The miscibility of homopolymer random copolymer blends .1. Poly(styrene-co-acrylonitrile) poly(ethyl methacrylate) and poly(styrene-co-acrylonitrile) poly(methyl methacrylate) blends

被引：20
作者：
Feng, HQ [1 ]
Ye, CH [1 ]
Feng, ZL [1 ]
机构：
[1] CHINESE ACAD SCI,CHANGCHUN INST APPL CHEM,POLYMER PHYS LAB,CHANGCHUN 130022,PEOPLES R CHINA
来源：
POLYMER JOURNAL | 1996年 / 28卷 / 08期
关键词：
miscibility; C-13 cross polarizational magic angle spinning nuclear magnetic resonance; differential scanning calorimetry; intermolecular interaction; random copolymer;
D O I：
10.1295/polymj.28.661
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 miscibility of blends of poly(styrene-co-acrylonitrile) (SAN) with poly(methyl methacrylate) (PMMA) or poly(ethyl methacrylate) (PEMA) has been investigated by means of NMR and DSC techniques. It is found that there are intermolecular interactions between the phenyl groups in SAN and carbonyl groups in PMMA or PEMA, and the strength of this intermolecular interaction strongly depends on the properties of ester side groups in PEMA or PMMA, composition of the blends and a certain composition of the copolymer. It is this specific interaction instead of the intramolecular repulsion force within the copolymer that plays a key role for the miscibility of SAN/PMMA and SAN/PEMA blends.
引用
收藏
页码：661 / 664
页数：4
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