| 纳米SiO2粉体的制备及其性质研究 |
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| 引用本文： | 陈曦. 纳米SiO2粉体的制备及其性质研究[J]. 长春工程学院学报(自然科学版), 2012, 13(3): 126-128 |
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| 作者姓名： | 陈曦 |
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| 作者单位： | 江苏联合职业技术学院泰州机电分院,江苏泰州,225300 |
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| 摘 要： | 采用溶胶—凝胶法制备了纳米SiO2,研究了3种干燥条件对制备纳米SiO2粉体的影响,对制备的纳米SiO2粉体的表面结构做了分析。结果表明:通过CO2超临界流体技术制备的SiO2超细粉体分散性好,比表面积高,粒径为30nm左右。
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| 关 键 词： | 纳米SiO2 溶胶—凝胶 超临界干燥 |
The research on preparation and properties of Nano-SiO2 powder |
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| CHEN Xi. The research on preparation and properties of Nano-SiO2 powder[J]. Journal of Changchun Institute of Technology(Natural Science Edition), 2012, 13(3): 126-128 |
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| Authors: | CHEN Xi |
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| Affiliation: | CHEN Xi(Taizhou Mechanical and Electrical School, Jiangsu Union Technical Institute, Taizhou Jiangsu 225300,China) |
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| Abstract: | Nano-SiO2 was prepared by sol-gel method.In this paper,three kinds of drying conditions on the preparation of Nano-SiO2 powders have been studied.The surface structure of Nano-SiO2 has been analyzed.The results show that:The Nano-SiO2 powders with optimal dispersibility and higher specific surface area grains with average diameter of about 30 nm can be obtained by carbon dioxide supercritical drying technique. |
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| Keywords: | Nano-SiO2 sol-gel supercritical drying |
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