Article (Scientific journals)
Synthesis of poly(vinyl acetate)-b-polystyrene and poly(vinyl alcohol)-b-polystyrene copolymers by cobalt-mediated radical polymerization
Bryaskova, Rayna; Willet, Nicolas; Debuigne, Antoine et al.
2007In Journal of Polymer Science. Part A, Polymer Chemistry, 45 (1), p. 81-89
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Keywords :
radical polymerization; cobalt-mediated radical polymerization (CMRP); block copolymers
Abstract :
[en] Well-defined poly(vinyl acetate) macroinitiators, with the chains thus end-capped by a cobalt complex, were synthesized by cobalt-mediated radical polymerization and used to initiate styrene polymerization at 30 degrees C. Although the polymerization of the second block was not controlled, poly(vinyl acetate)-b-polystyrene copolymers were successfully prepared and converted into amphiphilic poly(vinyl alcohol)-b-polystyrene copolymers by the methanolysis of the ester functions of the poly(vinyl acetate) block. These poly(vinyl alcohol)-b-polystyrene copolymers self-associated in water with the formation of nanocups, at least when the poly(vinyl alcohol) content was low enough.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemistry
Materials science & engineering
Author, co-author :
Bryaskova, Rayna ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Willet, Nicolas ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Debuigne, Antoine  ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Detrembleur, Christophe ;  Université de Liège - ULiège > Depmartment of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Synthesis of poly(vinyl acetate)-b-polystyrene and poly(vinyl alcohol)-b-polystyrene copolymers by cobalt-mediated radical polymerization
Publication date :
01 January 2007
Journal title :
Journal of Polymer Science. Part A, Polymer Chemistry
ISSN :
0887-624X
eISSN :
1099-0518
Publisher :
Wiley, Hoboken, United States - New Jersey
Volume :
45
Issue :
1
Pages :
81-89
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]
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