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Direct Synthesis of Imidazolium-Functional Polyethylene by Insertion Copolymerization

Direct Synthesis of Imidazolium-Functional Polyethylene by Insertion Copolymerization

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JIAN, Zhongbao, Hannes LEICHT, Stefan MECKING, 2016. Direct Synthesis of Imidazolium-Functional Polyethylene by Insertion Copolymerization. In: Macromolecular Rapid Communications. 37(11), pp. 934-938. ISSN 0173-2803. eISSN 1521-3927

@article{Jian2016Direc-34761, title={Direct Synthesis of Imidazolium-Functional Polyethylene by Insertion Copolymerization}, year={2016}, doi={10.1002/marc.201600073}, number={11}, volume={37}, issn={0173-2803}, journal={Macromolecular Rapid Communications}, pages={934--938}, author={Jian, Zhongbao and Leicht, Hannes 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/123456789/34761"> <dc:contributor>Leicht, Hannes</dc:contributor> <dc:language>eng</dc:language> <dc:contributor>Jian, Zhongbao</dc:contributor> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2016-07-13T08:33:17Z</dc:date> <dcterms:issued>2016</dcterms:issued> <dc:creator>Leicht, Hannes</dc:creator> <dc:creator>Mecking, Stefan</dc:creator> <dcterms:abstract xml:lang="eng">Cationic imidazolium-functionalized polyethylene is accessible by insertion copolymerization of ethylene and allyl imidazolium tetrafluoroborate (AIm-BF4 ) with phosphinesulfonato palladium(II) catalyst precursors. Imidazolium-substituted repeat units are incorporated into the main chain and the initiating saturated chain end of the linear polymers, rather than the terminating unsaturated chain end. The counterion of the allyl imidazolium monomer is decisive, with the chloride analogue (AIm-Cl) no polymerization is observed. Stoichiometric studies reveal the formation of an inactive chloride complex from the catalyst precursor. An effect of moderate densities (0.5 mol%) of ionic groups on the copolymers' physical properties is exemplified by an enhanced wetting by water.</dcterms:abstract> <bibo:uri rdf:resource="https://kops.uni-konstanz.de/handle/123456789/34761"/> <dc:creator>Jian, Zhongbao</dc:creator> <dcterms:title>Direct Synthesis of Imidazolium-Functional Polyethylene by Insertion Copolymerization</dcterms:title> <dc:contributor>Mecking, Stefan</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2016-07-13T08:33:17Z</dcterms:available> </rdf:Description> </rdf:RDF>

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