正负离子表面活性剂复配系统

正负离子表面活性剂复配系统，由于其带有相反电荷的离子头基间的强静电相互作用，具有强协同效应和高表面活性，在水溶液中可形成丰富的微观结构，表现出复杂的相行为。本文在相关研究的基础上，对于正负离子表面活性剂复配系统在表面（界面）性质，囊泡的制备及稳定性，虫状胶束的生成和性质，双水相系统的性质及其在萃取方面的应用，拟相分离模型、热力学胞腔模型、分子热力学模型及分子模拟等理论研究和作为模板合成纳米材料等方面的研究进展进行了综述。对于双水相系统的研究，指出了一些有待于进一步解决的问题。

Mixed Cationic and Anionic Surfactants Systems

Because of the strong static attraction between the oppositely charged head groups,the mixed cationic and anionic surfactant systems possess strong synergistic effect and high surface activity,form rich microstructures in aqueous solution and exhibit complicated phase behavior.In this paper,we review recent progress about surface(interface) properties,the preparation and stability of vesicles,the formation and properties of wormlike micelles,and the properties and applications on extraction of aqueous two-phase systems.The theory investigation(such as pseudo-phase separation model,thermodynamic cell model,molecular thermodynamics and molecular simulation etc.) and the synthesis of nanomaterial using mixed cationic/anionic surfactant systems as templates are discussed.For the research of the aqueous two-phase systems,some questions need to be solved are indicated.