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Synthesis, structure and polymerization behavior of tri- and dichloroaminopyridinato complexes of titanium
Authors:Markku Talja  Martti Klinga  Mika Polamo  Erkki Aitola  Markku Leskelä
Institution:Laboratory of Inorganic Chemistry, Department of Chemistry, University of Helsinki, P. O. Box 55, A.I.V-aukio 1, Helsinki, FIN-00014, Finland
Abstract:Three 2-phenylaminopyridine (Ap) complexes of types ApTiCl3 and Ap2TiCl2 were characterized with X-ray diffraction. The complexes were studied as polymerization catalysts using MAO as cocatalyst. In ethylene polymerization, the catalysts showed moderate activities between 65 and 285 kg PE mol−1 Ti−1 h−1 and the molecular weight distributions were between 2.5 and 4.2, and the molar masses were between 135 000 and 804 000 kg/mol.
Keywords:Crystal structures  Titanium  Aminopyridine  Amidopyridine  Aminopyridinato  Polyethylene
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