Qi Song Shi
Halonickel 2,4-di-t-butyl-6-(quinolin-8-yliminomethyl)phenolates: Synthesis, characterization and ethylene reactivity
Shi, Qi Song; Hao, Xiang; Redshaw, Carl; Sun, Wen Hua
Authors
Xiang Hao
Professor Carl Redshaw C.Redshaw@hull.ac.uk
Professor of Inorganic Materials Chemistry and REF Lead for Chemistry
Wen Hua Sun
Abstract
A series of nickel halides bearing 2,4-di-t-butyl-6-(quinolin-8- yliminomethyl) phenolate ligands was synthesized and characterized by IR spectroscopy and elemental analysis. Molecular structures of C1 (R = H, X = Br) and C2 (R = H, X = Cl) were further confirmed by single-crystal X-ray crystallographic studies, and revealed a distorted square planar geometry at nickel. Upon activation with diethylaluminum chloride (Et2AlCl), all nickel pre-catalysts displayed good catalytic activity [up to 9.3 × 105 g mol-1 (Ni) h-1] for ethylene oligomerization with major dimerization. In the presence of methylaluminoxane (MAO), the nickel complex C1 was capable of ethylene polymerization under 3 MPa, and produced polyethylene products with narrow polydispersity (1.16-1.73) and molecular weights in the range of 2.6-4.95 kg/mol. © 2013 Chinese Chemical Society, Institute of Chemistry, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg.
Citation
Shi, Q. S., Hao, X., Redshaw, C., & Sun, W. H. (2013). Halonickel 2,4-di-t-butyl-6-(quinolin-8-yliminomethyl)phenolates: Synthesis, characterization and ethylene reactivity. Chinese Journal of Polymer Science, 31(5), 769-777. https://doi.org/10.1007/s10118-013-1266-z
Journal Article Type | Article |
---|---|
Publication Date | May 1, 2013 |
Deposit Date | Jun 8, 2022 |
Journal | Chinese Journal of Polymer Science (English Edition) |
Print ISSN | 0256-7679 |
Electronic ISSN | 1793-7043 |
Publisher | World Scientific Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 31 |
Issue | 5 |
Pages | 769-777 |
DOI | https://doi.org/10.1007/s10118-013-1266-z |
Public URL | https://hull-repository.worktribe.com/output/3622008 |
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