The additive mass and the accession rate of emulsifier have both effect on average size and polydispersity of the latex during seeded emulsion polymerizing.

• 种子乳液聚合中，补加单体的量、乳化剂的补加速度等对最终聚苯乙烯乳胶粒粒径和粒径分布均产生较大影响。