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

Kurzanzeige
dc.contributor.authorGöttker-Schnetmann, Inigo
dc.contributor.authorKorthals, Brigitte
dc.contributor.authorMecking, Stefan
dc.date.accessioned2011-03-24T18:14:49Zdeu
dc.date.issued2006deu
dc.description.abstractWater-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.
dc.description.versionpublished
dc.format.mimetypeapplication/pdfdeu
dc.identifier.citationFirst publ. in: Journal of the American Chemical Society ; 128 (2006), 24. - S. 7708-7709deu
dc.identifier.doi10.1021/ja0619962
dc.identifier.pmid16771463
dc.identifier.ppn28694510Xdeu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/9845
dc.language.isoengdeu
dc.legacy.dateIssued2008deu
dc.rightsAttribution-NonCommercial-NoDerivs 2.0 Generic
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.0/
dc.subject.ddc540deu
dc.titleWater-Soluble Salicylaldiminato Ni (II)-Methyl Complexes : Enhanced Dissociative Activation for Ethylene Polymerization with Unprecedented Nanoparticle Formationeng
dc.typeJOURNAL_ARTICLEdeu
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  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}
}
kops.citation.iso690GÖTTKER-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/ja0619962deu
kops.citation.iso690GÖTTKER-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/ja0619962eng
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