Article (Scientific journals)
Simultaneous synthesis and chemical functionalization of emulsion-templated porous polymers using nitroxide-terminated macromolecular surfactants
Mathieu, Kevin; De Winter, Julien; Jérôme, Christine et al.
2017In Polymer Chemistry, 8 (11), p. 1850-1861
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Keywords :
foam
Abstract :
[en] The design of functional 3D macroporous monoliths has become a necessity for a wide range of applications. Traditional post-modification strategies of porous materials are efficient but often consist in tedious multi-steps processes. This work describes a straightforward macromolecular surfactant-assisted method for producing chemically functionalized macroporous polyHIPEs with interconnected structures. Accordingly, high internal phase emulsion-templated polymerizations were implemented in the presence of SG1-terminated amphiphilic copolymers prepared by nitroxide- mediated radical polymerization (NMP). The latter served as both stabilizers and functionalizing agents upon thermal activation of its terminal alkoxyamine and covalent anchoring of the released radical copolymer onto the walls of the scaffold. The effect of the polymerization temperature on the functionalization and openness of the final porous materials was explored. As a result, a range of open-cell styrene and acrylate-based polyHIPEs chemically grafted with PEO were obtained. Moreover, polyHIPEs were also decorated with alkyne-bearing PEO and subsequently modified via CuAAc click chemistry in order to demonstrate the potential of this macromolecular surfactants-assisted functionalization method.
Research center :
Center for Education and Research on Macromolecules (CERM)
CESAM Complex and Entangled Systems from Atoms to Materials (CESAM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Mathieu, Kevin ;  University of Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM)
De Winter, Julien;  University of Mons (UMONS), Organic Synthesis and Mass Spectrometry Laboratory
Jérôme, Christine  ;  University of Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM)
Debuigne, Antoine  ;  University of Liège - ULiège > Complex and Entangled Systems from Atoms to Materials (CESAM), Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Simultaneous synthesis and chemical functionalization of emulsion-templated porous polymers using nitroxide-terminated macromolecular surfactants
Publication date :
21 March 2017
Journal title :
Polymer Chemistry
ISSN :
1759-9954
eISSN :
1759-9962
Publisher :
Royal Society Chemistry, Cambridge, United Kingdom
Volume :
8
Issue :
11
Pages :
1850-1861
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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