聚合物长支链的流变学表征方法

被引:80
作者
娄立娟
刘建叶
俞炜
周持兴
机构
[1] 流变学研究所上海交通大学化学化工学院
关键词
长支链; 流变学; 剪切流场; 拉伸流场;
D O I
暂无
中图分类号
TQ325.14 [];
学科分类号
摘要
在聚合物中引入长支链能够显著地提高熔体强度,改善聚合物在拉伸流场中的加工性能,因此对长支链的表征显得十分重要。流变学被证实是一种非常有效且敏感的表征手段,近来受到普遍关注。本文总结了近年来国内外关于长支链聚合物流变学表征研究的最新进展,比较了不同类型流场下对长支链的流变学判断方法,尽量结合高分子链段分子结构解释了各种表征现象的含义,阐述了借助流变学对大分子拓扑结构的定性表征以及对长支链含量的定量表征方面的应用。
引用
收藏
页码:15 / 23
页数:9
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