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题名: Synthesis of Ti-MCM-41 using colloidal silica and titanium trichloride - II. Characterization of Ti-MCM-41 molecular sieve
作者: Yu, JQ;  Li, C;  Xu, L;  Li, MJ;  Xin, Q;  Liu, ZM
关键词: mesoporous molecular sieve ;  Ti-MCM-41 ;  pore structure ;  skeleton structure
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2001-07-01
卷: 22, 期:4, 页:331-334
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 ;  Engineering, Chemical
研究领域[WOS]: Chemistry ;  Engineering
英文摘要: The Ti-MCM-41 molecular sieve synthesized with colloidal silica and titanium trichloride has been characterized by nitrogen adsorption, TG-DTA and spectroscopies of FT-IR, UV-Vis and UV-Raman. N-2 adsorption isotherms reveal that with the incorporation of titanium into the framework of the molecular sieve, the pore size decreases and the wall thickness increases. TG and DTA profiles suggest that different template sorption sites exist in the framework of Ti-MCM-41. FT-IR, UV-Vis and UV-Raman spectra indicate that the formation of anatase TiO2 can be avoided during the preparation of the synthesis gel and the crystallization of the molecular sieve. Most Ti4(+) ions are isolated and tetrahedrally coordinated in the framework of MCM-41.
关键词[WOS]: MCM-41 ;  FRAMEWORK
语种: 英语
WOS记录号: WOS:000170470800005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138932
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Yu, JQ,Li, C,Xu, L,et al. Synthesis of Ti-MCM-41 using colloidal silica and titanium trichloride - II. Characterization of Ti-MCM-41 molecular sieve[J]. CHINESE JOURNAL OF CATALYSIS,2001,22(4):331-334.
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