Miscibility and properties of polyglutarimide poly(styrene-co-maleic anhydride) blends

被引：8

作者：

Prinos, J ^{[1
]}

Bikiaris, D ^{[1
]}

Panayiotou, C ^{[1
]}

机构：

[1] Univ Thessaloniki, Dept Chem Engn, GR-54006 Salonika, Greece

来源：

POLYMER | 1999年 / 40卷 / 17期

关键词：

polymer blends; polyglutarimide; polymer miscibility;

D O I：

10.1016/S0032-3861(98)00638-7

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

In the present study, blends of polyglutarimide (PGI) with styrene/maleic anhydride (SMA) copolymers showed complete miscibility with SMA containing 25, 33 and 50 mol.% maleic anhydride (MA), whereas blends with SMA containing 8 mol.% MA were found to be immiscible. These blends were studied using a variety of methods including thermal microscopy, FTIR and DSC. Positive T-g deviations from the ideal (linear) behaviour and changes in FTIR spectra of the blends indicate the presence of significant specific interactions between the two polymers. These interactions were found to be of a polar nature, involving the carbonyls of anhydride and imide rings, respectively. The intramolecular repulsion effect is possibly another factor contributing to enhanced miscibility. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：4741 / 4753

页数：13

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