| 分散聚合制备单分散阳离子型聚苯乙烯微球 |
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| 引用本文： | 王占丽,刘莲英,邓建平,马育红,杨万泰.分散聚合制备单分散阳离子型聚苯乙烯微球[J].北京化工大学学报(自然科学版),2007,34(1):39-43. |
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| 作者姓名： | 王占丽 刘莲英 邓建平 马育红 杨万泰 |
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| 作者单位： | 北京化工大学材料科学与工程学院,北京,100029;北京化工大学材料科学与工程学院,北京,100029;北京化工大学材料科学与工程学院,北京,100029;北京化工大学材料科学与工程学院,北京,100029;北京化工大学材料科学与工程学院,北京,100029 |
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| 基金项目： | 国家自然科学基金
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北京市教委高分子化学与物理学科建设重点项目 |
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| 摘 要： | 以甲基丙烯酰氧乙基三甲基氯化铵（DMC）为可聚合型分散剂，甲醇为分散介质，研究了苯乙烯的分散聚合，制得了表面带正电荷的粒径为0.98～2.78μm，分散系数为0.04～0.25的聚苯乙烯微球。用扫描电镜观察了聚苯乙烯微球的形貌，探讨了分散聚合过程及分散剂浓度等反应参数对聚合物微球粒径及其分布的影响。结果表明，当m(St)/m(MeOH)为0.1、m(DMC)/m(St)为0.02和m(AIBN)/m(St)为0.02时，聚苯乙烯微球的分散系数最低（为0.04），粒径为2.78μm。
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| 关 键 词： | 单分散 阳离子微球 聚苯乙烯 分散聚合 |
| 收稿时间： | 2006-04-26 |
| 修稿时间： | 2006-04-26 |
Monodispersed cationic microspheres of polystyrene prepared by dispersion polymerization |
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| WANG ZhanLi,LIU LianYing,DENG JianPing,MA YuHong,YANG WanTai.Monodispersed cationic microspheres of polystyrene prepared by dispersion polymerization[J].Journal of Beijing University of Chemical Technology,2007,34(1):39-43. |
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| Authors: | WANG ZhanLi LIU LianYing DENG JianPing MA YuHong YANG WanTai |
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| Institution: | College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China |
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| Abstract: | Cationic microspheres of polystyrene were prepared through dispersion polymerization in methanol with ［2-(methacryloyloxy)ethyl］ trimethylammonium chloride (DMC) as polymeric stabilizer and AIBN as initiator. The polymerization behavior and effects of varying the concentration of stabilizer, monomer and initiator onparticle size and size distribution were studied. By means of SEM, it was shownthat monodispersed microspheres of polystyrene with particle size in the range of 0.98～2.78μm could be obtained. |
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| Keywords: | monodispersed cationic microspheres polystyrene dispersion polymerization |
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