Surface Properties,Thermodynamic Aspects and Antimicrobial Activity of Some Novel Iminium Surfactants |
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Authors: | Ismail Aiad Mohamed M El-Sukkary Ali El-Deeb Moshira Y El-Awady Samy M Shaban |
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Affiliation: | (1) Petrochemical Department, Egyptian Petroleum Research Institute, Cairo, Egypt;(2) Faculty of Science, Zagazig University, Zagazig, Egypt |
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Abstract: | Novel iminium compounds namely p-benzylidene benzyldodecyl iminium chloride (I), p-benzylidene benzylhexadecyl iminium chloride (II), p-benzylidene benzyloctadecyl iminium chloride (III) were prepared and characterized using FTIR, 1H-NMR and mass spectroscopy. The surface properties such as surface and interfacial tension, and biological activity of these
surfactants were investigated. The surface parameters including critical micelle concentration, maximum surface excess, and
minimum surface area. Efficiency and effectiveness were calculated, as well as free energies of micellization and adsorption.
The prepared cationic surfactants exhibit a better biological activity than the used reference cetyl trimethyl ammonium bromide. |
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