DIELECTRIC STUDY OF POLYACRYLONITRILE, POLY-2-HYDROXYETHYL METHACRYLATE AND THEIR COPOLYMERS

被引：30

作者：

GUPTA, AK ^{[1
]}

CHAND, N ^{[1
]}

SINGH, R ^{[1
]}

MANSINGH, A ^{[1
]}

机构：

[1] UNIV DELHI,DEPT PHYS & ASTRON,DELHI 110007,INDIA

来源：

EUROPEAN POLYMER JOURNAL | 1979年 / 15卷 / 02期

关键词：

D O I：

10.1016/0014-3057(79)90197-6

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A dielectric study on polyacrylonitrile (PAN), poly-2-hydroxyethyl methacrylate (P-HEMA) and copolymers of acrylonitrile and HEMA in the temperature range 30-150° is reported. The loss peaks occur in the frequency region 0.1-100 kHz at temperatures between 110° and 140 for PAN. In copolymers of acrylonitrile with HEMA, these loss peaks were present although their positions on temperature scale and their peak heights depended on the HEMA content. For P-HEMA no relaxation peak was observed in this range of frequency and temperature. The results for copolymers compared with those for the homopolymers suggest that the loss peaks in PAN are due to molecular motion in amorphous regions. © 1979.

引用

页码：129 / 136

页数：8

共 12 条

[1]

BAJAJ P, UNPUBLISHED

[2]

BAJAJ P, J POLYM SCI PC

[3] DIELECTRIC AND DYNAMIC MECHANICAL RELAXATION STUDIES OF STYRENE-ACRYLONITRILE COPOLYMERS [J].