@article{Lin2021-12-15Livin-55985,
  year={2021},
  doi={10.1021/jacs.1c10488},
  title={Living Aqueous Microemulsion Polymerization of Ethylene with Robust Ni(II) Phosphinophenolato Catalysts},
  number={49},
  volume={143},
  issn={0002-7863},
  journal={Journal of the American Chemical Society},
  pages={20605--20608},
  author={Lin, Fei and Morgen, Tobias O. and Mecking, Stefan}
}

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    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2021-12-22T10:26:55Z</dc:date>
    <dc:contributor>Morgen, Tobias O.</dc:contributor>
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    <dcterms:title>Living Aqueous Microemulsion Polymerization of Ethylene with Robust Ni(II) Phosphinophenolato Catalysts</dcterms:title>
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    <dcterms:issued>2021-12-15</dcterms:issued>
    <dc:creator>Lin, Fei</dc:creator>
    <dc:creator>Morgen, Tobias O.</dc:creator>
    <dc:contributor>Lin, Fei</dc:contributor>
    <dcterms:abstract xml:lang="eng">Due to chain transfer events being competitive with chain growth, ethylene polymerization by P,O-chelated Ni(II) complexes usually affords low molecular weight polymers or oligomers. We now show that appropriately bulky substituted phosphinophenolato Ni(II) can polymerize in a living fashion, virtually devoid of chain transfer. Aqueous polymerizations with microemulsions of [κ&lt;sup&gt;2&lt;/sup&gt;-P,O-2-(2-(2',6'-(MeO)&lt;sub&gt;2&lt;/sub&gt;C&lt;sub&gt;6&lt;/sub&gt;H&lt;sub&gt;3&lt;/sub&gt;)C6H4)(Ph)P-6-(3',5'-(CF&lt;sub&gt;3&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;C&lt;sub&gt;6&lt;/sub&gt;H&lt;sub&gt;3&lt;/sub&gt;)C&lt;sub&gt;6&lt;/sub&gt;H&lt;sub&gt;3&lt;/sub&gt;O-NiMe(pyridine)] (3) at 30 °C yield polyethylenes with narrow molecular weight distributions (M&lt;sub&gt;w&lt;/sub&gt;/M&lt;sub&gt;n&lt;/sub&gt; 1.02 to 1.34) and ultrahigh molecular weights (up to 2 × 10&lt;sup&gt;6&lt;/sup&gt;) in the form of aqueous nanoparticle dispersions. Catalyst stability and activity are maintained up to 70 °C in water.</dcterms:abstract>
    <dc:contributor>Mecking, Stefan</dc:contributor>
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