Nonideal mixing in adsorbed film and micelle of ionic-nonionic surfactant mixtures

Masumi Villeneuve, Hirotomo Sakamoto, Hisanobu Minamizawa, Norihiro Ikeda, Kinsi Motomura, Makoto Aratono

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

The surface tension of aqueous solutions of dodecylammonium chloride-octyl methyl sulfoxide (OMS) and dodecyltrimethylammonium bromide-OMS mixtures was measured as a function of the total molality of surfactants and the composition of OMS. The results were analyzed according to our thermodynamic procedure; the phase diagrams of adsorption and micelle formation and the diagram illustrating the composition relation between the micelle and the adsorbed film at the critical micelle concentration were drawn. The activity coefficient and excess Gibbs energy in the adsorbed film and the micelle were defined and then evaluated from the phase diagrams. They were found to give useful information on the deviation from ideal mixing and intermolecular interaction in the adsorbed film and micelle.

Original languageEnglish
Pages (from-to)301-310
Number of pages10
JournalJournal of Colloid and Interface Science
Volume194
Issue number2
DOIs
Publication statusPublished - Oct 15 1997

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sulfoxide
Nonionic surfactants
Micelles
Phase diagrams
Critical micelle concentration
Activity coefficients
Gibbs free energy
Chemical analysis
Surface-Active Agents
Surface tension
Surface active agents
Thermodynamics
Adsorption

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry

Cite this

Nonideal mixing in adsorbed film and micelle of ionic-nonionic surfactant mixtures. / Villeneuve, Masumi; Sakamoto, Hirotomo; Minamizawa, Hisanobu; Ikeda, Norihiro; Motomura, Kinsi; Aratono, Makoto.

In: Journal of Colloid and Interface Science, Vol. 194, No. 2, 15.10.1997, p. 301-310.

Research output: Contribution to journalArticle

Villeneuve, Masumi ; Sakamoto, Hirotomo ; Minamizawa, Hisanobu ; Ikeda, Norihiro ; Motomura, Kinsi ; Aratono, Makoto. / Nonideal mixing in adsorbed film and micelle of ionic-nonionic surfactant mixtures. In: Journal of Colloid and Interface Science. 1997 ; Vol. 194, No. 2. pp. 301-310.
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