Reference : Thermoreversibly crosslinked poly(ε-caprolactone) as recyclable shape-memory polymer net...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/93713
Thermoreversibly crosslinked poly(ε-caprolactone) as recyclable shape-memory polymer network
English
Defize, Thomas [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Riva, Raphaël [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Raquez, Jean-Marie [University of Mons (UMons) > > Center of Innovation and Research in Materials and Polymers (CIRMAP), Laboratory of Polymeric and Composite Materials (LPMC) > >]
Dubois, Philippe [University of Mons (UMons) > > Center of Innovation and Research in Materials and Polymers (CIRMAP), Laboratory of Polymeric and Composite Materials (LPMC) > >]
Jérôme, Christine mailto [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Alexandre, Michaël mailto [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
17-Aug-2011
Macromolecular Rapid Communications
Wiley
32
16
1264-1269
Yes (verified by ORBi)
International
1022-1336
1521-3927
Weinheim
Germany
[en] network ; Diels-Alder reaction ; shape-memory ; stimuli-responsive network ; shape-memory
[en] A new concept to build shape memory polymers (SMP) combining outstanding fixity and recovery ratios (both above 99% after only one training cycle) typical of chemically crosslinked SMPs with reprocessability restricted to physically crosslinked SMPs is demonstrated by covalently bonding, through thermoreversible Diels–Alder (DA) adducts, star-shaped poly(epsilon-caprolactones) (PCL) end-functionalized by furan and maleimide moieties. A PCL network is easily prepared by melt-blending complementary end-functional star polymers in retro DA regime, then by curing at lower temperature to favour the DA cycloaddition. Such covalent network can be reprocessed when heated again at the retro DA temperature. The resulting SMP shows still excellent shape memory properties attesting for its good recyclability.
Center for Education and Research on Macromolecules (CERM)
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; Politique Scientifique Fédérale (Belgique) = Belgian Federal Science Policy ; The European Community (FEDER, FSE) in the frame of ‘‘Pôle d’Excellence Materia Nova’’
Researchers
http://hdl.handle.net/2268/93713
10.1002/marc.201100250
http://onlinelibrary.wiley.com/doi/10.1002/marc.201100250/pdf

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