Micellar Properties for Propoxylated Surfactants in Water/Alcohol Solvent Mixtures and Their Antibacterial and Polyester Fabric Antistatic Performances
Two propoxylated quaternary amine surfactants characterized by two and six average PO adduct numbers (PO-2 and PO-6 QA surfactants) were synthesized to investigate the micellar properties of propoxylated cationic surfactants in water/alcohol mixtures. The effect of PPO groups on micelle formation was explored using conductivity, UV–vis spectroscopy, dynamic light scattering techniques. Regular or reverse micellization occur with water or alcohol rich solvent mixtures, respectively. For intermediate composition no micellization occurs. Also the performances in antibacterial and antistatic fabrics were studied. PO-2 QA surfactant has excellent antibacterial activities against both the Gram-negative bacterium Escherichia coli and the Gram-positive bacterium Staphylococcus aureus while both surfactants have good antistatic activity over polyester fabric.
KeywordsMicellar properties Cationic propoxylate surfactant Water/alcohol mixtures Antibacterium Polyester fabric antistatic property
The authors acknowledge the financial support by the International Science and Technology Cooperative Project of China (No. 2013DFA42120), National Science and Technology support projects (No. 2014BAE03B04 and 2014BAE03B03), International Science and Technology Cooperative Project of Shanxi province (No. 2015081046).
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