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IlKim,Jae-SungKim,ByeongHeuiHan,Chang-SikHa 한국고분자학회 2003 Macromolecular Research Vol.11 No.6
In the solution polymerizations of methyl methacrylate with (α-diimine)nickel(II)/methylaluminoxane (MAO), we observed effects of the position of two methyl substituents in the ligand on both the activities of the catalysts and the polymer microstructure. α-Diimine nickel(II) catalysts gave syndiotactic-rich poly(methyl methacrylate) with high molecular weight and narrow molecular weight distribution.