Cationic Imidazolium Monomeric Surfactants: Their Synthesis and Surface Active Properties
作者： Ishtiaque Ahmad , Pankaj Patial , Charanjeet Kaur , Satindar Kaur
DOI: 10.1007/S11743-013-1527-4
关键词:
摘要: A series of long-chain ester-based water-soluble cationics have been synthesized by using renewable raw materials like fatty acids and halogenated alcohols. The surface activity the molecules has determined measurement their conductance tension in aqueous solution. dynamics these surfactants also investigated presence sodium halides (NaCl NaBr) measurement. useful parameters critical micelle concentration (CMC), at CMC (γCMC), adsorption efficiency (pC20), effectiveness reduction (ΠCMC), Gibbs free energy micellization (ΔG0mic) (ΔG0ads) from measurements obtained conductivity methods. Further with application isotherm, maximum excess (Γmax) minimum area/molecule (Amin) air–water interface were estimated. Thermal stability long chain measured thermal gravimetric analysis under a nitrogen atmosphere. Analysis indicated that imidazoliums increases an increase length.
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