# US 5,705,451 A · Thermal transfer image-receiving sheet > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,705,451 A - Document ID: US5705451A - Status: Granted - Kind: A - Application number: 08/462,889 - Filed: 1995-06-05 - Granted: 1998-01-06 - Earliest claimed: 1993-09-24 - Assignees: Dai Nippon Printing Co., Ltd. - Inventors: Shino Takao; Shinji Kometani; Hitoshi Saito - Web page: https://patentgrep.com/patent/US5705451A ## CPC - B41M 5/42: Intermediate, {backcoat}, or covering layers {(B41M5/405 takes precedence; multilayer thermal transfer systems in general B41M5/38214)} - B41M 5/443: {Silicon-containing polymers, e.g. silicones, siloxanes} - B41M 5/52: Macromolecular coatings - B41M 5/423: {characterised by non-macromolecular compounds, e.g. waxes} - B41M 5/426: {characterised by inorganic compounds, e.g. metals, metal salts, metal complexes} - B41M 5/44: characterised by the macromolecular compounds - B41M 5/5218: {characterised by inorganic additives, e.g. pigments, clays} - B41M 5/529: {characterised by the use of fluorine- or silicon-containing organic compounds} - B41M 2205/32: Thermal receivers - Y10S 428/913: Material designed to be responsive to temperature, light, moisture - Y10S 428/914: Transfer or decalcomania - Y10T 428/24893: including particulate material - Y10T 428/254: Polymeric or resinous material - Y10T 428/31507: Of polycarbonate - Y10T 428/31551: Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.] - Y10T 428/31663: As siloxane, silicone or silane - Y10T 428/31801: Of wax or waxy material - Y10T 428/31855: Of addition polymer from unsaturated monomers - B41M: PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors B41J; processes for applying transfer pictures or the like B44C1/16; fluid media for correction of typographical errors by coating C09D10/00; printing textiles D06P) - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a composition composed mainly of at least one thermoplastic resin having at least one reactive functional group and an isocyanate compound or a chelate compound. A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a release agent which is the same as that contained in the dye-receptive layer or does not migrate to other places, for example, comprises an amino-modified silicone and an epoxy-modified silicone or a product of a reaction of both of them, or an addition-polymerizable silicone or a cured product obtained by a reaction thereof. A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a lubricious back surface layer provided on the other surface of the substrate sheet, the lubricious back surface layer being composed mainly of a binder and a nylon filler. ## Claims ### Claim 1 A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of said substrate sheet and a dye-unreceptive layer provided on the other surface of said substrate sheet, said dye-unreceptive layer comprising at least one release agent at least one of which comprises wax. ### Claim 2 A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of said substrate sheet and a dye-unreceptive layer provided on the other surface of said substrate sheet, said dye-unreceptive layer comprising at least one release agent and a nylon filler. ### Claim 3 (depends on 2) The thermal transfer image-receiving sheet according to claim 2, wherein said dye-unreceptive layer further comprises at least one thermoplastic resin. ### Claim 4 (depends on 3) The thermal transfer image-receiving sheet according to claim 3, wherein said dye-unreceptive layer further comprises an organic filler and/or an inorganic filler. ### Claim 5 (depends on 2) The thermal transfer image-receiving sheet according to claim 2, wherein said release agent comprises an amino-modified silicone or an epoxy-modified silicone or a cured product obtained by a reaction of an amino-modified silicone and an epoxy-modified silicone. ### Claim 6 (depends on 2) The thermal transfer image-receiving sheet according to claim 2, wherein said release agent comprises an addition-polymerizable silicone or a cured product obtained by a reaction of an addition-polymerizable silicone. ### Claim 7 (depends on 2) The thermal transfer image-receiving sheet according to claim 2, wherein said release agent comprises a cured product obtained by a reaction of a silicone having an active hydrogen with an isocyanate compound or a chelate compound. ### Claim 8 A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of said substrate sheet and a lubricious back surface layer provided on the other surface of said substrate sheet, said lubricious back surface layer being composed mainly of a binder and a nylon 12 filler. ### Claim 9 (depends on 8) The thermal transfer image-receiving sheet according to claim 8, wherein said nylon filler is spherical and has a molecular weight in the range of from 100,000 to 900,000. ### Claim 10 (depends on 8) The thermal transfer image-receiving sheet according to claim 8, wherein said nylon filler has an average particle diameter in the range of from 0.01 to 30 .mu.m. ### Claim 11 (depends on 8) The thermal transfer image-receiving sheet according to claim 8, wherein said binder is a resin undyable with a sublimable dye.