# US 2013/0157024 A1 · Coating containing pek and/or peek > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0157024 A1 - Document ID: US20130157024A1 - Status: Published application - Kind: A1 - Application number: 13/690,116 - Filed: 2012-11-30 - Published: 2013-06-20 - Earliest claimed: 2011-11-30 - Assignees: Rhenotherm Kunststoffbeschichtungs GmbH - Inventors: Volkmar Eigenbrod - Web page: https://patentgrep.com/patent/US20130157024A1 ## CPC - B05D 5/083: {involving the use of fluoropolymers} - C09D 171/00: Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain (based on polyacetals C09D159/00; based on epoxy resins C09D163/00; based on polythioether-ethers C09D181/02; based on polyethersulfones C09D181/06); Coating compositions based on derivatives of such polymers - C09D 177/00: Coating compositions based on polyamides obtained by reactions forming a carboxylic amide link in the main chain (based on polyhydrazides C09D179/06; based on polyamide-imides C09D179/08); Coating compositions based on derivatives of such polymers - C08G 2650/40: containing ketone groups, e.g. polyarylethylketones, PEEK or PEK - Y10T 428/24967: Absolute thicknesses specified - Y10T 428/31544: Addition polymer is perhalogenated - B05D: PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL (conveying articles or workpieces through baths of liquid B65G, e.g. B65G49/02) - 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 - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract The invention concerns a non-stick coating for a substrate consisting of a metallic material, glass, ceramic, stone or enamel, which is characterised by at least one layer applied directly to the substrate and consisting of at least 33 wt. % polyetherketone and/or polyetheretherketone (PEEK), at least 33 wt. % of one or more fluoropolymers and no more than 16 wt. % additives. ## Claims ### Claim 1 A non-stick coating for a substrate consisting of a metallic material, glass, ceramic, stone or enamel, the non-stick coating comprising at least one first layer applied directly to the substrate and consisting of at least 33 wt. % polyetherketone and/or polyetheretherketone (PEEK), at least 33 wt. % of one or more fluoropolymers and no more than 16 wt. % additives. ### Claim 2 (depends on 1) The non-stick coating according to claim 1, wherein the at least one first layer includes at least 50 wt. % PEK and/or PEEK. ### Claim 3 (depends on 1) The non-stick coating according to claim 1, wherein the at least one first layer includes more than 40 wt. % of one or more fluoropolymers. ### Claim 4 (depends on 1) The non-stick coating according to claim 1, wherein the proportion of additive does not exceed 10 wt. %. ### Claim 5 (depends on 1) The non-stick coating according to claim 1, the additives comprise one or more colour pigments. ### Claim 6 (depends on 1) The non-stick coating according to claim 1, wherein the additives comprise inorganic substances. ### Claim 7 (depends on 1) The non-stick coating according to claim 1, wherein the additives comprise organic substances. ### Claim 8 (depends on 1) The non-stick coating according to claim 1, wherein the at least one first layer includes electrically conductive inorganic fibres with a proportion of 5 to 9 wt. % in relation to the at least one first layer. ### Claim 9 (depends on 1) The non-stick coating according to claim 1, wherein the one or more fluoropolymers are selected from the group consisting of PTFE, PFA, MFA and FEP. ### Claim 10 (depends on 1) The non-stick coating according to claim 1, wherein the coating consists exclusively of the at least one first layer. ### Claim 11 (depends on 1) The non-stick coating according to claim 1, wherein the non-stick coating has multiple layers, wherein one or more layers applied to a first layer have the same composition as the first layer. ### Claim 12 (depends on 1) The non-stick coating according to claim 1, wherein the non-stick coating has multiple layers, and wherein a second layer adjacent to a first layer contains at least one fluoropolymer which is free from PEK or PEEK. ### Claim 13 (depends on 12) The non-stick coating according to claim 12, wherein the second layer is the top of the coating. ### Claim 14 (depends on 1) The non-stick coating according to claim 1, wherein the non-stick coating has a first layer thickness of 5 to 100 μm and/or a total coating thickness of not more than 2,000 μm. ### Claim 15 (depends on 1) A work piece with the non-stick coating according to claim 1, wherein the substrate on which the non-stick coating is applied consists of a metallic material, glass, ceramic, stone or enamel. ### Claim 16 (depends on 3) The non-stick coating according to claim 3, wherein the at least one first layer includes more than 45 wt. % of one or more fluoropolymers. ### Claim 17 (depends on 6) The non-stick coating according to claim 6, wherein the inorganic substances include one or more of glass fibres, glass flakes, carbon fibres, carbon in the form of particles, SiC, Al2O3 or SiO2 or mixtures thereof, and wherein the inorganic substances have a proportion of 2 to 8 wt. % in relation to the at least one first layer. ### Claim 18 (depends on 7) The non-stick coating according to claim 7, wherein the organic substances include one or more of PPSO2 or aramide, and wherein the organic substances have a proportion of 2 to 8 wt. % relation to the at least one first layer.