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

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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Veröffentlicht in:ACS catalysis 2015-02, Vol.5 (2), p.631-636
Hauptverfasser: Chen, Zhou, Mesgar, Milad, White, Peter S, Daugulis, Olafs, Brookhart, Maurice
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container_title ACS catalysis
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creator Chen, Zhou
Mesgar, Milad
White, Peter S
Daugulis, Olafs
Brookhart, Maurice
description 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.
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