[article]
| Titre : |
Effects of alkaline cations on self-assembly of cetylpyridinium surfactants |
| Type de document : |
texte imprimé |
| Auteurs : |
W. Müller, Auteur ; Ch. Déjugnat, Auteur ; O. Diat, Auteur ; Th. Zemb, Auteur |
| Année de publication : |
2011 |
| Article en page(s) : |
p. 40-47 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Cations
Cétylpyridinium
Extraction (chimie)
Hoffmeister, Séries de
Ions
Krafft, Température de
Surfactants
|
| Index. décimale : |
668.1 Agents tensioactifs : savons, détergents |
| Résumé : |
Here we study the influence of alkaline cations on the self-assembly of cetylpyridinium chloride and cetylpyridinium nitrate. It is known that the anionic counterions have a strong influence on the solubility and self-assembly properties of cationic surfactants. However, in this paper we will show that monovalent cations have also an influence which is weaker but detectable. Scattering techniques (X-Ray, light) were used to obtain structural information about the aggregation as a function of the temperature and the ionic strength. The results are interpreted in terms of ion pair adsorption at the micellar interface, depending on the ionic strength. |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=10669 |
in TENSIDE, SURFACTANTS, DETERGENTS > Vol. 48, N° 1/2010 (01-02/2011) . - p. 40-47
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