Abstract
Different head-group containing ionic-liquid cationic surfactants (ILCS) are synthesized by the reaction of 1-bromododecane and various alkylethanolamines ([mono(2-hydroxyethyl)amine, methyldiethanolamine, di(2-hydroxyethyl)amine, tris(2-hydroxyethyl)amine, 2-(methylamino)ethanol, N-2-(dimethylamino)ethanol, 2-(dimethylamino)ethanol]), which hold 2-hydroxyethyl group functionality. By tensiometric and conductometric measurements, surface parameters of the synthesized ILCSs are investigated. Variation of the colloid-chemical parameters with a change in the head group (e.g., replacing methyl-with ethyl- and 2-hydroxyethyl fragments) is recorded. The synthesized ILCSs antimicrobial properties are studied. Microbial assay analysis shows that C12DEA is the most effective biocide relative to other ILCS. New polyelectrolyte-surfactant complexes are also synthesized via stepwise procedure: Acrylic acid and potassium acrylate are polymerized and obtained polymer is propoxylated, then exploiting di(2-hydroxyethyl)amine and tris(2-hydroxyethyl)amine, the synthesized propoxylated acrylic polymers are neutralized. Our studies reveal that the synthesized polyacrylate surfactant complexes are promising substances for oil recovery.
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