以间甲苯胺、烯丙基双酚A和多聚甲醛为原料合成了一种烯丙基型苯并噁嗪(BA-mt).将其与二苯甲烷型双马来酰亚胺、烯丙基双酚A (DABPA)以不同比例进行熔融共混,得到了增韧双马来酰亚胺与烯丙基苯并噁嗪的共混物BDB.用DSC对共混物的固化反应进行研究,用DMA和TGA研究了固化树脂热性能,结果表明,在BMI/DABPA中加入BA-mt后,固化树脂的热性能下降,但氮气氛中T10d仍高于400℃,800℃残炭率提高到33％以上.加入10份BA-mt改性BMI/DABPA的固化树脂的Tg为319℃；其弯曲性能提高,弯曲强度为44 MPa,弯曲模量为3.76 GPa.BMI/DABPA/BA-mt固化树脂的吸水率随BA-mt的加入而下降.
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