Surfactant-free oil/water and bicontinuous microemulsion composed of benzene,ethanol and water

Generally,a microemulsion consists of oil,water,surfactant and sometimes cosurfactant.Herein,we report a novel suffactant-free microemulsion（denoted as SFME） composed of benzene,water and ethanol without the amphiphilic molecular structure of traditional surfactant.The phase behavior of the ternary...

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Bibliographic Details
Published in:Chinese chemical letters 2010-07, Vol.21 (7), p.880-883
Main Authors: Song, Fei, Xu, Jie, Hou, Wan Guo
Format: Article
Language:English
Subjects:
Conductivity
FF-TEM
Phase behavior
Surfactant-free microemulsion
传统表面活性剂
冷冻蚀刻透射电子显微镜
助表面活性剂
微乳液
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Summary:Generally,a microemulsion consists of oil,water,surfactant and sometimes cosurfactant.Herein,we report a novel suffactant-free microemulsion（denoted as SFME） composed of benzene,water and ethanol without the amphiphilic molecular structure of traditional surfactant.The phase behavior of the ternary system was investigated,finding that there were a single-phase region and a two-phase region in ternary phase diagram.The electrical conductivity measurement was employed to investigate the microregion of the single-phase region,and a bicontinuous microregion and a benzene-in-water（O/W） microemulsion microregion were identified,which was confirmed by freeze-fracture transmission electron microscopy（FF-TEM） observations.The sizes of the microemulsion droplets are in the range of 20-50 nm.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2010.01.029