A thermosetting resin composition is disclosed, comprising (A) polymaleimide containing from 5 to 90% by weight, based on the total amount of the component (A), of a polyamaleimide compound represented by formula (I):
wherein X represents a hydrogen atom, a halogen atom or an alkyl or alkoxy group having from 1 to 4 carbon atoms, (B) an epoxy compound having at least two epoxy groups per molecule, and (C) a curing agent for said epoxy compound, the compounding weight ratio of (A) to (B) being from 0.05/1 to 20/1, and the compounding weight ratio of (B) to (C) being from0.5/1 to 200/1. The composition exhibits improved moldability, curability and heat resistance.
本发明公开了一种热固性
树脂组合物,包括(A)聚马来
酰亚胺,以组分(A)的总量为基准,含有 5%至 90%(按重量计)由式(I)代表的聚马来
酰亚胺化合物:
其中 X 代表氢原子、卤素原子或具有 1 至 4 个碳原子的烷基或烷氧基,(B) 每分子至少具有两个环氧基团的环氧化合物,以及 (C) 用于所述环氧化合物的固化剂,(A)与(B)的复配重量比为 0.05/1 至 20/1,(B)与(C)的复配重量比为 0.5/1 至 200/1。该组合物具有更好的成型性、固化性和耐热性。