[1B13-15] Science and technology of surfactants and molecular assemblies

[1B13] Thermodynamical difference between mixtures of surfactant ions and of counterions on the micelle formation. 2. Mixture of Divalent and Monovalent surfactants

*Hideo Akisada¹, Junko Kuwahara², Hiroki Sakumoto³, Tatsuo Nakata⁴, Keishi Takehara⁵, Jun Koganemaru⁶ (1. Faculty of Engineering, Kyushu Kyoritsu University (Japan), 2. Faculty of Engineering Science, Fukuoka Institute of Technology (Japan), 3. Faculty of Engineering, Kyushu Kyoritsu University (Japan), 4. Faculty of Engineering, Kyushu Kyoritsu University (Japan), 5. Faculty of Engineering, Kyushu Kyoritsu University (Japan), 6. Faculty of Engineering, Kyushu Kyoritsu University (Japan))

Keywords:ionic surfactant, mixture, critical micelle concentration, counterion, equilibrium