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OALib Journal期刊
ISSN: 2333-9721
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abs增韧树脂的本体法制备和力学性能
Keywords: 有机高分子材料,？,丙烯腈--丁二烯--苯乙烯三元共聚物,力学性能,本体聚合,？聚丁二烯橡胶
Abstract:
？以聚丁二烯橡胶为增韧剂,用本体聚合方法合成了一系列丙烯腈--丁二烯--苯乙烯三元共聚物(abs),并研究其力学性能。结果表明:高顺胶br9004的增韧效果最好,izod缺口冲击强度高达236.1j/m,与低顺胶700a的复合可使后者的综合力学性能提高(可与高桥8434牌号产品相媲美);随着丙烯腈含量和树脂相分子量的增加,材料的izod缺口冲击强度、拉伸强度和断裂伸长率均有所提高;而树脂的拉伸强度则随着橡胶含量的增加而降低;在橡胶含量低于20\%时冲击强度随着橡胶含量增长迅速,高于20%时增长缓慢。
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