Publikation:

Water-Soluble Salicylaldiminato Ni (II)-Methyl Complexes : Enhanced Dissociative Activation for Ethylene Polymerization with Unprecedented Nanoparticle Formation

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Supporting_information_Water_Soluble_Salicylaldiminato_Ni.pdf
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2006

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-65883
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https://doi.org/10.1021/ja0619962
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Journal of the American Chemical Society. 2006, 128(24), pp. 7708-7709. ISSN 0002-7863. eISSN 1520-5126. Available under: doi: 10.1021/ja0619962

Zusammenfassung

Water-soluble single-component (kappa2-N,O)-salicylaldiminato nickel-methyl complexes 1-4-L (L = TPPTS, TPPDS, H2N-PEG-OMe) allow for the catalytic polymerization of ethylene under organic solvent-free aqueous conditions producing high molecular weight polyethylene with particle sizes below 10 nm. Amphiphilic TPPDS- and H2N-PEG-OMe complexes exhibit a polymerization activity in water higher than that in toluene. A solvation-favored activation of precatalysts 1-4-L by equilibrium dissociation of L in aqueous solution likely accounts for this enhanced polymerization activity. The observed generation of a given particle by a single active site is an unprecedented mechanism for formation of aqueous particle dispersions.

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540 Chemie

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ISO 690GÖTTKER-SCHNETMANN, Inigo, Brigitte KORTHALS, Stefan MECKING, 2006. Water-Soluble Salicylaldiminato Ni (II)-Methyl Complexes : Enhanced Dissociative Activation for Ethylene Polymerization with Unprecedented Nanoparticle Formation. In: Journal of the American Chemical Society. 2006, 128(24), pp. 7708-7709. ISSN 0002-7863. eISSN 1520-5126. Available under: doi: 10.1021/ja0619962
BibTex
@article{GottkerSchnetmann2006Water-9845,
  year={2006},
  doi={10.1021/ja0619962},
  title={Water-Soluble Salicylaldiminato Ni (II)-Methyl Complexes : Enhanced Dissociative Activation for Ethylene Polymerization with Unprecedented Nanoparticle Formation},
  number={24},
  volume={128},
  issn={0002-7863},
  journal={Journal of the American Chemical Society},
  pages={7708--7709},
  author={Göttker-Schnetmann, Inigo and Korthals, Brigitte and Mecking, Stefan}
}
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