Abstract: Described herein is a mixer system for producing aqueous coating materials from at least one aqueous pigment paste A, including at least one color pigment, and at least one pigment-free component B, including an aqueous, acrylate-based microgel dispersion having a glass transition temperature Tg of 50 to 60° C., where both the aqueous pigment paste A and the component B each have a VOC value of less than or equal to 250 g/L. Further described herein is a method for producing aqueous coating materials having a VOC content of 0 to 250 g/L, in which the individual components A and B are stored separately and not mixed until shortly before application, to give the aqueous coating material. Further described herein is a method of using the mixer system for producing aqueous coating materials for refinishing and/or for coating automobile bodies and/or plastics parts.

Abstract: Described herein is a mixer system for producing aqueous coating materials from at least one aqueous pigment paste A, including at least one effect pigment, and at least one pigment-free component B, including an aqueous, acrylate-based microgel dispersion having a glass transition temperature Tg of 50 to 60° C., where both the aqueous pigment paste A and the component B each have a VOC value of less than or equal to 250 g/L. Further described herein is a method for producing aqueous coating materials having a VOC content of 0 to 250 g/L, in which the individual components A and B are stored separately and not mixed until shortly before application, to give the aqueous coating material. Further described herein is a method of using the mixer system of for producing aqueous coating materials for refinishing and/or for coating automobile bodies and/or plastics parts.

Abstract: Described herein is a mixer system for producing aqueous coating materials from at least one aqueous pigment paste A, including at least one color pigment, and at least one pigment-free component B, including an aqueous, acrylate-based microgel dispersion having a glass transition temperature Tg of 50 to 60° C., where both the aqueous pigment paste A and the component B each have a VOC value of less than or equal to 250 g/L. Further described herein is a method for producing aqueous coating materials having a VOC content of 0 to 250 g/L, in which the individual components A and B are stored separately and not mixed until shortly before application, to give the aqueous coating material. Further described herein is a method of using the mixer system for producing aqueous coating materials for refinishing and/or for coating automobile bodies and/or plastics parts.

Abstract: Described herein is a mixer system for producing aqueous coating materials from at least one aqueous pigment paste A, including at least one effect pigment, and at least one pigment-free component B, including an aqueous, acrylate-based microgel dispersion having a glass transition temperature Tg of 50 to 60° C., where both the aqueous pigment paste A and the component B each have a VOC value of less than or equal to 250 g/L. Further described herein is a method for producing aqueous coating materials having a VOC content of 0 to 250 g/L, in which the individual components A and B are stored separately and not mixed until shortly before application, to give the aqueous coating material. Further described herein is a method of using the mixer system of for producing aqueous coating materials for refinishing and/or for coating automobile bodies and/or plastics parts.

Abstract: Provided herein is a mixer system for producing refinish compositions, more particularly for the sector of automotive finishing, including at least mutually different components (1), (2), and (3), namely component (1) as base varnish, component (2) as tinting base, and component (3) as rheology module, with at least one of components (1) to (3) including at least one aqueous dispersion including at least one polymer prepared by multistage emulsion polymerization, and at least one of components (1) to (3) including at least one aliphatic monoalcohol having 5 carbon atoms and/or at least one aliphatic monoalcohol having 6 carbon atoms. Further provided herein is an aqueous refinish composition that is produced by the mixing of components (1) to (3), and a method for producing aqueous refinish compositions. Further provided herein is a use of the mixer system for producing aqueous refinish compositions for automotive refinishing.

Abstract: Provided herein is a mixer system for producing refinish compositions, more particularly for the sector of automotive finishing, including at least mutually different components (1), (2), and (3), namely component (1) as base varnish, component (2) as tinting base, and component (3) as rheology module, with at least one of components (1) to (3) including at least one aqueous dispersion including at least one polymer prepared by multistage emulsion polymerization, and at least one of components (1) to (3) including at least one aliphatic monoalcohol having 5 carbon atoms and/or at least one aliphatic monoalcohol having 6 carbon atoms. Further provided herein is an aqueous refinish composition that is produced by the mixing of components (1) to (3), and a method for producing aqueous refinish compositions. Further provided herein is a use of the mixer system for producing aqueous refinish compositions for automotive refinishing.

Abstract: The invention relates to binder-free spot blender compositions for one- and two-component clearcoat materials comprising at least one isocyanate compound, to processes for producing them, and to their use in automotive refinish.

Abstract: The present invention relates to an aqueous two-component primer composition comprising (1) a paint base component comprising (A) at least one polyurethane resin having an OH number of 5 to 60 mg KOH/g, (B) zinc phosphate, (C) at least one pigment, and (2) a curing component comprising (D1) at least one polyisocyanate which is an isocyanurate based on hexamethylene diisocyanate, (D2) at least one polyisocyanate which is a polyether-modified isocyanurate based on isophorone diisocyanate, where the stoichiometric ratio of isocyanate groups in the curing component to the complementary hydroxyl groups in the paint base component is greater than 2. The present invention further relates to a method for producing a coating on a metallic substrate, by applying the primer composition of the invention directly to a substrate. Moreover, the present invention relates to a substrate coated by the stated method.

Abstract: An UV- and thermally curable, solventborne clearcoat material suitable for automotive refinishing comprises: (A) at least one polyhydroxy-functional poly(meth)acrylate having grafted-on unsaturated (meth)acrylate side groups, (B) at least one polyisocyanate-functional, poly(meth)acrylate-functional aliphatic urethane, (C) at least one (meth)acrylate-functional aliphatic urethane free from isocyanate groups, (D) at least one hydroxy-functional, (meth)acrylate-functional aliphatic component free from isocyanate groups and from urethane groups and having a molecular weight of not more than 1000 g/mol and a (meth)acrylate functionality of at least 4, (E) at least one aliphatic polymercaptan, (F) at least one phosphoric acid or phosphonic acid blocked with an amine, the amine possessing a pKb of ?3 and a boiling point under atmospheric pressure of >100° C., and (G) at least one photoinitiator selected from the group consisting of ?-hydroxyalkyl phenyl ketones and monoacylphosphine oxides.

Abstract: The present invention relates to an aqueous two-component primer composition comprising (1) a paint base component comprising (A) at least one polyurethane resin having an OH number of 5 to 60 mg KOH/g, (B) zinc phosphate, (C) at least one pigment, and (2) a curing component comprising (D1) at least one polyisocyanate which is an isocyanurate based on hexamethylene diisocyanate, (D2) at least one polyisocyanate which is a polyether-modified isocyanurate based on isophorone diisocyanate, where the stoichiometric ratio of isocyanate groups in the curing component to the complementary hydroxyl groups in the paint base component is greater than 2. The present invention further relates to a method for producing a coating on a metallic substrate, by applying the primer composition of the invention directly to a substrate. Moreover, the present invention relates to a substrate coated by the stated method.

Abstract: An UV- and thermally curable, solventborne clearcoat material suitable for automotive refinishing comprises: (A) at least one polyhydroxy-functional poly(meth)acrylate having grafted-on unsaturated (meth)acrylate side groups, (B) at least one polyisocyanate-functional, poly(meth)acrylate-functional aliphatic urethane, (C) at least one (meth)acrylate-functional aliphatic urethane free from isocyanate groups, (D) at least one hydroxy-functional, (meth)acrylate-functional aliphatic component free from isocyanate groups and from urethane groups and having a molecular weight of not more than 1000 g/mol and a (meth)acrylate functionality of at least 4, (E) at least one aliphatic polymercaptan, (F) at least one phosphoric acid or phosphonic acid blocked with an amine, the amine possessing a pKb of ?3 and a boiling point under atmospheric pressure of >100° C., and (G) at least one photoinitiator selected from the group consisting of ?-hydroxyalkyl phenyl ketones and monoacylphosphine oxides.

Abstract: The abstract concerns a coating composition comprising 25-55% by weight of one or more film formers, 2.5-55% by weight of one or more fillers, 0-10% by weight of one or more additives, and 0-30% by weight of a solvent, based on the total weight of the coating composition. As the filler or a filler the composition comprises calcium hydrogen phosphate in a mass fraction of 2.5-20%, preferably 5-15%, more preferably 7.5-11% by weight based on the total weight of the coating composition. The invention further concerns processes for preparing this coating composition, its use as a coating material in the vehicle sector, and substrates produced therewith.

Abstract: The invention relates to binder-free spot blender compositions for one- and two-component clearcoat materials comprising at least one isocyanate compound, to processes for producing them, and to their use in automotive refinish.

Abstract: The abstract concerns a coating composition comprising 25-55% by weight of one or more film formers, 2.5-55% by weight of one or more fillers, 0-10% by weight of one or more additives, and 0-30% by weight of a solvent, based on the total weight of the coating composition. As the filler or a filler the composition comprises calcium hydrogen phosphate in a mass fraction of 2.5-20%, preferably 5-15%, more preferably 7.5-11% by weight based on the total weight of the coating composition. The invention further concerns processes for preparing this coating composition, its use as a coating material in the vehicle sector, and substrates produced therewith.

Abstract: A self-crosslinking powder coating material, comprising (A) up to 50% by weight, based on the powder coating material, of a mixture of (A1) at least one epoxy resin with an epoxy equivalent weight (EEW) <800 g, (A2) at least one epoxy resin with an epoxy equivalent weight (EEW) of from 800 to 1500 g, and (A3) at least one epoxy resin with an epoxy equivalent weight (EEW) >1500 g, and (B) at least 50% by weight, based on the powder coating material, of at least one filler; and its use to coat shaped parts, especially engine blocks, which after coating are shaped by machining.

Abstract: A powder-based coating composition for coating a substrate, having a first color effect, with a film layer is disclosed. Application of the film layer to the substrate produces a second color effect different from the first color effect. The composition includes a powder-based binder and a color effect-providing pigment. The powder-based binder is the reaction product of a resin, having a functional group, and a cross-linking agent reactive with the functional group. The color effect-providing pigment includes a pigment substrate and an inorganic coating. The pigment substrate has first and second substantially parallel and planar surfaces, and the inorganic coating is disposed on the first and second surfaces. The inorganic coating has an index of refraction of 1.8 or less. To produce the second color effect, the inorganic coating and the pigment substrate of the color effect-providing pigment interact with the first color effect of the substrate upon application of the film layer to the substrate.

Abstract: A self-crosslinking powder coating material, comprising

Abstract: A powder coating composition that includes at least about 9% by weight, based on total vehicle weight, of a branched carboxylic acid-functional polyester having a number average molecular weight of from about 425 to about 1050 and at least one vehicle component reactive with carboxylic acid groups comprising an epoxy-functional material, produces a matte, textured coating.

Abstract: A powder-based coating composition for coating a substrate, having a first color effect, with a film layer is disclosed. Application of the film layer to the substrate produces a second color effect different from the first color effect. The composition includes a powder-based binder and a color effect-providing pigment. The powder-based binder is the reaction product of a resin, having a functional group, and a cross-linking agent reactive with the functional group. The color effect-providing pigment includes a pigment substrate and an inorganic coating. The pigment substrate has first and second substantially parallel and planar surfaces, and the inorganic coating is disposed on the first and second surfaces. The inorganic coating has an index of refraction of 1.8 or less. To produce the second color effect, the inorganic coating and the pigment substrate of the color effect-providing pigment interact with the first color effect of the substrate upon application of the film layer to the substrate.

Abstract: A coating system and method for coating a substrate are disclosed. The coating system and method incorporate a powder-based coating composition, and a film layer of the composition is applied to the substrate, having a first color effect, to produce a second color effect different from the first color effect. The composition includes a powder-based binder and a color effect-providing pigment. The powder-based binder is the reaction product of a resin, having a functional group, and a cross-linking agent reactive with the functional group. The color effect-providing pigment includes a pigment substrate and an inorganic coating. The pigment substrate has first and second substantially parallel and planar surfaces, and the inorganic coating is disposed on the first and second surfaces. The inorganic coating has an index of refraction of 1.8 or less.