文献类型：期刊文献

英文题名：Volumetric Properties of Water/AOT/Isooctane Microemulsions

作者：Du, Changfei[1];He, Wei[2];Yin, Tianxing[1];Shen, Weiguo[1,2]

机构：[1]E China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China;[2]Lanzhou Univ, Dept Chem, Lanzhou 730000, Gansu, Peoples R China

年份：2014

卷号：30

期号：50

起止页码：15135

外文期刊名：LANGMUIR

收录：;EI(收录号：20145200380061);WOS:【SCI-EXPANDED(收录号:WOS:000347140000011)】；

基金：This work was supported by the National Natural Science Foundation of China (Projects 20973061, 21173080, 21373085, and 21303055).

语种：英文

外文关键词：Critical micelle concentration - Micelles - Microemulsions - Volumetric analysis

摘要：The densities of AOT/isooctane micelles and water/AOT/isooctane microemulsions with the molar ratios R of water to AOT being 2, 8, 10, 12, 16, 18, 20, 25, 30, and 40 were measured at 303.15 K. The apparent specific volumes of AOT and the quasi-component water/AOT at various concentrations were calculated and used to estimate the volumetric properties of AOT and water in the droplets and in the continuous oil phase, to discuss the interaction between the droplets, and to determine the critical micelle concentration and the critical microemulsion concentrations. A thermodynamic model was proposed to analysis the stability boundary of the microemulsion droplets, which confirms the maximum value of R being about 65 for the stable AOT/water/isooctane microemulsion droplets.