STUDIES OF MIXED SURFACTANT MICROEMULSION SYSTEMS - BRIJ-35 WITH TWEEN-20 AND SODIUM DODECYL-SULFATE

被引：31

作者：

AJITH, S ^{[1
]}

RAKSHIT, AK ^{[1
]}

机构：

[1] MAHARAJA SAYAJIRAO UNIV BARODA,FAC SCI,DEPT CHEM,BARODA 390002,GUJARAT,INDIA

来源：

JOURNAL OF PHYSICAL CHEMISTRY | 1995年 / 99卷 / 40期

关键词：

D O I：

10.1021/j100040a030

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：

The phase diagram, viscosity, adiabatic compressibility, optimum salinity, etc. for two microemulsion systems were studied. The systems were heptane and water with (a) Brij 35 + Sodium dodecyl sulfate and (b) Brij 35 + Tween 20 as surfactants. 1-Propanol was used as cosurfactant. The Frenkel-Eyring viscosity equation was used to calculate activation enthalpy of viscous flow. It was found that activation enthalpy was a function of the nature of dispersion medium. The free energy of Solubilization of oil in water was also calculated at the lower concentration region assuming ideality at infinite dilution. The free energy of solubilization was found to be a function of surfactant composition and the enthalpy more or less independent of composition.

引用

页码：14778 / 14783

页数：6

共 46 条

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