四川师范大学学报（自然科学版）2013，Vol.36Issue(4)：626-630,5.DOI:10.3969/j.issn.1001-8395.2013.04.029
硫代甜菜碱12/十二烷基磺酸钠复配体系表面活性的研究
Study on Surface Activity of Mixed System of Sulfobetaine 12 and Sodium Dodecyl Sulfonate
摘要
Abstract
Mixed systems of surfactants show superior performance in aqueous solution.The study of the compatibility law plays an important role in applications of surfactants.The ability of forming micelle as well as the ability of reducing surface tension of the mixed system of zwitterionic surfactant (SB3-12) and anionic surfactant (SDS) has been investigated by surface tension measurement at 30℃.The results show that the synergism of the ability of reducing critical micelle concentration (CMC) and surface tension is relatively strong,and when the mole ratio of SB3-12 and SDS is about 5:5,the mixed system shows best properties.In this ratio CMC and the minimum surface tension of the mixed system are 1.80 mmol-L-1 and 34.90 mN · m-1 respectively,much lower than those of the single one.Stability and influence of anhydrous copper sulfate,β-cyclodextrin and n-butanol on surface activity of the mixed system have also been studied,it is found that the mixed system displays good stability,the surface activity of the mixed system is enhanced with the addition of anhydrous copper sulfate and n-butanol,but it is reduced with β-cyclodextrins.关键词
表面张力/临界胶束浓度/复配体系/增效作用/添加剂Key words
surface tension/ critical micelle concentration/ mixed system/ synergism/ additive分类
化学化工引用本文复制引用
贺国旭,潘自红,李松田,张鲁雅..硫代甜菜碱12/十二烷基磺酸钠复配体系表面活性的研究[J].四川师范大学学报（自然科学版）,2013,36(4):626-630,5.基金项目
河南省科技计划重点项目基金(102102310298)资助项目 （102102310298）
平顶山学院高层次人才科研启动经费资助项目(2008011)对本文给予了资助,谨致谢意. （2008011）
