Viscosities of mixtures of 2-alkanols with tetraethyleneglycol dimethyl ether at different temperatures

被引：34
作者：
Aznarez, S
Holgado, MMEFD
Arancibia, EL
机构：
[1] Univ Nacl Tucuman, Fac Ciencias Exactas & Tecnol, Dept Quim, RA-4000 San Miguel De Tucuman, Argentina
[2] Univ Nacl Comahue, Fac Ingn, Dept Quim, RA-8300 Buenos Aires, DF, Argentina
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2006年 / 124卷 / 1-3期
关键词：
viscosities; densities; tetraethyleneglycol dimethyl ether; 2-alkanol;
D O I：
10.1016/j.molliq.2005.09.003
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：
Kinematic viscosities and densities were measured over the entire range of composition and at atmospheric pressure for 2-propanoltetraethyleneglycol dimethyl ether, 2-butanol-tetraethylene glycol dimethyl ether, and 2-pentanol-tetraethylene glycol dimethyl ether from 288.15 to 318.15 K employing pure species and solutions covering the whole range expressed by the condition 0 <= x <= 1. Starting from the experimental data, the dynamic viscosity, deviation of dynamic viscosity, and the excess Gibbs energies of activation for viscous flow have been calculated. The results were fitted by the Redlich-Kister equation. Free-volume type correlation with one parameter is compared with an extension of the generalized corresponding states principle for these systems. (C) 2005 Elsevier B.V. All rights reserved.
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页码：78 / 83
页数：6
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