# US 2022/0033666 A1 · Treatment Liquid Composition For Ink Jet Pigment Printing, Ink Set, And Recording Method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0033666 A1 - Document ID: US20220033666A1 - Status: Published application - Kind: A1 - Application number: 17/389,637 - Filed: 2021-07-30 - Published: 2022-02-03 - Earliest claimed: 2020-07-31 - Assignees: Seiko Epson Corporation - Applicants: Seiko Epson Corporation - Inventors: Hideki OKADA; Akiko YAMADA - Web page: https://patentgrep.com/patent/US20220033666A1 ## CPC - C09D 11/322: Pigment inks - C09D 11/38: characterised by non-macromolecular additives other than solvents, pigments or dyes - C09D 11/14: based on carbohydrates - C09D 11/40: Ink-sets specially adapted for multi-colour inkjet printing - 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 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 1/50: Derivatives of cellulose - D06P 1/5242: {Polymers of unsaturated N-containing compounds} - 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 1/6424: {Compounds containing isocyanate or isothiocyanate groups} - D06P 1/65118: {Compounds containing hydroxyl groups} - D06P 5/002: {Locally enhancing dye affinity of a textile material by chemical means} - D06P 5/2066: {Thermic treatments of textile materials} - D06P 5/225: {Aminalization of cellulose; introducing aminogroups into cellulose} - 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) - D06P: DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM ## Abstract A treatment liquid composition for ink jet pigment printing is a treatment liquid composition which is used to be adhered to a cloth and which includes a block isocyanate compound, a hydroxyethyl cellulose, and a cationic compound. ## Claims ### Claim 1 A treatment liquid composition for ink jet pigment printing to be adhered to a cloth, the treatment liquid composition comprising: a block isocyanate compound; a hydroxyethyl cellulose; and a cationic compound. ### Claim 2 (depends on 1) The treatment liquid composition for ink jet pigment printing, according to claim 1, wherein the cloth contains fibers having hydroxy groups. ### Claim 3 (depends on 1) The treatment liquid composition for ink jet pigment printing, according to claim 1, wherein the cationic compound contains a polyvalent metal salt or a cationic polymer. ### Claim 4 (depends on 1) The treatment liquid composition for ink jet pigment printing, according to claim 1, wherein the block isocyanate compound is blocked by dimethyl pyrazole or methyl ethyl ketoxime. ### Claim 5 (depends on 1) The treatment liquid composition for ink jet pigment printing, according to claim 1, wherein the block isocyanate compound includes an aliphatic diisocyanate compound. ### Claim 6 (depends on 1) The treatment liquid composition for ink jet pigment printing, according to claim 1, wherein a content of the hydroxyethyl cellulose with respect to a total mass of the treatment liquid composition is 0.1 to 1.0 percent by mass. ### Claim 7 (depends on 1) The treatment liquid composition for ink jet pigment printing, according to claim 1, further comprising cationic or nonionic resin particles. ### Claim 8 (depends on 1) The treatment liquid composition for ink jet pigment printing, according to claim 1, further comprising a surfactant, wherein the surfactant includes an acetylene glycol-based surfactant having an HLB value of 10 or more. ### Claim 9 (depends on 8) The treatment liquid composition for ink jet pigment printing, according to claim 8, wherein the surfactant has a surface tension of 40 mN/m or more in an aqueous solution at a concentration of 0.1 percent by mass. ### Claim 10 (depends on 1) An ink set comprising: the treatment liquid composition for ink jet pigment printing according to claim 1; and an ink composition containing a pigment. ### Claim 11 (depends on 1) A recording method comprising: an adhesion step of adhering the treatment liquid composition for ink jet pigment printing according to claim 1 to a cloth; and a heating step of heating the cloth obtained in the adhesion step. ### Claim 12 (depends on 11) The recording method according to claim 11, wherein the heating step is a step of heating the cloth at a temperature higher than or equal to a thermal dissociation temperature of the block isocyanate compound.