SOLVENT SELF-DIFFUSION IN RUBBERY POLYMER-SOLVENT SYSTEMS

被引：85
|
作者：
VRENTAS, JS
VRENTAS, CM
机构：
[1] Department of Chemical Engineering, Pennsylvania State University, Pennsylvania 16802, University Park
来源：
MACROMOLECULES | 1994年 / 27卷 / 17期
关键词：
D O I：
10.1021/ma00095a007
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 free-volume theory for solvent self-diffusion in polymer-solvent systems is applied to rubbery mixtures at temperatures both above and below the polymer glass transition temperature. A new parameter evaluation scheme is introduced, and it is shown that the theory provides good predictions for the solvent self-diffusion coefficient over wide temperature and concentration ranges.
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页码：4684 / 4690
页数：7
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