Patent ID: 8329798

Claim:
A curable aqueous composition comprising (a) at least one polycarboxy (co)polymer comprising at least two carboxylic acid groups, anhydride groups, or salts thereof prepared by solution or emulsion polymerization; (b) at least one polyol selected from the group consisting of diglycerol, triglycerol, tetraglycerol, pentaglycerol, hexaglycerol, ditrimethylolpropane, 1 to 15-ethoxylated pentaerythritol, 1 to 15-propoxylated ditrimethylolpropane, 1 to 15-ethoxylated ditrimethylolpropane, 1-15-ethoxylated dipentaerythritol, and mixtures thereof; and wherein the ratio of the number of equivalents of said carboxylic acid groups, anhydride groups, or salts thereof to the number of equivalents of said hydroxyl groups is from 1/0.01 to 1/3.