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As metallocene olefin polymerization catalysts,unbridged metallocenecomplexeshave re-ceived much attention because they are relatively easy to be synthesized and can produce notonly polyethylene butalso oligo-or polypropylenes with differentstereoregulari
As metallocene olefin polymerization catalysts, unbridged metallocene complexplexeshave re-ceived much attention because they are relatively easy to be synthesized and can not not only polyethylene butalso oligo-or polypropylenes with differentstereoregulari