COMPOSITE MATERIAL COMPRISING A POLYURETHANE-POLYACRYLATE RESIN MATRIX

The present invention relates to an isocyanate-reactive component B) comprising: B1) one or more organic polyols selected from the group consisting of poly ether polyols, polyester polyols, polyetherester polyols, polymer polyols, polycarbonate polyols and polyethercarbonate polyols; B2) one or more compounds having the structure of Formula (I) wherein, R1 is selected from the group consisting ofhydrogen, methyl or ethyl; R2 is selected from the group consisting of alkylene having 2 to 6 carbon atoms, 2,2-bis(4-phenylene)-propane, 1,4- bis(methylene)benzene, 1,3-bis(methylene)benzene, 1,2-bis(methylene)benzene; n is an integer selected from 1 to 6; and B3) at least one radical reaction adjuvant selected from the group consisting of aryl-substituted olefins, a composite material comprisinga thermosetting polyurethane-polyacrylate resin matrix made with such isocyanate-reactive component B) and a reinforcement material and a process of preparing the same. 本发明涉及异氰酸酯-反应性组分B)，其包含：B1)一种或多种有机多元醇，其选自聚醚多元醇、聚酯多元醇、聚醚酯多元