GLASS-TRANSITION BEHAVIOR AND INTERACTIONS IN POLY(P-VINYLPHENOL) POLYMETHACRYLATE BLENDS

被引：50

作者：

POMPOSO, JA ^{[1
]}

EGUIAZABAL, I ^{[1
]}

CALAHORRA, E ^{[1
]}

CORTAZAR, M ^{[1
]}

机构：

[1] FAC CIENCIAS QUIM SAN SEBASTIAN,DEPT CIENCIA & TECNOL POLIMEROS,POB 1072,SAN SEBASTIAN,SPAIN

来源：

POLYMER | 1993年 / 34卷 / 01期

关键词：

BLENDS; MISCIBILITY; GLASS TRANSITION TEMPERATURE; POLY(P-VINYLPHENOL); POLYMETHACRYLATES;

D O I：

10.1016/0032-3861(93)90289-M

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 glass transition temperatures (T(g)s) of binary blends of poly(p-vinyl phenol) with poly(methyl methacrylate), Poly(ethyl methacrylate) and poly(ethyl methacrylate-co-methyl methacrylate) have been determined. The experimental T(g)-composition data do not obey the Couchman-Karasz equation. However, the Gordon-Taylor, the Kwei and the Schneider equations fit the experimental data quite well. The values of the Gordon-Taylor k parameters, as well as the measurements of the glass transition widths, suggest a similar average intensity of the specific intermolecular interactions in the systems studied here, which is in agreement with the Fourier transform infra-red results. The Kwei and the Schneider equations are able to reflect the additional stabilization due to the dilution of copolymer repulsive interactions in the poly(p-vinyl phenol)/poly(ethyl methacrylate-co-methyl methacrylate) blends.

引用

页码：95 / 102

页数：8

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