# US 2013/0278690 A1 · Preprocessing liquid for textile printing, ink set for ink jet textile printing, ink jet textile printing method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0278690 A1 - Document ID: US20130278690A1 - Status: Published application - Kind: A1 - Application number: 13/853,350 - Filed: 2013-03-29 - Published: 2013-10-24 - Earliest claimed: 2012-04-19 - Assignees: Seiko Epson Corporation - Applicants: Seiko Epson Corporation - Inventors: Toru Saito; Makoto Furue; Masakazu Ohashi; Toshiyuki Miyabayashi - Web page: https://patentgrep.com/patent/US20130278690A1 ## CPC - D06P 5/002: {Locally enhancing dye affinity of a textile material by chemical means} - B41J 2/01: Ink jet - B41J 2/2107: {characterised by the ink properties (supplying ink in a solid state B41J2/17593)} - C09D 11/322: Pigment inks - C09D 11/40: Ink-sets specially adapted for multi-colour inkjet printing - C09D 11/50: Sympathetic, colour changing or similar inks - C09D 11/54: Inks based on two liquids, one liquid being the ink, the other liquid being a reaction solution, a fixer or a treatment solution for the ink - D06P 5/30: Ink jet printing - D06P: DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM - B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) ## Abstract There is provided preprocessing liquid for textile printing including: a polyvalent metal compound, resin emulsion, a heat discoloration type coloring material, and water. ## Claims ### Claim 1 Preprocessing liquid for textile printing comprising: a polyvalent metal compound; resin emulsion; a heat discoloration type coloring material; and water. ### Claim 2 (depends on 1) The preprocessing liquid for textile printing according to claim 1, wherein the heat discoloration type coloring material includes a color forming substance, color developer, and decolorant. ### Claim 3 (depends on 2) The preprocessing liquid for textile printing according to claim 2, wherein the color forming substance is leuco dye. ### Claim 4 (depends on 1) The preprocessing liquid for textile printing according to claim 1, wherein the preprocessing liquid produces a color in a state of an environment temperature at which the preprocessing liquid is applied, and an irreversible reaction due to heat occurs and the preprocessing liquid discolors in a state of not less than 100° C. ### Claim 5 (depends on 1) An ink set for ink jet textile printing comprising: the preprocessing liquid for textile printing according to claim 1; and ink for ink jet textile printing which contains white pigment. ### Claim 6 (depends on 2) An ink set for ink jet textile printing comprising: the preprocessing liquid for textile printing according to claim 2; and ink for ink jet textile printing which contains white pigment. ### Claim 7 (depends on 3) An ink set for ink jet textile printing comprising: the preprocessing liquid for textile printing according to claim 3; and ink for ink jet textile printing which contains white pigment. ### Claim 8 (depends on 4) An ink set for ink jet textile printing comprising: the preprocessing liquid for textile printing according to claim 4; and ink for ink jet textile printing which contains white pigment. ### Claim 9 (depends on 5) An ink jet textile printing method using the ink set for ink jet textile printing according to claim 5, the method comprising: applying the preprocessing liquid for textile printing to a fabric; heating the fabric after the preprocessing process at a temperature of not less than 100° C., and drying applied preprocessing liquid for textile printing; and causing the ink for ink jet textile printing to adhere to the fabric after the drying. ### Claim 10 (depends on 6) An ink jet textile printing method using the ink set for ink jet textile printing according to claim 6, the method comprising: applying the preprocessing liquid for textile printing to a fabric; heating the fabric after the preprocessing process at a temperature of not less than 100° C., and drying applied preprocessing liquid for textile printing; and causing the ink for ink jet textile printing to adhere to the fabric after the drying. ### Claim 11 (depends on 7) An ink jet textile printing method using the ink set for ink jet textile printing according to claim 7, the method comprising: applying the preprocessing liquid for textile printing to a fabric; heating the fabric after the preprocessing process at a temperature of not less than 100° C., and drying applied preprocessing liquid for textile printing; and causing the ink for ink jet textile printing to adhere to the fabric after the drying. ### Claim 12 (depends on 8) An ink jet textile printing method using the ink set for ink jet textile printing according to claim 8, the method comprising: applying the preprocessing liquid for textile printing to a fabric; heating the fabric after the preprocessing process at a temperature of not less than 100° C., and drying applied preprocessing liquid for textile printing; and causing the ink for ink jet textile printing to adhere to the fabric after the drying. ### Claim 13 (depends on 9) The ink jet textile printing method according to claim 9, wherein in applying the preprocessing liquid for textile printing, the preprocessing liquid for textile printing is applied to the fabric using a roller.