# US 2010/0166972 A1 · Aqueous Coating Composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0166972 A1 - Document ID: US20100166972A1 - Status: Published application - Kind: A1 - Application number: 12/630,928 - Filed: 2009-12-04 - Published: 2010-07-01 - Earliest claimed: 2008-12-26 - Assignees: Huai Mao Corporation; Dongweipaint Co., Ltd. Of Foshan City - Inventors: JUNG-HUA WENG; YU-CHIH WANG; SUNG-YI WENG; CHENG-HUNG WENG - Web page: https://patentgrep.com/patent/US20100166972A1 ## CPC - C09D 133/00: Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers - C08G 18/0866: {the dispersing or dispersed phase being an aqueous medium} - C09D 167/00: Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain (based on polyester-amides C09D177/12; based on polyester-imides C09D179/08); Coating compositions based on derivatives of such polymers - C09D 167/08: Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids - C09D 175/04: Polyurethanes - C08K 3/013: Fillers, pigments or reinforcing additives - C08K 5/0041: {Optical brightening agents, organic pigments} - C08L 61/28: with melamine - 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) - C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - C08K: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) ## Abstract The present invention discloses an aqueous coating composition, comprising: (A) a water-soluble resin and (B) a cross-linking agent. The water-soluble resin after amination is evenly dispersed in a water-soluble solvent and the water-soluble resin is selected from the group consisting of the following or combination thereof: acrylic resin, alkyd resin, epoxy resin, polyurethane resin and polyester resin. The cross-linking agent at least has the function of promoting the reaction and enhancing the interaction force between the water-solution resin and a coating substrate. The function of the cross-linking agent is to have the water-soluble resin be dried naturally or compulsorily. ## Claims ### Claim 1 An aqueous coating composition, comprising: (A) a water-soluble resin wherein the water-soluble resin after amination is evenly dispersed in a water-soluble solvent; and (B) a cross-linking agent, at least having the function of promoting the reaction and enhancing the interaction force between the water-solution resin and a to-be-coated substrate, wherein the cross-linking agent is a thermoplastic urethane resin. ### Claim 2 (depends on 1) The composition according to claim 1, wherein the water-soluble resin is selected from the group consisting of the following or combination thereof: acrylic resin, alkyd resin, epoxy resin, polyurethane resin and polyester resin. ### Claim 3 (depends on 1) The composition according to claim 1, wherein the water-soluble resin further comprises a pigment. ### Claim 4 (depends on 1) The composition according to claim 1, further comprising: an additive wherein the additive is selected from the group consisting of the following or combination thereof: dispersant, wetting agent, defoamer, promoter, leveling agent, light stabilizing agent, anti-dust agent, matting agent (powder), catalyst, ultraviolet absorber, and suspending agent. ### Claim 5 (depends on 1) The composition according to claim 1, wherein the function of the cross-linking agent is to have the water-soluble resin be dried naturally or compulsorily. ### Claim 6 (depends on 1) The composition according to claim 1, wherein the thermoplastic urethane resin is a melamine-formaldehyde resin. ### Claim 7 (depends on 1) A method for coating an aqueous coating composition on the surface of a substrate, comprising: coating the aqueous coating composition according to claim 1 on the surface of the substrate; and performing a drying process to dry the aqueous coating composition. ### Claim 8 (depends on 7) The method according to claim 7, wherein the substrate comprises one material selected from the group consisting of the following or combination thereof: metal, alloy, computer case, wood work, plastics, leather, stone or electroplated surface. ### Claim 9 (depends on 7) The method according to claim 7, wherein the method to coat on the surface of the substrate is selected from the group consisting of the following or combination thereof: spraying, dipping, roller-coating, curtain-coating, electrostatic coating and automatically-deposited coating. ### Claim 10 (depends on 7) The method according to claim 7, wherein the drying process is selected from the group consisting of the following or combination thereof: naturally drying, low-temperature baking, high-temperature baking, and median-high-temperature baking. ### Claim 11 An aqueous coating composition, comprising: (A) a water-soluble resin, which is selected from the group consisting of the following or combination thereof: acrylic resin, alkyd resin, epoxy resin, polyurethane resin and polyester resin; (B) a cross-linking agent, having the function of at least promoting the reaction and enhancing the interaction force between the water-solution resin and a coating substrate; and (C)an additive, which is selected from the group consisting of the following or combination thereof: dispersant, wetting agent, defoamer, promoter, leveling agent, light stabilizing agent, anti-dust agent, matting agent (powder), catalyst, ultraviolet absorber, and suspending agent. ### Claim 12 (depends on 11) The composition according to claim 11, wherein the water-soluble resin further comprises a pigment. ### Claim 13 (depends on 11) The composition according to claim 11, wherein the polyurethane resin is a melamine-formaldehyde resin. ### Claim 14 (depends on 11) A method for coating an aqueous coating composition on the surface of a substrate, comprising: coating the aqueous coating composition according to claim 11 on the surface of the substrate; and performing a drying process to dry the aqueous coating composition. ### Claim 15 (depends on 14) The method according to claim 14, wherein the substrate comprises one material selected from the group consisting of the following or combination thereof: metal, alloy, computer case, wood work, plastics, leather, stone or electroplated surface. ### Claim 16 (depends on 14) The method according to claim 14, wherein the method to coat on the surface of the substrate is selected from the group consisting of the following or combination thereof: spraying, dipping, roller-coating, curtain-coating, electrostatic coating and automatically-deposited coating. ### Claim 17 (depends on 14) The method according to claim 14, wherein the drying process is selected from the group consisting of the following or combination thereof: naturally drying, low-temperature baking, high-temperature baking, and median-high-temperature baking.