| 纳米二氧化硅颗粒表面接枝改性的研究 |
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| 引用本文： | 汪加胜,唐舫成,朱东湖,张有勇.纳米二氧化硅颗粒表面接枝改性的研究[J].广东化工,2010,37(4):75-76,83. |
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| 作者姓名： | 汪加胜 唐舫成 朱东湖 张有勇 |
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| 作者单位： | 广州鹿山新材料股份有限公司,广东,广州,510530 |
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| 摘 要： | 本工作选择马来酸酐和苯乙烯单体在纳米二氧化硅粒子表面进行接枝改性,首先对纳米粒子进行烷基化处理,引入双键,然后引发聚合,使得马来酸酐和苯乙烯与纳米粒子之间形成化学键合。详细研究了各种聚合条件(引发剂浓度、单体加入量的比例、反应温度等)对接枝效果的影响,认为烷基化改性后的纳米二氧化硅粒子在聚合体系中充当极性溶剂中心的作用,控制马来酸酐和苯乙烯在粒子表面的接枝。
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| 关 键 词： | 接枝共聚 表面改性 纳米粒子 |
Surface Modification of Nano-silica Particles by Graft Polymerization |
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| Wang Jiasheng,Tang Fangcheng,Zhu Donghu,Zhang Youyong.Surface Modification of Nano-silica Particles by Graft Polymerization[J].Guangdong Chemical Industry,2010,37(4):75-76,83. |
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| Authors: | Wang Jiasheng Tang Fangcheng Zhu Donghu Zhang Youyong |
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| Affiliation: | (Guangzhou Lushan New Materials Co., Ltd., Guangzhou 510530, China) |
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| Abstract: | Maleic anhydride and styrene were chemically attached to silica nanoparticles through the double bonds introduced during the pretreatment with a silane coupling agent. The factors affecting graft copolymerization were carefully investigated, including the concentration of initiator, ratio of monomers, and reaction temperature. The alkylated nano-silica particles acted as the center of polar solvent and controlled the grafting reaction. |
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| Keywords: | graft copolymerization surface modification nanoparticles |
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