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Two homologous series of soft structures, i.e., the diesterquat-type N,N-dimethyl-N,N-bis[2-(alkoxycarbonyl)ethyl]ammonium bromides (2xCnE-Br, n=10, 12) and the diamidequat-type N,N-dimethyl-N,N-bis[2-(N-alkylcarbamoyl)ethyl]ammonium bromides (2xCnA-Br, n=8, 10, 12), were synthesized according to a technologically convenient procedure. The equilibrium surface tension isotherms of investigated ammonium...
A series of dicephalic-type 1,1-bis{[3-(N,N-dimethylamino) ethyl]amido}alkane-di-N-oxide surfactants were synthesized and their aggregation behavior in an aqueous environment was described, both experimentally and theoretically. Surface tension and electron paramagnetic resonance (EPR) spectroscopy were applied to monitor the micellization behavior of the studied dicephalic surfactants in aqueous...
Systematic studies of adsorption phenomena and micellization for several cationic acetal-type surfactants: [(2-alkyl-1,3-dioxolane-4-yl)methyl]trimethylammonium bromides (C n -D-TAB; where C n = C 9 H 19 , C 11 H 23 or C 13 H 27 ) and [(2,2-dialkyl-1,3-dioxolane-4-yl)methyl]trimethylammonium bromides (C n...
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