Viscosities and excess properties of aqueous solutions of ethanolamines from 25 to 80°C

被引：119

作者：

Maham, Y ^{[1
]}

Liew, CN ^{[1
]}

Mather, AE ^{[1
]}

机构：

[1] Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 2G6, Canada

来源：

JOURNAL OF SOLUTION CHEMISTRY | 2002年 / 31卷 / 09期

关键词：

viscosity; entropy of viscous flow; free energy of viscous flow; structure effects on viscosity; ethanolamines; aqueous ethanolamine solutions;

D O I：

10.1023/A:1021133008053

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Viscosities of aqueous solutions of monoethanolamine and triethanolamine have been measured from 25 to 80degreesC over the entire range of concentrations. The excess Gibbs energies for viscous flow have been calculated for aqueous solutions of monoethanolamine, triethanolamine, and also for diethanolamine and methyldiethanolamine from our earlier work [J. Chem. Eng. Data 39,290 (1994)]. The entropy of viscous flow was obtained by using the temperature dependence of the excess Gibbs energy for viscous flow. The structural effects on the viscosity, excess Gibbs energy, and entropy for viscous flow are discussed.

引用

页码：743 / 756

页数：14

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