Effective relaxation time as a method for characterizing the relaxation spectra of polymers

被引：0
|
作者：
Kuzub, LI [1 ]
Irzhak, VI [1 ]
机构：
[1] Russian Acad Sci, Chernogolovka Branch, Inst Problems Chem Phys, Chernogolovka 142432, Moscow Oblast, Russia
来源：
POLYMER SCIENCE SERIES A | 2004年 / 46卷 / 02期
关键词：
D O I：
暂无
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 physical meaning of the effective relaxation time as a quantity characterizing the relaxation spectra of polymers is discussed. For monodisperse polymers and their mixtures, some theoretical models and the plots of the relaxational elastic modulus versus frequency are analyzed. A qualitative relationship between the weight-average and number-average relaxation times and their ratio, on the one hand, and the structural and dynamic characteristics of polymer systems, on the other hand, is shown.
引用
收藏
页码：176 / 183
页数：8
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