Phase behavior of oil/water/nonionic surfactant systems

被引：4
|
作者：
Bayrak, Y [1 ]
Iscan, M [1 ]
机构：
[1] Trakya Univ, Dept Chem, TR-22030 Edirne, Turkey
来源：
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 2005年 / 26卷 / 01期
关键词：
microemulsion; phase behavior; nonionic surfactants;
D O I：
10.1081/DIS-200040133
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 behavior of oil/water/nonionic surfactant systems under the effect of temperature is usually only measured at an oil-to-water ratio of 1 : 1 (alpha = 0.5). It was found that with increasing oil-chain length and increasing hydrophilicity of the surfactant (Triton X-114 to Triton X-100), the three-phase region widens toward higher temperatures. The clear inclination of the "fishes" at constant oil-to-water ratios shows that the surfactant becomes more hydrophobic with increasing temperature. It was observed that the phase behavior of systems changes with the amount and kinds of added salts. The description of the experiments by the modified Landau-type model is satisfactory.
引用
收藏
页码：75 / 78
页数：4
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