Synthesis of Branched Ultrahigh-Molecular-Weight Polyethylene Using Highly Active Neutral, Single-Component Ni(II) Catalysts

Neutral nickel methyl complexes incorporating 2,8-diarylnaphthyl groups have been synthesized and characterized. Salicylaldiminato nickel systems 1a,b are exceptionally active neutral nickel single component catalysts for the polymerization of ethylene capable of producing lightly branched ultrahigh...

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Bibliographic Details
Published in:ACS catalysis 2015-02, Vol.5 (2), p.631-636
Main Authors: Chen, Zhou, Mesgar, Milad, White, Peter S, Daugulis, Olafs, Brookhart, Maurice
Format: Article
Language:English
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Summary:Neutral nickel methyl complexes incorporating 2,8-diarylnaphthyl groups have been synthesized and characterized. Salicylaldiminato nickel systems 1a,b are exceptionally active neutral nickel single component catalysts for the polymerization of ethylene capable of producing lightly branched ultrahigh-molecular-weight polyethylene (UHMWPE). In addition, complex 1a shows a “quasi-living” polymerization behavior.
ISSN:2155-5435
2155-5435
DOI:10.1021/cs501948d