含氨基磁性高分子微球的制备与表征  

PREPARATION AND CHARACTERIZATION OF AMINO MAGNETIC POLYMER MICROSPHERE

作　　者：李晔[1] 王祝敏[1] 张凤霞[1] 

机构地区：[1]沈阳化工大学化学工程学院,辽宁沈阳110142

出　　处：《精细石油化工》2013年第2期21-24,共4页Speciality Petrochemicals

摘　　要：报道了甲基丙烯酸缩水甘油酯-甲基丙烯酸甲酯-二苯乙烯磁性高分子微球的制备与表征。采用共沉淀法制备了磁流体,并进行了双层表面活性剂改性。以改性后的Fe3O4磁流体为核心,通过开环反应、共聚等方法制备了含有氨基的磁性微球。通过扫描电镜观察磁性微球的形貌。微球的热重分析可以表明磁性微球具有较好的热稳定性。红外光谱测试说明微球表面含有氨基基团。X射线对Fe3O4及磁性微球分别表征,证明Fe3O4结构没有变化。The preparation and characterization of P（MMA-GMA-DVB） magnetic polymer microsphere were reported. Magnetic fluid was prepared by using co-precipitation, and double-surfactant modifica- tion was further implemented. With modified Fe3O4 magnetic fluid as the core, the magnetic polymer microsphere was prepared through co-polymerization and ring-opening reactions, followed by chemical co-precipitation. The morphology of magnetic microspheres could be observed by SEM. Thermal sta- bility of magnetic microsphere was testified by Thermal gravity analysis （TG-DTA）. The surface of microspheres containing amino groups was proved by infra-red spectrum test （FT-IR）. Fe3O4 and magnetic mierospheres were characterized by means of X-ray （XRD）, and the results showed that the structure of Fe3O4 had no change.

关 键 词：磁流体 磁性微球 共沉淀法 氨基 

分 类 号：TQ316.33[化学工程—高聚物工业]