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Novel iron-based complex and ace- tyl(imino)pyridine iron(II) chloride (1 and 2) have been successfully synthesized and characterized. The behavior of the complex/methylaluminoxane (MAO) for ethylene polymerization was investigated and compared with 2,6-Bis(imino)pyridyl iron(II) chloride (3 and 4)/MAO. The results show that the new ace- tyl(imino)pyridine iron(II) chloride/MAO catalytic sys- tems were highly active for ethylene polymerization. Polyethylene from those polymerization systems has a bimodal molecular weight distribution (MWD).
The behavior of the complex / methylaluminoxane (MAO) for ethylene polymerization was investigated and compared with 2, The results show that the new acetylene (IImino) pyridine iron (II) chloride / MAO catalytic sys- tems were highly active for ethylene polymerization Polyethylene from those polymerization systems has a bimodal molecular weight distribution (MWD).