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模板技术制备单块介孔分子筛 被引量:8
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作者 齐凯 杨振忠 +1 位作者 杨运信 赵得禄 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2002年第2期339-341,共3页
Surfactant template synthesis of mesoporous silica monolith was carried out via modified fast sol gel process. It was easy to obtain crack free silica monolith due to low volume shrinkage during the gelation. The morp... Surfactant template synthesis of mesoporous silica monolith was carried out via modified fast sol gel process. It was easy to obtain crack free silica monolith due to low volume shrinkage during the gelation. The morphology of the titled silica was characterized by transmission electron microscopy and X ray diffraction. The results showed that the pores were worm like and the pore size was about 4 nm. Further nitrogen isothermal absorption experiment indicated that the specific area of the titled material was 391 m 2/g, which was comparable with the reported value 306 m 2/g in literature. 展开更多
关键词 表面活性剂模板 快速溶胶-凝胶过程 介孔分子筛 二氧化硅单块 模板技术 自组装 制备
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