HALONICKEL 2,4-DI-t-BUTYL-6-(QUINOLIN-8-YLIMINOMETHYL)PHENOLATES:SYNTHESIS,CHARACTERIZATION AND ETHYLENE REACTIVITY

查看全文 作　　者：Qi-song [1,2]Shi;Xiang [2]Hao;Carl [3]Redshaw;[2]孙文华

机构地区：[1]College of Materials Science and Engineering,Beijing Institute of Petrochemical Technology;[2]Key Laboratory of Engineering Plastics and Beijing National Laboratory for Molecular Sciences,Institute of Chemistry,Chinese Academy of Sciences;[3]Department of Chemistry,University of Hull

出　　处：《Chinese Journal of Polymer Science》索引2013年第31卷第5期,共9页

基　　金：financially supported by NSFC(No.20911130359) 摘　　要：A series of nickel halides bearing 2,4-di-t-butyl-6-(quinolin-8-yliminomethyl) phenolate ligands was synthesized and characterized by IR spectroscopy and elemental analysis.Molecular structures of C1(R = H,X = Br) and C2(R = H,X = Cl) were further confirmed by single-crystal X-ray crystallographic studies,and revealed a distorted square planar geometry at nickel.Upon activation with diethylaluminum chloride(Et 2 AlCl),all nickel pre-catalysts displayed good catalytic activity [up to 9.3 × 10 5 g mol 1(Ni) h 1 ] for ethylene oligomerization with major dimerization.In the presence of methylaluminoxane(MAO),the nickel complex C1 was capable of ethylene polymerization under 3 MPa,and produced polyethylene products with narrow polydispersity(1.16 1.73) and molecular weights in the range of 2.6 4.95 kg/mol. 关键词：乙烯齐聚二叔丁基喹啉合成酚盐表征反应性 X-射线晶体学

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HALONICKEL 2,4-DI-t-BUTYL-6-(QUINOLIN-8-YLIMINOMETHYL)PHENOLATES:SYNTHESIS,CHARACTERIZATION AND ETHYLENE REACTIVITY

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