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Title: | Improved photo-induced cobalt-mediated radical polymerization in continuous flow photoreactors | Authors: | Kermagoret, Anthony WENN, Benjamin Debuigne, Antoine Jerome, Christine JUNKERS, Tanja Detrembleur, Christophe |
Issue Date: | 2015 | Publisher: | ROYAL SOC CHEMISTRY | Source: | Polymer Chemistry, 6 (20), p. 3847-3857 | Abstract: | 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. | Notes: | [Kermagoret, Anthony; Debuigne, Antoine; Jerome, Christine; Detrembleur, Christophe] Univ Liege ULg, Dept Chem, Ctr Educ & Res Macromol, B-4000 Liege, Belgium. [Wenn, Benjamin; Junkers, Thomas] Univ Hasselt, Inst Mat Res IMO, Polymer React Design Grp, B-3500 Hasselt, Belgium. [Junkers, Thomas] IMEC, Associated Lab IMOMEC, B-3590 Diepenbeek, Belgium. | Document URI: | http://hdl.handle.net/1942/18991 | ISSN: | 1759-9954 | e-ISSN: | 1759-9962 | DOI: | 10.1039/c5py00299k | ISI #: | 000354410300013 | Rights: | This journal is © The Royal Society of Chemistry 2015 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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