羧基磁性高分子微球的制备和表征  

Preparation and Characterization of Carboxylate-modified Magnetic Microspheres

作　　者：王强斌[1] 古宏晨[1] 朱以华[1] 高峰[2] 王胜林[1] 

机构地区：[1]华东理工大学技术化学物理研究所超细材料制备与应用教育部重点实验室,上海200237 [2]中国科学院上海原子核研究所,上海201800

出　　处：《化学世界》2001年第8期410-413,共4页Chemical World

基　　金：上海市科委新材料研究中心资助项目 (99JC14 0 16)

摘　　要：用改进的悬浮聚合法制备了表面含有羧基功能团的聚苯乙烯磁性微球。考察了磁微球的形态与结构 ,测定了磁微球的粒径与磁响应性 ,主要研究了单体 /水、丙烯酸 /单体、反应温度和反应时间对磁性微球形成的影响 ,并对磁性微球的生物吸附活性进行了表征。Carboxylate modified magnetic microspheres were prepared by using modified suspension polymerization method. Their structure, size distribution and magnetic content were measured. The effect of monomer water ratio, methyl acrylate monomer ratio, temperature and time of reactions were studied. Their biological absorptions of b γ IgG to the magnetic microsphere were characterized by means of radiation immunology method. The optimum conditions of preparation for the magnetic microspheres with good biological absorption were studied.

关 键 词：羧基磁性微球 悬浮聚合 聚苯乙烯 制备 形态 结构 高分子微球 生物吸附活性 

分 类 号：O632.13[理学—高分子化学] O631.1[理学—化学]