From the aspect of agitation, we have discussed the effects of agitation speed and agitator type and position on particles diameter and diameter distribution;

• （3）从搅拌因素对聚合物颗粒特性的影响的角度出发，考察了搅拌速度、搅拌器桨型、搅拌器位置对聚合物颗粒平均粒径及粒径分布的影响；