Premium
Ethylene Polymerization Studies with an MAO Synthesized by a Non‐Hydrolytic Synthetic Route
Author(s) -
Radhakrishnan Karunakaran,
Cramail Henri,
Deffieux Alain,
François Philippe,
Momtaz Ardéchir
Publication year - 2002
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/1521-3927(20021001)23:14<829::aid-marc829>3.0.co;2-5
Subject(s) - methylaluminoxane , benzophenone , polymerization , polymer chemistry , ethylene , catalysis , materials science , chemistry , molar mass distribution , metallocene , organic chemistry , polymer
A facile nonaqueous synthetic route to methylaluminoxane (MAO) by heating a mixture of benzophenone and trimethylaluminium (TMA) is described. The MAO prepared such reveals to be an efficient activator of metallocenes and late transition metal complexes for ethylene polymerization. The [TMA]/[benzophenone] ratio used for the preparation of MAO is shown to have a dramatic effect on the catalytic activity as well as the molecular weight distribution of the resulting polyethylenes.