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题名: Removal of the template molecules from MCM-41 with supercritical fluid in a flow apparatus
作者: Lu, XB;  Zhang, WH;  Xiu, JH;  He, R;  Chen, LG;  Li, X
刊名: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
发表日期: 2003-02-05
DOI: 10.1021/ie020422c
卷: 42, 期:3, 页:653-656
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: Supercritical CO2 modified with a methanol/dichloromethane mixture was used to quantitatively remove the template molecules (cetyltrimethylammonium bromide) from the pores of assynthesized pure siliceous MCM-41 in a flow apparatus. The resulting mesoporous MCM-41 materials, characterized by powder X-ray diffraction, nitrogen adsorption, and high-resolution transmission electron microscopy, exhibited higher surface areas, larger pores, and narrower pore size distributions than those obtained by conventional calcination at high temperature. The removed template retained its structures and properties and could be reused in the synthesis of MCM-41 materials.
关键词[WOS]: MESOPOROUS SILICA ;  EXTRACTION ;  SURFACTANT
语种: 英语
WOS记录号: WOS:000180771900026
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138297
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Lu, XB,Zhang, WH,Xiu, JH,et al. Removal of the template molecules from MCM-41 with supercritical fluid in a flow apparatus[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2003,42(3):653-656.
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