The results showed that PEI was an effective toughener of copolymeric bismaleimideresin.
实验结果表明，PEI是共聚双马树脂的有效增韧剂；
2
Epoxy resin was modified by bismaleimideresin in this paper, and polyurethane foam was modified by modified epoxy resin?
用双马来酰亚胺对环氧树脂进行改性，然后用改性环氧树脂对聚氨酯泡沫塑料进行改性。
3
The properties and preparation of a tooling composite material of bismaleimideresin modified with glass cloth and carbon cloth were introduced in this paper.