Abstract: A water-based coating composition containing two parts A and B: (A) a binder component containing a waterborne epoxy dispersion, dispersed inorganic particles, and a polymeric dispersant; and (B) a hardener component, and a ratio of the component (A) and the component (B) is 90:1 to 2:1. The polymeric dispersant contains anti-agglomerating functional groups that are unreactive with oxirane groups of the epoxy dispersion.

Abstract: A water-based coating composition containing two parts (Parts A and B), (A) binder component containing a waterborne epoxy dispersion and dispersed inorganic particles with a polymeric dispersant and (B) hardener component. The polymeric dispersant contains anti-agglomerating functional groups that are unreactive with oxirane groups of the epoxy dispersion.

Abstract: The present invention relates to a composition comprising an amphoteric polymer having pendant acid groups, or salts thereof, and pendant mono- or dialkylamino ethylene oxide groups or alkylammonium ethylene oxide groups characterized by either of the following formulas: where R1-R3 and X? are as defined herein. The composition of the present invention improves hiding efficiency for coating compositions formulated using associative rheology modifiers, binders, and titanium dioxide.

Abstract: The present invention relates to a stable aqueous pigment dispersion including: an aqueous medium, pigment particles, and from 0.1% to 15%, by weight based on the weight of pigment, of a certain first water-soluble polymer; and 2) a certain second water-soluble polymer; wherein the dispersant comprises a proportion of the first polymer to the second polymer of from 0.1:1 to 10:1 on a solids basis, and the first polymer and the second polymer are miscible in those proportions; and wherein the dispersant is substantially free of structural units of phosphorus acid monomers and their salts. The invention also relates to a method for forming the stable aqueous dispersion and a dry coating formed from the aqueous dispersion. The stable aqueous dispersion is useful, inter alia, for forming certain composite particles.

Abstract: The present invention relates to a stable aqueous pigment dispersion including: an aqueous medium, pigment particles, and from 0.1% to 15%, by weight based on the weight of pigment, of a certain first water-soluble polymer; and 2) a certain second water-soluble polymer; wherein the dispersant comprises a proportion of the first polymer to the second polymer of from 0.1:1 to 10:1 on a solids basis, and the first polymer and the second polymer are miscible in those proportions; and wherein the dispersant is substantially free of structural units of phosphorus acid monomers and their salts. The invention also relates to a method for forming the stable aqueous dispersion and a dry coating formed from the aqueous dispersion. The stable aqueous dispersion is useful, inter alia, for forming certain composite particles.

Abstract: A stable aqueous dispersion including certain composite particles and a method for forming the stable aqueous dispersion is provided. The composite particles include a pigment particle, the pigment particle having disposed thereon a certain water-soluble polymer including copolymerized carboxylic acid monomer and N-containing monomer and the pigment particle bearing the water-soluble polymer having disposed on it a plurality of water-insoluble polymer particles. Also provided is a dry coating formed from the aqueous dispersion.

Abstract: The present invention is a composition comprising a) a stable aqueous dispersion of polymer particles functionalized with structural units of a phosphorus acid monomer or a salt thereof and; b) a dispersion of pigment particles stabilized by an adsorbing water-soluble dispersant functionalized with structural units of a sulfonic acid monomer or a salt thereof. The composition of the present invention is useful in providing excellent storage stability for pigmented paints formulated with the sulfonic acid functionalized dispersant described herein.

Abstract: A stable aqueous dispersion including certain composite particles and a method for forming the stable aqueous dispersion is provided. The composite particles include a pigment particle, the pigment particle having disposed thereon a certain water-soluble polymer including copolymerized carboxylic acid monomer and N-containing monomer and the pigment particle bearing the water-soluble polymer having disposed on it a plurality of water-insoluble polymer particles. Also provided is a dry coating formed from the aqueous dispersion.

Abstract: The present invention relates to a composition comprising a stable aqueous dispersion of polymer particles and a dispersant adsorbed onto the surfaces of TiO2 particles, wherein the dispersant is a water-soluble polymer functionalized with structural units of a carboxylic acid ester and tris(hydroxymethyl)aminomethane. The composition of the present invention is particularly useful for achieving high hiding for paints containing associative thickeners.

Abstract: The present invention is a composition comprising a) a stable aqueous dispersion of polymer particles functionalized with structural units of a phosphorus acid monomer or a salt thereof and; b) a dispersion of pigment particles stabilized by an adsorbing water-soluble dispersant functionalized with structural units of a sulfonic acid monomer or a salt thereof. The composition of the present invention is useful in providing excellent storage stability for pigmented paints formulated with the sulfonic acid functionalized dispersant described herein.

Abstract: The present invention relates to a composition comprising a stable aqueous dispersion of polymer particles and a dispersant adsorbed onto the surfaces of TiO2 particles, wherein the dispersant is a water-soluble polymer functionalized with structural units of a carboxylic acid ester and tris(hydroxymethyl)aminomethane. The composition of the present invention is particularly useful for achieving high hiding for paints containing associative thickeners.

Abstract: The present invention relates to a polymer comprising hindered primary amine groups bonded to the backbone of the polymer by way of an amide, ester, or thioester linkage. The polymer is particularly useful as an adjuvant, especially for isothiazolone, and as a dispersant and stain blocker in coatings formulations.

Abstract: The present invention relates to a composition which comprises a stable aqueous dispersion of discrete polymer particles and a water-soluble dispersant adsorbed onto the surfaces of pigment particles, wherein the polymer particles comprise structural units of a sulfonic acid monomer or a salt thereof. The present invention addresses a need in the art by providing a way to improve the hiding efficiency of compositions containing pigment such as TiO2 and associative rheology modifiers.

Abstract: The present invention relates to a composition comprising a water-soluble dispersant comprising structural units of a sulfonic acid monomer or a salt thereof and a co-monomer. The dispersant of the present invention addresses a need in the art by providing a way to improve the hiding efficiency of coatings compositions.

Abstract: The present invention relates to a composition comprising an amphoteric polymer having pendant acid groups, or salts thereof, and pendant mono- or dialkylamino ethylene oxide groups or alkylammonium ethylene oxide groups characterized by either of the following formulas: where R1-R3 and X? are as defined herein. The composition of the present invention improves hiding efficiency for coating compositions formulated using associative rheology modifiers, binders, and titanium dioxide.

Abstract: The present invention relates to a polymer comprising hindered primary amine groups bonded to the backbone of the polymer by way of an amide, ester, or thioester linkage. The polymer is particularly useful as an adjuvant, especially for isothiazolone, and as a dispersant and stain blocker in coatings formulations.

Abstract: The present invention relates to a composition which comprises a stable aqueous dispersion of discrete polymer particles and a water-soluble dispersant adsorbed onto the surfaces of pigment particles, wherein the polymer particles comprise structural units of a sulfonic acid monomer or a salt thereof. The present invention addresses a need in the art by providing a way to improve the hiding efficiency of compositions containing pigment such as TiO2 and associative rheology modifiers.

Abstract: The present invention relates to a composition comprising a water-soluble dispersant comprising structural units of a sulfonic acid monomer or a salt thereof and a co-monomer. The dispersant of the present invention addresses a need in the art by providing a way to improve the hiding efficiency of coatings compositions.