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Ethylene polymerization using butyl modified methylaluminoxane as cocatalyst

Wei Shao-yi, Xuerong Chen

Abstract

Ethylene polymerization using metallocene with butyl-modified methylaluminoxane(MMAO-Bu) or late transition metal complex with MMAO-Bu was studied.Effects of MMAO-Bu on cocatalytic activity of methylaluminoxane(MAO) was investigated along with the molecular weight of polyethylene and oligomer distribution respectively.Results showed that MMAO-Bu had high cocatalytic activity compared to MAO,and the presence of MMAO-Bu gave polyethylene broader molecular weight distribution and led to the formation of oligomers with higher molecular weight.

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Available abstract

Key concepts: Methylaluminoxane, Polymer chemistry, Ethylene, Molar mass distribution, Polyethylene, Polymerization, Metallocene, Chemistry