Synergistic effect of bis-quaternary ammonium salt Gemini surfactant blended separately with sodium dodecylbenzene sulfonate and sodium dodecane sulfonate
Author(s): YANG Jing-jing, WU Wen-ying, WEI Wen-long, CHANG Hong-hong
Pages: 571-575
Year: 2016 Issue: 10
Journal: China Surfactant Detergent & Cosmetics
Keyword: bis-quaternary ammonium salt Gemini surfactant; sodium dodecylbenzene sulfonate; sodium dodecane sulfonate; blend;
Abstract: 采用荧光分光光度法和Zeta电位法考察了系列Gemini双季铵盐表面活性剂与阴离子表面活性剂十二烷基苯磺酸钠(SDBS)和十二烷基磺酸钠(SDS)的复配效果.结果表明,Gemini双季铵盐表面活性剂疏水链和连接基越长,cmc越小,且疏水链长度对表面活性剂性能的影响较大;Gemini双季铵盐表面活性剂的加入可显著提高阴离子表面活性剂SDBS和SDS的表面活性,当Gemini双季铵盐表面活性剂与SDBS或SDS的摩尔比为3∶7时,复配体系的cmc最小,且与SDS复配体系的性能优于与SDBS的复配体系.
Pages: 571-575
Year: 2016 Issue: 10
Journal: China Surfactant Detergent & Cosmetics
Keyword: bis-quaternary ammonium salt Gemini surfactant; sodium dodecylbenzene sulfonate; sodium dodecane sulfonate; blend;
Abstract: 采用荧光分光光度法和Zeta电位法考察了系列Gemini双季铵盐表面活性剂与阴离子表面活性剂十二烷基苯磺酸钠(SDBS)和十二烷基磺酸钠(SDS)的复配效果.结果表明,Gemini双季铵盐表面活性剂疏水链和连接基越长,cmc越小,且疏水链长度对表面活性剂性能的影响较大;Gemini双季铵盐表面活性剂的加入可显著提高阴离子表面活性剂SDBS和SDS的表面活性,当Gemini双季铵盐表面活性剂与SDBS或SDS的摩尔比为3∶7时,复配体系的cmc最小,且与SDS复配体系的性能优于与SDBS的复配体系.
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