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Nona Ghasemi Hamedani, Hassan Arabi, Gholam Hossein Zohuri, Francis S. Mair and Andrew Jolleys Synthesis and structural characterization of a nickel(II) precatalyst bearing a β-triketimine ligand and study of its ethylene polymerization performance using response surface methods Journal of Polymer Science Part A: Polymer Chemistry 51

Version of Record online: 5 JAN 2013 | DOI: 10.1002/pola.26522

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In this contribution, the synthesis of a β-triketimine ligand ({2,4,6-CH3C6H2NC(CH3)}3CH) and its Ni complex has been reported as a catalyst precursor for ethylene polymerization. Response surface method (RSM) has been applied successfully for investigation of operational conditions; it provides predictive models for activity, weight-average molecular weight (Mw), and crystallinity with adequate goodness-of-fit. It also provides operational conditions for reaching user-defined values of activity, Mw, and crystallinity. The resultant activities challenge the best achieved with nickel bearing β-diimine-derived ligands.

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