Brittle- ductile transition and synergistic toughening effect of nano CaCO3 and POE-g- MAH on PA 6

Song Bo（Polymer Materials Processing Engineering Department of Sichuan University, Chengdu 610065, China;Chemisry Department of Xihua University, Chengdu 611930, China）　
Huang Rui（Polymer Materials Processing Engineering Department of Sichuan University, Chengdu 610065, China）　
Wei Gang（Polymer Materials Processing Engineering Department of Sichuan University, Chengdu 610065, China;Materials Department of Xihua University, Chengdu 610039, China）　

纳米碳酸钙和马来酸酐接枝乙烯-辛烯共聚物弹性体对PA 6脆韧转变及协同增韧的研究

宋波　 黄锐　 魏刚　

摘　要：制备了尼龙6(PA 6)/马来酸酐接枝乙烯-辛烯共聚物弹性体(POE-g-MAH)/纳米CaCO3复合材料.SEM分析表明,部分CaCO3粒子均匀分散在尼龙基质中,部分纳米CaCO3粒子为POE-g-MAH所包覆而形成了"壳-核"结构.随着基体中纳米CaCO3的增加,PA 6/纳米CaCO3/POE-g-MAH发生脆韧转变所需要的弹性体量增加;在韧性断裂时,纳米CaCO3和POE-g-MAH对PA 6的增韧有显著的协同作用.
关键词：尼龙6;纳米碳酸钙;马来酸酐接枝;乙烯-辛烯共聚物;增韧
CLC Number：TQ31　Document ID：A

References：

［1］Hammer C O, Maurer F H, Mater J J. Sci, 1999(34): 5911
［2］Wilbrink M W L, Argon A S, Cohen R E, et al. Polymer, 2001(42): 10 155

Manuscript Received：2003年9月25日

Published：2004年1月15日