PA6/EPDM/EPDM-g-GMA共混物结构与性能的研究  

Study on Morphology and Properties of PA6 /EPDM /EPDM-g-GMA Blends

作　　者：谭志勇[1,2] 崔秀丽[1,2] 刘世纯[1,2] 

机构地区：[1]长春工业大学合成树脂与特种纤维教育部工程研究中心,吉林长春130012 [2]长春工业大学化学工程学院,吉林长春130012

出　　处：《塑料工业》2013年第12期25-28,共4页China Plastics Industry

摘　　要：采用三元乙丙橡胶接枝甲基丙烯酸环氧丙酯(EPDM-g-GMA)作为三元乙丙橡胶(EPDM)增韧尼龙6(PA6)的增容剂,研究了PA6/EPDM/EPDM-g-GMA三元共混物的流变性能、微观形态和力学性能。结果表明,EPDM-g-GMA可与PA6发生增容反应生成接枝共聚物,改善了PA6和EPDM的相容性,随着EPDM-g-GMA含量的增加,共混物中分散相粒径更加细化,缺口冲击强度显著提高,同时降低了PA6的结晶度,当PA6/EPDM/EPDM-gGMA的配比为80/15/5时,共混物的冲击强度达到最大。Ethylene-propylene-diene rubber （EPDM） were grafted with glycidyl methacrylate （GMA） and introduced into blends of PA6/EPDM as a compatibilizer. The rheological behavior, morphology and mechanical properties of the ternary blends were studied. The results showed that the compatibility between PA6 and EPDM was improved by compatibilization reaction between PA6 and EPDM-g-GMA. EDPM domains were distributed more homogeneously in PA6 matrix with the increasing EPDM-g-GMA content. The Izod notched impact strength of blends was dramatically improved and the erystallinity of PA6 was decreased. When the weight ratio of PA6/EPDM/EPDM-g-GMA was 80/15/5, the notched impact strength reached the maximum.

关 键 词：三元乙丙橡胶 尼龙6 增韧 增容 

分 类 号：TQ320.1[化学工程—合成树脂塑料工业]