Article (Scientific journals)
Precision design of vinyl amine and vinyl alcohol-based copolymers via cobalt-mediated radical polymerization
Stiernet, Pierre; Jérôme, Christine; Debuigne, Antoine
2019In Polymer Chemistry, 10 (23), p. 3055-3065
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Keywords :
radical polymerization; cobalt-mediated radical polymerization (CMRP); vinyl acetate; vinyl acetamide
Abstract :
[en] Poly(vinyl alcohol) (PVA) and poly(vinyl amine) (PVAm) are major industrial polymers involved in countless applications taking advantage of their ability to establish hydrogen bonds and, for the latter, to create charges along the polymer’s backbone upon protonation. Although combining vinyl alcohol and vinyl amine units in specific proportions within copolymers should allow precise tuning of their properties and enlarge the scope of their use, the controlled synthesis of poly(VAm-co-VA)s has been completely dis- regarded so far. In this context, we report a straightforward strategy for preparing the aforementioned copolymers via cobalt-mediated radical copolymerization of vinyl acetate (VAc) and vinyl acetamide (NVA) followed by hydrolysis. Copolymerization conditions were optimized to produce poly(NVA-co-VAc) with predictable molar mass, low dispersity and precise composition. Reactivity ratios were also determined to gain insight into the distribution of the amine and alcohol moieties along the backbone. Depending on the hydrolysis treatment applied to poly(NVA-co-VAc), unprecedented well-defined poly(VAm-co-VA)s and poly(NVA-co-VA)s were achieved via full deprotection of the precursor and selective hydrolysis of its esters, respectively.
Research center :
CESAM - Complex and Entangled Systems from Atoms to Materials - ULiège
Center for Education and Research on Macromolecules (CERM), Belgium
Disciplines :
Chemistry
Materials science & engineering
Author, co-author :
Stiernet, Pierre  ;  University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM), Belgium
Jérôme, Christine  ;  University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM), Belgium
Debuigne, Antoine  ;  University of Liège (ULiège), Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM), Belgium
Language :
English
Title :
Precision design of vinyl amine and vinyl alcohol-based copolymers via cobalt-mediated radical polymerization
Publication date :
21 June 2019
Journal title :
Polymer Chemistry
ISSN :
1759-9954
eISSN :
1759-9962
Publisher :
Royal Society of Chemistry, United Kingdom
Volume :
10
Issue :
23
Pages :
3055-3065
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
FWB - Fédération Wallonie-Bruxelles [BE]
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
Available on ORBi :
since 20 March 2019

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