Patent ID: 7641975
Filing Date: 2010-01-05
Classification: C08G,C09D,Y10T

Abstract:
1. A one-component or multi-component coating agent comprising C1) one or more polyisocyanates having at least one ethylenic unsaturation and an isocyanate group content of 0.5-25 wt. %, and prepared by a process comprising reacting: a reaction mixture comprising at least one diisocyanate or polyisocyanate A with the product B of the reaction of B1 acrylic acid, methacrylic acid and/or dimeric acrylic acid and B2 glycidyl methacrylate and/or glycidyl acrylate, wherein B contains less than 0.2 wt. % of epoxide groups (calculated as M=42), C2) one or more compounds which have at least one isocyanate-reactive group and optionally comprise one or more functional groups which under the influence of actinic radiation react with ethylenically unsaturated compounds, with polymerization, C3) optionally further polyisocyanates, which optionally comprise one or more functional groups which under the influence of actinic radiation react with ethylenically unsaturated compounds, with polymerization, C4) optionally compounds bearing functional groups which under the influence of actinic radiation react with ethylenically unsaturated compounds, with polymerization, which have neither isocyanate groups nor isocyanate-reactive groups, C5) optionally catalysts, C6) optionally auxiliary agents and additives, and C7) optionally products of reactions between the components C1) to C6).