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Polymerization of Ethylene Catalyzed by New Titanium and Zirconium Complexes with Fluorinated beta-Imineenolato Ligands

Polymerization of Ethylene Catalyzed by New Titanium and Zirconium Complexes with Fluorinated beta-Imineenolato Ligands

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YU, Sze-Man, Stefan MECKING, 2008. Polymerization of Ethylene Catalyzed by New Titanium and Zirconium Complexes with Fluorinated beta-Imineenolato Ligands. In: Polymeric Materials : Science and Engineering. 98, pp. 885-886

@article{Yu2008Polym-9738, title={Polymerization of Ethylene Catalyzed by New Titanium and Zirconium Complexes with Fluorinated beta-Imineenolato Ligands}, year={2008}, volume={98}, journal={Polymeric Materials : Science and Engineering}, pages={885--886}, author={Yu, Sze-Man and Mecking, Stefan} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/9738"> <dcterms:abstract xml:lang="eng">Living olefin polymerization is of interest, for example, for the preparation of well-defined polyolefins with narrow molecular weight distribution, and for the preparation of block copolymers. A limited number of suitable polymerization catalysts is known to date. Fujita et al. have reported bis(phenoxyimine)titanium dichloro complexes with ortho-fluorinated N-aryl moieties to be versatile precursors to living olefin polymerization catalysts. The fluorine substituents are considered to suppress chain transfers by interaction with the β-hydrogen atoms of a growing polymer chain. In similar complexes with other N,O-chelating ligands, however, ortho-fluorinated substitution was found not to result in living polymerizations.4 This raises the question whether retardation of chain transfer by β-H-fluorine interactions is restricted in fact to phenoxyimine complexes, or represents a more general principle.</dcterms:abstract> <dc:format>application/pdf</dc:format> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dcterms:issued>2008</dcterms:issued> <dcterms:bibliographicCitation>First publ. in: Polymeric Materials : Science and Engineering ; 98 (2008). - S. 885-886</dcterms:bibliographicCitation> <dc:rights>deposit-license</dc:rights> <dc:contributor>Yu, Sze-Man</dc:contributor> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/9738"/> <dcterms:title>Polymerization of Ethylene Catalyzed by New Titanium and Zirconium Complexes with Fluorinated beta-Imineenolato Ligands</dcterms:title> <dc:contributor>Mecking, Stefan</dc:contributor> <dc:creator>Mecking, Stefan</dc:creator> <dc:language>eng</dc:language> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T18:14:03Z</dc:date> <dc:creator>Yu, Sze-Man</dc:creator> </rdf:Description> </rdf:RDF>

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