The thermodynamics of the micelle formation of sodium .ALPHA.,.OMEGA.-alkanediyl disulfate.
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概要
- 論文の詳細を見る
The critical micelle concentrations of a α,ω-type surfactant: (sodium α,ω-alkanediyl disulfate: <I>n</I>=12, 14, 16) in an aqueous solution have been determined by studying the electrical conductivity, and the free energies of the micelle formation have then been estimated from these data. The free energy of micelle formation of a α,ω-type surfactant was smaller than that of a normal-type surfactant with the same alkyl chain length as the α,ω-type one. The free-energy changes per –(CH<SUB>2</SUB>)– segment was also calculated from these data. It is found that the free-energy change per –(CH<SUB>2</SUB>)–segment of the α,ω-type surfactant is −11.1 [kJ mol<SUP>−1</SUP>].
- 公益社団法人 日本化学会の論文
著者
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Esumi Kunio
Department Of Applied Chemistry And Institute Of Colloid And Interface Science Science University Of
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Ikeda Kenji
Department De Genie Chimique Universite Nationale De Yokohama
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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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Nakasima Tomoko
Department of Applied Chemistry, Institute of Colloid and Interface Science, Science University of Tokyo
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