Ion extractant as cosurfactant at the water-oil interface in microemulsions / C. Bauer in TENSIDE, SURFACTANTS, DETERGENTS, Vol. 47, N° 5/2010 (09-10/2010)

[article]  inTENSIDE, SURFACTANTS, DETERGENTS > Vol. 47, N° 5/2010 (09-10/2010) . - p. 307-311 Titre : Ion extractant as cosurfactant at the water-oil interface in microemulsions Type de document : texte imprimé Auteurs : C. Bauer, Auteur ; P. Bauduin, Auteur ; O. Diat, Auteur ; T. Zemb, Auteur Année de publication : 2010 Article en page(s) : p. 307-311 Note générale : Bibliogr. Langues : Anglais (eng) Catégories : Diffusion aux petits angles Extraction (chimie) Ions Microémulsions Phosphate de tributyle Sucre Surfactants Index. décimale : 668.1 Agents tensioactifs : savons, détergents Résumé : Bicontinuous microemulsions are investigated as a model system for the specific adsorption phenomena of metal ions at the water-oil interface. Mixing an extremely hydrophobic ion extractant – tributyl phosphate (TBP) used here as co-surfactant – with an extremely hydrophilic sugar-based surfactant, we describe a new type of functionalized microemulsions that shows the classical Winsor phases, by varying the surfactant/extractant ratio. We focus on the Winsor III-type microemulsions by determining the phase diagrams whereas the microstructures were accessed by performing small angle neutron scattering experiments. Ultimately, these microemulsions may pave the way for the design of new selective ion extraction processes. Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=9957 [article]

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