作者: Kevin Joseph Cann , Robert James Jorgensen , Arthur Ernest Marcinkowsky , Frederick John Karol , Norma Jean Maraschin
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摘要: An ethylene polymerization catalyst comprising a supported precursor of vanadium trihalide/electron donor complex and alkylaluminum or boron halides, when combined with cocatalyst alkyl halide promoter, provides enhanced productivity plus superior polyethylene.