Effect of the polymer glass transition on the chromatographic retention volumes

被引:0
|
作者
Vrentas, JS [1 ]
Vrentas, CM [1 ]
机构
[1] Penn State Univ, Dept Chem Engn, University Pk, PA 16802 USA
关键词
chromatography; diffusion; glass transition; theory;
D O I
10.1002/app.21680
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Theoretical developments are presented that explain four experimental observations concerning the temperature dependence of chromatographic specific retention volumes. A theoretical framework is proposed for a method that can be used to determine the glass-transition temperature of the pure polymer and for a method of characterizing the concentration dependence of the glass-transition temperature of a polymer-solvent system. (c) 2005 Wiley Periodicals, Inc.
引用
收藏
页码:793 / 796
页数:4
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