| abstract |
The present invention relates to an isocyanate-reactive component B) comprising: B1) one or more organic polyols selected from the group consisting of polyether polyols, polyester polyols, polyetherester polyols, polymer polyols, Polycarbonate polyols and polyether carbonate polyols; B2) one or more compounds having the structure of formula (I), wherein R 1 is selected from hydrogen, methyl or ethyl; R 2 is selected from having 2- 6-carbon alkylene, 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 1-6; and B3) at least one free-radical reaction auxiliary selected from aryl-substituted olefins, involving the inclusion of such isocyanate-reactive components B) the prepared composite material of thermosetting polyurethane-polyacrylate resin matrix and reinforcing material and preparation method thereof. |