[article]
| Titre : |
Synthesis of 1,3-Bis-[(Dodecanoyl Oxypropyl Dimethylammonium) Propane] Dibromide Ester-Quat Surfactant: Micellar, Thermodynamic and Corrosion-Inhibiting Properties |
| Type de document : |
texte imprimé |
| Auteurs : |
S. Alehyen, Auteur ; F. Benssejjay, Auteur ; M. El Achouri, Auteur ; M. R. Infante, Auteur ; L. Perez, Auteur ; Y. Benssouda, Auteur |
| Année de publication : |
2007 |
| Article en page(s) : |
p. 160-167 |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Anticorrosifs
Micelles
Surfactants
Tension superficielle
|
| Tags : |
Gemini surfactant Bis-ester-quat Critical micellar concentration Surface tension corrosion inhibitor |
| Index. décimale : |
668.1 Agents tensioactifs : savons, détergents |
| Résumé : |
Ester–quat surfactant: 1,3-bis-[(dodecanoyl oxypropyl dimethylammonium) propane] dibromide referred as 12-3-3-3-12 was synthesized, purified and characterized by Elemental Analysis, 1H-NMR, 13C-NMR, IR and Mass Spectra. The thermodynamic properties of aqueous solutions of this ester-quat were investigated using Electrical Conductivity and SurfaceTension measurements. The corresponding parameters of micellisation were determined for each technique. Otherwise the inhibitive action of the ester-quat (12-3-3-3-12) on the corrosion behaviour of iron was investigated in HCl and H2SO4 medium by means Electrochemical Resistance and Polarisation methods. The ester-quat 12-3-3-3-12 acts as a cathodic-type inhibitor. The maximum inhibition efficiency was reached around the critical micellar concentration. The ester-quat appears to be adsorbed in the metal/liquid interface through the general mode following the Frumkin adsorption model. |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=3216 |
in TENSIDE, SURFACTANTS, DETERGENTS > Vol. 44, N° 3/2007 (06-07/2007) . - p. 160-167
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