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PA6JEPMJEPM-g-MAH共混物结构与性能研究 预览

Study on Morphology and Properties of PA6/EPM/EPM-g-MAH Blends
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摘要 采用二元乙丙橡胶接枝马来酸酐(EPMg-MAH)作为二元乙丙橡胶(EPM)增韧聚酰胺6(PA6)的增容剂,研究了PA6/EPM/EPM-g-MAH三元共混物的流变性能、力学性能和微观形态。结果表明,EPM-g-MAH可以与PA6发生增容反应生成接枝共聚物,改善了PA6和EPM的界面相容性。随着EPM-g-MAH含量的增加,共混物中分散相粒径更加细化,共混物的熔融峰温下降,缺口冲击强度显著提高,当EPM/EPM-g-MAH的配比为10/10时,共混物的冲击强度达到最大为47kJ/群,比纯PA6提高了8倍。 Ethylene-propylene rubber grafted maleic anhydride (EPM-g-MAH) was introduced into blends of polyamide 6/ethylene propylene rubber (PA6/EPM) as a compatibilizer. The effects of EPM-g-MAH on the rheological behavior, mechanical properties, and morphology of the ternary blends were studied. It showed that PA6 and EPM were compatibilized by in-situ reaction between PA6 and EPM-g-MAH. EPM domains were distributed more homogeneously in PA6 matrix with the increasing EPM-g-MAH content. When the weight ratio of EPM/EPM-g-MAH was 10/10, the notched impact strength reached maximum of z[7 kJ/m2 , which increased 8 times that of neat PA6.
作者 徐铭韩 宫岐山 李甜甜 邱桂学 XU Minghan, GONG Qishan, LI Tiantian, QIU Guixue (Key Laboratory of Rubber-Plastics of Ministry of Education, Shandong Provincial Key Laboratory of Rubber-Plastics, Oingdao University of Science & Technology, Qingdao 266042, China)
出处 《中国塑料》 CAS CSCD 北大核心 2011年第7期42-45,共4页 China Plastics
关键词 聚酰胺6 二元乙丙橡胶 二元乙丙橡胶接枝马来酸酐 共混 增容作用 增韧 polyamide 6 ethylene-propylene rubber ethylene-propylene rubber grafted maieic anhydride blending compatibilization toughening
作者简介 联系人,qiuguixue@qust.edu.cn
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参考文献7

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