Monodisperse magnetic PS microspheres were prepared by means of improved emulsion polymerization,with alcohol/water mixture as reaction medium,SDBS as emolsifier and KPS as initiator.

• 用改进的乳液聚合法,以乙醇/水为反应介质,十二烷基苯磺酸钠为乳化剂,过硫酸钾为引发剂,制备出单分散性聚苯乙烯磁性微球。