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WO1990001419A1 - Support d'enregistrement sensible a la chaleur - Google Patents

Support d'enregistrement sensible a la chaleur Download PDF

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Publication number
WO1990001419A1
WO1990001419A1 PCT/JP1989/000788 JP8900788W WO9001419A1 WO 1990001419 A1 WO1990001419 A1 WO 1990001419A1 JP 8900788 W JP8900788 W JP 8900788W WO 9001419 A1 WO9001419 A1 WO 9001419A1
Authority
WO
WIPO (PCT)
Prior art keywords
recording medium
layer
dye
resin
receiving layer
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/JP1989/000788
Other languages
English (en)
Japanese (ja)
Inventor
Hideo Fujimura
Haruo Takeuchi
Katsuyuki Oshima
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to EP89908881A priority Critical patent/EP0394460B1/fr
Priority to JP1508371A priority patent/JP2986496B2/ja
Priority to DE68928514T priority patent/DE68928514T2/de
Publication of WO1990001419A1 publication Critical patent/WO1990001419A1/fr
Anticipated expiration legal-status Critical
Priority to US07/950,699 priority patent/US5296446A/en
Ceased legal-status Critical Current

Links

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
    • B41M5/52—Macromolecular coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B41M5/5209—Coatings prepared by radiation-curing, e.g. using photopolymerisable compositions
    • 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
    • B41M5/5227—Macromolecular coatings characterised by organic non-macromolecular additives, e.g. UV-absorbers, plasticisers, surfactants
    • 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
    • B41M5/5272—Polyesters; Polycarbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
    • B41M7/0027—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers by lamination or by fusion of the coatings or layers

Definitions

  • the present invention relates to a recording medium used in a thermal transfer recording system for performing printing or image formation by a heating printing means such as a thermal head, and particularly relates to a thermal transfer sheet provided with a dye-carrying layer.
  • the present invention relates to a thermosensitive recording medium used in combination.
  • the thermal transfer sheet is used in combination with a thermal transfer sheet having a thermal transfer containing a dye which can be transferred by heating, and the thermal transfer layer and the image receiving layer are overlapped so as to be in contact with each other.
  • the image is heated by a thermal head such as a thermal head that generates heat under the control of an air signal according to the image information, and the dye in the thermal transfer layer is transferred to the image receiving 11 so that characters and images, especially natural color photographic tones, are transferred.
  • a thermal head such as a thermal head that generates heat under the control of an air signal according to the image information
  • the dye in the thermal transfer layer is transferred to the image receiving 11 so that characters and images, especially natural color photographic tones, are transferred.
  • a heat-sensitive recording medium capable of forming two-tone images
  • a heat-sensitive image receiving sheet is known as a typical example.
  • the heat transfer layer (dye layer) and the image receiving layer (dye receiving layer) are thermally fused by heating during printing with a heat-sensitive printer, so that good release of the heat transfer sheet and the recording medium is achieved.
  • a mold release agent has been mixed in the resin for forming the dye receiving layer.
  • the present invention has been made in view of the above problems, and has as its object to provide a heat-sensitive recording medium having a dye-receiving layer which is excellent in releasability and excellent in heat resistance.
  • thermosensitive recording medium 1 to 8 are sectional views of a thermosensitive recording medium according to the embodiment of the present invention.
  • thermosensitive recording medium of the present invention basically comprises a substrate 1 and a dye-receiving layer formed on the substrate 1. Consists of two.
  • a heat-sensitive recording medium of the present invention is a heat-sensitive recording medium used in combination with a heat transfer sheet carrying a dye capable of transferring by heating. It comprises a substrate and a dye-receiving layer provided on at least one side of the substrate, and the dye-receiving layer undergoes a crosslinking reaction S on the resin having a crosslinking reactive group. It is characterized by being formed by crosslinking and curing with an additive. Further, it is characterized in that an additive having a cross-linking reactive group is excessively added to a resin having a cross-linking reactive group in the dye-receiving layer.
  • a release agent having a crosslinkable reactive group may be contained as a material constituting the dye receiving layer.
  • the substrate 1 as a support used in the present invention plays a role of supporting the dye receiving layer 2, and its quality is not particularly limited, and is appropriately selected according to the application.
  • films, sheets, and board materials made of synthetic resin, various kinds of paper, and the like are used.
  • Taisei resin film (or sheet, plate) is made of polyester, vinyl chloride, polypropylene, polyethylene, polycarbonate, polyamide, etc. Things can be used.
  • a white base material formed by adding a filler to the two synthetic resin films or the like, or a foamed base material that has been finely foamed can be used.
  • high-quality paper, coated paper, cast-coated paper, synthetic rubber latex or impregnated paper of synthetic resin emulsion can be used, and furthermore, polyolefin resin or Other synthetic resins are used as resin components, to which inorganic fillers are added, mixed and extruded, or polystyrene resins, polyester resins, polyrefs.
  • Synthetic papers such as those produced by applying an extender to the surface of a film such as a thin resin.
  • a laminate made of any combination of the above base materials can be used.
  • typical laminates include synthetic paper of cellulose fiber paper and synthetic paper or synthetic paper of cellulose fiber paper and plastic film or sheet.
  • the thickness of these base materials may be arbitrarily set, for example, a thickness of about 10 to 8 m is generally used.
  • the substrate has poor adhesion to the dye receiving layer, it is desirable to apply a primer treatment or a corona treatment to the surface thereof. If the substrate is not required depending on the composition of the dye receiving layer,
  • the dye receiving layer is for forming a thermal transfer image, can receive a dye transferred from the thermal transfer sheet during thermal transfer, and has a resin having a crosslinkable reactive group and a crosslinkable reactive group. It is basically composed of additives.
  • the receiving layer can be formed by additionally adding a release agent having a crosslinkable reactive group in addition to the above resin and additives.
  • the crosslinkable reactive group in the present invention includes: (1) thermosetting Reactive groups (eg, — 0 H, — NH, one C 0 0 H, one CONH, one CONH—, one NCO,
  • Reactive groups having ultraviolet or electron beam curability eg, vinyl group, acryl group, methacryl group, aryl group, etc.
  • a cross-linkable reactive group as described above may be used alone or in a plurality of molecular chains (one type of reactive group or a different type of reactive group may be used).
  • the release agent is modified by having one or more crosslinkable reactions S as described above in the molecular chain (which may be the same type of reactive groups or different types of reactive groups). Modified silicone, modified fluorine, long-chain aliphatic hydrocarbon compounds, waxes and the like.
  • polyisocyanates (—NC 0 or more 2), polyols (100 H or more 2), polyamines (—NH 2 And two or more), and polycarboxylic acid (two or more —COOH), and the like.
  • the cross-linkable reactive group of the above (1) is used alone in the molecular chain as an ultraviolet or electron beam-curable compound. Or a plurality of monomers (the same type of reactive groups or different types of reactive groups may be used).
  • the dye receiving layer in the present invention is a resin capable of receiving a dye.
  • the properties such as elongation, heat resistance, flexibility and surface activity of the dye receiving layer after crosslinking and curing can be appropriately adjusted.
  • thermosensitive recording medium when the dye is transferred to the dye receiving layer by heating, the printing surface is embossed by the thermal head due to the heating of a certain degree or more, and the reflection density is increased. There is a case where the current i occurs where a certain level ⁇ EJ does not increase (saturated or reaches a plateau).
  • the present inventor has used an isocyanate compound having two or more isocyanate groups as the additive. Used and in excess of resin It has been found that the use of additives is very effective.
  • the equivalent ratio of the equivalent of the isocyanate group of the additive to the equivalent of the crosslinkable reactive group of the resin is in the range of 2: 1 or 10: 1. It is preferable to prevent the above problem. If the equivalent ratio is less than 2: 1, there is a problem that when printing is performed with ⁇ energy, the printing surface is matted, and the printing surface becomes cloudy. On the other hand, if the equivalent ratio exceeds 10: 1, the printing sensitivity is lowered and the storage stability of the printed matter is lowered, which is not preferable.
  • the release agent is preferably added in an amount of about 1 to 20 parts by weight based on 10 parts by weight of the resin capable of accepting the dye. If this range is not satisfied, for example, if the addition amount is small, thermal printing sheet will be thermally fused to print, and good printed matter will not be obtained, while if the addition amount is too large, the storage stability of the printed matter will be low. And the printed image is blurred.
  • a catalyst may be added to promote crosslinking or curing of the resin constituting the receiving layer.
  • a catalyst to increase the reaction rate of isocyanate.
  • a tertiary amine compound or a metal compound is conventionally used industrially.
  • the above-mentioned conventional catalysts are different from those of the present invention. It may not always be preferable to use it for the receptor layer of a heat-sensitive recording medium.
  • a tertiary amine compound is used as a catalyst, a phenomenon occurs in which the storage stability of printed images (particularly, heat resistance and weather resistance) is weaker than when no catalyst is added.
  • the above problems can be solved by using an organometallic compound as a catalyst, particularly by using a dibutyltin-based or octyltin-based organometallic compound.
  • dibutyltin catalysts include dibutyltin dilaurate, dibutyltin oxide, dibutyltin dichloride, dibutyltin di-2-ethylhexyl thioglycolate, dibutyltin di (monobutyl) maleate, dibutyltin Di (monononyl) maleate, dibutyltin diacetate, dibutyltin mercaptide, dibutyltin-mercaptopropionate, dibutyltinthiocarboxylate, and dibutyltindi-2-ethylhexoate are preferred. Used.
  • Dioctyltin-based catalysts include octyltin dilaurate, dioctyltinthioglycolate, dioctyltin-mercaptopropionate, and dioctyltin 1,4-butanediolbis (menolecaptoacetate).
  • Dioctyltin maleate Dioctyltin maleate polymer, Dioctyltin dimer (1,2-Propylene glycol maleate), Dioctyltin diester (dibutyl) maleate, Dioctyltin bis (2 -Methylhexyl maleate), dioctyltin bis (lauryl thioglycolate), dioctyltin oxide, dioctyltin dichloride, monooctyltin dichloride, trioctyl tin dichloride .
  • organometallic compounds include stannous octoate, lead octoate, cobalt naphthenate, stannous chloride, stannic chloride, tetra-n-butyltin, tetraphenyltin, trimethyltin Tiluzuhydroxide, dimethinole-2-tin chloride may be used.
  • dioctyltin compounds are preferably used in terms of the toxicity of the compounds.
  • the amount of the catalyst to be added is preferably from 0.01 to 10 parts by weight, preferably from 0.1 to 10 parts by weight, per 100 parts by weight of the resin having a functional group that reacts with the isocyanate group. 1 part by weight is good. When the amount is less than 0.01 part by weight, the reaction accelerating effect is not exhibited (reaction time is delayed). On the other hand, when the amount is more than 10 parts by weight, the force for exhibiting the reaction promoting effect ⁇ and the pot life of the ink (pot life) become short.
  • the above-mentioned catalysts can be used alone or in combination of two or more.
  • an ink composition for forming a receiving layer prepared by preparing a resin capable of containing the above dye and an additive (and a releasing agent) with a solvent or the like is prepared. Is applied to the support by a forming method such as a gravure printing method, a screen printing method, and a reverse roll coating method using a gravure plate, and then dried. In the case of using an ultraviolet ray or an electron beam curable as a crosslinkable reactive group, the crosslinkable group is cured by irradiation with an ultraviolet ray or an electron beam.
  • the thickness of the dye receiving layer is about 1 to 20 m, preferably 2 to 10 m.
  • the heat-sensitive recording medium of the present invention can be applied to various uses such as an image-receiving sheet, a card, and a sheet for producing a transmission-type original by appropriately selecting a support. Additional formation layer
  • the heat-sensitive recording medium of the present invention can be provided with another layer or subjected to various treatments as described below, as necessary.
  • an antistatic treatment can be applied to the front surface or the rear surface.
  • This antistatic treatment is performed, for example, by including an antistatic agent in the dye-receiving layer serving as the front side surface or by providing the antistatic agent on the dye-receiving layer surface as an antistatic agent layer. It can be performed. This process makes it possible for the recording media to slide smoothly, as well as dust and dirt on the recording media. It has the effect of preventing the adhesion of the like.
  • a cushion layer can be provided between the base material and the receiving layer, and when a cushion layer is provided, noise is reduced and an image corresponding to image information is transferred and recorded with good reproducibility.
  • the material constituting the cushion layer include a urethane resin, an acrylic resin, an ethylene resin, a butadiene rubber, and an epoxy resin.
  • the heat of the cushion layer is preferably about 2 to 20 ⁇ m.
  • a lubricating layer can be provided on the back surface of the substrate.
  • the lubricating layer may be made of a methyl acrylate resin such as methyl methacrylate or a corresponding acrylate resin, or a vinyl-based resin such as a vinyl chloride-vinyl acetate copolymer. Resin etc. are exposed. Further, organic or inorganic fine particles can be added to the lubricating layer to control lubrication.
  • a detection mark on a recording medium.
  • the detection mark is extremely useful when positioning the thermal transfer sheet with the recording medium.
  • a detection mark that can be detected by a light tube detection device may be provided on the back of the base material by printing or the like. it can.
  • pre-cards such as ticket purchase cards and telephone cards have a magnetic recording layer provided on the surface of a base material such as a polyester resin sheet, and the surface thereof is decorated.
  • a colored layer such as silver is formed to protect the magnetic recording layer and the magnetic recording layer, and the other side is decorated, advertised, advertised, and printed.
  • the medium is in card form, and a magnetic recording layer is provided on at least one of the entire surface or a part of the base material, so that the magnetic card also serves as the heat-sensitive recording medium.
  • a magnetic card can be configured as follows.
  • the dye receiving layer is made of a material obtained by curing a specific crosslinkable resin, unevenness and curl due to heat during printing can be reduced. Magnetic force can be obtained.
  • the heat resistance of the magnetic force is further improved by separately providing a back layer made of a crosslinkable resin on the upper surface of the magnetic recording layer of the magnetic card, and the thermal transfer during thermal transfer is performed.
  • a magnetic card free from unevenness and curl when heated by a head is provided.
  • FIG. 2 and FIG. 3 are diagrams schematically showing cross sections of an example in which the present invention is applied to a magnetic force.
  • the magnetic force of the present invention has a magnetic 5 d recording layer 12 and a magnetic protective layer 13 on a base material 1, and a magnetic transfer layer provided with a receiving layer 14 of an apple transfer dye on the other side.
  • the card is characterized in that the back surface layer 13 is formed using a crosslinkable resin as a binder.
  • the example in FIG. 2 is an example in which the back layer 13 is a colored concealing layer alone using a metal powder, a pigment or a dye as a coloring agent, and a crosslinkable resin as a binder
  • the example in FIG. Reference numeral 3 is an example in which a colored concealing layer 31 containing a coloring agent and a transparent back surface protective layer 32 are formed.
  • both the colored layer 31 and the back surface protective layer 32 may be formed from a crosslinkable resin, or only one of them may be used.
  • the magnetic force of the present invention is substantially the same as the conventional magnetic force except that the colored concealing layer and the Z or back surface protective layer are made of a crosslinkable resin.
  • a crosslinkable resin is a resin in which, after forming a layer, the resin molecules are bonded to each other or formed between the molecules by a polymerization initiator or by a polymerization initiator.
  • the crosslinkable resin itself is known in the field of conventional coatings or printing.
  • a resin that forms a crosslinked structure a hydroxyl group, an amino group, a carboxyl group, a carboamide group, an acid amide group, an isocyanate group, a glycidyl group, Resins or oligomers having a thiol group, a vinyl group, an acryl group, a methacryl group, a acryl group and the like can be mentioned. More specifically, amino resins, urea resins, phenol resins, melamine resins, alkyd resins, cellulose resins, acrylic resins, Vinyl resin, polyester resin, polyamide resin, polyurethane resin, acrylpolyol, acrylurethane, unsaturated polyester resin, and modified resins thereof. There is no particular limitation.
  • a two-component resin crosslinked by a crosslinking agent such as a thermosetting resin, a polyisocyanate, a polyol, a polyamide, or a polycarboxylic acid, which is crosslinked by heating.
  • a crosslinking agent such as a thermosetting resin, a polyisocyanate, a polyol, a polyamide, or a polycarboxylic acid
  • examples thereof include room temperature-curable resins that are crosslinked by a catalyst, and photocurable resins that are crosslinked by ultraviolet rays or electron beams.
  • a coloring agent such as a metal powder pigment, a colored pigment, a white pigment, or a dye is mixed therein, and if necessary, a dilution of an organic solvent or the like is performed by ffl.
  • the surface of the magnetic recording layer is applied to the magnetic recording layer by a conventional means such as a gravure printing method, a screen printing method, a gravure offset printing method, or a gravure coating method. It is formed by coating and drying and curing.
  • the thickness of these colored layers may be about 1 to 20 m.
  • the crosslinking density of the formed layer can be changed depending on the kind of binder used, the amount of the crosslinking agent or the amount of light irradiation, but if the degree of crosslinking is too low, the object of the present invention is insufficiently achieved. Also, if the cross-linking density is too high, the flexibility is insufficient, and peeling of the coating film or cracks may occur.
  • cross-linking density that does not deform the substrate is preferable.
  • Such crosslink density can easily be determined experimentally.
  • the molecular weight per crosslinking point is about 1, ⁇ ⁇
  • a range of 50, 000 is preferred.
  • crosslinking method any of heat curing, room temperature curing, light hardness and the like can be used, but when a relatively high degree of crosslinking is required, light curing is suitable.
  • the back surface layer may be the above-mentioned colored concealing layer alone, as shown in FIG. 2, or may be composed of two layers of the colored concealing layer and the back surface protective layer as shown in FIG. In the case of a two-layer structure, it may be formed from a two-layer co-crosslinked resin, or only one of them may be used.
  • the formation of the back surface protective layer may be the same as the above-mentioned colored concealing layer except that no coloring agent is used and a transparent layer is used.
  • an antistatic layer may be provided on the surface of the dye receiving layer for the purpose of preventing generation of static electricity.
  • a dye receiving layer 43 is provided on one side of a force base 42, and an antistatic treatment layer 44 is further provided on the surface of the dye receiving layer 43. is there.
  • the antistatic treatment layer 44 employs a known antistatic method, for example, anionic surfactants such as alkyl sulfates and alkyl phosphates, polyoxyalkylene alkyl ethers, and polyoxyalkylenes.
  • anionic surfactants such as alkyl phenyl ether, polyoxyalkylene fatty acid ester, polyoxyalkylene sorbitan fatty acid ester, sorbitan fatty acid ester, and cationic interface such as alkylamine salt and quaternary ammonium salt
  • Surfactants such as surfactants and amphoteric surfactants such as alkyl betaines may be applied to form them, but there is a problem that durability is poor.
  • a siloxane-based support, a polymer having a quaternary ammonium salt in a side chain, or the like can be used as an antistatic agent.
  • the thickness of the antistatic treatment layer 44 is preferably 0.001 to Lm, particularly preferably 0.01 to 0.1 m.
  • Antistatic treatment layer 4 4 surface resistance value 1 0 ° ⁇ : L 0 9 ⁇ ⁇ ⁇ that it is preferable arbitrariness.
  • the magnetic recording layer 45 is provided on the back surface of the force base material 42, and the color of the magnetic recording layer 45 is hidden on the back surface of the magnetic recording layer 45.
  • a silver-colored concealing debris 46 is provided, and a back surface protective layer 47 and an anti-banding treatment layer 48 are sequentially provided on the back surface.
  • the silver-colored concealing debris 46 can be constituted by an ink or the like in which a metal powder such as an aluminum powder is dispersed in a binder such as polyurethane, polyester, or acrylic resin.
  • the back surface protective layer 47 can be made of vinyl resin such as acrylic resin, polyurethane, or vinyl chloride-vinyl acetate copolymer.
  • the antistatic treatment layer 48 on the back side is formed in the same manner as the antistatic treatment layer 44 on the front side. It is not always necessary to provide the antistatic treatment layer 48 on this side, but if the antistatic treatment layer 48 is also provided on the back side, a further ⁇ prevention effect can be obtained. Is better.
  • 49 is a bar code provided as needed, and 10 and 41 are print layers provided in advance.
  • the printing layer 10 on the side of the dye receiving layer 43 is not limited to being provided on the upper side of the dye receiving layer 43, and may be provided on the lower side.
  • an intermediate layer 52 such as a cushion layer and a porous layer can be provided between the dye receiving layer 43 and the card base 42 as shown in FIG.
  • the intermediate layer 52 is made of, for example, a urethane resin, an acrylic resin, an ethylene resin, a bush rubber, an epoxy resin or the like, and its thickness is preferably about 2 to 20 m.
  • the card 60 shown in FIG. 6 has a cover film 69 provided on the surface of the dye receiving layer 63 and the surface of the card base 62, respectively.
  • reference numeral 65 denotes an adhesive layer.
  • the material of the cover film include acrylic, polyvinyl chloride, polyester, vinyl chloride-vinyl acetate copolymer, and vinyl resin.
  • the card 60 shown in FIG. 7 is formed by forming a dye receiving layer 63 on a part of the surface of the card base material 62, and the dye receiving layer 63 on the surface of the base material 62 is formed. c the provided portion not one in which the scan Bae one server 6 6 a provided comprising configuration ⁇ to the When the spacer is provided partially by providing the spacer 66 in this way, the unevenness of the cover film can be eliminated.
  • a synthetic resin having the same material as the above cover film can be used as the material of the above cover film.
  • a concave portion 67 for accommodating the dye receiving layer 63 is provided on a part of the surface of the card group 62, and the dye receiving layer 63 is formed in the concave portion 67.
  • the unevenness of the cover film 64 can be eliminated.
  • the ink composition for forming a dye-receiving layer is made up of a reactive resin having a crosslinking reaction S as shown in Tables 1 and 2 and a reactive releasing agent having a crosslinking reactive group and an additive.
  • a reactive resin having a crosslinking reaction S as shown in Tables 1 and 2
  • a reactive releasing agent having a crosslinking reactive group and an additive prepared c using graphene via reverse roll co one tee in g method this I Nki composition, thickness 1 0 0 m of white polyethylene Nterefu sauce one Tofui Lum (manufactured by Toray Industries: Noremi La one E- 2 0) to a predetermined Coating was performed so as to obtain a film thickness when dried.
  • the ink composition of Example 14 contained 0.5 parts by weight of benzofuyunone.
  • thermo-crosslinking type the sheet was heated at 12 ⁇ for 1 ⁇ minute in an oven block to prepare an image-receiving sheet having a dye-receptive cross-linked.
  • UV curing type uses a high-pressure mercury lamp (C 80 W / cm. 3 lamps), and cures by irradiating UV.
  • the electron beam curing type uses an EB irradiator (made by ESI). Curing was performed by irradiating an electron beam with a rectangular curtain (175 KV, 3 Mard), and an image-receiving sheet having a dye-receiving layer crosslinked and cured by each method was prepared.
  • a dye transfer layer forming ink of the following composition is printed by gravure printing on the front side of a polyester film of thickness 4 with a heat-resistant lubricating layer on the back side, and the coating amount when dried is 1.
  • a 1 g Znf dye transfer layer was formed to prepare a transfer sheet.
  • the transfer layer of the sheet and the dye receiving layer surface of the image receiving sheet are superimposed on each other so as to be opposed to each other, and print recording is performed by a thermal head under the following printing conditions. I went.
  • the coefficient of friction of the image receiving layer surface was measured according to ASTM D 1894-78. Note that s and, in the table are
  • Reactive resin parts
  • Reactive mold release parts
  • Reactive mold release IIB part
  • Dye acceptors Forming inks Ingredients Curing reaction Reactive resin (lightning parts) Reactive release agent ( ⁇ parts) Reactive release agent (parts) Reactive additive (is parts ) Type Hydroxishetinoresamino modification TDI difficult
  • Dye receiving layer Forming composition Ink composition Curing reaction Reactive resin (parts by weight) Reactive release (parts by weight) Reactive release (parts by weight) Reactive addition (parts) Type Polyef ⁇ "Nore; l ⁇ ill
  • the recording medium of the present invention is capable of receiving a dye transferred from a thermal transfer sheet by heating and having a resin having a crosslinkable reactive group and a release agent having a crosslinkable reactive group. Since the dye-receiving layer obtained by crosslinking and curing the dye has a length of 1 mm, it has excellent releasability and excellent heat resistance. Further, the recording medium of the present invention is excellent in releasability and heat resistance by forming a dye receiving layer by crosslinking and curing an additive having a bridging reactive group in addition to the resin and the release agent. In addition, it has a dye receiving layer excellent in various properties such as elongation, heat resistance, flexibility, and surface activity.
  • the image receiving layer has a three-dimensional crosslinked structure, high-sensitivity, high-density printing is possible, and further, thermal transfer recording I with good image storability after printing is performed. Can be.
  • Example 2 In the same manner as in Example 1, an image receiving sheet having a dye receiving layer having the composition shown in Tables 1 and 2 was prepared, and various performance tests were performed. Table 4 shows the results. 1 in Table 3
  • Example A 1 (20) Silicone oil (1) Silicone oil (1) Polyisocyanate (3) 3.0
  • Example A 2 (20) Silicone oil (1) Silicone oil (1) Polyisocyanate (4) 5.0
  • Example A3 (20) Silicone oil) Silicone oil (1) Polyisocyanate (7) 8.0
  • Receptive layer composition NCO / resin (parts by weight) Release agent (parts by weight) Release agent (heavy !: parts) Hardening ⁇ (parts) OH polyester resin Amino modified Epoxy modified HDI modified
  • Example A 7 (20) Silicone oil (1) Silicone oil (1) Polyisocyanate (4) 5.0
  • Receptive layer composition NCO / resin parts by weight
  • Mold release far part
  • Mold release agent parts by weight
  • ⁇ parts by weight
  • an image receiving sheet having a dye receiving layer having the following composition was prepared in the same manner as in Example 1, and the thermal fading rate and the photo fading rate were measured. Table 5 shows the results.
  • Example B 3 Dibutyltin diacetate 9.2 1.1
  • Example B4 Dioctyltin dilaurate 9.6 10.4 1 minute
  • Example B5 Dioctyltin dimaleate 8.9 10.7
  • Comparative example B 1 (no catalyst added) 9. 3 10. 4 10 minutes Comparative example B 2 Triethylendamine 31.2 20.0
  • a magnetic paint was applied and dried according to a conventional method to form a magnetic recording layer having a thickness of 5 m.
  • the ink for each colored concealing layer having the following composition was applied to a thickness of 5 m when dried by Daravia offset printing method and dried and cured to form a colored concealed layer (Examples 3, 4 and 8 further show the results).
  • An ink for a backside protective layer having the following composition was applied on the upper surface by a gravure offset printing method to a thickness of 2 nm when dried and then dried and cured to form a backside protective layer).
  • Polyester resin 20 parts Amino-modified silicone oil 1 part Epoxy-modified silicone oil 1 part TDI-modified polyisocynate 1 part Methylethyl ketone 4 parts Toluene 40 parts
  • Example C 3 (colored concealing layer + backside protective layer)
  • Polyurethane resin 30 parts Isocyanate curing agent 2 parts Toluene 70 parts Curing method-heat curing Example C 4 (colored concealing layer + backside protective layer)
  • Example C 8 (colored hiding layer + backside protective layer)
  • Mouth-modified maleic resin 3 parts
  • Isocyanate curing agent 5 parts 7 parts of toluene Curing method-Thermal curing
  • Vinyl chloride Z g Vinyl acid copolymer resin 30 parts Cosmetic 10 parts Methyl ethyl ketone 30 parts Toluene 30 parts Comparative example C 2
  • the applied voltage was set to 3 levels with a thermal head using a thermal transfer method to the dye receiving layer of the magnetic card of the magnetic card of the above embodiment and the comparative example.
  • Table 6 the results shown in Table 6 below were obtained.
  • the magnetic card of the present invention has no irregularities or curls even when high-density printing is performed. Can do exactly.
  • the thermal recording medium of the present invention can be widely used as a recording medium for a thermal transfer recording system in which printing or image formation is performed by heating printing means such as a thermal head. You. Further, the thermal recording medium of the present invention may be used as a medium in force mode, for example, as a magnetic card provided with thermal recording means.

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

Le support d'enregistrement thermosensible ci-décrit est utilisé en combinaison avec une feuille de transfert de chaleur comportant des colorants susceptibles de migrer lorsqu'ils sont chauffés. Ledit support d'enregistrement thermosensible se compose d'un substrat (1) et d'une couche d'acceptation de colorant (2) formée sur au moins l'une des surfaces du substrat (1) et cette couche d'acceptation de colorant (2) se compose du produit réticulé et polymérisé d'une résine possédant un groupe de réaction réticulable, par l'utilisation d'un additif comportant un groupe de réaction réticulable.
PCT/JP1989/000788 1988-08-13 1989-08-01 Support d'enregistrement sensible a la chaleur Ceased WO1990001419A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP89908881A EP0394460B1 (fr) 1988-08-13 1989-08-01 Support d'enregistrement sensible a la chaleur
JP1508371A JP2986496B2 (ja) 1988-08-13 1989-08-01 感熱記録媒体
DE68928514T DE68928514T2 (de) 1988-08-13 1989-08-01 Wärmeempfindliches speichermedium
US07/950,699 US5296446A (en) 1988-08-13 1992-09-25 Thermosensitive recording material

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
JP20212588 1988-08-13
JP63/202125 1988-08-13
JP63/204132 1988-08-17
JP20413288 1988-08-17
JP22642788 1988-09-12
JP63/226427 1988-09-12
JP63/246143 1988-09-30
JP24614388 1988-09-30

Publications (1)

Publication Number Publication Date
WO1990001419A1 true WO1990001419A1 (fr) 1990-02-22

Family

ID=27476091

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1989/000788 Ceased WO1990001419A1 (fr) 1988-08-13 1989-08-01 Support d'enregistrement sensible a la chaleur

Country Status (3)

Country Link
EP (1) EP0394460B1 (fr)
DE (1) DE68928514T2 (fr)
WO (1) WO1990001419A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020224A1 (fr) * 1998-10-08 2000-04-13 Matsushita Electric Industrial Co., Ltd. Couche receptrice et recepteur d'images pour impression par transfert thermique
WO2015052821A1 (fr) * 2013-10-07 2015-04-16 リンテック株式会社 Agent de revêtement pour l'impression et film à revêtement pour l'impression

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Publication number Priority date Publication date Assignee Title
DE59200752D1 (de) * 1991-03-15 1994-12-15 Agfa Gevaert Ag Farbakzeptorelement für den Thermosublimationsdruck.
WO1993010978A1 (fr) * 1991-11-25 1993-06-10 Agfa-Gevaert Naamloze Vennootschap Procede de fabrication d'une image coloree monochrome, teintee thermiquement
US5266551A (en) * 1992-08-03 1993-11-30 Eastman Kodak Company Thermal dye transfer receiving element with polycarbonate polyol crosslinked polymer dye-image receiving layer
US5411931A (en) 1994-06-24 1995-05-02 Eastman Kodak Company Thermal dye transfer receiving element with polycarbonate polyol crosslinked polymer

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JPS6387285A (ja) * 1986-09-30 1988-04-18 Dainippon Printing Co Ltd 粘着剤層付き被熱転写シ−ト

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JPS627594A (ja) * 1985-07-04 1987-01-14 Sony Chem Kk 昇華転写用透明被転写体
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JPS6327367U (fr) * 1986-08-08 1988-02-23
JPS6367189A (ja) * 1986-09-10 1988-03-25 Mitsubishi Rayon Co Ltd 昇華型感熱転写記録方式の被記録体
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000020224A1 (fr) * 1998-10-08 2000-04-13 Matsushita Electric Industrial Co., Ltd. Couche receptrice et recepteur d'images pour impression par transfert thermique
US6673744B1 (en) 1998-10-08 2004-01-06 Matsushita Electric Industrial Co., Ltd. Thermal transfer recording image receiving layer and thermal transfer recording image receiver
WO2015052821A1 (fr) * 2013-10-07 2015-04-16 リンテック株式会社 Agent de revêtement pour l'impression et film à revêtement pour l'impression
JP5844010B2 (ja) * 2013-10-07 2016-01-13 リンテック株式会社 印刷用コート剤及び印刷用コートフィルムの製造方法

Also Published As

Publication number Publication date
DE68928514T2 (de) 1998-08-20
EP0394460B1 (fr) 1997-12-29
DE68928514D1 (de) 1998-02-05
EP0394460A4 (en) 1991-08-28
EP0394460A1 (fr) 1990-10-31

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