Patent ID: 7232860
Filing Date: 2007-06-19
Classification: C08F

Abstract:
1. An aqueous binder dispersion comprising at least one copolymer (P) containing carboxylic acid and/or carboxylate groups, the copolymer (P) containing structural units of carboxyl-free (meth)acrylic esters with a cycloaliphatic structure, and at least 25 mol % of the carboxylic acid and/or carboxylate groups of the copolymer (P) in the dispersion being present in triethanolamine-neutralized form, wherein the copolymer (P) is prepared from the group of the monomers (M) comprising (M1) 10 to 50% by weight of cycloaliphatic esters of (meth)acrylic acid or mixtures thereof, (M2) 20 to 60% by weight of hydroxyl-functional free-radically polymerizable monomers, (M3) 1 to 5% by weight of carboxyl-functional free-radically polymerizable monomers, (M4) 0 to 10% by weight of free-radically polymerizable monomers containing phosphate/phosphonate groups or sulphonic acid/sulphonate groups, and (M5) 10 to 60% by weight of hydroxyl- and carboxyl-free (meth)acrylic esters with C the sums of the components adding up to 100% by weight.