[en] In this communication we report the first homopolymerization of a variety of methacrylates by an NMP process at moderate temperature (40–50 °C), using an easily accessible and inexpensive nitroxide precursor. The combination of a low temperature azo-initiator with a hindered nitroso-compound produces a mixture of hindered nitroxides in the polymerization medium that act as efficient polymerization control agents. Results of Electron Spin Resonance (ESR) spectroscopy experiments combined with mass spectrometric studies support the proposed in situ NMP mechanism. The hindered structure of the nitroxides formed in situ is believed to be responsible for the efficiency of the process by allowing it to proceed at low temperature, therefore limiting the side reactions generally observed in NMP of methacrylates.
Research Center/Unit :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering Chemistry
Author, co-author :
Detrembleur, Christophe ; 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)
De Winter, Julien; University of Mons (UMONS), Belgium, Materia Nova, Service de Chimie des Matériaux Nouveaux
Gerbaux, Pascal; University of Mons (UMONS), Belgium, Materia Nova, Service de Chimie des Matériaux Nouveaux
Clément, Jean-Louis; University of Aix-Marseille, France, CNRS, Institut de Chimie Radicalaire
Guillaneuf, Yohann; University of Aix-Marseille, France, CNRS, Institut de Chimie Radicalaire
Gigmes, Didier; University of Aix-Marseille, France, CNRS, Institut de Chimie Radicalaire
Language :
English
Title :
Nitroxide mediated polymerization of methacrylates at moderate temperature
Publication date :
2014
Journal title :
Polymer Chemistry
ISSN :
1759-9954
eISSN :
1759-9962
Publisher :
Royal Society Chemistry, Cambridge, United Kingdom
Volume :
5
Issue :
2
Pages :
335-340
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE] BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique
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