双子表面活性剂结构对性能的影响

综述了双子表面活性剂亲水头基的性质、疏水尾基的性质及长度、连接基的性质及长度、反离子等结构参数对其溶解性、表面活性、胶束形状、起泡性及钙皂分散能力等的影响。双子表面活性剂是一类新型表面活性剂,具有临界胶束浓度低、表面活性高、增黏能力强等一系列优异性能,这些优良性能使其具有良好的应用潜力。指出了结构参数对于双子表面活性剂有针对性的应用的重要意义,并展望了这类表面活性剂的应用前景。

Effects of molecular structure on properties of gemini surfactants

The effects of various structure parameters of gemini surfactants such as nature of the hydrophilic head groups,nature and chain length of the hydrophobic tail groups,nature and chain length of the spacer groups,and nature of the counter ion et al.on their dissolution properties,surface activity,micelle morphology,foaming performance and lime soap dispersing power et al.were summarized.Gemini surfactants are a series of novel surfactants that have unique performances such as lower critical micelle concentration,high surface activity,strong viscosity boosting capability et al.These performances result in good application potentials.The important sense of the structure parameters of gemini surfactants on their specific applications was described.Their future applications were prospected.