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表面活性剂在非极性有机溶剂中的复杂反相聚集体
Complicated Reverse Aggregates of Surfactants in Non-Polar Organic Solvents
本综述总结了表面活性剂在非极性有机溶剂中复杂反相聚集体的研究状况,可见反相蠕虫胶束和反相囊泡的构筑基本上依赖卵磷脂,偶尔利用某些衍生物或AOT,所有这些两亲分子都可溶于非极性有机溶剂。合适的分子几何形状是获得反相蠕虫胶束和反相囊泡的基本要求。Raghavan小组创新的溶液制备方法使简单无机盐成为有效的分子几何调节剂,扩展了反相蠕虫胶束体系。结合当前的研究状况,就拓展表面活性剂的复杂反相聚集体研究提出了建议,包括重视少量添加水的作用、创新溶液制备方法、充分利用聚集体生成来带动表面活性剂溶解、重点考虑分子几何改善等。
The complicated reverse aggregates of surfactants in non-polar organic solvents are reviewed. So far, most of reverse wormlike micelles and reverse vesicles are formed by lecithin and only a few by some derivatives or sodium bis(2-ethylhexyl) sulfosuccinate (AOT). All these amphiphilies are soluble in non-polar organic solvents. Suitable molecular packing geometry is always required for the construction of reverse wormlike micelles or reverse vesicles. The new method developed by Raghavan group to prepare organic solutions made single inorganic salts possible as effective conditioning agents to improve the molecular packing geometry, which progresses the study of reverse wormlike micelles. Some suggestions are made so as to expand the investigations about the complicated reverse aggregates of surfactants in non-polar organic solvents, which include the role of water added, the preparing methods, the surfactant dissolution upon the aggregate formation, and the improvement of surfactant molecular geometry, etc.
Contents
1 Introduction
2 Summary on complicated reverse aggregates
3 The role of trace-water in reverse aggregation
surfactants
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