# US 8,785,087 B2 · Pigment-dispersed composition, curable composition, color filter and production method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,785,087 B2 - Document ID: US8785087B2 - Status: Granted - Kind: B2 - Application number: 12/521,316 - Filed: 2007-12-27 - Published: 2010-12-23 - Granted: 2014-07-22 - Earliest claimed: 2006-12-27 - Assignees: FUJIFILM Corporation - Applicants: Taeko Nakashima; Kazuto Shimada; Shuichi Odagiri - Inventors: Taeko Nakashima; Kazuto Shimada; Shuichi Odagiri - Web page: https://patentgrep.com/patent/US8785087B2 ## CPC - G03F 7/0007: {Filters, e.g. additive colour filters; Components for display devices} - C08F 8/14: Esterification - C08F 8/26: Removing halogen atoms or halogen-containing groups from the molecule - C09D 7/45: Anti-settling agents - C09D 11/101: Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing - C09D 11/326: characterised by the pigment dispersant - G03F 7/033: the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers - C08F 2800/20: as weight or mass percentages - C08F 2810/30: leading to the formation or introduction of aliphatic or alicyclic unsaturated groups - G03F 7/0388: {with ethylenic or acetylenic bands in the side chains of the photopolymer} - G03F: PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR; (phototypographic composing devices B41B; photosensitive materials or processes for photographic purposes G03C; electrophotography, sensitive layers or processes therefor G03G) - C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS - 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 The present invention provides a pigment-dispersed composition including at least a polymer compound (A-1) having at least one selected from the structural units represented by the following formulae (1) to (3), a pigment (B) and a solvent (C), and a pigment-dispersed composition including at least a resin (D) having an acid number of 100 mg KOH/g or more, a dispersion resin (A-2) having an acid number of less than 100 mg KOH/g and an unsaturation equivalent of less than 600, a pigment (B), and a solvent (C) [R1 to R20: a hydrogen atom, a monovalent organic group; A1 to A3: an oxygen atom, a sulfur atom, —N(R21)—; G1 to G3: a divalent organic group; X, Z: an oxygen atom, a sulfur atom, —N(R22)—; Y: an oxygen atom, a sulfur atom, a phenylene group, —N(R23)—; and R21 to R23: an alkyl group]. ## Claims ### Claim 1 A pigment-dispersed composition comprising at least a polymer compound (A-1) having at least one selected from the structural units represented by the following formulae (1) to (3), a pigment (B), and a solvent (C): wherein R1, R2, R5, R6, R7, R8, R11, R12, R13, R14, R19 and R20 each independently represents a hydrogen atom; R3, R4, R9, R10, R15 and R18 each independently represents a hydrogen atom or a methyl group; R16 and R17 each independently represents a hydrogen atom or a monvalent organic group; A1, A2 and A3 each independently represents an oxygen atom, a sulfur atom or —N(R21)—, wherein R21 represents an alkyl group which may be substituted; G1, G2 and G3 each independently represents an unsubstituted alkylene group having 1 to 20 carbon atoms; X and Z each independently represents an oxygen atom, a sulfur atom or —N(R22)—, wherein R22 represents an alkyl group which may be substituted; and Y represents an oxygen atom, a sulfur atom, a phenylene group which may be substituted, or —N(R23)—, wherein R23 represents an alkyl group which may be substituted, wherein the amount of the structural units represented by formula (1) to (3) in the polymer compound (A-1) is from 20% by mole or more to less than 95% by mole. ### Claim 2 (depends on 1) The pigment-dispersed composition according to claim 1, wherein the polymer compound (A-1) has an unsaturation equivalent of less than 600. ### Claim 3 (depends on 1) A method of producing a color filter, comprising: preparing the pigment-dispersed composition of claim 1 by mixing and dispersing the polymer compound (A-1) as a dispersant, the pigment (B), and the solvent to produce a mixture, and dispersing the mixture; mixing the pigment-dispersed composition with a photopolymerization initiator (E) to obtain a curable composition; coating the curable composition on a support to form a colored layer; exposing the colored layer through a patterned mask; and developing the colored layer to form a colored pattern. ### Claim 4 (depends on 1) The pigment-dispersed composition according to claim 1, wherein the polymer compound (A-1) has the structural unit represented by formula (1). ### Claim 5 A curable composition comprising a polymer compound (A-1) having at least one selected from the structural units represented by the following formulae (1) to (3), a pigment (B), a solvent (C), and a photopolymerization initiator (E): wherein R1, R2, R5, R6, R7,R8, R11,R12, R13, R14, R19, and R20 each independently represents a hydrogen atom R3, R4, R9, R10, R15 and R18 each independently represents a hydrogen atom or a methyl group; R16 and R17 each independently represents a hydrogen atom or a monvalent organic group; A1, A2 and A3 each independently represent an oxygen atom, a sulfur atom or —N(R21)—, wherein R21 represents an alkyl group which may be substituted; G1, G2 and G3 each independently represents an unsubstituted alkylene group having 1 to 20 carbon atoms; X and Z each independently represent an oxygen atom, a sulfur atom or —N(R22)—, wherein R22 represents an alkyl group which may be substituted; and Y represents an oxygen atom, a sulfur atom, a phenylene group which may be substituted, or —N(R23)—, wherein R23 represents an alkyl group which may be substituted, wherein the amount of the structural units represented by formula (1) to (3) in the polymer compound (A-1) is from 20% by mole or more to less than 95% by mole. ### Claim 6 (depends on 5) The curable composition according to claim 5, wherein the polymer compound (A-1) has an unsaturation equivalent of less than 600. ### Claim 7 (depends on 5) The curable composition according to claim 5, further comprising a photopolymerizable compound (F). ### Claim 8 (depends on 5) A color filter comprising a colored pattern formed on a support using the curable composition of claim 5. ### Claim 9 (depends on 5) A production method for a color filter, comprising: coating the curable composition of claim 5 on a support to form a colored layer; exposing the coated layer through a patterned mask; and developing the colored layer after the exposure to form a colored pattern. ### Claim 10 (depends on 5) The curable composition according to claim 5, wherein the photopolymerization initiator (E) is an oxime compound. ### Claim 11 (depends on 5) The curable composition according to claim 5, wherein the polymer compound (A-1) further has a structural unit derived from benzyl methacrylate. ### Claim 12 (depends on 5) The curable composition according to claim 5, wherein the polymer compound (A-1) has an acid number of from 20 to 300. ### Claim 13 (depends on 5) A method of producing the curable composition of claim 5, comprising: mixing and dispersing the polymer compound (A-1) as a dispersant, the pigment (B), and the solvent (C) to produce a pigment dispersion; and mixing the pigment dispersion with the photopolymerization initiator (E).