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

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

doi:10.1006/jcis.1997.5081

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

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

Trustee(Vice President)

Research output: Contribution to journal › Article › peer-review

48 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 language	English
Pages (from-to)	301-310
Number of pages	10
Journal	Journal of Colloid And Interface Science
Volume	194
Issue number	2
DOIs	https://doi.org/10.1006/jcis.1997.5081
Publication status	Published - Oct 15 1997

All Science Journal Classification (ASJC) codes

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

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10.1006/jcis.1997.5081

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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.",

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AU - Villeneuve, Masumi

AU - Sakamoto, Hirotomo

AU - Minamizawa, Hisanobu

AU - Ikeda, Norihiro

AU - Motomura, Kinsi

AU - Aratono, Makoto

PY - 1997/10/15

Y1 - 1997/10/15

N2 - 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.

AB - 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.

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

Abstract

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