采用端环氧基丁腈橡胶(ETBN)对环氧树脂进行增韧,研究了增韧环氧树脂浇注体的力学性能.结果表明,随着ETBN含量的增大,冲击强度、断裂伸长率明显增加,其弯曲强度、拉伸强度及拉伸模量降低,表明ETBN对环氧树脂具有明显的增韧效果.环氧树脂浇注体拉伸断面SEM照片表明,固化反应过程中ETBN均匀地分散在环氧树脂体系中.
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