Polystyrene polymethacrylate diblock copolymers with well defined structures asw- ell as controlled and narrow molar mass distribution were obtained from the lower mass polystyrene macroinitiator.

• 聚苯乙烯 -聚甲基丙烯酸酯嵌段共聚物的分子量可控 ,分子量分布较窄 ,单体转化率较高。