A water dispersed SBS grafted polymer was synthesized by free radical polymerization.The polymer could be easily dispersed in water and as a result it formed spherial particals in semi-micros.

• 采用自由基接枝共聚的方法合成了亲水性SBS接枝丙烯酸共聚物，同时进行了结构表征。该共聚物易于分散在水中，并形成亚微米级球形微粒。