Study of ethylene glycol/TX-100/ionic liquid microemulsions

The phase behavior of the ternary system consisting of ethylene glycol (EG), 1-butyl-3-methylimidazolium hexafluorophosphate ([Bmim][PF 6]), and TX-100, was determined at 30.0 °C. It was demonstrated that there were a single-phase region and a two-phase region in the ternary phase diagram. The singl...

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Bibliographic Details
Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2007-07, Vol.302 (1), p.211-215
Main Authors: Cheng, Siqing, Fu, Xiangan, Liu, Jiehua, Zhang, Jiangling, Zhang, Zhaofu, Wei, Yiliang, Han, Buxing
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Emulsions. Microemulsions. Foams
Ethylene glycol
Exact sciences and technology
General and physical chemistry
Ionic liquid
Microemulsions
Surface physical chemistry
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Summary:The phase behavior of the ternary system consisting of ethylene glycol (EG), 1-butyl-3-methylimidazolium hexafluorophosphate ([Bmim][PF 6]), and TX-100, was determined at 30.0 °C. It was demonstrated that there were a single-phase region and a two-phase region in the ternary phase diagram. The single-phase region could be further divided into [Bmim][PF 6]-in-EG, bicontinuous, and EG-in-[Bmim][PF 6] microemulsion regions by conductivity. The microemulsions were characterized further by dynamic light scattering (DLS), freeze-fracturing electron microscopy (FFEM) and UV–vis spectrophotometry, indicating the microemulsion formation with spherical droplets and the formation mechanism similar to the common microemulsions.
ISSN:0927-7757
1873-4359
DOI:10.1016/j.colsurfa.2007.02.024