PRELIMINARY INVESTIGATION ON THE MISCIBILITY OF ISOTACTIC POLYPROPYLENE (iPP) AND SYNDIOTACTIC POLYPROPYLENE (sPP) BLENDS

被引：0
|
作者：
Joerg Rottstegge
Charles C. Han
机构：
[1] Beijing 100080
[2] China
[3] Chinese Academy of Sciences
[4] Graduate School of Chinese Academy of Sciences Beijing 100080 China
[5] Institute of Chemistry
[6] Key Laboratory of Engineering Plastics Joint Laboratory of Polymer Science and Materials
[7] State Key Laboratory of Polymer Physics and Chemistry
来源：
Chinese Journal of Polymer Science | 2006年 / 06期
基金：
中国国家自然科学基金;
关键词：
iPP/sPP blends; Miscibility; Optical microscopy; Rheology; Solid state NMR spectroscopy;
D O I：
暂无
中图分类号：
TQ325 [聚合类树脂及塑料];
学科分类号：
0805 ; 080502 ;
摘要：
Experimental miscibility studies were performed on different compositions of i’PP/sPP blends, where sPP has a low syndiotacticity ([rrrr] = 81%). Combining optical microscopy, rheology, and solid state NMR spectroscopy, the miscibility of the blends was investigated at different scales in the traditionally thought to be "immiscible" iPP/sPP blends. For the composition of iPP/sPP (90/10) blend, it shows to be miscible in the melt, and furthermore, the existence of intermolecular chain interactions between sPP and ;’PP components was detected in the solid state.
引用
收藏
页码：569 / 573
页数：5
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