Selective Oligomerization of Ethylene Catalyzed by Nickel Complex
α-olefin is a kind of important chemical raw material which can be used in the production of polyolefin,synthetic lubricating oil,surfactant and other products,and is mainly produced by ethylene oligomerization process.The catalyst plays an important role in the oligomerization of ethylene.In the study of this kind of catalyst,some nickel complex catalysts have been paid more attention because of their excellent catalytic performance,good development and application prospects.In this paper,the development of ethylene oligomerization catalyzed with nickel-based ligands such as monodentate ligands,bidentate ligands,multi-dentate ligands and the product selectivity was introduced.The breakthrough and research achievements of nickel-based catalysts in recent years were reviewed,and the future research direction in this field was prospected.
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