HYDROCARBYL-MODIFIED METHYLALUMINOXANE COCATALYST FOR CONSTRAINED GEOMETRY PROCATALYSTS
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United States of America Patent
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Aug 31, 2023
app pub date -
Feb 5, 2021
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Jul 17, 2020
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Abstract
Processes of polymerizing olefin monomers. The process includes reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: hydrocarbyl-modified methylaluminoxane having less than 25 mole percent trihydrocarbyl aluminum compounds AlRA1RB1RC1 based on the total moles of aluminum, where RA1, RB1, and RC1 are independently linear (C1-C40)alkyl, branched (C1-C40)alkyl, or (C6-C40)aryl; and one or more procatalysts comprising a metal-ligand complex according to formula (I): (Formula (I)).
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