Influence of stereoregularity of polypropylene on miscibility with ethylene-1-hexene copolymer

被引：46
|
作者：
Yamaguchi, M [1 ]
Miyata, H [1 ]
机构：
[1] Tosoh Corp, Yokkaichi Res Lab, Yokkaichi, Mie 5108540, Japan
来源：
MACROMOLECULES | 1999年 / 32卷 / 18期
关键词：
D O I：
10.1021/ma990004s
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The influence of stereoregularity of polypropylene on the miscibility with the ethylene-1-hexene copolymer (EHR) whose 1-hexene content is 57 mol % was studied by means of viscoelastic measurements, electron microscopic observation, and so on. In this study, two types of polypropylenes were used; one is an isotactic polypropylene (iPP), and the other is a syndiotactic polypropylene (sPP). The sPP is immiscible with the EHR in both molten and solid states, whereas the iPP is miscible with the EHR in the amorphous region. The difference in the miscibility with the EHR between sPP and iPP depends on the chain stiffness.
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页码：5911 / 5916
页数：6
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