Synthesis and characterization of new cationic surfactants derived from lactic acid |
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| Authors: | Naoual Anoune Moustapha Nouiri Christian Arnaud Serge Petit Pierre Lanteri |
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| Affiliation: | (1) Université d'El Jadida, Morocco;(2) Innovation, Développement, Environnement, Alpes, Société IDEALP, Cusy, France;(3) Laboratoire de Chimiométrie-ERT, Université Claude Bernard & CPE-Lyon, 43 boulevard du 11 Novembre, 69622 Villeurbanne Cedex, France |
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| Abstract: | A series of new cationic surfactants was prepared by condensation of lactic acid with N,N-dimethyl propylamine, followed successively by acetylation with acid chloride or ester and by quaternization with dimethylsulfate. Each surfactant and its precursors' structural assignments were based on infrared spectra and 1H and 13C nuclear magnetic resonance spectra. Critical micelle concentrations, contact angles, kinetics of drop spreading, and foam capacities were determined. |
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| Keywords: | Contact angles critical micelle concentrations foaming power kinetics of spreading lactic acid quaternary ammonium surface tension surfactants |
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