Polymer latices with bi-modal particle size distribution were prepared by introducing a second seed into a semi-continuous emulsion polymerization.

• 通过在聚合过程中加入第2种子乳液，制备出了具有二元分散粒径分布的乳液，研究了第2种子乳液量对乳液粒径及粒径分布的影响。