| 主权项 |
1. A radiation-curable aqueous dispersion based on polyurethane acrylates consisting of as builder components
A) one or more compounds of monohydroxy-functional alcohols comprising (meth)acrylate groups, B) polyester polyols obtained from components consisting of
B1) 1,2-Ethanediol, 1,2-propanediol, 1,3-propanediol, neopentyl glycol, trimethylolpropane, glycerol and/or castor oil, andB2) phthalic acid, phthalic anhydride, isophthalic acid and/or terephthalic acid, C) optionally monomeric mono-, di- and/or triols in each case having a molecular weight of from 32 to 240 g/mol, D) one or more compounds having at least one group which is reactive towards isocyanate, and additionally having groups which are nonionic, ionic or capable of the formation of ionic groups, which have a dispersing action for the polyurethane dispersion, E) organic polyisocyanates, and F) optionally mono- and diamines and/or mono- or difunctional amino alcohols compounds,and optionally reactive diluents comprising at least one group which can undergo free radical polymerization. |
