# US 4,400,487 A · Textured fluorocarbon coating compositions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 4,400,487 A - Document ID: US4400487A - Status: Granted - Kind: A - Application number: 06/336,155 - Filed: 1981-12-31 - Granted: 1983-08-23 - Earliest claimed: 1981-12-31 - Assignees: PPG Industries, Inc. - Inventors: Richard L. Stoneberg; Raymond R. Stec - Web page: https://patentgrep.com/patent/US4400487A ## CPC - C09D 127/12: containing fluorine atoms - C09D 127/16: Homopolymers or copolymers of vinylidene fluoride - C08L 27/12: containing fluorine atoms - C08L 33/06: of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical - C08L 2205/02: containing two or more polymers of the same C08L -group - C08L 2205/18: Spheres - Y10T 428/31699: Ester, halide or nitrile of addition polymer - 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) - C08L: COMPOSITIONS OF MACROMOLECULAR COMPOUNDS (compositions based on polymerisable monomers C08F, C08G; artificial filaments or fibres D01F; textile treating compositions D06) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A coating composition useful for providing a substrate with a coating having a textured appearance is composed of, on a resin solids basis, a resinous mixture of: (a) from about 40 percent to about 85 percent by weight of a film-forming fluorocarbon resin having a particle size of from about 0.1 microns to about 5 microns; (b) from 0 percent to about 50 percent by weight of an acrylic resin selected from polymers and copolymers of acrylic acid or methacrylic acid esters and copolymers of acrylic monomers containing hydroxyl or amide groups; and (c) from about 3 percent to about 50 percent by weight of particulate fluorocarbon resin having a particle size ranging from about 20 microns to about 3500 microns, said particulate fluorocarbon resin being fused with the film-forming fluorocarbon resin upon curing to provide said textured appearance. The aforesaid coating composition can be either a clear or pigment coating composition. ## Claims ### Claim 1 A coating composition useful for providing a substrate with a coating having a textured appearance, comprising, on a resin solids basis, a resinous mixture of: (a) from about 40 percent to about 85 percent by weight of a film-forming fluorocarbon resin having a particle size of from about 0.1 microns to about 5 microns; (b) from 0 percent to about 50 percent by weight of a thermoplastic acrylic resin selected from homoplymers and copolymers of acrylic acid esters or methacrylic acid esters and thermosetting copolymers of acrylic monomers containing hydroxyl or amide groups; and (c) from about 3 percent to about 50 percent by weight of a particulate fluorocarbon resin having a particle size ranging from about 20 microns to about 3500 microns, said particulate fluorocarbon resin being fused with the film-forming fluorocarbon resin upon curing to provide said textured appearance. ### Claim 2 (depends on 1) The composition of claim 1, wherein: (a) the film-forming fluorocarbon resin is present in an amount of from about 40 percent to about 85 percent by weight; (b) the acrylic resin is present in an amount of from about 10 percent to about 50 percent by weight; and (c) the particulate fluorocarbon resin is present in an amount of from about 3 percent to about 25 percent by weight and has a particle size of from about 25 microns to about 250 microns. ### Claim 3 (depends on 1, 2) The composition of claim 1 or 2 wherein the film-forming fluorocarbon resin is polyvinylidine fluoride. ### Claim 4 (depends on 3) The composition of claim 3 wherein the particulate fluorocarbon resin is polyvinylidine fluoride. ### Claim 5 (depends on 4) The composition of claim 4 wherein the acrylic resin is a thermoplastic acrylic resin. ### Claim 6 (depends on 5) The composition of claim 5 wherein the acrylic resin is a copolymer of methyl methacrylate and ethyl acrylate. ### Claim 7 (depends on 6) The composition of claim 6 wherein the film-forming fluorocarbon resin has a particle size of from about 0.2 microns to about 0.4 microns. ### Claim 8 (depends on 7) The composition of claim 7 wherein the particulate fluorocarbon resin has a particle size of from about 50 microns to about 150 microns. ### Claim 9 (depends on 8) The composition of claim 8 wherein the composition additionally contains a pigment. ### Claim 10 (depends on 8) The composition of claim 8 wherein the composition, on a resin solids basis, comprises: (a) from about 55 percent to about 75 percent of the film-forming fluorocarbon resin; (b) from about 20 percent to about 40 percent of the acrylic resin; and (c) from about 5 percent to about 16 percent of the particulate fluorocarbon resin.