This paper discussed grain fineness and superficial activation of inorganic fillers as well as their toughening and strengthening mechanism in modified polypropylene (PP) .

• 讨论了无机填料微细化和表面活性化以及无机粒子对聚丙烯增韧增强机理,介绍了无机填料对聚丙烯的改性效果与应用。