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http://dx.doi.org/10.12925/jkocs.2013.30.3.380

Synthesis and Their Physical Properties of Cationic Surfactants bearing Hydrophobic Chains of Aromatic Subtituents  

Ahn, Beom-Shu (Department of Chemistry, Dae-jin University)
Publication Information
Journal of the Korean Applied Science and Technology / v.30, no.3, 2013 , pp. 380-386 More about this Journal
Abstract
N,N,N-Trimethyl-10-nitrophenoxy decylammonium bromide (N10TAB) and N,N,N,N-Tetramethyl-bis-[10-nitrophenoxy decyl]-1,6-hexanediammonium dibromide (N10-6-10N), bearing aromatic nitrophenoxy group in the end of their hydrophobic chains have been prepared, and their properties in aqueous solutions have been studied by conductivity and H-NMR spectroscopy. Below the critical micelle concentration N10-6-10N form premicelle with two or three surfactant molecules. Beyond the critical micelle concentration two molecules have strong self-aggregation ability and form micelles of rather small size and with small aggregation numbers. H-NMR at different concentrations give the informations on the environmental changes of the surfactants on their micellization progress.
Keywords
hydrophilic chain; critical micelle concentration; surfactants; solvent sensitive; intermolecular interactions;
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