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Synthesis and Determination of Critical Micelle Concentration of Betainthioates Surfactants
Authors:Ali Khalfallah  Salma Mazzouzi
Affiliation:1. Laboratory of Molecular Organic Chemistry, National Higher Engineering School of Tunis, 5 Avenue Taha Hussein, Montfleury, 1089, Tunis, Tunisia;2. Laboratory of Organic and Analytic Chemistry, Institut Supérieure de l´Education et de la Formation Continue, 43, Rue de la Liberté, Bardo, 2000 Tunisia
Abstract:Two series of monotailed and bolaphiles surfactants having quaternary ammonium bromide polar head have been synthesized and characterized. The critical micelle concentration (CMC) of the synthesized cationic surfactants was determined by conductimetric method. According to CMC values, the increase in alkyl chain length leads to a decrease in CMC and the bola-type exhibits a higher CMC than their counterpart's monotailed.
Keywords:Monotailed  Bolaphiles  Cationic  Surfactants  Betainthioates
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