| 单分散纳米二氧化硅微球表面化学修饰与表征 |
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| 引用本文： | 姜会平,王晓川,钟发春,郝晓飞.单分散纳米二氧化硅微球表面化学修饰与表征[J].广州化工,2011,39(8):36-39. |
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| 作者姓名： | 姜会平 王晓川 钟发春 郝晓飞 |
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| 作者单位： | 1. 西南科技大学材料科学与工程学院,四川绵阳621010;中国工程物理研究院化工材料研究所,四川绵阳621900
2. 中国工程物理研究院化工材料研究所,四川绵阳,621900 |
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| 基金项目： | 中国工程物理研究院化工材料研究所反恐资助项目 |
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| 摘 要： | 通过溶胶-凝胶法制备纳米二氧化硅微球,以乙醇作为分散介质,用硅烷偶联剂采用一步法对纳米二氧化硅进行了表面化学修饰。通过X-射线光电子能谱（XPS）、透射电子显微镜（TEM）和傅立叶红外光谱仪（FT-IR）等手段对其改性前后效果进行了分析。研究发现修饰后的纳米二氧化硅微球的疏水性增强;硅烷偶联剂与纳米二氧化硅表面羟基发生了化学反应。
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| 关 键 词： | 纳米二氧化硅 硅烷偶联剂 化学修饰 表征 |
Preparation and Surface Chemical Modification of the Monodisperse SiO2 Nanoparticles |
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| JIANG Hui-ping,WANG Xiao-chuan,ZHONG Fa-chun,HAO Xiao-fei.Preparation and Surface Chemical Modification of the Monodisperse SiO2 Nanoparticles[J].GuangZhou Chemical Industry and Technology,2011,39(8):36-39. |
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| Authors: | JIANG Hui-ping WANG Xiao-chuan ZHONG Fa-chun HAO Xiao-fei |
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| Affiliation: | 1 Materials Science and Engineering,Southwest University of Science and Technology,Sichuan Mianyang 621010;2 Institute of Chemical Materials,China Academy of Engineering Physics,Sichuan Mianyang 621900,China) |
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| Abstract: | The nano-SiO2 particles were prepared by sol-gel method and their surface was modified by one-step method in the help of ethanol and silane coupling agent.The basic performance of the powder was characterized by means of XPS,TEM and FI-IR.The results indicated that hydrophobic property of the modified nano-SiO2 paticles enhanced and the surface hydroxyls were reacted with silane coupling agent. |
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| Keywords: | nano-silica silane coupling agent chemical modification characterization |
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