# US 10,370,546 B2 · Water/oil-repellent coating composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,370,546 B2 - Document ID: US10370546B2 - Status: Granted - Kind: B2 - Application number: 15/522,584 - Filed: 2015-10-27 - Published: 2017-11-02 - Granted: 2019-08-06 - Earliest claimed: 2014-10-31 - Assignees: Sumitomo Chemical Company, Limited - Applicants: Sumitomo Chemical Company, Limited - Inventors: Yasuharu Shimazaki; Sayaka Sakurai; Tomonori Miyamoto; Atsushi Hozumi; Chihiro Urata - Web page: https://patentgrep.com/patent/US10370546B2 ## CPC - C09D 7/40: Additives - C09D 5/00: Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced {(electrically insulating plastics, resins or waxes H01B3/30)}; Filling pastes - C09D 5/16: Antifouling paints; Underwater paints - C09D 7/20: Diluents or solvents - C09D 7/61: inorganic - C09D 7/63: organic - C09D 183/04: Polysiloxanes - C09D 183/14: in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms (C09D183/10 takes precedence) - C08G 77/58: Metal-containing linkages - 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 ## Abstract The object of the present invention is to provide a water/oil-repellent coating composition for forming a film capable of attaining both water/oil repellency and abrasion resistance. The water/oil-repellent coating composition comprises: an organosilicon compound (A) and a metal compound (B), wherein at least one first hydrocarbon chain-containing group and at least one hydrolyzable group are bonded to a silicon atom in the organosilicon compound (A), where in at least one hydrolyzable group is bonded to a metal atom in the metal compound (B), wherein a second hydrocarbon chain-containing group having a length shorter than the length of the first hydrocarbon chain-containing group may be bonded to the metal atom in the metal compound (B), and wherein a molar ratio of the metal compound B) to the organosilicon compound (A) as metal compound (B)/organosilicon compound (A) is not less than 18 and not more than 48. ## Claims ### Claim 1 A water/oil-repellent coating composition comprising an organosilicon compound (A), a metal compound (B), and a solvent (C), wherein at least one first hydrocarbon chain-containing group and at least one hydrolyzable group are bonded to a silicon atom in the organosilicon compound (A), wherein at least one hydrolyzable group is bonded to a metal atom in the metal compound (B), wherein a second hydrocarbon chain-containing group having a length shorter than the length of the first hydrocarbon chain-containing group may be bonded to the metal atom in the metal compound (B), wherein the first hydrocarbon chain-containing group is a hydrocarbon group, wherein the hydrocarbon group has a carbon number of not less than 7 and not more than 17, wherein a molar ratio of the metal compound (B) to the organosilicon compound (A) as metal compound (B)/organosilicon compound (A) is not less than 18 and not more than 48, and wherein the solvent (C) is methanol, ethanol, propanol, or butanol. ### Claim 2 (depends on 1) The water/oil-repellent coating composition according to claim 1, wherein the molar ratio of the metal compound (B) to the organosilicon compound (A) as metal compound (B)/organosilicon compound (A) is not less than 18 and not more than 36. ### Claim 3 (depends on 1) The water/oil-repellent coating composition according to claim 1, wherein the organosilicon compound (A) is represented by formula (I) below: wherein Ra represents the first hydrocarbon group, each of Aa1 independently represents a hydrolyzable group, Za1 represents the first hydrocarbon chain-containing group, the second hydrocarbon chain-containing group having a length shorter than a length of the first hydrocarbon chain-containing group, or a hydrolyzable group, Ra and Za1 may be the same or different when Za1 is the first hydrocarbon chain-containing group, Za1 and Aa1 may be the same or different when Za1 is the hydrolyzable group, and Ra and Za1 may be the same or different when the water/oil-repellent coating composition comprises a plural number of formulae (I). ### Claim 4 (depends on 1) The water/oil-repellent coating composition according to claim 1, wherein the metal compound (B) is represented by formula (II) below: [Chemical Formula 2] M(Rb1)(Ab1)m (II) wherein Rb1 represents the second hydrocarbon chain-containing group or the hydrolyzable group, each of Ab1 independently represents a hydrolyzable group, M represents Al, Fe, In, Ge, Hf, Si, Ti, Sn, Zr or Ta, and m represents an integer of 1 to 4 according to a kind of metal atom. ### Claim 5 (depends on 4) The water/oil-repellent coating composition according to claim 4, wherein Rb1 and Ab1 represent the same group in the formula (II). ### Claim 6 (depends on 4) The water/oil-repellent coating composition according to claim 4, wherein M represents Si in the formula (II).