摘要
在共沉淀法合成超细磁粉的基础上,以苯乙烯(St)为单体,过氧化苯甲酰(BPO)或过硫酸钾(KPS)为引发剂与丙烯酸共聚。用分散聚合法得到了含羧基(-COOH)的具有核壳结构的磁性高分子微球。并讨论了影响微球粒径的各种因素。同时采用SEM、IR等对样品进行了表征。
The magnetic oxide Fe3O4 was prepared by co-precipitation.Using BPO or KPS as the initiator,the core-shell composite magnetic polymer microspheres with Surface groups were synthesized by copolymerization of styrene and Carboxyl groups in the presence of magnetic oxide and characterized by scanning electron microscope,infrared.Later we discuss the factors that influence the diameter of Magnetic Polymer Microspheres and dispersion condition.
出处
《安顺学院学报》
2009年第6期82-86,共5页
Journal of Anshun University
关键词
磁流体
分散聚合法
磁性高分子微球
ferrofluid
dispersion copolymerization method
Magnetic polymer microsphere
