Patent ID: 8288485
Filing Date: 2012-10-16
Classification: C08G,C09J

Abstract:
1. A nonaqueous transparent dispersion of polyurethane(meth)acrylate particles in a diluent substance containing at least one ethylenic double bond, wherein the dispersion is obtained by reacting in the diluent substance a polyisocyanate with at least one polyol and a nucleophilically functionalized (meth)acrylic ester comprising a nucleophilic functional group which reacts with free isocyanate groups, characterized in that the polyurethane(meth)acrylate particles have an average diameter of less than 40 nm and the diluent substance does not participate in the reaction of the polyisocyanate with the at least one polyol and the nucleophilically functionalized (meth)acrylic ester.