US Patent 7495057 Lpa hybride

The invention relates to resin compositions that contains as components:(A) a monomer with at least one ethylenic unsaturation and with an isocyanate reactive group,(B) an ethylenically unsaturated monomer that can react with component (A) by means of radical polymerization,(C) a polyisocyanate that can react with component (A) by means of a polyurethane reaction and that on average has at least 1.75 isocyanate groups,(D) a catalyst for the radical polymerization, and that also contains(E) a thermoplastic polymer with an average molecular weight of at least 10,000 Dalton.