摘要：简述了研究超细粉体在水性体系中的分散、稳定性的重要性 ,论述了各种分散剂的分散稳定机理 (静电稳定机理和空间位阻稳定机理 )及其应用前景 ,总结出分散剂发展的趋势是利用分子设计的方法设计并合成高效的超分散剂。

关键词：超细粉体;分散剂;静电稳定;空间位阻;

Abstract：The importance of studying the dispersion and stabilization in aqueous systems is summarized，the dispersion mechanism of two kinds of dispersants（electrostatic stabilization and steric hindrance stabilization）and their prospects are also analy sed．A conclusion is drawn that the trend of dispersant is to design an efficient macromolecule dispersant by using the molecule-designing methods and synthesize it． 

Key words：ultrafine particle；dispersant；electrostatic stabilization；steric hindrance stabilization