Abstract
A novel nickel complex, bis(2-methyl-2,4-bis(2-pyridyl)-1H-1,5-benzodiazepine)nickel dichlo- ride, displayed good activity for oligomerization and polymerization of ethylene with the assistance of a co-catalyst, methylaluminoxane (MAO). The oligomers were mainly olefins from C4 to C10 ,w hile the highly branched polyethylene (PE) had molecular weights (Mw) in the range 19000-34000. Bimodal dis- tributions of the PE were clearly observed by both DSC and GPC measurements, while the spherulitic structure of the PE was shown in the morphology. 2004 Society of Chemical Industry
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