Vesicle formation of 1:1 cationic and anionic surfactant mixtures in nonaqueous polar solvents |
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| Authors: | J.-B. Huang B.-Y. Zhu M. Mao P. He J. Wang X. He |
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| Affiliation: | (1) Institute of Physical Chemistry Peking University, Beijing 100871, China, CN |
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| Abstract: | The vesicle formations of 1:1 cationic-anionic surfactants in various nonaqueous polar solvents and their aqueous mixtures were investigated. Outstanding vesicle-forming capability and stability of cationic and anionic surfactants were found in nonaqueous polar solvents and their aqueous mixtures except for in formamide. A small amount of formamide destroys the vesicles formed by cationic-anionic surfactants in aqueous solutions. These results could be very well explained based on the effect of the medium dielectric constant. Received: 26 May 1998 Accepted in revised form: 24 November 1998 |
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| Keywords: | Vesicle formation cationic and anionic surfactant mixtures nonaqueous polar solvent |
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