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题名: Synthesis of Novel Dendritic Bridging Nickel Complex for Oligomerization of Olefins
作者: Wang Jun1;  Huo Hongliang1;  Li Cuiqin1;  Ma Lili1;  Shi Weiguang1;  Chen Shuai2
关键词: Dendrimer ;  Bridging nickel complex ;  Ethylene oligomerization ;  1-Pentene oligomerization
刊名: CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
发表日期: 2015-09-10
DOI: 10.7503/cjcu20150385
卷: 36, 期:9, 页:1813-1818
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A novel N,N-bidentate dendritic bridging pyridine-imine ligand and its nickel complex were prepared and characterized by elemental analysis, Fourier transform infrared spectrometry (FTIR) and electrospray ionization-mass spectrometry(ESI-MS). The dendritic nickel complex was used as a precatalyst in the oligomerization of ethylene with the co-catalyst ethyl dichloroaluminum(EtAlCl2), as well as a precursor in the oligomerization of 1-pentene. The effects of the reaction time, reaction pressure and the molar ratio of Al/Ni on the catalytic activities and the distribution of the product in the oligomerization were investigated. The dendritic nickel complex revealed the selectivity of higher olefins(C-10-C-14) reached up to 93% and the catalytic activity was 0.99x10(6) g/(mol Ni.h) at the reaction time of 60 min, ethylene pressure of 0.5 MPa and the molar ratio of Al/Ni of 150 in the oligometization of ethylene. At the reaction time of 60 min and the molar ratio of Al/Ni of 300, the catalyst also had excellent catalytic performance in the oligomerization of 1-pentene. The selectivity of C-20 reached to 70.5% and the catalytic activity was 2.47x10(5) g/(mol Ni.h). The dendritic nickel complex exhibited good catalytic activities and selectivities for higher carbon number olefins in ethylene oligomerization and 1-pentene oligomerization.
关键词[WOS]: ETHYLENE OLIGOMERIZATION ;  CATALYTIC-ACTIVITIES ;  NI(II) COMPLEXES ;  SCHIFF-BASE ;  POLYMERIZATION ;  DENDRIMERS ;  PERFORMANCE ;  CU2+
语种: 英语
WOS记录号: WOS:000361926800025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146578
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.Northeast Petr Univ, Prov Key Lab Oil & Gas Chem Technol, Daqing 163318, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Wang Jun,Huo Hongliang,Li Cuiqin,et al. Synthesis of Novel Dendritic Bridging Nickel Complex for Oligomerization of Olefins[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2015,36(9):1813-1818.
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