Osmotic coefficients of polyelectrolyte solutions, measurements and correlation

被引：9

作者：

Zhang, B ^{[1
]}

Yu, DH ^{[1
]}

Liu, HL ^{[1
]}

Hu, Y ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Dept Chem, Shanghai 200237, Peoples R China

来源：

POLYMER | 2002年 / 43卷 / 10期

基金：

中国国家自然科学基金;

关键词：

polyelectrolyte solution; osmotic coefficient; experiment;

D O I：

10.1016/S0032-3861(02)00119-2

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Osmotic coefficient data for aqueous sodium polyanetholesulfonic acid, sodium polyacrylate and polydiallyl dimethylammonium chloride solutions were determined at 298 K by employing the isopiestic method. The measured osmotic coefficients increase with increasing concentration in the experimental concentration range (0.1-1.5 m). A molecular thermodynamic model developed previously for polyelectrolyte solutions has been used to fit the experimental data. The concentration dependence of the osmotic coefficients can be described satisfactorily. 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：2975 / 2980

页数：6

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