摘要：研究了亲水性和疏水性两大类型颗粒在水中的分散规律及颗粒分散行为与表面润湿性、表面电位的关系。 对粒间作用势能的计算揭示了颗粒分散的机理。

关键词：亲水性颗粒；疏水性颗粒；分散行为；分散机理

Abstract：The relationships of dispersion-aggregation state of particle suspensions and w ettability，zeta potential of particles are examined．On the basis of experimental measurements and potential energy calculation，the mechanism of particle dispersion is discussed．

Key words：hydrophilic particle hydrophobic particle；dispersion-aggregation state；mechanism of particle disper sion