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WO2009057800A1 - Feuille de réception à transfert thermique - Google Patents

Feuille de réception à transfert thermique Download PDF

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Publication number
WO2009057800A1
WO2009057800A1 PCT/JP2008/069995 JP2008069995W WO2009057800A1 WO 2009057800 A1 WO2009057800 A1 WO 2009057800A1 JP 2008069995 W JP2008069995 W JP 2008069995W WO 2009057800 A1 WO2009057800 A1 WO 2009057800A1
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WO
WIPO (PCT)
Prior art keywords
resin
receiving layer
thermal transfer
mass
sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2008/069995
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English (en)
Japanese (ja)
Inventor
Kyoko Uchida
Masato Kawamura
Takaaki Koro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
New Oji Paper Co Ltd
Original Assignee
Oji Paper Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oji Paper Co Ltd filed Critical Oji Paper Co Ltd
Priority to JP2009539156A priority Critical patent/JPWO2009057800A1/ja
Publication of WO2009057800A1 publication Critical patent/WO2009057800A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—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
    • 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
    • B41M5/506—Intermediate layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/50—Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording
    • B41M5/52—Macromolecular coatings
    • B41M5/5263—Macromolecular coatings characterised by the use of polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B41M5/5281—Polyurethanes or polyureas

Definitions

  • the thermal transfer receptive sheet of the present invention relates to a thermal transfer receptive sheet having a high print density, excellent image sharpness, light resistance of the printed image, excellent storage stability and running property in a high temperature and high humidity environment.
  • the dye thermal transfer system is a thermal transfer having a dye thermal transfer sheet having a dye layer (hereinafter simply referred to as “ink ribbon”) and a dye receiving layer for receiving the dye (hereinafter also simply referred to as “receiving layer”).
  • a receiving sheet hereinafter also simply referred to as “receiving sheet”
  • the dye layer and the receiving layer are overlapped, and the dye is transferred onto the receiving layer by heating to form an image. Heating is performed with a thermal head, and a full-color image is formed with multicolored dots. Since the dye is used, the image is clear and highly transparent, and a high-quality image that can be used for photographic use is obtained.
  • thermoplastic resins having good dye dyeing properties As the resin for forming the receiving layer, various thermoplastic resins having good dye dyeing properties have been proposed. Among them, resins having particularly good dyeability are vinyl chloride resins, urethane resins, polyester resins, polyvinylacetal resins, acrylic resins, and cellulose resins.
  • the glass transition temperature of the receiving layer resin (below)
  • T g. Has a large impact.
  • the Tg of the receiving layer resin is low, the receiving layer is more easily softened against the heat from the thermal head during printing, and the dye becomes more dyed and the printing density increases. Also composition When the receiving layer resins having similar to each other are compared, the lower the Tg, the better the light resistance of the dye dyed.
  • the dye When the dye is dyed on the receptor layer resin having a high Tg, the dye is difficult to diffuse in the receptor layer and is localized on the surface of the receptor layer. It is presumed that the light-resistant deterioration of the image is caused by the active oxygen in the air generated by light irradiation attacking the dyeing dye from the surface of the receiving layer. If the dye is localized on the surface of the receiving layer, it is easily attacked by active oxygen and the image is liable to deteriorate. When the Tg of the receiving layer resin is low, the dye dyed easily penetrates into the receiving layer, and there are few dyes present on the surface, so that it is not easily attacked by active oxygen and has good light resistance.
  • a thermal transfer receiving sheet with high printing density and good image light fastness can be obtained.However, a low Tg resin is used in the receiving layer.
  • the dye that has been dyed diffuses into the receiving layer and appears as a blurred image.
  • the receiving layer is softened during printing, there is a problem that running failure such as peeling of the receiving layer occurs if the ink ribbon and the receiving layer are fused.
  • Patent Document 1 does not define a specific T g range, the preferable temperature range of the upper receiving layer is 40 to 90, and the preferable range of the lower receiving layer is 70 or more. .
  • silicone oil is used as a release agent. Increasing the amount of silicone oil added to improve releasability decreases the adhesion to the lower layer, so it is limited to the effect of improving releasability. It was difficult to use a resin having a boundary of less than T g 40 t: for the upper receiving layer. For this reason, there was a limit to improving the image light resistance.
  • thermo transfer receiving sheet in which a resin in which a polysiloxane segment, a fluorocarbon segment or a long-chain alkyl segment is grafted is contained in an amount of 30% or more of the resin contained in the receiving layer ( JP 1 1 5 8 7 4 8 (page 1)).
  • polysiloxanes have a very low T g (eg, glass transition temperature of polydimethylsiloxane: — 1 2 7 :), and if there are many polysiloxane segments in the receiving layer, the printed image The outline of is unclear. In addition, there is a problem that image blurring occurs when the printed matter is stored in a high temperature and high humidity environment. Disclosure of the invention
  • An object of the present invention is to provide a thermal transfer receptive sheet having a high print density, excellent image sharpness, light fastness of a print image, and excellent storage stability and running property in a high temperature and high humidity environment.
  • the present invention was constructed based on the following technical matters.
  • thermo transfer receiving sheet in which two receiving layers are provided on a support, the upper receiving layer has a glass transition temperature of 1 10 measured according to ISO _ 1 1 3 5 9 _ 2
  • a thermal transfer receptive sheet comprising: a dyeable resin having a glass transition temperature of 45 to 70, and a lower layer receiving layer containing a dyeable resin having a glass transition temperature of 45 to 70.
  • the upper receiving layer-containing dyeable resin contains a urethane-based resin.
  • thermo transfer receiving sheet according to (1) or (2), wherein the lower-layer receiving layer-containing dyeing resin contains a vinyl chloride resin contains a vinyl chloride resin.
  • the vinyl chloride resin is a copolymer resin of vinyl chloride and vinyl acetate, and the vinyl chloride component in the copolymer resin is 60 to 90% by mass.
  • Thermal transfer receptive sheet is a copolymer resin of vinyl chloride and vinyl acetate, and the vinyl chloride component in the copolymer resin is 60 to 90% by mass.
  • the dyeable resin contained as a main component in the upper layer receiving layer and Z or the lower layer receiving layer is crosslinked by a crosslinking agent comprising a calpositimide compound (1) to (4) Thermal transfer receptive sheet.
  • the dyeing resin of the intermediate layer is a copolymer resin of vinyl chloride and vinyl acetate, and the vinyl chloride component in the copolymer resin is 60 to 90% by mass.
  • the upper receiving layer contains 0.1 to 25% by mass of a polysiloxane segmentate-containing aqueous resin with respect to 100% by mass of the dyeable resin.
  • the thermal transfer receptive sheet of the present invention is a thermal transfer receptive sheet that is excellent in light fastness of printed images and preserved in a high-temperature and high-humidity environment, has good running properties, and can be used for photographic applications.
  • cellulose pulp As a support for the receiving sheet in the present invention, cellulose pulp is used. Papers and synthetic resin sheets that are mainly used are used. Examples of paper include high quality paper (acidic paper, neutral paper), medium quality paper, coated paper, art paper, glassine paper, and resin laminating paper.
  • Sheets based on synthetic resins include polyesters such as polyethylene and polyethylene, polyethylene terephthalate, polyesters such as polyethylene terephthalate, polyvinyl chloride, polystyrene, poly vinyl sulfonate, and polyvinyl chloride. Etc.
  • porous stretched sheets examples include synthetic paper and porous polyester sheet made mainly of thermoplastic resin such as polyolefin and polyester. These materials may be used alone, or may be a laminate sheet in which porous stretched sheets are laminated with each other, and a porous stretched sheet and other sheets and paper or paper are laminated and adhered.
  • the support may have a structure in which a first base material layer on which a receiving layer is formed, an adhesive layer, a release agent layer, and a second base material layer are sequentially laminated, so-called label type (sticker,
  • label type sticker
  • a support having a structure also referred to as a seal type
  • the Tg of the upper layer receiving layer-containing dyeing resin is
  • thermal transfer receptive capacity is 0 ", in which the Tg of the lower-layer receptive layer-containing dyeing resin is 4590.
  • Tg is the glass transition temperature based on ISO-1 1 3 5 9-2.
  • Measuring instrument Dynamic viscoelasticity measuring device DMS 6 100 type (manufactured by Seiko Instruments Inc.)
  • Heating rate 5 V, / m i n
  • the upper receiving layer used in the present invention contains a dyeing resin having Tg of ⁇ 10 to 40 as a main component.
  • the minimum temperature of T g of the dyeable resin contained as a main component in the upper receiving layer is preferably 0 or more, more preferably 5 or more. Further, the upper limit temperature of T g of the dyeable resin contained as a main component in the upper receiving layer is preferably 35 or less, more preferably 30 or less. If the Tg of the dyeing resin contained as a main component in the upper receiving layer exceeds 40, the light resistance of the image may be inferior. If the Tg of the dyeing resin contained as the main component in the upper receiving layer is less than ⁇ 10, the heat resistance of the upper receiving layer is inferior, and the receiving layer is fused to the ink ribbon during printing. Failure may occur.
  • the upper receiving layer preferably contains a polysiloxane segment-containing aqueous resin as a release agent.
  • the polysiloxane segment-containing water-based resin is a resin obtained by block copolymerization or graph copolymerization of a polysiloxane segment with another resin.
  • the polysiloxane segment-containing resin of the present invention is characterized by being aqueous.
  • a water-based polysiloxane segment-containing resin can provide a release effect with a smaller amount of addition than a solvent-based polysiloxane segment-containing resin.
  • the effect of improving bleeding can be achieved at the same time, and even with the following resins having a Tg of 40, printing can be performed without causing peeling of the receiving layer.
  • the content of the polysiloxane segment-containing water-based resin used in the present invention in the upper receiving layer is preferably from 0.0 to 25% by mass with respect to 100% by mass of the resin component in the upper receiving layer. More preferably, it is 0.3 to 20% by mass, and still more preferably 0.5 to 10% by mass. If it is less than 0.1% by mass, the release effect is not sufficient, and the release property from the ribbon becomes insufficient during printing, and it may be fused. 2 If the content exceeds 5% by mass, bleeding of the image becomes noticeable when the print is stored in a high temperature and high humidity environment. Furthermore, the adhesiveness with the lower receiving layer deteriorates, and the receiving layer may peel off during printing.
  • Polysiloxane segment-containing resin is a polysiloxane monomer.
  • one material is copolymerized with a monomer material of a copolymer resin, it can be hydrophilized by adding a monomer material that imparts a carbonyl group, a sulfonyl group, or a hydroxyl group to the resin after polymerization is completed.
  • Examples of monomer materials that impart a carbonyl group, sulfonyl group, or hydroxyl group to the polymer include dimethylolpropionic acid and 5-sulfoisophthalic acid.
  • the polysiloxane-containing resin may be prepared by emulsifying a mixture of a polysiloxane monomer material, a copolymer resin monomer material, and a polymerization initiator in water using a surfactant and applying a temperature required for the polymerization reaction to a copolymerization emulsion.
  • a surfactant emulsifying a mixture of a polysiloxane monomer material, a copolymer resin monomer material, and a polymerization initiator in water using a surfactant and applying a temperature required for the polymerization reaction to a copolymerization emulsion.
  • Monomers used for copolymerization with polysiloxane in the synthesis of polysiloxane-containing resins include known monomer components used in the synthesis of acrylic resins, polyester resins, urethane resins, vinyl resins, Cellulose, styrene, alkylene oxide, vinyl pyrrolidone and the like can be mentioned. Among these, (meth) acrylic acid ester, polyester, vinyl carboxylate, styrene, and alkylene oxide are preferable from the viewpoint of dyeability.
  • the content of polysiloxane in the polysiloxane-containing resin is preferably from 0.5 to 50 mass%, more preferably from 1 to 20 mass%, in 100 mass% of the polysiloxane-containing resin.
  • the content ratio of the polysiloxane is less than 0.5% by mass, the effect of improving the releasability cannot be obtained, and if it exceeds 50% by mass, the stability of the polysiloxane-containing resin in the aqueous solvent is impaired.
  • thermoplastic resin having high affinity for the dye and good dyeing property is used.
  • vinyl chloride resin urethane resin
  • polyester tree Thermoplastic resins such as resin, polycarbonate resin, polyvinyl acetal resin, polyvinyl butyral resin, polystyrene resin, polyacrylic ester resin, acrylic resin, cellulose resin, and polyamide resin
  • the plastic resins may be used alone or in combination of two or more.
  • the dye resin used in the upper receiving layer is preferably a urethane resin or an acrylic resin, and particularly preferably a urethane resin because of excellent light resistance of a printed image.
  • Urethane resin has good adhesion to the base material and has a crystalline region in the molecule. Therefore, the receptor layer peels off at high temperature (high speed) even at low T g (incribone and receptor layer). The resin sticks at a high temperature, and when the ink ribbon is peeled off, the receiving layer resin is also unlikely to peel off from the substrate.
  • the acrylic resin used in the upper receiving layer is phenoxypolyethylene glycol (metha) acrylate or phenoxyalkyl (meth) acrylate because it has excellent light resistance in the printed image.
  • the molecular structure is monomer
  • Polymers, block polymers with other resins, and graft polymers can be contained in the receiving layer.
  • the urethane resin used in the upper receiving layer preferably has the following compositional range from the viewpoint of extremely high dye dyeing property and good light resistance of the dye dyed.
  • the polyurethane resin used in the present invention is obtained by synthesizing a urethane prepolymer obtained from polyisocyanate and polyol, and then using the low molecular weight polyamine compound to chain-extend the urethane prepolymer. Is obtained.
  • the urethane prepolymer used as an intermediate raw material for the polyurethane resin of the present invention is synthesized by polycondensation of a polyisocyanate and a polyol.
  • the ratio of polyisocyanate to polyol is synthesized in the range of 10:40 to 100: 80 in the molar ratio of isocyanate group: hydroxyl group. More preferably, the synthesis may be carried out in the range of 10: 00: 5 5 to 10: 00: 75, more preferably in the range of 10: 00: 60 :: 100: 70. preferable.
  • the synthesized polyurethane resin composition When the ratio of the polyol to the polyisocyanate is less than 40, the synthesized polyurethane resin composition has an excessive crystal region, the dyeing property is lowered, and the color density of the print product printed by thermal transfer is remarkably lowered. On the other hand, if it exceeds 80, the amorphous region of the synthesized polyurethane resin composition becomes excessive, the heat resistance of the obtained receiving layer is lowered, and there is a problem such as peeling of the receiving layer if it is fused with the dye lipon during printing. It tends to occur. In addition, the prints that have been heat-transfer printed may have bleeding over time, which may significantly impair the preservation of the prints.
  • the polyisocyanate binds to a low molecular weight polyamine compound to form a hard block in the polyurethane resin composition.
  • Hard blocks form crystalline regions by electrical or chemical bonds with hard blocks of other molecular chains. This crystal region imparts heat resistance to the urethane resin.
  • Polyisocyanates are mainly classified into alicyclics, aliphatics, and aromatics. Of these, aromatic polyisocyanates are used as a raw material for polyurethane resin compositions and dyed in the image receiving layer. Significantly lowers the light resistance of the dyes attached. Aromatic polyisocyanate dyes the receptor layer The cause of the decrease in the dye is not clear, but it is presumed that the molecular bond of the dye is cleaved by the ⁇ -electron interaction on the surface of the hard block in which the aromatic rings are regularly arranged.
  • the present invention preferably contains 90% by mass or more of alicyclic polyisocyanate and Z or aliphatic polyisocyanate h in 100% by mass of polyisocyanate used for the synthesis of urea prepolymer.
  • the content is 95% by weight or more, and more preferably 98% by weight or more.
  • the content of the alicyclic polyisocyanate and / or the aliphatic polyisocyanate is less than 90% by weight. In some cases, the heat resistance of the transferred prints may be significantly reduced. Further, the content of the aliphatic polyisocyanate is preferably adjusted to a range of 20% by mass or less of the polyisocyanate used for the synthesis of the urethane prepolymer. When the content of the aliphatic polyisocyanate exceeds 20%, the heat resistance of the resulting polyurethane resin composition decreases, the peelability of the ink ribbon and the receiving sheet decreases, or the blur of the printed matter deteriorates. Problems such as
  • Examples of the aliphatic polyisocyanate that can be used in the present invention include hexamethylene diisocyanate, trimethylhexamethylene diisocyanate ⁇ , lysine diisocyanate, hexamethylene diisocyanate, and the like. Of these, hexamethylene dissociation is preferred.
  • Examples of cycloaliphatic polyisocyanates include isophorone diisocyanate, dicyclohexylforman isocyanate, cyclohexane diisocyanate ⁇ ⁇ , ⁇ Usocyanate ⁇ cyclohexane, etc.
  • Mouth-di sulfonate, dicyclohexyl methane diisocyanate, and cyclohexane diisocyanate are preferably used.
  • the aliphatic polyisocyanate and alicyclic polyisocyanate that can be produced are not limited to the above examples, and can be used alone or in combination of two or more.
  • aromatic polyisocyanate In addition to the above-mentioned aliphatic polyisocyanate and alicyclic polyisocyanate, it is also possible to use aromatic polyisocyanate as long as the effects of the present invention are not impaired.
  • aromatic polyisocyanates include phenolic diisocyanate, tolylene diisocyanate, diphenylmethane diisocyanate, naphthenic diisocyanate, triphenylmethane triisocyanate, and xylylene range.
  • Examples include araliphatic polyisocyanates such as isocyanates, tetramethylxylylene diisocyanate, polyisocyanates such as triisocyanate and methylbenzene, but are not limited to the above examples, and should be used alone. It is also possible to use two or more types in combination.
  • the polyol that forms a urethane polymer together with the polyisocyanate forms a soft block in the polyurethane resin composition.
  • the soft block contributes to the dyeing property of the image receiving layer.
  • the polyurethane resin composition used in the present invention preferably contains 50% by mass or more of aromatic polyol, more preferably 60% by mass or more, as a polyol component with respect to 100% by mass of all polyol components. More preferably, the content is 70% by mass or more, and still more preferably 80% by mass or more. When the aromatic polyol is less than 50% by mass, the dyeing property of the obtained image receiving layer is lowered, and a highly sensitive thermal transfer receiving sheet may not be obtained.
  • aromatic polyols that can be used in the present invention include aromatic polyester polyols such as polyethylene terephthalate diol, polyethylene isophthalate diol, polyhexamethylene isophthalate adipate diol, and addition of polyethylene oxide to aromatic polyester. Products and ethylene oxide adducts, but are not limited to the above examples, and may be used alone or in combination of two or more.
  • Polyols other than aromatic polyols include, for example, poly ethylene azide diol, polybutylene azide diol, polyethylene butylene azide diol, polyethylene succinate diol, polybutylene succinate diol, Polyethylene sebadiol, polybutylene sebadiol, poly ⁇ -force prolactondiol, poly
  • Polyester polyols such as (3-methyl-1,5-pentyleneadipate) diol, polytetramethylene carbonate diol, polyhexamethylene carbonate diol, poly (1, 4 Xanthodimethylene carbonate) diol, poly (hexamethylene mono
  • the polyurethane resin composition used in the present invention is obtained by synthesizing the urethane prepolymer and then chain-extending the urethane prepolymer using a low molecular weight polyamine compound.
  • Low molecular weight polyamine The compound and the low molecular weight polyol compound together with the polyisocyanate form a hard block in the polyurethane resin composition.
  • the low molecular weight polyamine compound is non-aromatic because the light resistance of the dye thermally transferred to the receiving layer is lowered when a large amount of aromatic component is contained in the crystalline region.
  • Examples of the low molecular weight polyamine compound that can be used in the present invention include hydrazine, ethylenediamine, propylenediamine, hexaethylenediamine, bisaminomethylcyclohexane, di (amino hexyl) methane, piperazine, 2-Low molecular weight polyamines such as methylbiperazine, isophoronediamine, diethylenetriamine, iminobispropylamine, triethylenetetramine, etc., can be used alone or in combination of two or more It is.
  • the method for synthesizing the urethane resin of the present invention is not particularly limited, and is synthesized using various known methods, reaction catalysts, and reaction inhibitors.
  • the urethane resin of the present invention is preferably a water dispersion type such as a self-emulsification type or a forced emulsification type using a dispersant.
  • a water-dispersed type in consideration of the environment.
  • the self-emulsifying type is preferred because a film-forming property is good during coating and a uniform image-receiving layer can be obtained. .
  • the method of self-emulsification or forced emulsification of the urethane resin is not particularly limited, and various known methods can be used. However, by adding a diol having a carboxyl alkyl as a side chain as a raw material to the urethane resin. A method of introducing a carboxyl group to make it hydrophilic is preferable.
  • the content ratio of the carboxyl group derived from the diol having the carboxyl alkyl as a side chain is preferably 0.3 to 6% by mass, more preferably 0.1 to 6% by mass with respect to 100% by mass of the polyurethane resin composition. It is preferably 0.5 to 5% by mass, more preferably 2.5 to 4% by mass.
  • the carboxyl group content is less than 0.3%, the urethane resin becomes unstable in the coating liquid, and smears may occur in the coating and drying process, which may reduce the print quality.
  • the content ratio of the carboxyl group exceeds 6%, the water resistance of the obtained receiving layer is inferior, and when the printed material is stored in a high-temperature and high-humidity environment, bleeding of the printed material occurs or storage stability is deteriorated. There is danger.
  • the coating amount of the upper receiving layer is preferably from 0.5 to 8 g Zm 2 , more preferably from 1 to 5 g Zm 2 . If it is less than 0.5 g Zm 2 , the light resistance of the image may be inferior. Beyond 8 g Zm 2, may dyeability lower receptor layer is impaired, there is a case where image bleeding occurs.
  • a crosslinking agent to the upper receiving layer to improve heat resistance.
  • a crosslinking agent a calpositimide compound, an isocyanate compound, an oxazoline compound, or an organic titanium chelate compound is preferable.
  • the addition amount of the calpositimide crosslinking agent is preferably such that the calpositimide crosslinking agent is 1 to 30% by mass with respect to 100% by mass of the resin contained in the upper receiving layer. 2 5% by mass is more preferred. If it is less than 1% by mass, a sufficient crosslinking effect cannot be obtained, and printing running failure may occur. If it exceeds 30 mass%, the curing agent may hinder the resin dyeing property and the density of the printed image may decrease.
  • the lower receiving layer used in the present invention contains a dyeing resin having a Tg of 45 to 80 3 ⁇ 4 as a main component.
  • the minimum Tg temperature of the dyeable resin contained as a main component in the lower receiving layer is preferably 48 or more, more preferably Preferably, 5 3 or more.
  • the upper limit temperature of T g of the dyeable resin contained as a main component in the lower receiving layer is preferably 75 or less, more preferably 70 or less. If the Tg of the dyeing resin contained as a main component in the lower receiving layer exceeds 8, the density of the printed image may decrease. If the Tg of the dyeing resin contained as a main component in the lower receiving layer is less than 45, bleeding may occur when the printed image is placed in a high-temperature and high-humidity environment.
  • the lower receiving layer-containing dyeing resin has a higher Tg than the upper receiving layer-containing dyeing resin. Even though the Tg of the upper-layer receptor layer-containing dyeing resin is low, the image of the resulting receptor sheet is difficult to spread even in high-temperature or high-humidity environments. This is probably because the resin has good dyeability and high Tg.
  • the dye is dyed on the upper receiving layer at the same time, and part of the dye is also dyed on the lower receiving layer. There is almost no movement inside, so bleeding is unlikely to occur.
  • the resin that forms the lower receiving layer examples include, for example, vinyl chloride resin, urethane resin, polyester resin, polycarbonate resin, polyvinyl acetal resin, polyvinyl propylar resin, polystyrene resin, polyacrylic ester resin, These include thermoplastic resins such as acrylic resins, cell mouth resins, and polyamide resins. These thermoplastic resins may be used alone or in combination of two or more. May be.
  • a vinyl chloride resin a urethane resin, a polyester resin, a polyvinyl alcohol resin, an acrylic resin, and a cellulose resin are preferably used.
  • Vinyl chloride resins are particularly preferred.
  • the vinyl chloride resin is the following como with vinyl chloride as a monomer unit. Mention may be made of copolymer resins with nomers.
  • Examples of the comonomer include fatty acid vinyl esters such as vinyl acetate, vinyl propionate, and vinyl palmate.
  • Examples of acrylic acid or maleic acid and its esters include acrylic acid, maleic acid, methyl acrylate, ethyl methylate, butyl acrylate, and methacrylate. 2—Hydroxetil, 1-ethylhexyl acrylate, and the like.
  • Examples of maleic acid and its esters include maleic acid and jetyl maleate.
  • Examples of the alkyl vinyl ethers include alkyl vinyl ethers such as methyl vinyl ether and 2-ethylhexyl vinyl ether.
  • the vinyl chloride resin may be any of a block copolymer resin, a graft copolymer resin, an alternating copolymer resin, and a random copolymer resin.
  • a copolymer resin of vinyl chloride and vinyl acetate is particularly preferred because of its good affinity with dyes.
  • vinyl chloride resin those having a hydroxyl group or a carboxyl group introduced are preferably used.
  • a hydroxyl group of a vinyl chloride resin is introduced by copolymerizing vinyl chloride and, for example, vinyl acetate and then hydrolyzing a part thereof.
  • a method of introducing a carboxyl group by adding maleic acid during polymerization is a method in which a hydroxyl group of a vinyl chloride resin is introduced by copolymerizing vinyl chloride and, for example, vinyl acetate and then hydrolyzing a part thereof.
  • the vinyl chloride resin preferably contains vinyl chloride as a monomer unit in a proportion of 60 to 90% by mass, more preferably 70 to 80% by mass.
  • the coating amount of the lower receptor layer of the present invention is 0 5 ⁇ 8 g Z m 2 are preferred;. Preferred ⁇ 5 g / m 2 Gasa al!. If the coating amount of the lower receiving layer is less than 0.5 g / m 2 , the effect of preventing image bleeding and the effect of preventing running defects may be insufficient. When the coating amount of the lower receiving layer exceeds 8 g Z m 2 , the effect obtained for the increased cost is small.
  • a crosslinking agent to the lower receiving layer to improve heat resistance.
  • a carbohydride compound, an isocyanate compound, an oxazoline compound, or an organic titanium chelate compound is preferable.
  • these cross-linking agents are highly effective in improving heat resistance, are less likely to cause runnability problems such as ribbon fusion during printing, and are stable in water-based paints.
  • a crosslinking agent is preferred.
  • the addition amount of the calpositimide crosslinking agent is preferably such that the calpositimide crosslinking agent is 1 to 30% by mass with respect to 100% by mass of the resin contained in the lower receiving layer. 2 5% by mass is more preferred. If it is less than 1% by mass, a sufficient crosslinking effect cannot be obtained, and printing running failure may occur. If it exceeds 30 mass%, the curing agent may hinder the resin dyeing property and the density of the printed image may decrease.
  • An intermediate layer containing hollow particles can be provided between the support and the lower receiving layer. Since the intermediate layer containing hollow particles can impart heat insulation and cushioning properties, image clarity and image uniformity can be improved.
  • Examples of the material for forming the walls of the hollow particles used in the intermediate layer include acrylonitrile, vinylidene chloride, and a polymer of styrene acrylate. Examples of methods for producing these hollow particles include a method in which microcapsules in which butane gas is sealed in resin particles are heated and foamed, and an emulsion polymerization method.
  • the coating amount of the intermediate layer 1 ⁇ 3 0 g Zm 2 is preferred. If the coating amount of the intermediate layer is less than lg Zm 2 , sufficient heat insulation and cushioning properties cannot be expected, and if it exceeds 30 g Zm 2 , the effect obtained for the cost increases is small.
  • the particle size of the hollow particles is preferably from 0.1 to 10 / zm. If the particle size of the hollow particles is less than 0.1 m, the walls of the hollow particles are thin and heat resistance is insufficient, and they are easily broken in the coating and drying process. On the other hand, if it exceeds 10 im, the surface irregularity of the obtained receiving sheet may become large and the image uniformity may be inferior.
  • the volumetric hollowness of the hollow particles is preferably 50 to 90%. If the volumetric hollowness of the hollow particles is less than 50%, the effect of imparting heat insulating properties and cushioning properties may be insufficient. If it exceeds 90%, the walls of the hollow particles become thin and the durability may be lowered.
  • the resin for the intermediate layer it is preferable to contain a water dispersion of a dyeable resin having a Tg of 40 to 90. It is more preferable to contain an aqueous dispersion of a dyeable resin having a Tg of 45 to 80.
  • the transferred dye is dyed up to the upper receiving layer, the lower receiving layer, and the intermediate layer containing the dyeable resin.
  • the intermediate layer contains the same high Tg dyeing resin as the lower receiving layer, the dye dyed on the intermediate layer is also difficult to diffuse and when the printed matter is stored in a high-temperature and high-humidity environment. The effect of preventing image bleeding can be expected.
  • the inclusion of hollow particles can be expected to impart heat insulation and cushioning properties to the receiving sheet. If T of the dyeing resin contained in the intermediate layer is less than 40, the image blur prevention effect may not be obtained. If the Tg of the dyeing resin exceeds 90, the cushioning property of the intermediate layer is lowered, and a clear image may not be obtained.
  • the content of the hollow particles is preferably 30 to 50% by mass. Hollow particles If it is less than 30% by mass, the heat-insulating and cushioning properties of the receiving sheet are inferior, and the print density may be insufficient or the image may be missing. If it exceeds 50% by mass, the print density may be insufficient or the dyed dye may not be retained, and so-called blemishes that diffuse in the layer may occur.
  • the dyeing resin used in the intermediate layer is vinyl chloride resin, urethane resin, polyester resin, polycarbonate resin, polyvinyl alcohol resin, polyvinyl petital resin, polystyrene resin, polyacrylic resin.
  • thermoplastic resins such as acid ester resins, acrylic resins, cellulose resins, and polyamide resins. These thermoplastic resins may be used alone or in combination of two or more. You may do it.
  • an aqueous dispersion of a copolymer resin of vinyl chloride and vinyl acetate is preferable from the viewpoint of dyeability and bleeding prevention.
  • Vinyl chloride content The vinyl chloride content in the vinyl copolymer resin aqueous dispersion is preferably 60 to 90% by mass, more preferably 70 to 90% by mass. If it is less than 60% by mass, it is difficult to stably maintain the dyed dye in the layer, and the dye may diffuse and cause bleeding. If it exceeds 90% by mass, the film formability is inferior and the coating layer may be cracked. It is preferable to add a crosslinking agent to the intermediate layer to improve water resistance.
  • the cross-linking agent a carbohydride compound, an isocyanate compound, an oxazoline compound, or an organic titanium chelate compound is preferable.
  • carbodiimide-based crosslinking agents are preferred because they are highly effective in improving heat resistance and highly effective in preventing damage to the intermediate layer due to heat from the thermal head during printing.
  • the addition amount of the calpositimide crosslinking agent is preferably such that the calpositimide crosslinking agent is 1 to 30% by mass with respect to 100% by mass of the resin contained in the lower receiving layer. 2 5% by mass is more preferred. If less than 1% by mass, sufficient crosslinking effect May not be obtained. On the other hand, if it exceeds 30% by mass, the intermediate layer becomes too hard and the cushioning property is lost, and the print image quality may deteriorate.
  • an organotitanium chelate compound is preferred because it has a high effect of improving water resistance and can suppress fluctuations in printing density due to environmental humidity.
  • the amount of the organic chelate-based crosslinking agent added is preferably such that the organic titanium chelate-based crosslinking agent is 1 to 30% by mass with respect to 100% by mass of the resin contained in the lower receiving layer. 3 to 25% by mass is more preferable. If it is less than 1% by mass, a sufficient crosslinking effect may not be obtained. On the other hand, if it exceeds 30% by mass, the intermediate layer becomes too hard and the cushioning property is lost, and the print image quality may deteriorate.
  • a back surface layer can be appropriately provided on the surface (back surface) on which the receiving layer is not provided.
  • the purpose of the back layer is to improve running performance, prevent static electricity, prevent scratching of the receiving layer due to rubbing between the receiving sheets, and prevent dye transfer to the back when the receiving sheets are stacked.
  • the back layer contains a resin as an adhesive component and, if necessary, pigments and additives.
  • the receiving sheet may be calendared.
  • the calendar process may be performed at any stage.
  • a calendar device generally used in the paper industry such as a super calendar, a soft calendar, a Daros calendar, a clearance calendar, and the like can be appropriately used.
  • Each coating layer has a wetting agent used in general coated paper production.
  • Various auxiliary agents such as a dispersant, a thickener, an antifoaming agent, a coloring agent, an antistatic agent, and an antiseptic are appropriately added.
  • the obtained methyl polyethylketone solution of prepolymer was cooled to 30 and neutralized by adding the amount of triethylamine shown in Table 1 and then gradually added with 40 g of water to emulsify and disperse.
  • a 20% by mass aqueous solution of ethylenediamine was added in the amount shown in Table 1 (in terms of solid content) and stirred for 2 hours.
  • the solvent was removed while raising the temperature to 50 over 2 hours under reduced pressure to obtain a polyurethane emulsion having a nonvolatile content of about 39% by mass.
  • the nonvolatile content of polyurethane emulsion means the residual mass ratio after drying the aqueous dispersion at 105 for 3 hours.
  • the mass ratio of the cycloaliphatic polyisocyanate, aliphatic polyisocyanate, and aromatic polyisocyanate in the polyisocyanate component during synthesis of the urethane prepolymer the mass ratio of the aromatic diol-derived component in the polyol component, polyisocyanate And carboxyalkyl in the solid content of aqueous polyurethane polyol resin solids (polyisocyanate group: molar ratio of hydroxyl group).
  • the content ratio of the carboxyl group derived from the diol as
  • Polyurethane resin compositions U 0 1 to U 19 are synthesized by synthesizing urethane prepolymers obtained from polyisocyanate and polyol, and then chain-extending the urethane prepolymer using a low molecular weight polyamine compound. did.
  • Polyurethane resin composition Polyisocyanate used for the synthesis of UO 1 to U 19, types of polyols, low molecular weight polyamine compounds and diols having carboxyalkyl as side chains, alicyclics in polyisocyanate components Polyisocyanate, aliphatic polyisocyanate and aromatic polyisocyanate content ratio (mass ratio), ratio of polyisocyanate to polyol in prepolymer (isocyanate group: molar ratio of hydroxyl group) and obtained by synthesis Table 2 shows the content ratio of the diol-derived component having the carboxyl alkyl as a side chain and the glass transition temperature with respect to the polyurethane resin composition.
  • Aromatic diol a (ester) Polyethylene isophthalate diol (weight average molecular weight 2, 0 0 0) Aliphatic diol b is steal system Polypropylene glycol (weight average molecular weight 2, 0 0 0) Aliphatic diol c is based on poly) ⁇ -force prolacton diol (weight average molecular weight 2, 0 0 0) Aromatic diol d is steal based) Polyethylene isophthalate diol (weight average molecular weight 1, 0 0 0) DMBA 2, 2-dimethylolbutanoic acid
  • Aromatic diol a (I Stell) Polyethylene isophthalate diol (weight average molecular weight 2,000) Aliphatic holole b (I Stell system) Polypropylene glycol (Weight average molecular weight 2,000) Aliphatic photo 'Liool c (ether type) Poly- ⁇ -force prolactone diol (weight average molecular weight 2,000) Aromatic diol d (ester type) Polyethylene isophthalate diol (weight average molecular weight 1, 000) ) DMBA 2, 2-dimethylolbutanoic acid
  • Art paper with a thickness of 150 zm (trade name: OK Kanfuji N, made by Oji Paper Co., Ltd., basis weight 1 74.4 g / m 2 ) is used as the support, and the middle of the following composition is used on one side
  • the layer coating solution B 1 was applied and dried so that the solid coating amount was 15 g Zm 2, and an intermediate layer was formed to obtain a support A 1.
  • Pre-expanded hollow particles mainly composed of acrylic toryl and mesyl chloride torso 50 parts
  • the lower receiving layer coating solution C 1 was applied to the support A 1 so that the solid coating amount was 3 g / m 2 and dried to form a lower receiving layer.
  • the upper layer receiving layer coating solution D 1 was coated on the lower layer receiving layer so that the solid content coating amount was 0.8 g Zm 2 and dried to obtain a receiving sheet.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 0 2 was used instead of Table 1 urethane resin U 0 1 in the preparation of the upper layer receiving layer coating solution D 1.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 0 3 was used instead of Table 1 urethane resin U 0 1 in the preparation of the upper receiving layer coating liquid D 1. It was.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 0 4 was used instead of Table 1 urea resin U 0 1 in the preparation of upper layer receiving layer coating solution D 1. It was.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 0 5 was used instead of Table 1 urea resin U 0 1 in the preparation of the upper receiving layer coating solution D 1. It was.
  • Example 1 Same as Example 1 except that Table 1 Urethane Resin U 0 6 was used instead of Table 1 Urethane Resin U 0 1 in the preparation of the upper receptive layer coating solution D 1. In this way, a reception sheet was obtained.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 07 was used instead of Table 1 urethane resin U 0 1 in the preparation of the upper receiving layer coating liquid D 1.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 08 was used instead of Table 1 urethane resin U 0 1 in the preparation of upper layer receiving layer coating liquid D 1. .
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 09 was used instead of Table 1 urethane resin U 0 1 in the preparation of the upper layer receiving layer coating solution D 1.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 10 was used instead of Table 1 urethane resin U 0 1 in the preparation of the upper layer receiving layer coating solution D 1.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 1 1 was used instead of Table 1 urethane resin U 0 1 in the preparation of the upper receiving layer coating liquid D 1.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 12 was used instead of Table 1 urethane resin U 0 1 in the preparation of upper layer receiving layer coating solution D 1. .
  • a receiving sheet was prepared in the same manner as in Example 1, except that Table 1 urea resin U 14 was used instead of Table 1 urea resin U 0 1. Got.
  • the receiving sheet was prepared in the same manner as in Example 1 except that Table 1 urea resin U 15 was used instead of Table 1 urea resin U 0 1. Got.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U 17 was used instead of Table 1 urea resin U 0 1 in the preparation of upper layer receiving layer coating solution D 1. It was.
  • the receiving sheet was prepared in the same manner as in Example 1 except that Table 1 urethane resin U 18 was used instead of Table 1 urethane resin U 0 1. Obtained.
  • a receiving sheet was obtained in the same manner as in Example 1 except that Table 1 urethane resin U19 was used instead of Table 1 urethane resin U01. It was.
  • Example 2 0> In Example 1, a receiving sheet was obtained in the same manner as in Example 1, except that the upper receiving layer coating solution D2 having the following composition was used instead of the upper receiving layer coating solution D1.
  • Polyester resin 8 8 parts
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1, except that the upper receiving layer coating solution D3 having the following composition was used instead of the upper receiving layer coating solution D1.
  • Emuldione (number average molecular weight: 1500,0g, Tg: 2 3) that was radically polymerized after 2-hydroxy-3-hydroxypropylate was forcibly emulsified.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the upper receiving layer coating solution D4 having the following composition was used instead of the upper receiving layer coating solution D1. (Preparation of upper layer receiving layer coating solution D 4)
  • Carbozyme-based crosslinking agent 1 0 parts
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the upper receiving layer coating liquid D5 having the following composition was used instead of the upper receiving layer coating liquid D1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the upper receiving layer coating solution D6 having the following composition was used instead of the upper receiving layer coating solution D1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the upper receiving layer coating solution D 7 having the following composition was used instead of the upper receiving layer coating solution D 1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the lower receiving layer coating solution C 2 having the following composition was used instead of the lower receiving layer coating solution C 1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1, except that the lower receiving layer coating solution C 3 having the following composition was used instead of the lower receiving layer coating solution C 1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the lower receiving layer coating solution C4 having the following composition was used instead of the lower receiving layer coating solution C1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the lower receiving layer coating solution C 6 having the following composition was used instead of the lower receiving layer coating solution C 1.
  • Polyester emulsion 9 0 parts
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the lower receiving layer coating solution C7 having the following composition was used instead of the lower receiving layer coating solution C1.
  • Polyester emulsion 9 0 parts (Product name: KZA 6 0 3 4, made by nitsica, T g: 7 2)
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the lower receiving layer coating solution C8 having the following composition was used instead of the lower receiving layer coating solution C1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the intermediate layer coating solution B 2 having the following composition was used instead of the intermediate layer coating solution B 1.
  • Pre-expanded hollow particles mainly composed of acrylic toryl and mesyl chloride torso 50 parts
  • Vinyl chloride / vinyl acetate copolymer emulsion 3 0 parts
  • Example 1 an accepting sheet was obtained in the same manner as in Example 1 except that the intermediate layer coating solution B 3 having the following composition was used instead of the intermediate layer coating solution B 1.
  • Vinyl chloride / acrylic copolymer emulsion 3 0 parts
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the intermediate layer coating solution B 4 having the following composition was used instead of the intermediate layer coating solution B 1.
  • Acrylic resin emulsion 30 (Product name: AK 2 10, DIC, T g: 3 5 t)
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the intermediate layer coating solution B 5 having the following composition was used instead of the intermediate layer coating solution B 1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1, except that the support A 2 prepared by the following method was used instead of the support A 1.
  • Polypropylene multilayer film (product name: YUPO FPG 50, manufactured by YUPO Corporation) is laminated on both sides of high-quality paper with a thickness of 100 / zm by the dry lamination method.
  • YUPO FPG 50 manufactured by YUPO Corporation
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the upper receiving layer coating solution D 8 having the following composition was used instead of the upper receiving layer coating solution D 1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the upper receiving layer coating solution D 9 having the following composition was used instead of the upper receiving layer coating solution D 1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the lower receiving layer coating solution C 8 having the following composition was used instead of the lower receiving layer coating solution C 1. (Preparation of lower receiving layer coating solution C 8)
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1, except that the lower receiving layer coating solution C 9 having the following composition was used instead of the lower receiving layer coating solution C 1.
  • Example 1 a receiving sheet was obtained in the same manner as in Example 1 except that the lower receiving layer was not provided.
  • Example 20 except that the lower receiving layer was not provided, Example
  • Example 2 Example 1 except that the lower receiving layer was not provided.
  • Example 3 6 except that the lower receiving layer was not provided, Example The acceptance sheet was obtained in the same manner as in 1.
  • Sublimation type thermal transfer ink ribbon (Product name: UP-5400, manufactured by Sony Corporation
  • the print density of black evening is 2.0 or more and less than 2 ⁇ . It can be used without any practical problem.
  • the print density of black evening is 1.7 or more and less than 2.0, which is practical.
  • Black evening print density is less than 1.7, not suitable for practical use.
  • Sublimation type thermal transfer ink ribbon (Product name: UP-5400, manufactured by Sony Corporation
  • the image is measured so that the image density when measured with a Macbeth reflection densitometer RD 9 14 is in the range of 0.o to 0.7.
  • the images were printed, and the dot reproducibility of the images was visually evaluated according to the following criteria.
  • thermo transfer video printer (trade name: UP—50, manufactured by Sony Corporation) equipped with a sublimation type thermal transfer ink crypon (trade name: UP—540, manufactured by Sony Corporation) An evening print was performed.
  • the black printed image obtained was processed with an X e fade meter until the integrated illuminance reached 10, OOO k J Zm 2 .
  • the color tone of the image before and after the light resistance test was measured using a color difference meter (Daretag) in accordance with JISZ 8 7 2 1.
  • the measured values are recorded in the L * a * b * color system based on JISZ 8 7 2 9 and the color difference ( ⁇ ⁇ *) before and after processing is calculated by the method based on JISZ 8 7 30. evaluated.
  • A: ⁇ E * is less than 7, and there is no problem in practical use.
  • ⁇ : ⁇ E * is 7 or more and less than 10 and is practical.
  • ⁇ : ⁇ ⁇ * is 10 or more and less than 1 3 and is practical.
  • X: ⁇ E * is 13 or more, which is not suitable for practical use.
  • ⁇ The black thin line does not show any bleeding even when observed with a magnifier, and there is no problem in practical use.
  • ⁇ The black thin line is slightly blurred by magnifying glass, but it is practical.
  • ⁇ The black thin line is slightly blurred by visual observation, but is practical.
  • ⁇ Some noise is caused by light fusion between the receiving sheet surface and the ink lip, but all 10 sheets are ejected and are practical.
  • the thermal transfer receiving sheets of Examples 1 to 2 have high print density, sharpness of the image, light resistance of the print image, high temperature and high humidity. It is a thermal transfer receptive sheet with excellent environmental preservation and running properties. still
  • the present invention can provide a thermal transfer receptive sheet having a high print density, excellent image sharpness, light fastness of a print image, excellent storage stability and running property in a high temperature and high humidity environment, and is used for photographic applications. It is possible and extremely useful in practice.

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

L'invention porte sur une feuille de réception à transfert thermique qui comporte un support et deux couches réceptrices disposées sur le support et ayant des propriétés de teinture. La couche réceptrice supérieure comporte une résine pouvant être teinte ayant une température de transition vitreuse de -10 à 40°C et une résine de copolymère de polysiloxane, et la couche réceptrice inférieure comporte une résine pouvant être teinte ayant une température de transition vitreuse de 45 à 80°C. La résine pouvant être teinte contenue dans la couche réceptrice supérieure est, de préférence, une résine d'uréthane, et la résine pouvant être teinte contenue dans la couche réceptrice inférieure est, de préférence, une résine de chlorure de vinyle.
PCT/JP2008/069995 2007-10-30 2008-10-28 Feuille de réception à transfert thermique Ceased WO2009057800A1 (fr)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011016293A (ja) * 2009-07-09 2011-01-27 Kao Corp 熱転写受像シートの製造方法
JP2011037245A (ja) * 2009-08-18 2011-02-24 Sony Corp 樹脂組成物、被熱転写シート及び被熱転写シートの製造方法
JP2011051186A (ja) * 2009-09-01 2011-03-17 Oji Paper Co Ltd 熱転写受容シート
JP2013001066A (ja) * 2011-06-21 2013-01-07 Kao Corp 熱転写受像シート
US20210317247A1 (en) * 2018-07-27 2021-10-14 Rohm And Haas Company Silicone-acrylic polymer particles

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Publication number Priority date Publication date Assignee Title
JPH01291991A (ja) * 1988-05-20 1989-11-24 Nisshinbo Ind Inc 昇華型感熱転写受像紙
JPH06286350A (ja) * 1993-03-31 1994-10-11 Konica Corp 受像シート、受像シートの製造方法、画像の保護方法、画像記録体および画像記録体の製造方法
JPH10337969A (ja) * 1997-06-06 1998-12-22 Daicel Chem Ind Ltd 熱転写記録用樹脂組成物および受像体
JP2001105746A (ja) * 1999-10-14 2001-04-17 Oji Paper Co Ltd 熱転写受容シート
JP2003305961A (ja) * 2002-04-15 2003-10-28 Dainippon Ink & Chem Inc 熱転写記録用受像シート用組成物、及びそれを使用してなる熱転写記録用受像シート

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01291991A (ja) * 1988-05-20 1989-11-24 Nisshinbo Ind Inc 昇華型感熱転写受像紙
JPH06286350A (ja) * 1993-03-31 1994-10-11 Konica Corp 受像シート、受像シートの製造方法、画像の保護方法、画像記録体および画像記録体の製造方法
JPH10337969A (ja) * 1997-06-06 1998-12-22 Daicel Chem Ind Ltd 熱転写記録用樹脂組成物および受像体
JP2001105746A (ja) * 1999-10-14 2001-04-17 Oji Paper Co Ltd 熱転写受容シート
JP2003305961A (ja) * 2002-04-15 2003-10-28 Dainippon Ink & Chem Inc 熱転写記録用受像シート用組成物、及びそれを使用してなる熱転写記録用受像シート

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011016293A (ja) * 2009-07-09 2011-01-27 Kao Corp 熱転写受像シートの製造方法
JP2011037245A (ja) * 2009-08-18 2011-02-24 Sony Corp 樹脂組成物、被熱転写シート及び被熱転写シートの製造方法
JP2011051186A (ja) * 2009-09-01 2011-03-17 Oji Paper Co Ltd 熱転写受容シート
JP2013001066A (ja) * 2011-06-21 2013-01-07 Kao Corp 熱転写受像シート
US20210317247A1 (en) * 2018-07-27 2021-10-14 Rohm And Haas Company Silicone-acrylic polymer particles
US11802174B2 (en) * 2018-07-27 2023-10-31 Rohm And Haas Company Silicone-acrylic polymer particles

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