfer image 70 is formed in advance as the intermediate transfer medium.
- An intermediate transfer medium prepared may be used. The same applies to the thermal transfer sheet used in combination with the intermediate transfer medium and the combination of the thermal transfer sheet and the intermediate transfer medium.
- a printer according to an embodiment is a printer that is used in the combination of the thermal transfer sheet and the intermediate transfer medium and the printed material manufacturing method according to the above-described embodiment, and includes an energy application unit.
- the formation of the thermal transfer image 70 on the transfer layer 40, the transfer of the block layer 2, and the transfer layer 40 onto which the block layer 2 has been transferred, described in the manufacturing method of the above-described embodiment, are transferred to the transfer target 60. It has an energy application means (not shown) capable of performing the transfer on.
- the energy transfer means that the thermal transfer printer has may be one or plural.
- the formation of the thermal transfer image 70 on the transfer layer 40, the transfer of the block layer 2, and the transfer of the transfer layer 40 onto the transfer target 60 may be performed using one energy application unit, and each is independent. You may carry out by an energy application means.
- each component in each coating liquid composition is a mixing
- Example 1 Using a 4.5 ⁇ m thick PET (polyethylene terephthalate) film as a base material, a primer layer coating solution having the following composition was applied on one surface of the base material so that the thickness upon drying was 0.2 ⁇ m. A primer layer is formed by drying, and a yellow dye layer coating liquid, a magenta dye layer coating liquid, and a cyan dye layer coating liquid having the following composition are dried on the primer layer with a thickness of 0. It was applied and dried to 7 ⁇ m to form a dye layer in which a yellow dye layer, a magenta dye layer, and a cyan dye layer were provided in this order.
- a primer layer coating solution having the following composition was applied on one surface of the base material so that the thickness upon drying was 0.2 ⁇ m.
- a primer layer is formed by drying, and a yellow dye layer coating liquid, a magenta dye layer coating liquid, and a cyan dye layer coating liquid having the following composition are dried on the primer layer with a thickness of 0. It was applied and dried to 7
- the block layer coating solution 1 having the following composition is coated and dried so as to have a thickness of 0.5 ⁇ m in the surface order with the dye layer, and then blocked.
- the layer shown in FIG. 3 is formed by forming an adhesive layer on the block layer by applying and drying the adhesive layer coating liquid 1 having the following composition so that the thickness when dried is 1 ⁇ m.
- the thermal transfer sheet having a configuration in which the yellow dye layer, the magenta dye layer, and the cyan dye layer were arranged in this order and an adhesive layer was provided on the block layer was obtained.
- a primer layer is provided between the substrate and the yellow dye layer, magenta dye layer, and cyan dye layer.
- Disper Thread 60 3 parts ⁇ Dispers Violet 26 4 parts ⁇ Polyvinyl acetal 5 parts (ESREC (registered trademark) KS-5 Sekisui Chemical Co., Ltd.) ⁇ Toluene 50 parts ⁇ Methyl ethyl ketone 50 parts
- Block layer coating solution 1 Polyethylene wax (solid content: 35%) 4.7 parts (WE63-284 Konishi Co., Ltd.) Carnauba wax (solid content: 40%) 5.4 parts (WE95 Konishi Co., Ltd.) ⁇ Styrene butadiene rubber (solid content: 39%) 1.2 parts (LX430 Nippon Zeon Co., Ltd.) ⁇ Isopropyl alcohol 10 parts ⁇ Water 10 parts
- Example 2 In the thermal transfer sheet of Example 1, the heat seal layer coating liquid 1 having the following composition was dried on one surface of the base material so that the dye layer, the block layer, and the heat seal layer were in this order.
- a thermal transfer sheet of Example 2 was obtained in the same manner as in Example 1 except that the heat seal layer was formed by coating and drying so that the thickness at that time was 1 ⁇ m.
- the thermal transfer sheet of Example 2 has a dye layer in which a yellow dye layer, a magenta dye layer, and a cyan dye layer are arranged in this order, and an adhesive layer is provided on the block layer. Take the configuration.
- a primer layer is provided between the substrate and the yellow dye layer, magenta dye layer, and cyan dye layer.
- Example 3 The heat transfer sheet of Example 3 was obtained in the same manner as Example 2 except that the heat seal layer coating solution 1 was changed to the heat seal layer coating solution 2 having the following composition to form a heat seal layer. It was.
- Coating fluid 2 for heat seal layer ⁇ 20 parts of vinyl chloride-vinyl acetate copolymer (Solvine (registered trademark) CNL Nissin Chemical Industry Co., Ltd.) ⁇ Methyl ethyl ketone 20 parts ⁇ Toluene 20 parts
- Example 4 A thermal transfer sheet of Example 4 was obtained in the same manner as in Example 1 except that the block layer coating solution 1 was changed to the block layer coating solution 2 having the following composition to form a block layer.
- Block layer coating solution 2 Carnauba wax (solid content: 40%) 20 parts (WE95 Konishi Co., Ltd.) ⁇ Isopropyl alcohol 40 parts ⁇ Water 40 parts
- Example 5 A thermal transfer sheet of Example 5 was obtained in the same manner as in Example 1 except that the block layer coating solution 1 was changed to the block layer coating solution 3 having the following composition to form a block layer.
- Example 6 A thermal transfer sheet of Example 6 was obtained in the same manner as in Example 2 except that the block layer coating solution 1 was changed to the block layer coating solution 3 having the above composition to form a block layer.
- Example 7 The block layer coating liquid 1 is changed to the block layer coating liquid 3 having the above composition to form a block layer, and the heat sealing layer coating liquid 1 is converted to the heat sealing layer coating liquid 2 having the above composition.
- a heat transfer sheet of Example 7 was obtained in the same manner as in Example 2 except that the heat seal layer was formed by changing to
- Example 8 A thermal transfer sheet of Example 8 was obtained in the same manner as in Example 1 except that the block layer coating solution 1 was changed to the block layer coating solution 4 having the following composition to form a block layer.
- Example 9 A thermal transfer sheet of Example 9 was obtained in the same manner as in Example 2 except that the block layer coating solution 1 was changed to the block layer coating solution 4 having the above composition to form a block layer.
- Example 10 The block layer coating liquid 1 is changed to the block layer coating liquid 4 having the above composition to form a block layer, and the heat sealing layer coating liquid 1 is converted to the heat sealing layer coating liquid 2 having the above composition.
- the thermal transfer sheet of Example 10 was obtained in the same manner as in Example 2 except that the heat seal layer was formed by changing to
- Example 11 A thermal transfer sheet of Example 7 was obtained in the same manner as in Example 1 except that the block layer coating solution 1 was changed to the block layer coating solution 5 having the following composition to form a block layer.
- Block layer coating solution 5 Polyvinyl butyral 10 parts (ESREC (registered trademark) BX-1 Sekisui Chemical Co., Ltd.) Polyisocyanate curing agent 2 parts (Takenate (registered trademark) D218 Mitsui Chemicals, Inc.) ⁇ Phosphate ester 2 parts (Plysurf (registered trademark) A208S Daiichi Kogyo Seiyaku Co., Ltd.) ⁇ Methyl ethyl ketone 43 parts ⁇ Toluene 43 parts
- Example 12 A thermal transfer sheet of Example 12 was obtained in the same manner as in Example 2 except that the block layer coating solution 1 was changed to the block layer coating solution 5 having the above composition to form a block layer.
- Example 13 The block layer coating liquid 1 is changed to the block layer coating liquid 5 having the above composition to form a block layer, and the heat sealing layer coating liquid 1 is converted to the heat sealing layer coating liquid 2 having the above composition.
- a heat transfer sheet of Example 13 was obtained in the same manner as in Example 2 except that the heat seal layer was formed by changing to
- Comparative Example 1 A thermal transfer sheet of Comparative Example 1 was obtained in the same manner as in Example 1 except that the block layer coating solution 1 was changed to the block layer coating solution A having the following composition to form a block layer.
- Block layer coating solution A ⁇ 20 parts of polyethylene wax (solid content: 35%) (WE63-284 Konishi Co., Ltd.) ⁇ Isopropyl alcohol 40 parts ⁇ Water 40 parts
- Comparative Example 2 A thermal transfer sheet of Comparative Example 2 was obtained in the same manner as in Example 1 except that the block layer coating solution 1 was changed to the block layer coating solution B having the following composition to form a block layer.
- Block layer coating solution B ⁇ 20 parts of vinyl chloride-vinyl acetate copolymer (Solvine (registered trademark) CNL Nissin Chemical Industry Co., Ltd.) ⁇ Methyl ethyl ketone 20 parts ⁇ Toluene 20 parts
- Comparative Example 3 A thermal transfer sheet of Comparative Example 3 was obtained in the same manner as Example 2 except that the block layer coating solution 1 was changed to the block layer coating solution A having the above composition to form a block layer.
- Comparative Example 4 A thermal transfer sheet of Comparative Example 4 was obtained in the same manner as in Example 2 except that the block layer coating solution 1 was changed to the block layer coating solution B having the above composition to form a block layer.
- a PET film having a thickness of 16 ⁇ m was used as a support, and a release layer was formed on the support by applying and drying a release layer coating solution having the following composition so that the dry thickness was 0.5 ⁇ m.
- a protective layer was formed by applying and drying a protective layer coating solution 1 having the following composition on the release layer so that the thickness upon drying was 1 ⁇ m.
- a receiving layer coating liquid having the following composition on the protective layer so as to have a dry thickness of 1 ⁇ m to form a receiving layer, a release layer, a protective layer, An intermediate transfer medium 1 having a receiving layer laminated in this order was obtained.
- the release layer, the protective layer, and the receiving layer in the intermediate transfer medium 1 constitute a transfer layer.
- the receiving layer is formed by applying and drying the coating solution so that the thickness when dried is 1.5 ⁇ m, and the anchor layer, the release layer, the protective layer, the intermediate layer, and the receiving layer are formed on the support.
- An intermediate transfer medium 2 laminated in order was obtained.
- the protective layer, intermediate layer, and receiving layer in the intermediate transfer medium 2 constitute a transfer layer.
- the release layer coating liquid 1 is changed to a release layer coating liquid 2 having the following composition to form a release layer, and the protective layer coating liquid 1 is converted to the protective layer coating liquid having the following composition.
- the intermediate transfer medium 3 was prepared in the same manner as the intermediate transfer medium 2 except that the protective layer coating liquid was applied and dried by changing to 2 and exposed using a UV exposure device to form a protective layer. Obtained.
- the intermediate transfer medium 3 has a higher protective layer strength than the intermediate transfer media 1 and 2, and when transferring the transfer layer onto which the block layer has been transferred onto the transfer target, This is an intermediate transfer medium in which non-transfer is likely to occur.
- Image formation Using an HDP5000 (HID Goldal) printer, a 128/256 gradation gray image is formed on the receiving layer of each of the intermediate transfer media (intermediate transfer media 1 to 3) created as described above, using the thermal transfer ribbon dedicated to the printer. did.
- the size of the image forming area was 88 mm ⁇ 56 mm.
- Block layer transfer Each intermediate transfer medium on which the gray image is formed is combined with the thermal transfer sheets of the examples and comparative examples, and a 20 mm square (20 mm ⁇ 20 mm size) is formed at the center of the gray image by an HDP5000 (HID Goldal) printer.
- the block layer was transferred with the size of).
- the transfer of the block layer was performed with the standard settings of the printer.
- thermal transfer sheets of Examples 2, 3, 6, 7, 9, 10, 12, 13 and Comparative Examples 3 and 4 were selected by the HDP5000 (HID Goldal) printer as the block layer transfer area of the gray image.
- the heat seal layer was transferred.
- the transfer of the heat seal layer was performed with the standard settings of the printer.
- Transfer of transfer layer The intermediate transfer medium to which the block layer has been transferred is combined with the transfer medium created above, and energy is applied to the entire area of the intermediate transfer medium that overlaps the gray image by an HDP5000 (HID Goldal) printer.
- the transfer layer of each intermediate transfer medium to which the energy was applied was transferred onto the transfer medium, and prints of Examples and Comparative Examples were obtained.
- the transfer layer was transferred with the standard settings of the printer.
- Tailing evaluation The length of tailing in the prints of each Example and Comparative Example obtained above was measured, and tailing evaluation was performed based on the following evaluation criteria. The evaluation results are shown in Table 1.
- A The length of the tail is 1 mm or less.
- B The length of the tail is longer than 1 mm and 3 mm or less.
- A The length of the untransferred portion is 0.3 mm or less.
- B The length of the untransferred portion is longer than 0.3 mm and 1 mm or less.
- C The length of the untransferred portion is longer than 1 mm and not longer than 3 mm.
- NG The length of the untransferred portion is longer than 3 mm.
Abstract
Description
本開示の実施の形態に係る熱転写シート10(以下、一実施形態の熱転写シートと言う)は、図1に示すように、基材1の一方の面上に、ブロック層2が設けられた構成を呈している。ブロック層2は、基材1から剥離可能に設けられており、後述する中間転写媒体50の転写層40上に転写される層である(図8(b)参照)。換言すれば、中間転写媒体50の最表面に位置する受容層35上に転写される層である。なお、ブロック層2が、基材1から剥離可能であるとは、ブロック層2の基材1側に位置する面が剥離界面であることを意味し、例えば、基材1上に、任意の離型層を設け、この離型層上にブロック層2を設ける場合には、ブロック層2は、離型層から剥離可能であることを意味する。
一実施形態の熱転写シート10を構成する基材1についていかなる限定もされることはなく、熱転写シートの分野で従来公知のものを適宜選択して用いることができる。一例としては、グラシン紙、コンデンサー紙、又はパラフィン紙等の薄紙、ポリエチレンテレフタレート、ポリエチレンナフタレート、ポリブチレンテレフタレート、ポリフェニレンサルファイド、ポリエーテルケトンもしくはポリエーテルサルホン等の耐熱性の高いポリエステル、ポリプロピレン、ポリカーボネート、酢酸セルロース、ポリエチレン誘導体、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリスチレン、ポリアミド、ポリイミド、ポリメチルペンテン、又はアイオノマー等のプラスチックの延伸、又は未延伸フィルムが挙げられる。また、これらの材料を2種以上積層した複合フィルムも使用できる。
第1形態のブロック層2は、カルナバワックスを含有している。カルナバワックスを含有している第1形態のブロック層2によれば、当該ブロック層2を、中間転写媒体50の転写層40上に転写し、当該ブロック層2が転写された領域を含む中間転写媒体50の転写層40を、被転写体60上に転写するときに、エネルギーが印加された転写層40の領域のうち、当該ブロック層2と重ならない領域の転写層40のみを、被転写体60上に正確に転写できる。換言すれば、中間転写媒体50の転写層40を転写するときの箔切れ性を良好なものにできる。
第2形態のブロック層2は、活性光線硬化性樹脂の硬化物、シリコーン樹脂の硬化物、及び熱可塑性樹脂の硬化物の群の中から選択される少なくとも1種を含有している。第2形態のブロック層2においても、上記第1形態のブロック層2と同じ作用効果を奏する。
一例としての第2形態のブロック層2は、活性光線硬化性樹脂の硬化物を含有している。当該第2形態のブロック層2によれば、上記第1形態のブロック層2と同様に、第2形態のブロック層2を、中間転写媒体50の転写層40上に転写し、当該ブロック層2が転写された領域を含む中間転写媒体50の転写層40を、被転写体60上に転写するときに、エネルギーが印加された転写層40の領域のうち、当該ブロック層2と重ならない領域の転写層40のみを、被転写体60上に正確に転写できる。以下で説明する、シリコーン樹脂の硬化物や、熱可塑性樹脂の硬化物を含有する第2形態のブロック層2についても同様である。
一例としての第2形態のブロック層2は、シリコーン樹脂の硬化物を含有している。シリコーン樹脂の硬化物をなすシリコーン樹脂は、シロキサン結合を骨格構造とする樹脂であってもよく、各種の樹脂をシリコーン変性したものであってもよい。シリコーン変性樹脂としては、例えば、シリコーン変性アクリル樹脂が挙げられる。第2形態のブロック層2は、シリコーン樹脂の硬化物として、1種を含有していてもよく、2種以上を含有していてもよい。
一例としての第2形態のブロック層2は、熱可塑性樹脂の硬化物を含有している。熱可塑性樹脂の硬化物をなす熱可塑性樹脂としては、例えば、ポリエステル、ポリアクリル酸エステル、ポリ酢酸ビニル、アクリル-スチレン共重合体、ポリウレタン、ポリエチレンや、ポリプロピレン等のポリオレフィン、ポリスチレン、ポリ塩化ビニル、ポリエーテル、ポリアミド、ポリイミド、ポリアミドイミド、ポリカーボネート、ポリアクリルアミド、ポリビニルクロリド、ポリビニルブチラールや、ポリビニルアセトアセタール等のポリビニルアセタール、及びこれらのシリコーン変性物等が挙げられる。中でも、耐熱性等の点から、ポリアミドイミド又はそのシリコーン変性物等を好ましく用いることができる。第2形態のブロック層2は、熱可塑性樹脂の硬化物として、1種を含有していてもよく、2種以上を含有していてもよい。
また、図2に示すように、ブロック層2上に接着層3を設けた構成としてもよい。図2に示す形態の熱転写シート10によれば、ブロック層2を、中間転写媒体50の受容層35上に転写するときに、ブロック層2上に設けられている接着層3によって、中間転写媒体50の転写層40とブロック層2との密着性を良好なものにできる。
図3に示すように、基材1の同一面上に、上記ブロック層2と面順次に、染料層7を設けた構成としてもよい。図3に示す熱転写シート10によれば、中間転写媒体50の転写層40への熱転写画像の形成と、中間転写媒体50の転写層40上へのブロック層2の転写を1つの熱転写シートを用いて行うことができる。なお、図3に示す形態において、ブロック層2上に接着層3を設けてもよい。図4、図5に示す形態の熱転写シート10についても同様である。
また、基材1と染料層7との間に、染料プライマー層(図示しない)を設けることもできる。染料プライマー層に含まれる成分について特に限定はなく、例えば、ポリエステル、ポリビニルピロリドン、ポリビニルアルコール、ヒドロキシエチルセルロース、ポリアクリル酸エステル、ポリ酢酸ビニル、ポリウレタン、アクリル-スチレン共重合体、ポリアクリルアミド、ポリアミド、ポリエーテル、ポリスチレン、ポリエチレン、ポリプロピレン、ポリ塩化ビニル、ポリビニルアセトアセタールやポリビニルブチラール等のポリビニルアセタール等が挙げられる。
図4に示すように、基材1の同一面上に、上記ブロック層2と面順次に、ヒートシール層8を設けた構成としてもよい。
また、基材1とブロック層2との間や、基材1とヒートシール層8との間に、ブロック層2や、ヒートシール層8の転写性を向上させるための離型層(図示しない)を設けることもできる。なお、離型層は、中間転写媒体50の転写層40上にブロック層2を転写するときや、ヒートシール層8を転写層40上に転写するときに基材1側に残存する層である。
また、基材1の他方の面上に背面層(図示しない)を設けることもできる。背面層の材料について限定はなく、例えば、セルロースアセテートブチレート、セルロースアセテートプロピオネート等のセルロース樹脂、ポリビニルブチラールやポリビニルアセトアセタール等のポリビニルアセタール、ポリメタクリル酸メチル、ポリアクリル酸エチル、ポリアクリルアミド、アクリロニトリル-スチレン共重合体等のアクリル樹脂、ポリアミド、ポリアミドイミド、ポリエステル、ポリウレタン、シリコーン変性又はフッ素変性ウレタン等の天然又は合成樹脂の単体又は混合物等が挙げられる。
次に、本開示の実施の形態に係る熱転写シートと中間転写媒体の組合せ(以下、一実施形態の組合せと言う)について説明する。一実施形態の組合せは、熱転写シート10と中間転写媒体50との組合せであって、熱転写シートが、上記で説明した一実施形態の熱転写シート10(図1~図5参照)であり、中間転写媒体50が、支持体31上に、受容層35からなる単層構成の転写層40(図6参照)、又は支持体31から最も遠くに受容層35が位置する積層構成の転写層40(図7参照)が設けられた中間転写媒体である。
一実施形態の組合せに用いられる熱転写シート10としては、上記で説明した一実施形態の熱転写シート10を適宜選択して用いればよい。したがって、一実施形態の組合せに用いられる熱転写シート10についてのここでの詳細な説明は省略する。
一実施形態の組合せに用いられる中間転写媒体(以下、中間転写媒体と言う)は、図6、図7に示すように、支持体31上に、転写層40が設けられた構成を呈している。転写層40は、エネルギーの印加によって、支持体31側から転写層のみが剥離されるように構成されている。
支持体31は、当該支持体31上に設けられる転写層40や、支持体31と転写層40との間に任意に設けられる離型層32を保持する。支持体31について特に限定はなく、中間転写媒体の分野で従来公知の支持体を適宜選択して用いることができる。また、支持体31として、上記一実施形態の熱転写シート10で説明した、基材を適宜選択して用いることもできる。
また、一実施形態の組合せに用いられる中間転写媒体50は、支持体31と、転写層40との間に、転写層40と直接的に接する離型層32が設けられていることが好ましい。離型層32は、転写層40を被転写体60上に転写するときに、支持体31側に残る層であり、転写層40に良好な離型性(転写性と言う場合もある)を付与する。なお、離型層32は、一実施形態の組合せに用いられる中間転写媒体における任意の構成である。
(式中のRは、有機基である。)
29Si cross polarization(CP)/magic-angle spinning (MAS) NMR
測定条件:
装置名:BRUKER核磁気共鳴装置(NMR)AVANCEIII HD
共鳴周波数:79.51MHz
繰り返し時間:4sec.
接触時間:3msec.
試料回転数:5kHz
支持体31上、或いは、支持体31上に任意に設けられる離型層32上には、転写層40が設けられている。転写層40は、エネルギーの印加によって被転写体60上に転写される層である。なお、ブロック層2が設けられている領域に対応する転写層40は、被転写体60上には転写されない。
受容層35は、昇華性染料を受容可能となっており、当該昇華性染料を受容可能なバインダー樹脂を含有している。バインダー樹脂としては、例えば、ポリプロピレン等のポリオレフィン、ポリ塩化ビニルもしくはポリ塩化ビニリデン等のハロゲン化樹脂、ポリ酢酸ビニル、塩化ビニル-酢酸ビニル共重合体、エチレン-酢酸ビニル共重合体もしくはポリアクリル酸エステル等のビニル樹脂、ポリエチレンテレフタレートもしくはポリブチレンテレフタレート等のポリエステル、ポリスチレン、ポリアミド、エチレンもしくはプロピレン等のオレフィンと他のビニルポリマーとの共重合体、アイオノマーもしくはセルロースジアスターゼ等のセルロース樹脂、ポリカーボネート、アクリル樹脂、ポリビニルピロリドン、ポリビニルアルコール、ゼラチン等が挙げられる。受容層35は、バインダー樹脂として1種を含有していてもよく、2種以上を含有していてもよい。また、従来公知の各種離型剤を含有していてもよい。
図7に示すように、転写層40を、離型層32側から、保護層36、受容層35がこの順で積層されてなる積層構造とすることもできる。図7に示す形態の中間転写媒体によれば、被転写体60上に、転写層40を転写することで得られる印画物に耐久性を付与できる。
次に、本開示の実施の形態に係る印画物の製造方法(以下、一実施形態の製造方法と言う)について説明する。一実施形態の製造方法は、上記で説明した一実施形態の組合せを用いた印画物の製造方法であって、中間転写媒体50の転写層40上に熱転写画像70を形成する工程(図8(a)参照)と、熱転写画像70が形成された転写層40上の一部に、熱転写シートのブロック層2を転写する第1転写工程(図8(b)参照)と、被転写体60上に中間転写媒体50の転写層40を転写する第2転写工程(図8(c)参照)と、を含み、第2転写工程が、転写層40上の一部に転写されたブロック層2をマスキング部材として用い、エネルギーが印加された領域に対応する転写層40のうち、ブロック層2と重ならない領域の転写層40のみを被転写体60上に転写する工程である。
本工程は、図8(a)に示すように、中間転写媒体50の転写層40上に熱転写画像70を形成する工程である。熱転写画像70の形成は、従来公知の染料層を有する熱転写シートを用いて行ってもよく、図3、図5等に示されるブロック層2と、染料層7とが面順次に設けられた一実施形態の熱転写シート10を用いて行ってもよい。
本工程は、図8(b)に示すように、中間転写媒体50と、熱転写シート10とを重ね合せ、サーマルヘッド等の加熱部材(図示しない)により熱転写シート10の背面側(図8(b)に示す形態では、熱転写シート10の上面)にエネルギーを印加し、エネルギーが印加された領域(図8(b)のエネルギー印加領域参照)に対応する、熱転写シート10のブロック層2を、中間転写媒体50の転写層40上の一部に転写する工程である。
本工程は、被転写体60上に、中間転写媒体50の転写層40を転写する工程である。具体的には、ブロック層2が転写された中間転写媒体50の転写層40と、被転写体とを重ね合せ、中間転写媒体50の背面側(図8(c)に示す形態では、中間転写媒体50の上面)にエネルギーを印加し、エネルギーが印加された領域(図8(c)のエネルギー印加領域参照)に対応する転写層40を被転写体60に転写する工程である。このときに、中間転写媒体50の転写層40上に転写されたブロック層2は、マスキング部材としての役割を果たし、図8(c)、(d)に示すように、エネルギーが印加された領域に対応する転写層40のうち、ブロック層2と重ならない領域の転写層40のみが、被転写体60上に転写され、図8(d)に示すような形態の印画物100を製造できる。
次に、本開示の実施の形態に係る熱転写プリンタ(以下、一実施形態のプリンタと言う)について説明する。一実施形態のプリンタは、上記熱転写シートと中間転写媒体の組合せや、上記一実施形態の印画物の製造方法に用いられるプリンタであって、エネルギー印加手段を有している。
基材として厚さ4.5μmPET(ポリエチレンテレフタレート)フィルムを用い、この基材の一方の面上に、下記組成のプライマー層用塗工液を乾燥時の厚みが0.2μmになるように塗布・乾燥してプライマー層を形成し、このプライマー層上に下記組成のイエロー染料層用塗工液、マゼンタ染料層用塗工液、及びシアン染料層用塗工液を、乾燥時の厚みが0.7μmになるように塗布・乾燥して、イエロー染料層、マゼンタ染料層、シアン染料層がこの順で面順次に設けられた染料層を形成した。また、基材の一方の面であって、上記染料層と面順次に、下記組成のブロック層用塗工液1を、乾燥時の厚みが0.5μmになるように塗布・乾燥してブロック層を形成し、このブロック層上に、下記組成の接着層用塗工液1を乾燥時の厚みが1μmになるように塗布・乾燥して接着層を形成することで、図3に示す形態において、染料層を、イエロー染料層、マゼンタ染料層、シアン染料層をこの順で並べた構成とし、ブロック層上に接着層を設けた構成の熱転写シートを得た。また、基材と、イエロー染料層、マゼンタ染料層、シアン染料層との間には、プライマー層が設けられている。
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(エスレック(登録商標)KS-5 積水化学工業(株))
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実施例1の熱転写シートにおいて、染料層、ブロック層、ヒートシール層がこの順で面順次となるように、基材の一方の面上に、下記組成のヒートシール層用塗工液1を乾燥時の厚みが1μmになるように塗布・乾燥してヒートシール層を形成した以外は、全て実施例1と同様にして実施例2の熱転写シートを得た。実施例2の熱転写シートは、図5(a)に示す形態において、染料層を、イエロー染料層、マゼンタ染料層、シアン染料層をこの順で並べた構成とし、ブロック層上に接着層を設けた構成をとる。また、基材と、イエロー染料層、マゼンタ染料層、シアン染料層との間には、プライマー層が設けられている。
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ヒートシール層用塗工液1を、下記組成のヒートシール層用塗工液2に変更してヒートシール層を形成した以外は、全て実施例2と同様にして実施例3の熱転写シートを得た。
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ブロック層用塗工液1を、下記組成のブロック層用塗工液2に変更してブロック層を形成した以外は、全て実施例1と同様にして実施例4の熱転写シートを得た。
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ブロック層用塗工液1を、下記組成のブロック層用塗工液3に変更してブロック層を形成した以外は、全て実施例1と同様にして実施例5の熱転写シートを得た。
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ブロック層用塗工液1を、上記組成のブロック層用塗工液3に変更してブロック層を形成した以外は、全て実施例2と同様にして実施例6の熱転写シートを得た。
ブロック層用塗工液1を、上記組成のブロック層用塗工液3に変更してブロック層を形成し、ヒートシール層用塗工液1を、上記組成のヒートシール層用塗工液2に変更してヒートシール層を形成した以外は、全て実施例2と同様にして実施例7の熱転写シートを得た。
ブロック層用塗工液1を、下記組成のブロック層用塗工液4に変更してブロック層を形成した以外は、全て実施例1と同様にして実施例8の熱転写シートを得た。
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ブロック層用塗工液1を、上記組成のブロック層用塗工液4に変更してブロック層を形成した以外は、全て実施例2と同様にして実施例9の熱転写シートを得た。
ブロック層用塗工液1を、上記組成のブロック層用塗工液4に変更してブロック層を形成し、ヒートシール層用塗工液1を、上記組成のヒートシール層用塗工液2に変更してヒートシール層を形成した以外は、全て実施例2と同様にして実施例10の熱転写シートを得た。
ブロック層用塗工液1を、下記組成のブロック層用塗工液5に変更してブロック層を形成した以外は、全て実施例1と同様にして実施例7の熱転写シートを得た。
・ポリビニルブチラール 10部
(エスレック(登録商標)BX-1 積水化学工業(株))
・ポリイソシアネート硬化剤 2部
(タケネート(登録商標)D218 三井化学(株))
・リン酸エステル 2部
(プライサーフ(登録商標)A208S 第一工業製薬(株))
・メチルエチルケトン 43部
・トルエン 43部
ブロック層用塗工液1を、上記組成のブロック層用塗工液5に変更してブロック層を形成した以外は、全て実施例2と同様にして実施例12の熱転写シートを得た。
ブロック層用塗工液1を、上記組成のブロック層用塗工液5に変更してブロック層を形成し、ヒートシール層用塗工液1を、上記組成のヒートシール層用塗工液2に変更してヒートシール層を形成した以外は、全て実施例2と同様にして実施例13の熱転写シートを得た。
ブロック層用塗工液1を、下記組成のブロック層用塗工液Aに変更してブロック層を形成した以外は、全て実施例1と同様にして比較例1の熱転写シートを得た。
・ポリエチレンワックス(固形分:35%) 20部
(WE63-284 コニシ(株))
・イソプロピルアルコール 40部
・水 40部
ブロック層用塗工液1を、下記組成のブロック層用塗工液Bに変更してブロック層を形成した以外は、全て実施例1と同様にして比較例2の熱転写シートを得た。
・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))
・メチルエチルケトン 20部
・トルエン 20部
ブロック層用塗工液1を、上記組成のブロック層用塗工液Aに変更してブロック層を形成した以外は、全て実施例2と同様にして比較例3の熱転写シートを得た。
ブロック層用塗工液1を、上記組成のブロック層用塗工液Bに変更してブロック層を形成した以外は、全て実施例2と同様にして比較例4の熱転写シートを得た。
支持体として厚さ16μmのPETフィルムを用い、該支持体上に、下記組成の剥離層用塗工液を乾燥時の厚みが0.5μmになるように塗布・乾燥し剥離層を形成した。次いで、剥離層上に下記組成の保護層用塗工液1を乾燥時の厚みが1μmになるように塗布・乾燥し保護層を形成した。さらに該保護層の上に下記組成の受容層用塗工液を乾燥時の厚みが1μmになるように塗布・乾燥し受容層を形成することで、支持体上に、剥離層、保護層、受容層がこの順で積層されてなる中間転写媒体1を得た。なお、中間転写媒体1における、剥離層、保護層、受容層は転写層を構成する。
・アクリル樹脂 20部
(ダイヤナール(登録商標)BR-87 三菱ケミカル(株))
・ポリエステル 1部
(バイロン(登録商標)600 東洋紡(株))
・メチルエチルケトン 79部
・スチレン-アクリル共重合体 15部
(ミューティクル(登録商標)PP320P 三井化学(株))
・ポリビニルアルコール 10部
(C-318 (株)DNPファインケミカル)
・水 3.5部
・エタノール 3.5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))
・エポキシ変性シリコーンオイル 1部
(KP-1800U 信越化学工業(株))
・メチルエチルケトン 200部
・トルエン 200部
支持体として厚さ16μmのPETフィルムを用い、該支持体上に、下記組成のアンカー層用塗工液を乾燥時の厚みが0.3μmになるように塗布・乾燥しアンカー層を形成した。次いで、アンカー層上に、下記組成の離型層用塗工液1を乾燥時の厚みが0.5μmになるように塗布・乾燥し離型層を形成した。次いで、離型層上に、上記組成の保護用塗工液1を乾燥時の厚みが1.5μmになるように塗布・乾燥し保護層を形成した。次いで、保護層上に、下記組成の中間層用塗工液を乾燥時の厚みが0.8μmになるように塗布・乾燥し中間層を形成し、中間層上に、上記組成の受容層用塗工液を乾燥時の厚みが1.5μmになるように塗布・乾燥し受容層を形成することで、支持体上に、アンカー層、離型層、保護層、中間層、受容層がこの順で積層されてなる中間転写媒体2を得た。なお、中間転写媒体2における、保護層、中間層、受容層は転写層を構成する。
・ポリウレタン(固形分35%) 7.2部
(AP-40N DIC(株))
・エポキシ系硬化剤 0.5部
(ウォーターゾール(登録商標)WSA-950 DIC(株))
・溶媒 9.8部
(ソルミックス(登録商標)A-11 日本アルコール販売(株))
・水 2.4部
・エポキシ基含有シルセスキオキサン(固形分72.6%) 5.8部
(SQ502-8 荒川化学工業(株))
・アルミニウム触媒(固形分10%) 3.8部
(セルトップ(登録商標)CAT-A (株)ダイセル)
・トルエン 3.5部
・メチルエチルケトン 6.9部
・ポリエステル 3.3部
(バイロン(登録商標)200 東洋紡(株))
・塩化ビニル-酢酸ビニル共重合体 2.7部
(ソルバイン(登録商標)CNL 日信化学工業(株))
・イソシアネート硬化剤 1.5部
(タケネート(登録商標) 三井化学(株))
・メチルエチルケトン 6.7部
・トルエン 3.3部
離型層用塗工液1を、下記組成の離型層用塗工液2に変更して離型層を形成し、保護層用塗工液1を、下記組成の保護層用塗工液2に変更して保護層用塗工液を塗布・乾燥し、UV露光器を用いて露光して保護層を形成した以外は、全て中間転写媒体2と同様の方法で、中間転写媒体3を得た。なお、中間転写媒体3は、上記中間転写媒体1、2と比較して、保護層の強度が高く、ブロック層が転写された転写層を被転写体上に転写するときに、尾引きや、未転写が生じやすい中間転写媒体である。
・エポキシ基含有シルセスキオキサン(固形分72.6%) 1.1部
(SQ502-8 荒川化学工業(株))
・ウレタン変性ポリエステル(固形分40%) 8.2部
(バイロン(登録商標)UR-3500 東洋紡(株))
・ジルコニア触媒(固形分45%) 1.1部
(ZC-540 マツモトファインケミカル(株))
・アセチルアセトン 3.1部
・トルエン 2.2部
・メチルエチルケトン 4.3部
・3官能アクリレート 1.4部
(NKエステルA-9300 新中村化学工業(株))
・ビスフェノールA型エポキシアクリレート 1.4部
(NKオリゴマーEA-1020 新中村化学工業(株))
・15官能ウレタンアクリレート 1.4部
(NKエステルU-15HA 新中村化学工業(株))
・ポリマーアクリレート(固形分50%) 0.7部
(NKエステルC-24T 新中村化学工業(株))
・フィラー(シリカ)(平均粒径12nm)(固形分50%) 5.9部
(MEK-AC2140Z 日産化学工業(株))
・光重合開始剤 0.14部
(イルガキュア(登録商標)184 BASFジャパン社)
・表面調整剤(固形分50%) 0.14部
(LF1984 楠本化成(株))
・トルエン 4.8部
・メチルエチルケトン 9.5部
下記組成のカード基材を作成した。
・ポリ塩化ビニルコンパウンド(重合度800) 100部
(安定化剤などの添加材を10%含有)
・白色顔料(酸化チタン) 10部
・可塑剤(フタル酸ジオクチル) 0.5部
HDP5000(HID Golbal社)プリンタを用い、上記で作成した各中間転写媒体(中間転写媒体1~3)の受容層上に、該プリンタ専用の熱転写リボンにより、128/256階調のグレー画像を形成した。画像形成領域の大きさは88mmx56mmとした。
上記グレー画像が形成された各中間転写媒体と、各実施例、及び比較例の熱転写シートとを組み合わせ、HDP5000(HID Golbal社)プリンタにより、上記グレー画像の中心部に20mm角(20mm×20mmサイズ)の大きさで、ブロック層を転写した。なお、ブロック層の転写は、上記プリンタの標準設定で行った。
上記ブロック層が転写された各中間転写媒体と、上記で作成した被転写体とを組み合わせ、HDP5000(HID Golbal社)プリンタにより、中間転写媒体の前記グレー画像と重なる領域全体にエネルギーを印加し、該エネルギーが印加された各中間転写媒体の転写層を、被転写体上に転写し、各実施例、及び比較例の印画物を得た。なお、転写層の転写は、上記プリンタの標準設定で行った。
上記で得られた各実施例、及び比較例の印画物における尾引きの長さを測定し、以下の評価基準に基づいて尾引き評価を行った。評価結果を表1に示す。
A:尾引きの長さが1mm以下。
B:尾引きの長さが1mmより長く3mm以下。
NG(1):尾引きの長さが3mmより長く5mm以下。
NG(2):尾引きの長さが5mmより長い。
各実施例、及び比較例の印画物において、ブロック層の外縁を起点とし、当該起点から印画流れ方向における転写層の未転写部分の長さを測定し、以下の評価基準に基づいて未転写評価を行った。評価結果を表1に示す。
A:未転写部分の長さが0.3mm以下。
B:未転写部分の長さが0.3mmより長く1mm以下。
C:未転写部分の長さが1mmより長く3mm以下。
NG:未転写部分の長さが3mmより長い。
上記で得られた各実施例、及び比較例の印画物において、ブロック層と接していた部分の被転写体の表面、つまりは、その表面が露出している部分に爪を当てながら、被転写体の表面を1往復擦ったときの、被転写体の表面状態を目視で観察し、下記評価基準に基づいて外観評価を行った。評価結果を表1で示す。
A:被転写体の表面に擦過痕が残らない。
B:被転写体の表面に擦過痕が残る。
2・・・ブロック層
3・・・接着層
7・・・染料層
8・・・ヒートシール層
10・・・熱転写シート
31・・・支持体
32・・・離型層
35・・・受容層
36・・・保護層
40・・・転写層
50・・・中間転写媒体
60・・・被転写体
70・・・熱転写画像
100・・・印画物
A・・・転写層の周辺端部
B・・・ICチップ配置予定域
Claims (12)
- 中間転写媒体と組み合わせて用いられる熱転写シートであって、
基材上に、当該基材から剥離可能にブロック層が設けられ、
前記ブロック層は、前記中間転写媒体上に転写されるものであり、
前記ブロック層が、カルナバワックスを含有している、熱転写シート。 - 前記ブロック層が、さらにポリエチレンワックス、及び熱可塑性エラストマーを含有している、請求項1に記載の熱転写シート。
- 中間転写媒体と組み合わせて用いられる熱転写シートであって、
基材上に、当該基材から剥離可能にブロック層が設けられ、
前記ブロック層は、前記中間転写媒体上に転写されるものであり、
前記ブロック層が、活性光線硬化性樹脂の硬化物、シリコーン樹脂の硬化物、及び熱可塑性樹脂の硬化物の群の中から選択される少なくとも1種を含有している、熱転写シート。 - 前記基材の同一面上に、染料層、及びヒートシール層の何れか一方、又は双方が、前記ブロック層と面順次に設けられている、請求項1乃至3の何れか1項に記載の熱転写シート。
- 前記基材の同一面上に、前記染料層、前記ブロック層、前記ヒートシール層がこの順で面順次に設けられている、請求項4に記載の熱転写シート。
- 前記基材の同一面上に、前記染料層、前記ヒートシール層、前記ブロック層がこの順で面順次に設けられている、請求項4に記載の熱転写シート。
- 熱転写シートと中間転写媒体との組合せであって、
前記熱転写シートが請求項1乃至6の何れか1項に記載の熱転写シートであり、
前記中間転写媒体が、支持体上に、受容層からなる単層構成の転写層、又は前記支持体から最も遠くに受容層が位置する積層構成の転写層が設けられた中間転写媒体である、熱転写シートと中間転写媒体の組合せ。 - 前記支持体と前記転写層との間に、離型層が設けられ、
前記離型層が、シルセスキオキサンを含有している、請求項7に記載の熱転写シートと中間転写媒体の組合せ。 - 前記離型層が、さらにガラス転移温度(Tg)が50℃以下のウレタン変性ポリエステルを含有している、請求項8に記載の熱転写シートと中間転写媒体の組合せ。
- 前記転写層が、前記支持体側から、保護層、前記受容層がこの順で積層されてなる積層構造を呈しており、
前記保護層が、活性光線硬化性樹脂の硬化物を含有している、請求項7乃至9の何れか1項に記載の熱転写シートと中間転写媒体の組合せ。 - 印画物の製造方法であって、
請求項7乃至10の何れか1項に記載の熱転写シートと中間転写媒体の組合せを用い、
前記中間転写媒体の前記転写層上に熱転写画像を形成する工程と、
前記熱転写画像が形成された前記転写層上の一部に、前記熱転写シートの前記ブロック層を転写する第1転写工程と、
被転写体上に前記中間転写媒体の前記転写層を転写する第2転写工程と、を含み、
前記第2転写工程が、前記転写層上の一部に転写されたブロック層をマスキング部材として用い、前記ブロック層と重ならない前記転写層を、前記被転写体上に転写する工程である、印画物の製造方法。 - 請求項11に記載の印画物の製造方法に用いられる、エネルギー印加手段を備える熱転写プリンタ。
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JP2019569539A JP6733841B2 (ja) | 2018-01-31 | 2019-01-31 | 熱転写シート、熱転写シートと中間転写媒体の組合せ、及び印画物の製造方法 |
MYPI2020002444A MY197641A (en) | 2018-01-31 | 2019-01-31 | Thermal transfer sheet, combination of thermal transfer sheet and intermediate transfer medium, method for producing print, and thermal transfer printer |
KR1020207012231A KR102407422B1 (ko) | 2018-01-31 | 2019-01-31 | 열전사 시트, 열전사 시트와 중간 전사 매체의 조합, 인화물의 제조 방법 및 열전사 프린터 |
CN201980005417.8A CN111278656B (zh) | 2018-01-31 | 2019-01-31 | 热转印片和热转印片与中间转印介质的组合 |
EP19747004.0A EP3698981B1 (en) | 2018-01-31 | 2019-01-31 | Heat transfer sheet and combination of heat transfer sheet and intermediate transfer medium |
US16/765,267 US11697299B2 (en) | 2018-01-31 | 2019-01-31 | Thermal transfer sheet, combination of thermal transfer sheet and intermediate transfer medium, method for producing print, and thermal transfer printer |
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WO2021029358A1 (ja) * | 2019-08-14 | 2021-02-18 | 大日本印刷株式会社 | 記録媒体、加飾シート、加飾品、及び加飾品の製造方法 |
WO2021230290A1 (ja) * | 2020-05-13 | 2021-11-18 | 大日本印刷株式会社 | 熱転写シート、及び該熱転写シートと中間転写媒体の組合せ |
JP7041785B1 (ja) * | 2021-10-18 | 2022-03-24 | 株式会社アイエヌジー | 画像箔転写シート、画像箔転写シートの製造方法、画像箔の転写方法 |
WO2022102728A1 (ja) * | 2020-11-11 | 2022-05-19 | 凸版印刷株式会社 | 熱転写シート及び中間転写媒体 |
WO2023170875A1 (ja) * | 2022-03-10 | 2023-09-14 | 大阪シーリング印刷株式会社 | ヒートシール可能な感熱フィルムおよびその製造方法 |
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Also Published As
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JP6733841B2 (ja) | 2020-08-05 |
EP3698981A4 (en) | 2021-08-25 |
CN111278656B (zh) | 2022-05-31 |
CN111278656A (zh) | 2020-06-12 |
US20200369063A1 (en) | 2020-11-26 |
JPWO2019151378A1 (ja) | 2020-07-02 |
KR102407422B1 (ko) | 2022-06-10 |
MY197641A (en) | 2023-06-30 |
EP3698981B1 (en) | 2022-10-19 |
EP3698981A1 (en) | 2020-08-26 |
TWI780299B (zh) | 2022-10-11 |
TW201936391A (zh) | 2019-09-16 |
US11697299B2 (en) | 2023-07-11 |
KR20200058518A (ko) | 2020-05-27 |
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