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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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热致液晶共聚酯/pa6/rsma}原位复合材料1.对热致液晶共聚酯/pa6共混体系的增容作用
Keywords: 热致液晶共聚酯,聚酰胺6,苯乙烯-马来酸酐
Abstract:
？选用vectraa950热致液晶共聚酯(lcp),制备热致液晶共聚酯(lcp)/聚酰胺6(pa6)/苯乙烯－马来酸酐无规共聚物(rsma)三元共混物,采用注射成型的方法实现原位复合.测定复合材料的熔体流变性能、ftir光谱、动态力学性质和共混物形态结构,研究了rsma对聚酰胺6/热致液晶共聚酯共混体系的增容作用.结果表明,rsma的加入提高了lcp/pa6共混体的熔体粘度;rsma与lcp和pa6发生酯化、酰胺化反应,改善了lcp与pa6之间的相容性,使两者的玻璃化温度相互靠近,提高了lcp在pa6基体中的分散,增强了两相之间的界面粘接.
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