| 纳米SiO_2表面接枝聚合改性及在PP中的分散 |
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| 引用本文： | 王东波,田言,韩俐伟,聂玉梅,吴青,霍力超,冯玉杰.纳米SiO_2表面接枝聚合改性及在PP中的分散[J].合成树脂及塑料,2008,25(1):32-34,39. |
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| 作者姓名： | 王东波 田言 韩俐伟 聂玉梅 吴青 霍力超 冯玉杰 |
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| 作者单位： | 1. 哈尔滨工业大学市政环境工程学院,黑龙江,哈尔滨,150090
2. 黑龙江省化工研究院,黑龙江,哈尔滨,150076 |
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| 摘 要： | 纳米SiO2粒子经硅烷偶联剂表面处理后,采用乳液聚合方法在纳米SiO2粒子表面接枝苯乙烯单体,实现了纳米SiO2表面的高分子包覆改性,制备了具有核壳结构的聚苯乙烯接枝SiO2复合纳米粒子.采用傅里叶变换红外光谱、透射电子显微镜对纳米SiO2粒子的表面结构及其在聚丙烯(PP)中的分散状况进行了表征.结果表明,接枝改性后纳米SiO2粒子能够在PP基体中均匀分散,明显改善了PP复合材料的力学性能.
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| 关 键 词： | 聚丙烯 苯乙烯 纳米二氧化硅 偶联剂 乳液聚合 |
| 文章编号： | 1002-1396（2008）01-0032-04 |
| 收稿时间： | 2007-08-30 |
| 修稿时间： | 2007-10-12 |
Surface modification by grafting polymerization and dispersion in PP matrix of nano-silica |
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| Wang Dongbo,Tian Yan,Han Liwei,Nie Yumei,Wu Qing,Huo Lichao,Feng Yujie.Surface modification by grafting polymerization and dispersion in PP matrix of nano-silica[J].China Synthetic Resin and Plastics,2008,25(1):32-34,39. |
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| Authors: | Wang Dongbo Tian Yan Han Liwei Nie Yumei Wu Qing Huo Lichao Feng Yujie |
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| Affiliation: | Wang Dongbo~1,Tian Yan~1,Han Liwei~2,Nie Yumei~2,Wu Qing~2,Huo Lichao~2,Feng Yujie~1,(1.School of Municipal , Environmental Engineering,Harbin Institute of Technology,Harbin 150090,China,2.Research Institute of Chemical Industry of Heilongjiang Province,Harbin 150076,China) |
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| Abstract: | Styrene monomers were grafted onto the surface of the nano-SiO_2 particles via emulsion polymerization after the particles underwent surface pretreatment with silane coupling agent KH-570,for reaching the polymeric coating modification of the particles.The nano-SiO_2 composite particles featuring shell-core structure were prepared in such a way.The surface structure and distribution status in PP matrix of the nano-SiO_2 particles were characterized by Fourier transform infrared spectrometry(FTIR)and transmi... |
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| Keywords: | polypropylene styrene nano-silica coupling agent emulsion polymerization |
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