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题名: A new zeolite formed from interlayer expansion of the precursor COK-5
作者: Bian, Chaoqun1;  Wu, Qinming1;  Zhang, Jian1;  Chen, Fang1;  Pan, Shuxiang1;  Wang, Liang1;  Meng, Xiangju1;  Mueller, Ulrich2;  Feyen, Mathias2;  Yilmaz, Bilge3;  Gies, Hermann4;  Zhang, Weiping5;  Bao, Xinhe6;  De Vos, Dirk7;  Yokoi, Toshiyuki8;  Tatsumi, Takashi8;  Xiao, Feng-Shou1
关键词: Interlayer expansion ;  Zeolite ;  Lamellar precursor ;  COK-5 ;  DCDMS
刊名: MICROPOROUS AND MESOPOROUS MATERIALS
发表日期: 2015-09-15
DOI: 10.1016/j.micromeso.2015.04.017
卷: 214, 页:204-209
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical ;  Nanoscience & Nanotechnology ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Science & Technology - Other Topics ;  Materials Science
英文摘要: The layered silicate COK-5 has been used for an interlayer expansion reaction with dichlorodimethylsilane (DCDMS) at 180 degrees C to interconnect neighboring layers, yielding a new and crystalline microporous framework. The samples containing the methyl functional groups in the as-made form and having OH groups in the calcined form were designed as COE-5 and calcined COE-5. These samples were characterized with X-ray diffraction (XRD), N-2 sorption isotherms, inductively coupled plasma optical emission spectrometry (ICP-OES), infrared spectroscopy (IR), high-resolution transmission electron micrograph (HRTEM), thermogravimetry-differential thermal analysis (TG-DTA), and Si-29 and C-13 solid-state magic-angle spinning nuclear magnetic resonance (MAS NMR), as well as the contact angle techniques. XRD patterns and HRTEM images suggest that the sample interlayer spacing has been expanded by nearly 0.5 angstrom. The N-2 sorption isotherms of the materials show the BET surface areas are 165 m(2)/g for COE-5 and 340 m(2)/g for calcined COE-5. Si-29 and C-13 MAS NMR as well as IR spectroscopy confirm the insertion of the linker group -Si(CH3)(2)- connecting neighboring layers. Interestingly, calcined COE-5 shows enhanced catalytic performance in the acetalisation of glycerol with acetone to produce solketal, compared with COK-5. (C) 2015 Elsevier Inc. All rights reserved.
关键词[WOS]: FER-TYPE ZEOLITE ;  CRYSTAL-STRUCTURE ;  LAMELLAR PRECURSOR ;  TOPOTACTIC CONVERSION ;  ADSORPTION PROPERTIES ;  LAYERED PRECURSOR ;  EXPANDED ZEOLITE ;  MOLECULAR-SIEVE ;  SILICATE RUB-36 ;  CHANNEL SYSTEMS
语种: 英语
WOS记录号: WOS:000356749900027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146332
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.Zhejiang Univ, Dept Chem, Key Lab Appl Chem Zhejiang Prov, Hangzhou 310007, Zhejiang, Peoples R China
2.BASF SE, Proc Res & Chem Engn, D-67056 Ludwigshafen, Germany
3.BASF Corp, Proc Catalysts & Technol, Iselin, NJ 08830 USA
4.Ruhr Univ Bochum, Inst Geol Mineral & Geophys, D-44780 Bochum, Germany
5.Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China
6.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
7.Katholieke Univ Leuven, Ctr Surface Chem & Catalysis, Leuven, Belgium
8.Tokyo Inst Technol, Chem Resources Lab, Yokohama, Kanagawa 227, Japan

Recommended Citation:
Bian, Chaoqun,Wu, Qinming,Zhang, Jian,et al. A new zeolite formed from interlayer expansion of the precursor COK-5[J]. MICROPOROUS AND MESOPOROUS MATERIALS,2015,214:204-209.
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