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Morphology and crystal structure of E-MA-GMA/PC blend
Author(s): 
Pages: 52-55
Year: Issue:  6
Journal: CHINA SYNTHETIC RESIN AND PLASTICS

Keyword:  聚碳酸酯甲基丙烯酸缩水甘油酯接枝反应增容;
Abstract: 制备了不同配比的乙烯-丙烯酸酯-甲基丙烯酸缩水甘油酯三元共聚物(E-MA-GMA)/聚碳酸酯(PC)共混物,考察了混合过程中E-MA-GMA的环氧基团与PC的端羟基之间的反应.接枝使两组分相互作用增强,当E-MA-GMA的含量增加时,共混物形成共连续结构,并在连续的PC相中包裹着部分E-MA-GMA分散相粒子.随着PC链的接枝,E-MA-GMA的熔点提高, 晶体结构和微晶尺寸也发生明显变化, 熔融热焓降低. X射线衍射分析发现,PC的接枝使E-MA-GMA衍射峰的位置偏移,结晶度降低.
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