Kinetics of Surfactant Adsorption at Fluid-Fluid Interfaces: Surfactant Mixtures

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dc.creatorAriel, G.
dc.creatorDiamant, H.
dc.creatorAndelman, D.
dc.date1999-03-30
dc.date.accessioned2026-07-07T06:34:19Z
dc.date.available2026-07-07T06:34:19Z
dc.descriptionThe adsorption at the interface between an aqueous solution of several surface-active agents and another fluid (air or oil) phase is addressed theoretically. We derive the kinetic equations from a variation of the interfacial free energy, solve them numerically and provide an analytic solution for the simple case of a linear adsorption isotherm. Calculating asymptotic solutions analytically, we find the characteristic time scales of the adsorption process and observe the behavior of the system at various temporal stages. In particular, we relate the kinetic behavior of the mixture to the properties of its individual constituents and find good agreement with experiments. In the case of kinetically limited adsorption, the mixture kinetics is found to be considerably different from that of the single-surfactant solutions because of strong coupling between the species.
dc.description19 pages, 7 figures, to be published in Langmuir
dc.identifierhttps://arxiv.org/abs/cond-mat/9903428
dc.identifierhttp://arxiv.org/abs/cond-mat/9903428
dc.identifierLangmuir 15, 3574 (1999)
dc.identifierdoi:10.1021/la980774h
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/99492
dc.subjectSoft Condensed Matter
dc.subjectChemical Physics
dc.titleKinetics of Surfactant Adsorption at Fluid-Fluid Interfaces: Surfactant Mixtures
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