# US 2023/0053381 A1 · Two-Component Solvent-Based Coating Composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0053381 A1 - Document ID: US20230053381A1 - Status: Published application - Kind: A1 - Application number: 17/782,710 - Filed: 2020-12-07 - Published: 2023-02-23 - Earliest claimed: 2019-12-10 - Assignees: Akzo Nobel Coatings International B.V. - Applicants: Akzo Nobel Coatings International B.V. - Inventors: Remy VAN GORKUM; Niels Aalfons Gerhard BOSCH; Michel Daniel MEIJER; Rudolphus Amoldus Comelis VERTEGAAL - Web page: https://patentgrep.com/patent/US20230053381A1 ## CPC - C09D 167/08: Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids - C09D 7/20: Diluents or solvents - C09F 9/00: Compounds to be used as driers, i.e. siccatives - 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) - C09F: NATURAL RESINS; FRENCH POLISH; DRYING-OILS; OIL DRYING AGENTS, i.e. SICCATIVES; TURPENTINE ## Abstract A two-component solvent-based coating composition comprising a component A comprising an autoxidizable resin comprising unsaturated fatty acids and a metal-ligand complex as drying catalyst, wherein the metal is manganese, vanadium or iron; and a component B comprising a (meth)acrylate compound and a thiol compound, wherein the (meth)acrylate compound is a poly (meth)acryloyl functional ester of (meth)acrylic acid and a polyhydric alcohol or a poly (meth)acryloyl functional dimer of such ester, wherein component B is free of drying catalyst, wherein component A is free of a compound comprising a thiol group and of a compound comprising a (meth)acryloyl functional group, and wherein the coating composition is free of cobalt. ## Claims ### Claim 1 A two-component solvent-based coating composition comprising: a component A comprising an autoxidizable resin comprising unsaturated fatty acids and a metal-ligand complex as drying catalyst, wherein the metal is manganese, vanadium or iron; and a component B comprising a (meth)acrylate compound and a thiol compound, wherein the (meth)acrylate compound is a poly (meth)acryloyl functional ester of (meth)acrylic acid and a polyhydric alcohol or a poly (meth)acryloyl functional dimer of such ester; wherein component B is free of drying catalyst; wherein component A is free of a compound comprising a thiol group and of a compound comprising a (meth)acryloyl functional group; and wherein the coating composition is free of cobalt. ### Claim 2 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the molar ratio of thiol groups in the thiol compound to ethylenically unsaturated groups in the (meth)acrylate compound is in the range of from 0.01 to 0.10. ### Claim 3 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the coating composition comprises in the range of 15 to 40 wt % of the (meth)acrylate compound based on the total weight of the autoxidizable resin and the (meth)acrylate compound. ### Claim 4 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the coating composition has a solids content in the range of from 55 to 75 wt %. ### Claim 5 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the (meth)acrylate compound is a di-, tri-, or tetra-(meth)acryloyl functional compound. ### Claim 6 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the (meth)acrylate compound is a methacrylate compound. ### Claim 7 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the fatty acids comprised in the autoxidizable resin have an iodine value in the range of from 135 to 180. ### Claim 8 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the autoxidizable resin is an alkyd resin. ### Claim 9 (depends on 8) The two-component solvent-based coating composition according to claim 8, wherein the alkyd resin has a weight average molecular weight in the range of from 10,000 to 30,000 g/mol. ### Claim 10 (depends on 8) The two-component solvent-based coating composition according to claim 8, wherein the alkyd resin has a number average molecular weight in the range of from 1,500 to 3,500 g/mol. ### Claim 11 (depends on 8) The two-component solvent-based coating composition according to claim 8, wherein the alkyd resin has an oil length in the range of from 20 to 40%. ### Claim 12 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the drying catalyst is an iron-ligand complex or a manganese-ligand complex. ### Claim 13 (depends on 1) The two-component solvent-based coating composition according to claim 1, wherein the thiol compound is an alkanethiol comprising 10 to 20 carbon atoms or an ester of thioglycolic acid, 2-mercapto propionic acid or 3-mercapto propionic acid with glycol, pentaerythritol, dipentaerythritol or trimethylolpropane. ### Claim 14 (depends on 13) The two-component solvent-based coating composition according to claim 13, wherein the thiol compound is a tri- or tetra functional thiol compound. ### Claim 15 (depends on 1) A substrate coated with a coating deposited from the two-component solvent-based coating composition according to claim 1.