Article (Scientific journals)
Improved photo-induced cobalt-mediated radical polymerization in continuous flow photoreactors
Kermagoret, Anthony; Wenn, Benjamin; Debuigne, Antoine et al.
2015In Polymer Chemistry, 6, p. 3847-3857
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Keywords :
radical polymerization; cobalt-mediated radical polymerization (CMRP)
Abstract :
[en] The implementation of cobalt-mediated radical polymerization (CMRP) for continuous microreactor synthesis is described. We demonstrate how the utilization of flow photoreactors allows the speed up of the polymerization of vinyl acetate (VAc) under UV irradiation without loss of polymerization control. Microfluidics under UV irradiation has also been successfully implemented for the copolymerization of VAc with a less reactive olefin 1-octene (1-Oct). Reactivity ratios were deduced for this copolymerization system, and poly(VAc-co-1-Oct) copolymers containing up to 50 mol% of 1-Oct were synthesized. To the best of our knowledge, this is the first report on a photopolymerization where continuous flow techniques not only led to an improvement of reaction rates and dispersity, but also led to the avoidance of significant side-products that were observed in batch processing
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Kermagoret, Anthony;  University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Wenn, Benjamin;  University of Hasselt, Institute for Materials Research (IMO), Polymer Reaction Design Group
Debuigne, Antoine  ;  University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Christine  ;  University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Junkers, Thomas;  University of Hasselt, Institute for Materials Research (IMO), Polymer Reaction Design Group > IMEC Associated Lab IMOMEC, Diepenbeek
Detrembleur, Christophe ;  University of Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Improved photo-induced cobalt-mediated radical polymerization in continuous flow photoreactors
Publication date :
2015
Journal title :
Polymer Chemistry
ISSN :
1759-9954
eISSN :
1759-9962
Publisher :
Royal Society Chemistry, Cambridge, United Kingdom
Volume :
6
Pages :
3847-3857
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
FWO - Fonds Wetenschappelijk Onderzoek Vlaanderen [BE]
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