# US 2019/0375945 A1 · Low odor water-based coating composition > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0375945 A1 - Document ID: US20190375945A1 - Status: Published application - Kind: A1 - Application number: 16/463,161 - Filed: 2017-11-22 - Published: 2019-12-12 - Earliest claimed: 2016-11-22 - Assignees: Swimc LLC - Applicants: Valspar Sourcing, Inc. - Inventors: Emile STEVENS; Andrew HEARLEY - Web page: https://patentgrep.com/patent/US20190375945A1 ## CPC - C09D 5/004: {Reflecting paints; Signal paints} - C09D 5/022: {Emulsions, e.g. oil in water} - C09D 7/63: organic - C09D 133/02: Homopolymers or copolymers of acids; Metal or ammonium salts thereof - C09D 133/10: Homopolymers or copolymers of methacrylic acid esters - C09D 133/14: of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen - C09D 179/02: Polyamines - 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) ## Abstract A low odor aqueous coating composition is described. The composition is a waterbased latex coating composition that includes a binder component with at least one copolymer and a neutralizing component. The composition dries in less than about 10 minutes at a temperature between about 5 to 35° C. and a relative humidity between about 30 and 95% with a pH of 9.5 or less. The coating composition can be used for applications such as road marking and coating exterior surfaces, where use of a low-odor coating is desired. ## Claims ### Claim 1 A low odor aqueous coating composition for road marking, comprising: a binder component comprising a first resin component comprising an acrylic polymer derived from one or more ethylenically unsaturated monomers and a second resin component comprising a polyamine, thereby forming a copolymer or copolymer blend; and a neutralizing component, wherein the pH of the composition is less than 9.5 and wherein the coating composition dries in less than about 10 minutes at a temperature between about 5 to 35° C. ### Claim 2 (depends on 1) The composition of claim 1, wherein the coating composition dries with a relative humidity between about 30 and 95%. ### Claim 3 (depends on 1) The composition of claim 1, wherein the first resin component is an emulsion polymer derived from one or more ethylenically unsaturated monomers. ### Claim 4 (depends on 1) The composition of claim 1, wherein the first resin component is a (meth)acrylic latex polymer. ### Claim 5 (depends on 1) The composition of claim 1, wherein the second resin component is an amphoteric polyamine. ### Claim 6 (depends on 5) The composition of claim 5, wherein the amphoteric polyamine is selected from a group consisting of acrylated tertiary amine, dimethyl amino ethyl methacrylate, diethyl amino methacrylate and combination thereof. ### Claim 7 (depends on 5) The composition of claim 5, wherein the amphoteric polyamine is water-soluble. ### Claim 8 (depends on 5) The composition of claim 5, wherein the amphoteric polyamine has molecular weight (Mn) of less than about 400. ### Claim 9 (depends on 1) The composition of claim 1, wherein the second resin component is a polyamino-functional copolymer of a (meth)acrylic acid-derived polymer. ### Claim 10 (depends on 9) The composition of claim 9, wherein the (meth)acrylic acid-polymer is derived from one or more monomers selected from acrylic acid, methacrylic acid, methyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate (2-EHA), methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, 2-ethylhexyl methacrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxybutyl acrylate, hydroxybutyl methacrylate, glycidyl methacrylate, 4-hydroxybutyl acrylate glycidyl ether, acetoacetoxy ethyl methacrylate (AAEM), diacetone acrylamide (DAAM), acrylamide, methacrylamide, methylol (meth)acrylamide, styrene, alpha-methyl styrene, vinyl toluene, vinyl propionate, allyl methacrylate, and mixtures thereof. ### Claim 11 (depends on 1) The composition of claim 1, wherein the one or more ethylenically unsaturated monomers are selected from acrylic acid, C1-C8 esters of acrylic acid, substituted C1-C8 esters of acrylic acid, methacrylic acid, C1-C8 esters of methacrylic acid, substituted C1-C8 esters of methacrylic acid, styrene, alpha-methyl styrene, vinyl toluene, vinyl acetate, vinyl propionate, allyl methacrylate, and mixtures thereof. ### Claim 12 (depends on 1) The composition of claim 1, wherein the polyamine component is derived from one or more amino-functional selected from amine-terminated aliphatic hydrocarbons, amine-terminated cycloaliphatic hydrocarbons, polyimines, polyethers, polyamides, polyquarternary ammonium salts, compounds derived from epichlorohydrin, polyesters, polycarbonates, polycaprolactones, and mixtures thereof. ### Claim 13 (depends on 1) The composition of claim 1, wherein the binder component has solid content of at least 50%. ### Claim 14 (depends on 1) The composition of claim 1, wherein the coating composition has pigment volume concentration (PVC) of at least about 50%. ### Claim 15 (depends on 14) The composition of claim 14, wherein the coating composition has pigment volume concentration (PVC) of about 60 to 70%. ### Claim 16 (depends on 1) The composition of claim 1, wherein the neutralizing component includes an aqueous solution of one or more bases. ### Claim 17 (depends on 16) The composition of claim 16, wherein the neutralizing component includes about 0.5 to 3 wt % of one or more bases, based on the total weight of the neutralizing component. ### Claim 18 (depends on 16) The composition of claim 16, wherein the neutralizing component is a solution of one or more bases in water. ### Claim 19 (depends on 16) The composition of claim 16, wherein the neutralizing component is a solution of one or more bases in a non-aqueous medium. ### Claim 20 (depends on 16) The composition of claim 16, wherein the one or more bases is selected from hydroxides of alkali metals, amines, alkyl amines, hydroxy-functional amines, cycloaliphatic amines, aryl amines, heteroaryl amines, and mixtures thereof. ### Claim 21 (depends on 16) The composition of claim 16, wherein the one or more bases is selected from potassium hydroxide, 2-amino-2-methyl propanol, and mixtures thereof. ### Claim 22 (depends on 16) The composition of claim 16, wherein the neutralizing component is substantially free of ammonia. ### Claim 23 (depends on 16) The composition of claim 16, wherein the neutralizing component includes no more than about 0.1 percent by weight of ammonia, based on the total weight of the composition. ### Claim 24 A method for making a low odor water-based road marking paint, comprising: providing a first resin component comprising a latex polymer derived from one or more ethylenically unsaturated monomers; providing a second resin component comprising a low molecular weight polyamino-functional polymer; combining the first and second resin components to form a copolymer blend; providing a neutralizing component; and adding the neutralizing component to the copolymer blend, wherein the pH of the low odor composition is less than 9.5. ### Claim 25 (depends on 24) The method of claim 24, wherein providing a neutralizing component comprises providing one or more bases substantially free of ammonia; and mixing the one or more bases with a solvent to form a solution. ### Claim 26 (depends on 25) The method of claim 25, wherein the solvent is an aqueous carrier. ### Claim 27 (depends on 24) The method of claim 24, wherein the neutralizing component is added to the first and second resin components as the copolymer blend is formed. ### Claim 28 (depends on 24) The method of claim 24, wherein the neutralizing component is added to the first and second resin components after the copolymer blend is formed. ### Claim 29 A low odor aqueous coating composition for coating an exterior surface, comprising: a binder component comprising a first resin component comprising an acrylic polymer derived from one or more ethylenically unsaturated monomers and a second resin component comprising a polyamine, thereby forming a copolymer or copolymer blend; and a neutralizing component, wherein the pH of the composition is less than 9.5 and wherein the coating composition dries in less than about 10 minutes at a temperature between about 5 to 35° C. ### Claim 30 (depends on 29) The composition of claim 29, wherein the coating composition dries with a relative humidity between about 30 and 95%. ### Claim 31 (depends on 29) The composition of claim 29, wherein the first resin component is an emulsion polymer derived from one or more ethylenically unsaturated monomers. ### Claim 32 (depends on 29) The composition of claim 29, wherein the first resin component is a (meth)acrylic latex polymer. ### Claim 33 (depends on 29) The composition of claim 29, wherein the second resin component is an amphoteric polyamine. ### Claim 34 (depends on 33) The composition of claim 33, wherein the amphoteric polyamine is selected from a group consisting of acrylated tertiary amine, dimethyl amino ethyl methacrylate, diethyl amino methacrylate and combination thereof. ### Claim 35 (depends on 33) The composition of claim 33, wherein the amphoteric polyamine is water-soluble. ### Claim 36 (depends on 33) The composition of claim 33, wherein the amphoteric polyamine has molecular weight (Mn) of less than about 400. ### Claim 37 (depends on 29) The composition of claim 29, wherein the second resin component is a polyamino-functional copolymer of a (meth)acrylic acid-derived polymer. ### Claim 38 (depends on 37) The composition of claim 37, wherein the (meth)acrylic acid-polymer is derived from one or more monomers selected from acrylic acid, methacrylic acid, methyl acrylate, ethyl acrylate, 2-ethylhexyl acrylate (2-EHA), methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, 2-ethylhexyl methacrylate, hydroxyethyl acrylate, hydroxyethyl methacrylate, hydroxybutyl acrylate, hydroxybutyl methacrylate, glycidyl methacrylate, 4-hydroxybutyl acrylate glycidyl ether, acetoacetoxy ethyl methacrylate (AAEM), diacetone acrylamide (DAAM), acrylamide, methacrylamide, methylol (meth)acrylamide, styrene, alpha-methyl styrene, vinyl toluene, vinyl propionate, allyl methacrylate, and mixtures thereof. ### Claim 39 (depends on 29) The composition of claim 29, wherein the one or more ethylenically unsaturated monomers are selected from acrylic acid, C1-C8 esters of acrylic acid, substituted C1-C8 esters of acrylic acid, methacrylic acid, C1-C8 esters of methacrylic acid, substituted C1-C8 esters of methacrylic acid, styrene, alpha-methyl styrene, vinyl toluene, vinyl acetate, vinyl propionate, allyl methacrylate, and mixtures thereof. ### Claim 40 (depends on 29) The composition of claim 29, wherein the polyamine component is derived from one or more amino-functional selected from amine-terminated aliphatic hydrocarbons, amine-terminated cycloaliphatic hydrocarbons, polyimines, polyethers, polyamides, polyquarternary ammonium salts, compounds derived from epichlorohydrin, polyesters, polycarbonates, polycaprolactones, and mixtures thereof. ### Claim 41 (depends on 29) The composition of claim 29, wherein the binder component has solid content of at least 50%. ### Claim 42 (depends on 29) The composition of claim 29, wherein the coating composition has pigment volume concentration (PVC) of at least about 50%. ### Claim 43 (depends on 42) The composition of claim 42, wherein the coating composition has pigment volume concentration (PVC) of about 60 to 70%. ### Claim 44 (depends on 29) The composition of claim 29, wherein the neutralizing component includes an aqueous solution of one or more bases. ### Claim 45 (depends on 44) The composition of claim 44, wherein the neutralizing component includes about 0.5 to 3 wt % of one or more bases, based on the total weight of the neutralizing component. ### Claim 46 (depends on 44) The composition of claim 44, wherein the neutralizing component is a solution of one or more bases in water. ### Claim 47 (depends on 44) The composition of claim 44, wherein the neutralizing component is a solution of one or more bases in a non-aqueous medium. ### Claim 48 (depends on 44) The composition of claim 44, wherein the one or more bases is selected from hydroxides of alkali metals, amines, alkyl amines, hydroxy-functional amines, cycloaliphatic amines, aryl amines, heteroaryl amines, and mixtures thereof. ### Claim 49 (depends on 44) The composition of claim 44, wherein the one or more bases is selected from potassium hydroxide, 2-amino-2-methyl propanol, and mixtures thereof. ### Claim 50 (depends on 44) The composition of claim 44, wherein the neutralizing component is substantially free of ammonia. ### Claim 51 (depends on 44) The composition of claim 44, wherein the neutralizing component includes no more than about 0.1 percent by weight of ammonia, based on the total weight of the composition. ### Claim 52 (depends on 1) The composition of claim 1, wherein the pH of the composition is 7 to 9.5. ### Claim 53 (depends on 1) The composition of claim 1, wherein the pH of the composition is less than 9. ### Claim 54 (depends on 1) The composition of claim 1, wherein the pH of the composition is less than 8.7. ### Claim 55 (depends on 1) The composition of claim 1, wherein the pH of the composition is 7.5 to 8.5.