2-Benzoimidazol-8-alkylquinolinylnickel(II) complexes as efficient catalysts for ethylene oligomerization and vinyl polymerization of norbornene
A series of nickel complexes LNiCl2 (C1–C16), where L represents 2-benzoimidazol-8-alkylquinoline and its derivatives, were prepared as potential catalysts for the oligomerization of ethylene. The molecular structure of a representative complex
C2·CH3CH2OH was determined by single-crystal X-ray diffraction. Upon treatment with diethylaluminium chloride (Et2AlCl), all nickel complex pre-catalysts exhibited good activities in the oligomerization of ethylene. Furthermore, in the presence
of methylaluminoxane (MAO), the nickel pre-catalysts were suitable for vinyl polymerization of norbornene.
Keywords: 2-Benzoimidazol-8-alkylquinoline; Ethylene oligomerization; Nickel complex; Norbornene polymerization
Document Type: Research Article
Affiliations: 1: School of Materials and Metallurgy, Northeastern University, Shenyang, PR China 2: Hebei Provincal Laboratory for Dielectric and Electrolyte Materials, Northeastern University at Qinhuangdao, Qinhuangdao, PR China
Publication date: 02 November 2015
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