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学科主题: 物理化学
题名: Mesoporous SBA-15 materials modified with PW or W active species as catalysts for the epoxidation of olefins with H2O2
作者: Zhang, Aiping1, 2;  Zhang, Yi1;  Wang, Puguang3;  Li, Jun1;  Lv, Ying1;  Gao, Shuang1
通讯作者: 高爽
关键词: Epoxidation ;  Hybrid materials ;  Hydrogen peroxide ;  Immobilization
刊名: RESEARCH ON CHEMICAL INTERMEDIATES
发表日期: 2011-10-01
DOI: 10.1007/s11164-011-0304-0
卷: 37, 期:8, 页:975-984
收录类别: SCI
文章类型: Review
部门归属: 08
项目归属: 0806
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
摘要: Mesoporous SBA-15 materials modified with PW or W active species as catalysts for the epoxidation of olefins with H2O2
研究领域[WOS]: Chemistry
英文摘要: Five catalysts containing PW or W active species that anchored onto aminosilylated mesoporous silica SBA-15 by a post-grafting route were prepared and the resulting PW or W/APTES/SBA-15 hybrid materials were characterized by XRD, N-2 adsorption/desorption, surface area analysis, TEM, FT-IR, and ICP (inductively coupled plasma atomic emission spectroscopy). The names of these catalysts have been abbreviated as SBA-15m-a, SBA-15m-b, SBA-15m-c, SBA-15m-d, and SBA-15m-e according to the different active species. The PW or W active species were highly dispersed in the channels of the modified mesoporous materials. The interaction between PW or W species and amino groups grafted on the channel surface of SBA-15 led to the immobilization of PW or W species. Their catalytic activity in the epoxidation of cyclooctene with H2O2 as oxidant was investigated. Among them, SBA-15m-a showed the best performance, with 98.9% conversion and 98.4% selectivity. The catalyst could be reused for six times with a little decrease in activity.
关键词[WOS]: AQUEOUS HYDROGEN-PEROXIDE ;  PHASE-TRANSFER CATALYSIS ;  EFFICIENT EPOXIDATION ;  OXIDANT ;  ALKENES ;  SILICA ;  PEROXOTUNGSTATE ;  PROPYLENE ;  COMPLEX ;  ACID
语种: 英语
WOS记录号: WOS:000295140200014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115519
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, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Shanxi Yanchang Petr Grp Co Ltd, Xian 710075, Peoples R China

Recommended Citation:
Zhang, Aiping,Zhang, Yi,Wang, Puguang,et al. Mesoporous SBA-15 materials modified with PW or W active species as catalysts for the epoxidation of olefins with H2O2[J]. RESEARCH ON CHEMICAL INTERMEDIATES,2011,37(8):975-984.
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