# US 9,040,649 B2 · Coatings repairable by introduction of energy > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,040,649 B2 - Document ID: US9040649B2 - Status: Granted - Kind: B2 - Application number: 14/045,356 - Filed: 2013-10-03 - Published: 2014-01-30 - Granted: 2015-05-26 - Earliest claimed: 2010-04-09 - Assignees: BASF SE - Applicants: BASF SE - Inventors: Oihana Elizalde; Frederic Lucas; Angelika Maria Steinbrecher; Lydie Tuchbreiter; Axel Pfahler; Rolf Muelhaupt - Web page: https://patentgrep.com/patent/US9040649B2 ## CPC - C09D 133/08: Homopolymers or copolymers of acrylic acid esters - C08G 18/4063: {Mixtures of compounds of group C08G18/62 with other macromolecular compounds} - C08G 18/4891: {modified with higher fatty oils or their acids or by resin acids} - C08G 18/6225: {Polymers of esters of acrylic or methacrylic acid} - C08G 18/792: {formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates} - C09D 175/04: Polyurethanes - 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 present invention relates to coating compositions repairable by introduction of energy and comprising defined fatty acid esters, to coatings obtained therewith and repairable by introduction of energy, to methods of producing them, and to their use. ## Claims ### Claim 1 A coating composition comprising as constituent components (A) at least one ester which has at least two hydroxyl groups, formally constructed of (A1) at least one fatty acid which contains at least 12 carbon atoms and (A2) at least one polyol having at least three hydroxyl groups, (B) at least one nonblocked or blocked di- or polyisocyanate, and (C) at least one polyhydroxy compound, wherein the melting point of the compound (A) is at least 45° C. ### Claim 2 (depends on 1) The coating composition according to claim 1, wherein said compound (A1) is an alkane-or alkenecarboxylic acid. ### Claim 3 (depends on 1) The coating composition according to claim 1, wherein said compound (A1) is selected from the group consisting of lauric acid, myristic acid, pentadecanoic acid, palmitic acid, margaric acid, stearic acid, nonadecanoic acid, arachidic acid, behenic acid, lignoceric acid, hexacosanoic acid, octacosanoic acid, triacontanoic acid, dotricosanoic acid, tritricosanoic acid, tetratricosanoic acid, and pentatricosanoic acid, oleic acid, linoleic acid, and linolenic acid. ### Claim 4 (depends on 1) The coating composition according to claim 1, wherein compound (A2) contains three to six hydroxyl groups. ### Claim 5 (depends on 1) The coating composition according to claim 1, wherein said compound (A2) is at least one compound selected from the group consisting of trimethylolbutane, trimethylolpropane, trimethylolethane, pentaerythritol, glycerol, ditrimethylolpropane, dipentaerythritol, sorbitol, mannitol, diglycerol, threitol, erythritol, adonitol (ribitol), arabitol (lyxitol), xylitol, dulcitol (galactitol), maltitol, and isomalt. ### Claim 6 (depends on 1) The coating composition according to claim 1, wherein said compound (A2) is singly to triply alkoxylated per hydroxyl group. ### Claim 7 (depends on 1) The coating composition according claim 1, wherein said compound (A2) is singly to triply ethoxylated per hydroxyl group. ### Claim 8 (depends on 1) The coating composition according to claim 1, wherein compound (B) is at least one compound selected from the group consisting of urethanes, biurets, and isocyanurates of 1,6-hexamethyIene diisocyanate (HDI) or 1-isocyanato-3-isocyanatomethyl-3,5,5-trimethylcyclohexane. ### Claim 9 (depends on 1) The coating composition according to claim 1, wherein compound (C) has a hydroxyl number of 16.5 to 264 mg KOH/g resin solids. ### Claim 10 (depends on 1) The coating composition according to claim 1, comprising: (A) from 0.1% to 20% by weight, (B) from 20% to 50% by weight, (C) from 20% to 50% by weight, typical coatings additives (D) from 0% to 5% by weight, pigments and/or fillers (E) from 0% to 60% by weight, with the proviso that the sum is always 100% by weight. ### Claim 11 (depends on 1) A method of self-healing cured coatings, which comprises heating a coating of said coating composition according to claim 1 for a period of at least 10 minutes to a temperature which lies at least 25° C. above the glass transition temperature of the coating. ### Claim 12 A coating method comprising applying (A) at least one ester which has at least two hydroxyl groups, formally constructed of (A1) at least one fatty acid which contains at least 12 carbon atoms and (A2) at least one polyol having at least three hydroxyl groups., (B) at least one nonblocked or blocked di- or polyisocyanate, and (C) at least one polyhydroxy compound, wherein the melting point of the compound (A) is at least 45° C. as reactants with-di- and polyisocyanates in a two-component polyurethane coating material. ### Claim 13 (depends on 1) The coating composition according to claim 1, wherein compounds (A) has on average 2 to 20 hydroxyl groups. ### Claim 14 (depends on 1) The coating composition according to claim 1, wherein compounds (A) has on average 2 to 3 hydroxyl groups. ### Claim 15 (depends on 1) The coating composition according to claim 1, wherein hydroxyl groups are present in compounds (A) in amounts of up to 5 mol/kg. ### Claim 16 (depends on 1) The coating composition according to claim 1, wherein hydroxyl groups are present in compounds (A) in amounts of 1 to 3 mol/kg. ### Claim 17 (depends on 1) The coating composition according to claim 1, wherein said alkanecarboxylic acid contains up to 100 carbon atoms. ### Claim 18 (depends on 1) The coating composition according to claim 1, wherein said alkanecarboxylic acid contains up to 60 carbon atoms. ### Claim 19 (depends on 1) The coating composition according to claim 1, wherein said compound (B) has a NCO functionality of at least 1.8. ### Claim 20 (depends on 1) The coating composition according to claim 1, wherein said compound (B) has a NCO functionality of 1.8 to 5.