【摘要】 本文研究了二苯甲烷型双马来酰亚胺（ＢＭＩ），４，４’－二胺基二苯基甲烷（ＤＤＭ）及酚醛型环氧树脂（Ｆ—５１）的共固化－交联网络结构的ＢＭＩ树脂改性系统，它具有耐高温、韧性好、吸水率低和易于固化的特性、固有可能成为新型耐高温复合材料的树脂基体之一。更多还原

【Abstract】 A toughened bismaleimide which consists of the structure of disphenylmethane BMI,4,4’ -diaminodi-phenyl-methane and phenol type epoxy resin curing cross linking network is introduced in this paper.It has the property of high temperature resistance,good toughness,low absoption of water and curing easily,so it can be one of the new resin matrixes of the high temperature resisting composite materials.更多还原