Properties and sodium salicylate induced aggregation behavior of a tail-branched cationic surfactant with a hydroxyl-containing hydrophilic head

摘要: A cationic surfactant with a Guerbet-type branched tail and hydroxyl-decorated head group was synthesized characterized. Its properties including surface activity, dynamic tension, wetting ability, concentration/salt induced aggregation pattern transition rheological responses of aqueous solutions were measured analyzed. It found that this new amphiphile possessed powerful activity (γcmc = 25.26 mN m−1) could enhance the spreading an solution on low energy solid (paraffin surface); while tension measurements implied diffusion rate molecules, influenced by presence hydroxyl groups, had impact process. determined introduction branching hydrophobes hydroxyls into amphiphilic material crucially contributed to superior performances. Moreover, visual increasing concentration its observed, addition structure-forming additive sodium salicylate (NaSal) highly improve viscosity inducing micellar growth in system which researched experiments. Scanning electron microscopy (SEM) transmission (TEM) operated investigate transformation aggregates are responsible for phase behavior or responses.