Densities, surface tensions and viscosities of the binary mixtures of xylene with octamethylcyclotetrasiloxane at 298.15 K

被引：0

作者：

He, Ye-Ming ^{[1
]}

Jiang, Rui-Fen ^{[1
]}

Zhu, De-Rong ^{[2
]}

Huang, Zhong-Qi ^{[1
]}

Ouyang, Gang-Feng ^{[1
]}

机构：

[1] School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou 510275, China

[2] School of Pharmacy, Guangdong Medical College, Dongguan 523808, China

来源：

Zhongshan Daxue Xuebao/Acta Scientiarum Natralium Universitatis Sunyatseni | 2007年 / 46卷 / 05期

关键词：

Equimolar solutions - Octamethylcyclotetrasiloxane - Redlich-Kister polynomial equation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Densities, surface tensions and viscosities for binary mixtures of xylene with octamethylcyclotetrasiloxane (D4), include D4+ o-xylene, + m-xylene and + p-xylene systems, were measured over the whole composition range at 298.15 K. The surface tensions of the pure liquids and their mixtures are determined by the pendant drop method. The experimental data are used to calculate the surface tension deviations and viscosity deviations, respectively, which are fitted to the Redlich-Kister polynomial equation. The result shows that the surface tension deviations and viscosity deviations are negative for all the mixtures investigated. The values of surface tension deviations of equimolar solutions follow the order; o-xylene < m-xylene < p-xylene, whereas, the sequence of viscosity deviations is like that: p-xylene < m-xylene < o-xylene.

引用

页码：54 / 58

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