| 反相乳液聚合法制备磁性铁氧化物复合纳米粒子 |
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| 引用本文： | 黄擎宇,王淑芝.反相乳液聚合法制备磁性铁氧化物复合纳米粒子[J].大庆师范学院学报,2011,31(3):101-104. |
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| 作者姓名： | 黄擎宇 王淑芝 |
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| 作者单位： | 大庆师范学院化学化工学院;大庆油田勘探开发研究院; |
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| 摘 要： | 综合运用了共沉淀和反相乳液聚合两种方法,制备出具有较强磁性的铁氧化物复合纳米粒子。在油包水反相乳液体系中,由过硫酸钾引发、以丙烯酰胺作为单体进行反相乳液聚合,聚合产物将磁性铁氧化物包覆并形成磁性复合纳米粒子。对铁氧化物纳米粒子进行X射线衍射分析、透射电子显微镜分析(VSM)和振荡样品磁强计分析(TEM);对磁性复合纳米粒子进行TEM分析、动态光散射分析和VSM的测试分析。获得的磁性复合纳米粒子直径约为300nm,饱和磁化度为6.9 emu/g,并且具有良好的超顺磁性质。
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| 关 键 词： | 高分子化学 磁性复合纳米粒子 反相乳液聚合法 磁性铁氧化物 油包水反相乳液体系 超顺磁性 |
Preparation of Magnetic Iron Oxide Nano-composite Particles via Inverse Emulsion Polymerization |
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| HUANG Qing-yu,WANG Shu-zhi.Preparation of Magnetic Iron Oxide Nano-composite Particles via Inverse Emulsion Polymerization[J].Journal of Daqing Normal University,2011,31(3):101-104. |
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| Authors: | HUANG Qing-yu WANG Shu-zhi |
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| Institution: | HUANG Qing-yu1,WANG Shu-zhi2(1.College of Chemistry and Chemical Engineering,Daqing Normal University,Daqing 163712,China,2.Exploration and Development Research Institute,Daqing Oilfield,China) |
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| Abstract: | In this paper,we used coprecipitation and inverse emulsion polymerization to obtain magnetic iron oxide nano-composite particles with good magnetic saturation.In water-in-oil inverse emulsion system,we finished inverse emulsion polymerization of acrylamide via initiating by potassium peroxydisulfate.Nanosized magnetic iron oxide was encapsulated by polyacrylamide and magnetic nano-composite particles were formed.In this paper,the iron oxide nano-particles were characterized by X-ray diffraction analysis,tra... |
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| Keywords: | polymer chemistry magnetic nano-composite particles inverse emulsion polymerization magnetic iron oxide water-in-oil inverse emulsion system superparamagnetic properties |
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