Abstract: A multi-part water-borne coating composition is provided. The multi-part composition includes water, a first part, and a second part. The first part comprises (a1) a core-shell latex copolymer having pendant hydroxyl and pendant carbonyl groups. The second part comprises (b1) at least one polyisocyanate compound having pendant —NCO groups. The multi-part composition also includes at least one polyhydrazide compound having at least two hydrazide groups of the formula —C(?O)—NH—N(Rh)(Ri), wherein Rh and Ri are independently H or C1-C12 alkyl. The molar ratio of hydroxyl groups to —NCO groups in the composition is from 5:1 to 1:5. The molar ratio of hydrazide groups to carbonyl groups in the composition is from 5:1 to 1:5.

Abstract: A water-borne coating composition is provided. The water-borne coating composition includes water, a binder, and a crosslinker. The binder comprises (a1) a core-shell latex copolymer having pendant carbonyl groups. The crosslinker comprises (b1) at least one polyhydrazide compound having at least two hydrazide groups of the formula —C(?O)—NH—N(Rh)(Ri), wherein Rh and Ri are independently H or C1-C12 alkyl. The molar ratio of hydrazide groups to carbonyl groups in the composition is from 5:1 to 1:5.

Abstract: Coating systems, composite articles formed from the coating systems, and methods of forming the composite articles are provided herein. In an embodiment, a coating system comprises a waterborne underlying composition comprising an acrylic latex resin and a two-part waterborne clearcoat composition. The two-part waterborne clearcoat composition comprises a clearcoat binder part and a clearcoat crosslinker part. The clearcoat binder part comprises a water-dilutable, hydroxyl-functional (meth)acrylate copolymer. The clearcoat crosslinker part comprises a polyisocyanate compound having pendant —NCO groups. A cured film of the waterborne clearcoat composition having a film thickness of 67.5 ?m overlying a cured film of the waterborne underlying composition having a film thickness of 20 ?m disposed on a substrate exhibits a popping density of less than about 3 pops per square centimeter, as measured by visual observation with the naked eye at a distance of 30 cm under a fluorescent light source.

Abstract: Methods of coating a substrate are provided. In an exemplary embodiment, a coating composition is applied to the substrate with a high transfer efficiency applicator to produce a coating layer, where the high transfer efficiency applicator and the substrate remain spatially separate while the coating composition is applied. A droplet of the coating composition expelled from the high transfer efficiency applicator has a particle size of about 10 microns or greater. The coating composition has a viscosity of from about 1,000 to about 1,000,000 centipoise when the coating composition is subject to a shear rate of about 0.1 reciprocal seconds (s?1). However, the coating composition is non-Newtonian such that a coating composition viscosity decreases when the shear rate is increased to the coating composition. The coating layer is impinged with a gas such that a coating layer surface moves upon impingement with the gas.

Abstract: Conductive aqueous dispersions for application as coatings, and methods for producing conductive aqueous dispersions are provided. In an embodiment, a method for producing a conductive aqueous dispersion includes mixing water, solvent, and binder to form a homogenous mixture. Further, the method includes adding carbon nanotubes to the homogenous mixture and mixing at high shear to form the dispersion.

Abstract: A two-part (2K) water-borne coating composition includes water; a) a binder part comprising (a1) a hydroxyl-functional (meth)acrylate copolymer; (a2) a non-aromatic polyester having active hydrogen groups; and b) a crosslinker part comprising a polyisocyanate compound having pendant —NCO groups, wherein the (a2) non-aromatic polyester has a number average molecular weight (Mn) of from 500 to 5000 Daltons, an acid value from 0 to 30 mg KOH/g, a calculated hydroxyl value of from 100 to t 600 mg KOH/g and a calculated hydroxyl functionality of from 2 to 8; and wherein the (a1) (meth)acrylate copolymer is the reaction product of a monomer mixture which comprises i) a hydroxyl functional adduct of a monoepoxyester and an unsaturated carboxylic acid; ii) a hydroxyl functional unsaturated monomer which is different from component i); iii) an unsaturated acid functional monomer; and iv) a (meth)acrylate monomer represented by Formula H2C?CGaCO2Ra??(MA).

Abstract: A two-part water-borne coating composition includes water, a) a binder part comprising (a1) a water-dilutable hydroxyl-functional (meth)acrylate copolymer; and b) a crosslinker part comprising a polyisocyanate compound having pendant—NCO groups, wherein the (meth)acrylate copolymer is the reaction product of a monomer mixture comprising, based on the total weight of monomers of the monomer mixture: from 20 to 60 wt. % of i) a hydroxyl functional adduct of a monoepoxyester and an unsaturated carboxylic acid; from 10 to 30 wt. % of ii) a hydroxyl functional unsaturated monomer different from component i); from 2 to 6 wt. % of iii) an acid functional monomer; from 20 to 60 wt. % of iv) a (meth)acrylate monomer represented by Formula H2C?CGaCO2Ra (MA); from 0 to 15 wt. % of v) a vinyl aromatic monomer; and from 0 to 20 wt. % of vi) an unsaturated monomer that is different from monomer components i) to v).

Abstract: A two-part (2K) water-borne coating composition includes a) a binder part comprising (a1) at least one hydroxyl-functional (meth)acrylate copolymer; and (a2) at least one non-aromatic polyester having active hydrogen groups; and b) a crosslinker part comprising at least one polyisocyanate compound having pendant —NCO groups, wherein the non-aromatic polyester of constituent (a2) has a number average molecular weight (Mn) of from 500 to 5000 Daltons, an acid value from about 0 to about 30 mg KOH/g, a calculated hydroxyl value of from about 100 to about 600 mg KOH/g and, a calculated hydroxyl functionality of from about 2 to about 8; and, wherein the molar ratio of active hydrogen atoms to —NCO groups in the composition is from 5:1 to 1:5.

Abstract: Waterborne top coat compositions, processes for preparing such compositions, and methods for forming top coats on substrates are provided. In an embodiment, a waterborne top coat composition includes water, pigment(s) and resin solids. The resin solids comprise about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids comprising about 1 to about 40 wt. % of an acrylic/(meth)acryl copolymer hybrid binder, and about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %.

Abstract: Waterborne top coat compositions, processes for preparing such compositions, and methods for forming top coats on substrates are provided. In an embodiment, a waterborne top coat composition includes water, pigment(s) and resin solids. The resin solids comprise about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids comprising about 1 to about 40 wt. % of an acrylic/(meth)acryl copolymer hybrid binder, and about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %.

Abstract: Methods for forming top coats include spray-applying a waterborne top coat composition on the substrate to form a top coat layer, wherein the waterborne top coat composition comprises water, pigment(s) and resin solids, the resin solids comprising about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids comprising about 1 to about 40 wt. % of a urethanized polyester/(meth)acryl copolymer hybrid binder having a hydroxyl number of about 30 to about 200 mg KOH/g and a carboxyl number of about 8 to about 50 mg KOH/g, and about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %; and curing the top coat layer to form a cured top coat.

Abstract: This description relates to low VOC water borne coating compositions with improved application properties based on a binder mixture comprising an urethanized polyester and an acrylic two-step polymer. This description further relates to the use of the low VOC water borne coating compositions for forming a coating, preferably for forming a clear coat, and more preferably for forming a clear coat in refinishing applications. Moreover, this description also relates to a method of forming a multilayer coating comprising a step of forming a coating layer by using the low VOC water borne coating composition.

Abstract: Methods of coating a substrate are provided. In an exemplary embodiment, a coating composition is applied to the substrate with a high transfer efficiency applicator to produce a coating layer, where the high transfer efficiency applicator and the substrate remain spatially separate while the coating composition is applied. A droplet of the coating composition expelled from the high transfer efficiency applicator has a particle size of about 10 microns or greater. The coating composition has a viscosity of from about 1,000 to about 1,000,000 centipoise when the coating composition is subject to a shear rate of about 0.1 reciprocal seconds (s?1). However, the coating composition is non-Newtonian such that a coating composition viscosity decreases when the shear rate is increased to the coating composition. The coating layer is impinged with a gas such that a coating layer surface moves upon impingement with the gas.

Abstract: Waterborne top coat compositions, processes for preparing such compositions, and methods for forming top coats on substrates are provided. In an embodiment, a waterborne top coat composition includes water, pigment(s) and resin solids. The resin solids comprise about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids comprising about 1 to about 40 wt. % of a urethanized polyester/(meth)acryl copolymer hybrid binder having a hydroxyl number of about 30 to about 200 mg KOH/g and a carboxyl number of about 8 to about 50 mg KOH/g, and about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %.

Abstract: Waterborne top coat compositions, processes for preparing such compositions, and methods for forming top coats on substrates are provided. In an embodiment, a waterborne top coat composition includes water, pigment(s) and resin solids. The resin solids comprise about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids comprising about 1 to about 40 wt. % of an acrylic/(meth)acryl copolymer hybrid binder, and about 60 to about 99 wt. % of one or more additional binders, the sum of the respective wt. % in each case equaling 100 wt. %.

Abstract: This description relates to low VOC water borne coating compositions with improved application properties based on a binder mixture comprising an urethanized polyester and an acrylic two-step polymer. This description further relates to the use of the low VOC water borne coating compositions for forming a coating, preferably for forming a clear coat, and more preferably for forming a clear coat in refinishing applications. Moreover, this description also relates to a method of forming a multilayer coating comprising a step of forming a coating layer by using the low VOC water borne coating composition.

Abstract: This disclosure relates to a coating composition including a polyisocyanate chain extended NH functional pre-polymer, a method for coating of a metallic or plastic substrate as well as the use of the polyisocyanate chain extended NH functional pre-polymer for improving the adhesion of a coating composition on a metallic or plastic substrate and/or for improving the adhesion between two adjacent layers of multiple layers and the use of the coating composition in a one-component coating composition or two-component coating composition.

Abstract: This invention relates to a coating composition, a method for coating of a metallic substrate as well as the use of the coating in a two-component coating composition.

Abstract: Waterborne base coat compositions and processes for preparing base coat/clear top coat multi-layer coatings are provided. In an embodiment, a waterborne base coat composition includes water, pigment(s) and resin solids consisting of about 60 to 100 wt. % of binder solids and 0 to about 40 wt. % of crosslinker solids, the binder solids consisting of about 1 to about 40 wt. % of a urethanized polyester/(meth)acryl copolymer hybrid binder having a hydroxyl number of about 30 to about 200 mg KOH/g and a carboxyl number of about 8 to 50 mg KOH/g, and about 60 to about 99 wt. % of one or more further binders, the sum of the respective wt. % in each case equaling 100 wt. %.

Abstract: This invention relates to a coating composition, a method for coating of a metallic substrate as well as the use of a chain-extended aspartate prepolymer for improving the early hardness of the coating composition and in a two-component coating composition.