Novel Olefin Polymerization Pre-Catalyst Bearing an Inversely-Polarized Phosphaalkene Ethenolate Monoanionic Bidentate Ligand and its Polymerization Studies

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dc.contributor.advisorLavoie, Gino G.
dc.contributor.authorRodriguez Villanueva, Juan Enrique
dc.date.accessioned2020-05-11T12:46:13Z
dc.date.available2020-05-11T12:46:13Z
dc.date.copyright2019-09
dc.date.issued2020-05-11
dc.date.updated2020-05-11T12:46:13Z
dc.degree.disciplineChemistry
dc.degree.levelMaster's
dc.degree.nameMSc - Master of Science
dc.description.abstractThe synthesis and structure elucidation of the first monoanionic bidentate ligand bearing an inversely-polarized phosphaalkene, its precursors and the first titanium complex bearing such ligand are herein reported. Single-crystal X-ray studies of the titanium complex confirmed the coordination of the bidentate ligand using the phosphaalkene phosphorus and ethenolate oxygen atoms with a strong evidence that there is charge delocalization through the metallocycle and the imidazole ring. The thermal stability of the phosphaalkeneethenolate ligand and the titanium complex at high temperature is reported. The new titanium complex displayed an activity for ethylene polymerization up to 9.2 kg PE mol cat1 h1. The polyethylene produced was linear with a low degree of branching, an average molecular weight of ~ 6000 g mol1 and a Tm of 130.0 C.
dc.identifier.urihttps://hdl.handle.net/10315/37413
dc.languageen
dc.rightsAuthor owns copyright, except where explicitly noted. Please contact the author directly with licensing requests.
dc.subjectInorganic chemistry
dc.subject.keywordsInversely-polarized phosphaalkene
dc.subject.keywordsPhosphaalkene
dc.subject.keywordsBidentate ligand
dc.subject.keywordsEthylene polymerization
dc.subject.keywordsPhosphorus
dc.subject.keywordsMonoanionic ligand
dc.subject.keywordsPhosphorus based ligand
dc.subject.keywordsCatalyst
dc.titleNovel Olefin Polymerization Pre-Catalyst Bearing an Inversely-Polarized Phosphaalkene Ethenolate Monoanionic Bidentate Ligand and its Polymerization Studies
dc.typeElectronic Thesis or Dissertation

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