INFLUENCE OF THERMAL VIBRATIONS ON THE ELASTICITY OF CRYSTALLIZABLE POLYMERS.

被引：0
|
作者：
Zabashta, Yu.F. [1 ]
机构：
[1] Shevchenko State Univ, Kiev, USSR, Shevchenko State Univ, Kiev, USSR
来源：
Polymer science USSR | 1985年 / 27卷 / 08期
关键词：
ELASTICITY - Thermal Effects - MATHEMATICAL MODELS - POLYETHYLENES - Elasticity - POLYPROPYLENE - Elasticity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A molecular model is proposed describing the temperature change in the elastic properties of crystallizable polymers below the glass transition point. The model is based on the notion of the localization of shortwave phonons leading to the appearance of a hierarchy of relaxation times and thereby ensuring the possibility of constructing a quasi-equilibrium ensemble. The experimental dependences of the elasticity modulus on temperature for PE, PP and POM presented agree with the calculation.
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页码：1788 / 1794
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