Mixed surfactant bilayers on monodispersed ferric hydro sols.
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概要
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The properties of mixed surfactant bilayers on monodispersed ferric hydro sol were studied by measuring the amount of surfactant adsorbed, particle size, and pyrene fluorescence spectra. The positively charged sols flocculated upon addition of sodium dodecyl sulfate (SDS) or lithium perfluoro-1-octanesulfonate (LiFOS) were redispersed by further addition of poly(oxyethylene) nonyl phenyl ether (NP7.5) due to the formation of a mixed surfactant bilayer on the sols. The mixed surfactant bilayer of SDS–NP7.5 on the sols was more easily formed than LiFOS–NP7.5. Fluorescence fine structure of pyrene gave information on the polarity of the microenvironment in the mixed surfactant layer on the sols.
- 公益社団法人 日本化学会の論文
著者
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Yoshikawa Keiko
Department Of Chemistry And Life Science College Of Bioresource Sciences Nihon University
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Esumi Kunio
Department Of Applied Chemistry And Institute Of Colloid And Interface Science Science University Of
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Meguro Kenjiro
Department of Applied Chemistry and Institute of Colloid and Interface Science, Science University of Tokyo
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Sakamoto Yuichi
Department of Applied Chemistry and Institute of Colloid and Interface Science, Science University of Tokyo
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