Ppg Industries Ohio, Inc.

Pedro Velez-Herrera

Shanti Swarup

Kurt Gordon Olson

Maria Wang

Dennis L Faler

Xiangling Xu

Darin W Laird

John E Schwendeman

Tsukasa Mizuhara

Chad A Landis

Gereme Thomas Hensel

Qi Zheng

Jonathan G Weis

A crosslinker composition is prepared from a reaction mixture including: (a) a prepolymer including a reaction product of a prepolymer mixture including: (i) a polyfunctional isocyanate; and (ii) a first compound comprising two or more active hydrogen groups, where the polyfunctional isocyanate and/or the first compound comprising two or more active hydrogen groups includes a greater than two functional isocyanate and/or active hydrogen groups, respectively; and (b) a polyfunctional hydrazide. The crosslinker composition is not self-crosslinkable. The crosslinker composition has an acid value of at least 15 based on total resin solids of the crosslinker composition.

Polyfunctional hydrazide crosslinker

A coating composition is prepared from an aqueous dispersion of a mixture of (i) urethane acrylate resin particles; (ii) acrylic resin particles; and (iii) a matting agent. A method of imparting stain resistance to a substrate, comprising applying the coating composition to at least a portion of the substrate.

Stain resistant coating compositions

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Pittsburgh, PA, United States of America

Pedro Velez-Herrera