Journal
NATURE CHEMISTRY
Volume 6, Issue 3, Pages 179-187Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/NCHEM.1850
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Funding
- Fonds National de la Recherche Scientifique (FRS-FNRS) [PAI VI/27]
- Belgian Science Policy [PAI VI/27]
- University of Liege via the Fonds Speciaux pour la Recherche - Credits de Demarrage
- FRS-FNRS
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The copolymerization of ethylene with polar monomers is a major challenge when it comes to the manufacture of materials with potential for a wide range of commercial applications. In the chemical industry, free-radical polymerization is used to make a large proportion of such copolymers, but the forcing conditions result in a lack of fine control over the architecture of the products. Herein we introduce a synthetic tool, effective under mild experimental conditions, for the precision design of unprecedented ethylene- and polar-monomer-based copolymers. We demonstrate how an organocobalt species can control the growth of the copolymer chains, their composition and the monomer distribution throughout the chain. By fine tuning the ethylene pressure during polymerization and by exploiting a unique reactive mode of the end of the organometallic chain, novel block-like copolymer structures can be prepared. This highly versatile synthetic platform provides access to a diverse range of polymer materials.
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