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题名: Rh-PPh3-polymer@mesosilica composite catalyst for the hydroformylation of 1-octene
作者: Zhang, Xiaoming1, 2;  Lu, Shengmei1;  Zhong, Mingmei1, 2;  Zhao, Yaopeng1;  Yang, Qihua1
关键词: Rh-PPh3-polymer@mesosilica composite ;  Heterogeneous catalysis ;  Hydroformylation reaction
刊名: CHINESE JOURNAL OF CATALYSIS
发表日期: 2015-02-01
DOI: 10.1016/S1872-2067(14)60228-X
卷: 36, 期:2, 页:168-174
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: Rh-PPh3-polymer@mesosilica composites were prepared by the polymerization of mixtures of divinylbenzene (DVB) and 4-vinyl-triphenylphosphine monomer in the nanopores of mesoporous silicas followed by coordination with Rh(acac)(CO)(2) (acac =acetylacetonate). These catalysts were characterized by XRD, N-2 sorption, TEM, FT-IR, and TG, and could efficiently catalyze the hydro-formylation of 1-octene with higher activity than a pure polymer catalyst because of their high surface area and large pore volume, which were beneficial for the exposure of active sites and mass transport. Through the control of pore size and pore connectivity by using different mesoporous silica (MCM-41, SBA-15, and FDU-12), the activity and selectivity can be controlled. Rh-PPh3-polymer@FDU-12 with a cage-like mesostrucuture showed lower activity but slightly higher selectivity than the catalyst with a 2-D hexagonal mesostructure (Rh-PPh3-polymer@SBA-15 or Rh-PPh3-polymer@MCM-41). By varying the polymer content in the nanopores of the mesosilica, the activity and selectivity (92%-96%) can also be tuned. The solid composite catalyst can be recycled without loss of activity, but a decrease in selectivity was observed. (C) 2015, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词[WOS]: HIGHLY SELECTIVE HYDROFORMYLATION ;  MESOPOROUS SILICA ;  PERFORMANCE ;  COMPLEX ;  ALKENES
语种: 英语
WOS记录号: WOS:000349202600006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145986
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, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Zhang, Xiaoming,Lu, Shengmei,Zhong, Mingmei,et al. Rh-PPh3-polymer@mesosilica composite catalyst for the hydroformylation of 1-octene[J]. CHINESE JOURNAL OF CATALYSIS,2015,36(2):168-174.
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