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Citation: ZHENG Ou, YAN Hua, LONG Yun-Xia, ZHAO Jian-Xi, GAO Shao-Kang. Reverse Micelle Formation of C₁₂-EO_x-C₁₂•2Br in n-Heptane[J]. Acta Physico-Chimica Sinica, ;2007, 23(01): 64-67. doi: 10.1016/S1872-1508(07)60006-0 shu

Reverse Micelle Formation of C₁₂-EO_x-C₁₂•2Br in n-Heptane

1.
Department of Applied Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002, P. R. China

Received Date: 4 July 2006
Available Online: 8 January 2007

With n-hexanol as cosurfactant, quaternary ammonium Gemini surfactants C12-EOx-C12•2Br (x=1, 2, 3)formed reverse micelles in n-heptane. The critical reverse micelle concentrations (cmch) were determined using the absorption spectrum method with iodine as the probe. All values were less than the corresponding critical micelle concentration (cmcaq) in aqueous solution, where C12-EOx-C12•2Br formed the normal micelles. The cmch increased with increasing x, which was similar to the variation of cmcaq with x. The saturated amount of water solubilizated by the reverse micelles was enhanced by either increasing x or by raising the temperature.
- Quaternary ammonium Gemini surfactants,
- n-hexanol/n-heptane solution,
- Reverse micelle,
- Solubilizing water
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Reverse Micelle Formation of C12-EOx-C12•2Br in n-Heptane

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通讯作者: 陈斌, bchen63@163.com

Reverse Micelle Formation of C₁₂-EO_x-C₁₂•2Br in n-Heptane