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题名: Synthesis of titanium silicalites in different template systems and their catalytic performance
作者: Li, G;  Guo, XW;  Wang, XS;  Zhao, Q;  Bao, XH;  Han, XW;  Lin, LW
关键词: titanium silicalite ;  TS-1 ;  template effect ;  epoxidation ;  TPABr
刊名: APPLIED CATALYSIS A-GENERAL
发表日期: 1999-09-06
卷: 185, 期:1, 页:11-18
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Life Sciences & Biomedicine
类目[WOS]: Chemistry, Physical ;  Environmental Sciences
研究领域[WOS]: Chemistry ;  Environmental Sciences & Ecology
英文摘要: Titanium silicalites have been synthesized in the TPABr+ammonia, TPABr+hexanediamine, TPABr+ethylenediamine, TPABr+diethylamine, TPABr+TEAOH, TPABr+n-butylamine, TPABr+TBAOH and TBAOH+n-butylamine systems. As-synthesized titanium silicalites were characterized by XRD, IR and C-13 CP MAS NMR. Catalytic performance in epoxidation of propylene and template effect was investigated. It has been shown that both TPABr and TBAOH serve as templating agent in TPABr+TBAOH system. But in other systems, when there is enough TPABr, organic amines or ammoniums only act as the bases. TEAOH or n-butylamine can take the role of template when less TPABr is added. It indicates that the ability of organic amines or ammoniums to direct the Pentasil structure decreases as follows: TPA(+)>TBA(+)>TEA(+)>n-butylamine. Catalysts exhibiting good performance in epoxidation of propylene can be attained using TPABr as the template and ammonia, n-butylamine, diethylamine, hexanediamine or TBAOH as bases. (C) 1999 Elsevier Science B.V. All rights reserved.
关键词[WOS]: TS-1 ;  CRYSTALLIZATION ;  ZEOLITES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000081732400002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/86423
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, Lab Comprehens Utilizat Carbonaceous Resources, Dalian 116012, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Li, G,Guo, XW,Wang, XS,et al. Synthesis of titanium silicalites in different template systems and their catalytic performance[J]. APPLIED CATALYSIS A-GENERAL,1999,185(1):11-18.
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