# US 2010/0168304 A1 · Coating composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0168304 A1 - Document ID: US20100168304A1 - Status: Published application - Kind: A1 - Application number: 12/523,914 - Filed: 2008-01-18 - Published: 2010-07-01 - Earliest claimed: 2007-01-23 - Assignees: Daikin Industries, Ltd.; Dow Corning Corporation - Inventors: Masaru Nagato; Masahiko Maeda; Tetsuya Masutani; Satoshi Onodera; Eiji Kitaura; Motoshi Sasaki; Peter Cheshire Hupfield - Web page: https://patentgrep.com/patent/US20100168304A1 ## CPC - C09D 7/63: organic - 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 - C08G 77/24: halogen-containing groups - C08K 5/5406: {containing elements other than oxygen or nitrogen} - C08L 61/20: Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen (with aminophenols C08L61/04) - C08L 83/02: Polysilicates - 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 There is provided a polyester coating composition having excellent action of preventing deposition of outdoor stain and stain caused by rainfall, being capable of extending a period of time (pot life) from the mixing to the coating, and comprising (A) a polyester resin, (B) one or more of fluorine-containing organosilicon compounds having a fluorine content of 5 to 30% by mass, (C) one or more of aliphatic hydrocarbon compounds having hydroxyl group and 1 to 10 carbon atoms, in which a part of hydrogen atoms bonded to carbon atom may be substituted by fluorine atoms and/or one or more of alkoxy compounds having 2 to 10 carbon atoms, in which a part of hydrogen atoms bonded to carbon atom may be substituted by fluorine atoms, and (D) an organic solvent. ## Claims ### Claim 1 A coating composition comprising: (A) a polyester resin, (B) at least one of fluorine-containing organosilicon compound having a fluorine content of 5 to 30% by mass and represented by the formula (I): wherein R1, R2, R3 and R4 are the same or different and each is an alkyl group having 1 to 20 carbon atoms which may have hetero atom and may have polymerizable carbon-carbon double bond at its end; “n” is an integer of 1 to 30; at least one of R′, R2, R3 and R4 has fluorine atom, (C) at least one of aliphatic hydrocarbon compound having hydroxyl group and 1 to 10 carbon atoms, in which a part of hydrogen atoms bonded to carbon atom may be substituted by fluorine atoms and/or at least one of alkoxy compound having 2 to 10 carbon atoms, in which a part of hydrogen atoms bonded to carbon atom may be substituted by fluorine atoms, and (D) an organic solvent. ### Claim 2 (depends on 1) The coating composition of claim 1, wherein the fluorine content of the fluorine-containing organosilicon compound (B) is 7 to 20% by mass. ### Claim 3 (depends on 1) The coating composition of claim 1, wherein 5 to 95% by mass of the fluorine-containing organosilicon compound (B) is replaced by a non-fluorine-containing organosilicon compound (G). ### Claim 4 (depends on 1) The coating composition of claim 1, wherein fluorine atom is not contained in the aliphatic hydrocarbon compound and/or the alkoxy compound (C). ### Claim 5 (depends on 4) The coating composition of claim 4, wherein the aliphatic hydrocarbon compound and/or the alkoxy compound (C) is a non-fluorine-containing alcohol or a non-fluorine-containing alkoxy compound. ### Claim 6 (depends on 1) The coating composition of claim 1, wherein the organic solvent (D) is a hydrocarbon solvent and/or a ketone solvent. ### Claim 7 (depends on 1) The coating composition of claim 1, wherein the fluorine-containing organosilicon compound (B) is contained in an amount of 0.01 to 40 parts by mass and the aliphatic hydrocarbon compound and/or the alkoxy compound (C) is contained in an amount of 0.01 to 500 parts by mass based on 100 parts by mass of the polyester resin (A), and the organic solvent (D) is contained in an amount to provide a solid content of 0.1 to 90% by mass. ### Claim 8 (depends on 1) The coating composition of claim 1, wherein the polyester resin (A) is a polyester resin having functional group and the composition further comprises a curing agent (E). ### Claim 9 (depends on 8) The coating composition of claim 8, wherein the polyester resin (A) is a polyester resin having hydroxyl group and the curing agent (E) is an amino resin curing agent. ### Claim 10 (depends on 8) The coating composition of claim 8, wherein the curing agent (E) is contained in an amount of 5 to 150 parts by mass based on 100 parts by mass of the polyester resin (A).