申请人:DIC Corporation
公开号:EP3689951A1
公开(公告)日:2020-08-05
Provided is a prepreg resin composition, containing: a urethane (meth)acrylate (A) that is a reaction product of polyisocyanate (a1), polyol (a2), and hydroxy alkyl (meth)acrylate (a3); a polymerization initiator (B); and a thermoplastic resin (C), as an essential component, in which the polyisocyanate (a1) is at least one polyisocyanate selected from 2,4'-diphenyl methane diisocyanate, 4,4'-diphenyl methane diisocyanate, a carbodiimide modified product of 4,4'-diphenyl methane diisocyanate, and polymethylene polyphenyl polyisocyanate. The prepreg resin composition of the invention is excellent in molding properties, and is capable of forming a molded article excellent in various physical properties such as flexibility, impact resistance, and heat resistance, and thus, can be preferably used in a prepreg and a molded article thereof.
提供了一种预浸料树脂组合物,其中含有聚氨酯(甲基)丙烯酸酯(A),它是多异氰酸酯(a1)、多元醇(a2)和羟基烷基(甲基)丙烯酸酯(a3)的反应产物;聚合引发剂(B)和热塑性树脂(C),作为基本成分,其中多异氰酸酯(a1)是至少一种选自 2,4'-二苯基甲烷二异氰酸酯、4,4'-二苯基甲烷二异氰酸酯、4,4'-二苯基甲烷二异氰酸酯的碳化二亚胺改性产物和多亚甲基多苯基多异氰酸酯的多异氰酸酯。本发明的预浸料树脂组合物具有优异的成型性能,能够形成各种物理性能(如柔韧性、抗冲击性和耐热性)优异的成型品,因此可优先用于预浸料及其成型品中。