Abstract
Cationic surfactants of 2-hidroxy-3-(2- alkylamidopolyethyl amino) propane-1-triethylammonium hydroxides (ix-xui) a-d were prepared from fatty acids (i) a-d [palmitic, stearic, oleic, linoleic acid] and mixed fatty acids of crude rice bran oil i e [RBO]. The reaction of these acids with ethylenediamine, diethylenetriamine, triethylenetetramine andletraethylenepentamine (ii) a-d produced (iii-vii) a-d . The produced amidopolyethylamine (iii-vii) a-d reacted with 2-epoxypropylenetriethylammonium chloride (viii) to give the cationic surfactants (ix-xiii) a-d . The produced derivatives were purified and characterized by microanalysis, molecular weight determination, infra-red (IR), and proton nuclear magnetic resonance ( 1 H NMR) spectra. The surface active properties and inhibition efficiency of the prepared cationic surfactants were determined.
Highlights
2, MATERIAL AND METHODSAll melting points are uncorrected; microanalysis and molecular weight determination by osmometric method, using CHCI3 as solvent; infra red (IR) spectrum were measured by a Pye Unicam SR-1000 infrared spectrophotometer as Nujul mul and ^H NMR spectra on a Varían EM-390 spectrophotometer operating at 90 MHz, using [603]2 CO as solvent and tetramethylsilane (TMS) as internal standard have been done
It has been reported that cationic surfactants, especially those having quaternary ammonium2.1, Crude Rice Bran OilThe oil was supplied by the Alexanderia company for extraction and hydrogénation of oils
Tables lll-IV); infra red (IR) and proton nuclear magnetic resonance (^H NMR) spectroscopic analysis were conducted to confirm the structure of some examples of the prepared compounds
Summary
All melting points are uncorrected; microanalysis and molecular weight determination by osmometric method, using CHCI3 as solvent; IR spectrum were measured by a Pye Unicam SR-1000 infrared spectrophotometer as Nujul mul and ^H NMR spectra on a Varían EM-390 spectrophotometer operating at 90 MHz, using [603]2 CO as solvent and tetramethylsilane (TMS) as internal standard have been done
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