| 弱酸性条件下SBA-16型二氧化硅介孔材料的合成与表征 |
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| 引用本文： | 金政伟,汪晓东,崔秀国.弱酸性条件下SBA-16型二氧化硅介孔材料的合成与表征[J].化工学报,2006,57(6):1486-1489. |
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| 作者姓名： | 金政伟 汪晓东 崔秀国 |
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| 作者单位： | 北京化工大学化工资源有效利用国家重点实验室，北京 100029;延边大学化工系，吉林 延吉 133002 ; |
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| 摘 要： | 引言 有序介孔材料由于具有较大的比表面积、均一可调的孔径(2～50 nm)、规则可控的形貌、较高的热稳定性和耐水解性等性能,在分离、吸附、催化、生物材料、信息材料、碳纳米管制备等领域有着广泛应用1-3].
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| 关 键 词： | 介孔材料 SBA-16 嵌段共聚物 合成 表征 |
| 文章编号： | 0438-1157（2006）06-1486-04 |
| 收稿时间： | 07 6 2005 12:00AM |
| 修稿时间： | 2005-07-062005-12-01 |
Synthesis and characterization of SBA-16-type mesoporous silica under a moderately acidic condition |
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| JIN Zhengwei,WANG Xiaodong,CUI Xiuguo.Synthesis and characterization of SBA-16-type mesoporous silica under a moderately acidic condition[J].Journal of Chemical Industry and Engineering(China),2006,57(6):1486-1489. |
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| Authors: | JIN Zhengwei WANG Xiaodong CUI Xiuguo |
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| Affiliation: | 1 State Key Laboratory of Chemical Resourse Engineering, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, China; 2Department of Chemical Engineering, Yanbian University, Yanji 133002, Jilin, China |
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| Abstract: | A SBA-16-type mesoporous silica material was synthesized under a moderately acidic condition of 0.5 mol•L-1 HCl solution.These mesoporous materials were characterized with X-ray diffraction（XRD）pattern，scanning electron microscopy（SEM），transmission electron microscopy（TEM），and nitrogen adsorption-desorption measurements.The three-dimensional microporosity of the prepared mesoporous silica having ordered hexagonal mesoporous structure was evidenced by the well-defined XRD patterns combined with TEM photographs.SEM observation showed a highly ordered cubic crystal structure for the prepared mesoporous silica.The size of these crystallites was maintained within the range of 4—6 μm，which is fairly important for the application to the stationary phase for separation.The nitrogen adsorption-desorption analysis revealed that the prepared mesoporous silica possessed a small pore diameter of 3.68 nm，a total surface area of 363.65 m2•g-1，a total pore volume of 0.38 cm3•g-1，and a pore-wall thickness of 6.63 nm.These features may lead to higher thermal and hydrothermal stability，excellent microporosity，and good connectivity.The mesoporous silica prepared in this study exhibited potential applications to catalysis，sensoring，and separation. |
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| Keywords: | mesoporous silica SBA-16 block polymer synthesis characterization |
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