Are the mixtures of homologous surfactants ideal?

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• 作者：Pablo C. Schulz ; José ; L. Rodrí ; guez ; Rossana M. Minardi ; Marí ; a B. Sierra and Marcela A. Morini
• 关键词：Mixed micelles ; Homologous surfactants ; Critical micelle concentration ; Cationic surfactants ; Alkyltrimethylammonium bromides
• 刊名：Journal of Colloid and Interface Science
• 出版年：2006
• 出版时间：1 November 2006
• 年：2006
• 卷：303
• 期：1
• 页码：264-271
• 全文大小：267 K

文摘

The interaction between homologous surfactants in mixed micelles was studied by the Regular Solution Theory of mixed micelles. The interaction is independent of the nature of the polar head groups and attractive and the interaction parameter β_M depends linearly on the difference in chain length Δn_C. The interaction becomes ideal at Δn_C