EVALUATION OF FREE-VOLUME THEORIES FOR SOLVENT SELF-DIFFUSION IN POLYMER SOLVENT SYSTEMS

被引：44

作者：

VRENTAS, JS

VRENTAS, CM

机构：

[1] Department of Chemical Engineering, Pennsylvania State University, University Park, Pennsylvania

来源：

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 1993年 / 31卷 / 01期

关键词：

FREE-VOLUME THEORIES FOR SOLVENT SELF-DIFFUSION IN POLYMER-SOLVENT SYSTEMS; PENETRANT SELF-DIFFUSION IN POLYMER SOLUTIONS AND GLASSY POLYMERS; FREE-VOLUME THEORIES FOR; GLASSY POLYMERS; THEORIES FOR PENETRANT SELF-DIFFUSION COEFFICIENTS IN;

D O I：

10.1002/polb.1993.090310109

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

An evaluation of free-volume theories for solvent self-diffusion is carried out using recent comprehensive data sets for penetrant self-diffusion in polymer solutions. Different theories are compared, and free-volume predictions for penetrant size effects are discussed. The applicability of free-volume theories in the prediction of penetrant self-diffusion coefficients in glassy polymer systems is also evaluated.

引用

收藏

页码：69 / 76

页数：8

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