Publikation: Hydrophilic Catalysts with High Activity and Stability in Aqueous Polymerization to High Molecular Weight Polyethylene
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Water-soluble synthetic transition metal catalysts have been studied extensively for many reactions, but for olefin polymerization such catalysts have been lacking. We report here a straightforward synthesis of phosphinephenolate Ni(II) catalysts endowed permanently with a hydrophilic sulfonate moiety bound to the chelating ligand. These catalysts' hydrophilic active sites promote aqueous ethylene polymerization with high activity (TOF up to 6.3 × 10 4 mol Ethylene mol Ni -1 h -1 ) to high molecular weight polyethylene (HDPE), with half-lives on the order of hours also at elevated temperatures. The obtained polyethylene dispersions feature narrow particle size distributions without any aggregates.
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LIN, Fei, Stefan MECKING, 2022. Hydrophilic Catalysts with High Activity and Stability in Aqueous Polymerization to High Molecular Weight Polyethylene. In: Angewandte Chemie International Edition. Wiley. 2022, 61(27), e202203923. ISSN 1433-7851. eISSN 1521-3773. Available under: doi: 10.1002/anie.202203923BibTex
@article{Lin2022-07-04Hydro-57434, year={2022}, doi={10.1002/anie.202203923}, title={Hydrophilic Catalysts with High Activity and Stability in Aqueous Polymerization to High Molecular Weight Polyethylene}, number={27}, volume={61}, issn={1433-7851}, journal={Angewandte Chemie International Edition}, author={Lin, Fei and Mecking, Stefan}, note={Article Number: e202203923} }
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