Amide-modified urethane acrylate radiation curable compounds...

Details Amide-modified urethane acrylate radiation curable compounds... Amide-modified urethane acrylate radiation curable compounds...

C - Chemistry, Metallurgy

07

D

402/140, 117/195

C07D 295/14 (2006.01) C08F 299/06 (2006.01) C08G 18/67 (2006.01) G03F 7/038 (2006.01)

Patent

CA 1115274

Abstract Radiation curable compounds are disclosed comprising one or two amide moieties, at least three urethane groups and at least one acrylate or methacrylate group. The compounds comprise the reaction products of an amide-containing compound having at least one hydroxy functional group, a polyisocyanate, a polyfunctional compound providing at least one acrylate or methacrylate group in the reaction product and a hydroxy functional group reactive with an isocyanate group of the polyisocyanates, and a polyol. Coating compositions containing these radiation curable reaction products cure at relatively high rates to form films having high abrasion resistance and improved tensile strength and elongation properties as compare to conventional urethane acrylate coating compositions.

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