# US 2021/0363373 A1 · Fabric coating composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0363373 A1 - Document ID: US20210363373A1 - Status: Published application - Kind: A1 - Application number: 17/059,752 - Filed: 2019-01-11 - Published: 2021-11-25 - Earliest claimed: 2019-01-11 - Assignees: Hewlett-Packard Development Company, L.P. - Applicants: Hewlett-Packard Development Company, L.P. - Inventors: Xiaoqi Zhou; Zhang-Lin Zhou - Web page: https://patentgrep.com/patent/US20210363373A1 ## CPC - 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 - B41J 3/4078: {Printing on textile} - B41M 1/26: Printing on other surfaces than ordinary paper (B41M1/40 takes precedence) - B41M 5/50: Recording sheets characterised by the coating used to improve ink, dye or pigment receptivity, e.g. for ink-jet or thermal dye transfer recording {(printing on organic plastics using a printer's form B41M1/30; printing on pre-treated paper with a printer's form B41M1/36)} - C09D 11/033: characterised by the solvent - C09D 11/102: containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds - C09D 11/38: characterised by non-macromolecular additives other than solvents, pigments or dyes - D06P 1/44: using insoluble pigments or auxiliary substances, e.g. binders - D06P 1/445: {Use of auxiliary substances before, during or after dyeing or printing} - D06P 1/5278: {Polyamides; Polyimides; Polylactames; Polyalkyleneimines} - D06P 1/5285: {Polyurethanes; Polyurea; Polyguanides} - D06P 1/54: Substances with reactive groups together with crosslinking agents - D06P 1/6493: {Carbodiimides (=N=C=N=)} - D06P 1/6533: {Aliphatic, araliphatic or cycloaliphatic} - D06P 1/673: Inorganic compounds - D06P 1/67341: {of elements different from the alkaline or alkaline-earth metals or with anions containing those elements (D06P1/67383 takes precedence)} - D06P 1/6735: {of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341} - D06P 5/002: {Locally enhancing dye affinity of a textile material by chemical means} - D06P 5/30: Ink jet printing - 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) - B41J: TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS - 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) - D06P: DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM ## Abstract A fabric coating composition, comprising from 2 to 50 dry parts of a crosslinking polymer, from 5 to 60 dry parts of a polymeric binder; from 2 to 30 dry parts of pigment fixation agents, parts are based on total dry content of the coating composition; a pH control agent in an amount adjusted to have a pH above 7; and an aqueous liquid vehicle is described. The coating composition is used to be applied to a fabric print medium. Also described herein are a coated fabric printable medium, a method for forming the coated fabric printable medium and a method of textile printing that includes ejecting an ink composition onto the coated fabric print medium described herein. ## Claims ### Claim 1 1) A fabric coating composition, comprising: a. from 2 to 50 dry parts of a crosslinking polymer, b. from 5 to 60 dry parts of a polymeric binder; c. from 2 to 30 dry parts of a pigment fixation agent, parts are based on the total dry content of the coating composition; d. a pH control agent in an amount adjusted to have a pH above 7; e. and an aqueous liquid vehicle. ### Claim 2 (depends on 1) 2) The fabric coating of claim 1, wherein the crosslinking polymer is a polyimine, a polycarbodiimide, a mixture of polyimines and polycarbodiimides, or a polymer that is both a polyimine and a polycarbodiimide. ### Claim 3 (depends on 1) 3) The fabric coating of claim 1, wherein the crosslinking polymer includes a polyimine including multiple imine groups, wherein the polyimine has a weight average molecular weight of ranging from 1,000 Mw to 150,000 Mw. ### Claim 4 (depends on 1) 4) The fabric coating of claim 1, wherein the crosslinking polymer is a polycarbodiimide crosslinking polymer with multiple carbodiimide groups and having a weight average molecular weight of ranging from 1,000 Mw to 150,000 Mw. ### Claim 5 (depends on 1) 5) The fabric coating of claim 1, wherein the crosslinking polymer is present in an amount ranging from about 2 to about 50 dry parts of the total dry content of the coating composition. ### Claim 6 (depends on 1) 6) The fabric coating of claim 1, wherein the pigment fixation agent is a multivalent metal salt. ### Claim 7 (depends on 1) 7) The fabric coating of claim 1, wherein the pigment fixation agent is present in an amount representing from about 5 to 20 dry parts of the total dry content of the fabric coating composition. ### Claim 8 (depends on 1) 8) The fabric coating of claim 1, wherein the amount of pH control agent is adjusted to have a pH greater than 8. ### Claim 9 (depends on 1) 9) The fabric coating of claim 1, wherein the polymeric binder is selected from the group consisting of polyurethane and polyurethane derivative such as vinyl-urethane, acrylic urethane, polyurethane-acrylic, polyether polyurethane, polyester polyurethane, polycaprolactam polyurethane, polyether polyurethane, and a combination. ### Claim 10 (depends on 1) 10) The fabric coating of claim 1, wherein the polymeric binder is a polyurethane polymer. ### Claim 11 (depends on 1) 11) The fabric coating of claim 1, wherein the average molecular weight of the polymeric binder is in the range of from about 20,000 Mw to about 200,000 Mw ### Claim 12 12) A coated fabric print medium, comprising: a. a fabric base substrate; and b. a coating layer applied on, at least, one side of the fabric base substrate, the coating layer including from 2 to 50 dry parts of a crosslinking polymer, from 5 to 60 dry parts of a polymeric binder; from 2 to 30 dry parts of pigment fixation agents, parts are based on total dry content of the coating composition; a pH control agent in an amount adjusted to have a pH above 7; and an aqueous liquid vehicle. ### Claim 13 (depends on 12) 13) The coated fabric print medium of claim 12, wherein the coating layer is applied on the fabric substrate, at a coat weight ranging from about 0.5 gsm to about 10 gsm. ### Claim 14 14) A method of textile printing comprising a. providing a coated fabric print medium having a fabric substrate and a coating layer on the fabric substrate having a 0.5 gsm to 10 gsm dry coating weight basis, the coating layer including from 2 to 50 dry parts of a crosslinking polymer, from 5 to 60 dry parts of a polymeric binder; from 2 to 30 dry parts of pigment fixation agents, parts are based on total dry content of the coating composition; a pH control agent in an amount adjusted to have a pH above 7; and an aqueous liquid vehicle; b. and ejecting an ink composition onto the surface of said coated fabric print medium to form a printed image. ### Claim 15 (depends on 14) 15) The method of textile printing according to claim 14 wherein the ink composition is a pigmented ink with a binder polymer.