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Solubilization of octafluoronaphthalene by mixed micelles of fluorocarbon and hydrocarbon surfactants in aqueous solutions |
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| Authors: | Tsuyoshi Asakawa Junichiro Ikehara Shigeyoshi Miyagishi |
| Affiliation: | (1) Department of Chemistry and Chemical Engineering, Faculty of Technology, Kanazawa University, 920 Kanazawa, Japan |
| Abstract: | Solubilization of octafluoronaphthalene (OFN) by fluorocarbon and hydrocarbon surfactants in aqueous solutions has been examined to investigate the effects of mixing surfactants and added salt. Diethylammonium perfluoronanoate (DEAPFN) micelles have the most solubilization power toward OFN. The difference in micellar solubilization power will be caused by the hydrophobicity of ionic groups and micellar size. Large positive synergistic effects on solubilization behavior were observed in the DEAPFN-diethylammonium tetradecyl sulfate mixed micellar systems. Solubilization of OFN depended on the concentrations of added salt and the aggregation number, that is, the micellar size. |
| Keywords: | Added salt diethylammonium perfluorononanoate fluorocarbon and hydrocarbon surfactants intrinsic viscosity micellar growth mixed micelles mutual phobicity octafluoronaphthalene postive synergistic effect solubilization |
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