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采用新开发的带有乙氧基链的含氮阳离子表面活性剂———十二烷基二甲基羟乙基氯化铵(K3)与LAS进行复配,考察了复配体系的物化性能,如:界面张力、乳化力、润湿力、去污力以及K3对大肠肝菌、金黄色葡萄球菌的杀菌性能等。实验证明K3与阴离子表面活性剂有良好的复配性能与杀菌性能,对洗涤剂配方的改进,产品性能的提高具有指导意义。
A newly developed nitrogen-containing cationic surfactant with ethoxylated chain, dodecyldimethylhydroxyethyl ammonium chloride (K3), was compounded with LAS to investigate the physicochemical properties of the complex system , Such as: interfacial tension, emulsifying power, wetting power, detergency and bactericidal properties of K3 on E. coli and Staphylococcus aureus. Experiments show that K3 and anionic surfactants have good compounding properties and bactericidal properties, which have guiding significance for the improvement of detergent formulation and product performance.