Reference : Controlled radical polymerization of N-Vinylphthalimide using carboxyl-terminated trithi...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/64028
Controlled radical polymerization of N-Vinylphthalimide using carboxyl-terminated trithiocarbonate as RAFT agent and preparation of microfibers via electrospinning technique
English
Chikaoui-Grioune, D. [Université des Sciences et de la Technologie Houari Boumedienne, Alger, Algérie > Centre de Recherche Scientifique et Technique en Analyses Physico-Chimiques (CRAPC) > Laboratoire de Synthèse Macromoléculaire et Thio-organique Macromoléculaire > >]
Aqil, Abdelhafid [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Zalfen, Alina M. [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Benaboura, A. [Université des Sciences et de la Technologie Houari Boumedienne, Alger, Algérie > > aboratoire de Synthèse Macromoléculaire et Thio-organique Macromoléculaire > >]
Jérôme, Christine mailto [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
15-Jul-2010
Journal of Applied Polymer Science
Wiley
117
2
1005-1012
Yes (verified by ORBi)
International
0021-8995
[en] electrospinning ; radical polymerization ; reversible addition-fragmentation polymerization (RAFT)
[en] Reversible addition-fragmentation chain transfer (RAFT) polymerization of N-vinylphthalimide in N,N-dimethylformamide (DMF) solution was carried out using 2-carboxypropan-2-yl dodecyl trithiocarbonate as a reversible chain transfer agent in the presence of 2,2-azobisisobutyronitrile. The molecular weights of the polymers increased linearly with the monomer conversion and the molecular weight distributions were relatively narrow (PDI < 1.2). It is confirmed by chain extension reaction that the polymer prepared via RAFT polymerization can be used as a macro-RAFT agent. The structure of both polymers was characterized and confirmed by size-exclusion chromatography and 1H-NMR techniques. Ultrafine microfibers were prepared by electrospinning of poly(N-vinylphthalimide) in DMF solution. The effects of electrospinning process parameters such as voltage, tip-to-collector distance, and solution concentration on the morphology and the average size of the electrospun fibers were studied. To evaluate the fiber diameters, scanning electron microscope micrographs of the microfibers were performed.
Center for Education and Research on Macromolecules (CERM)
Researchers
http://hdl.handle.net/2268/64028
10.1002/app.31619
http://www3.interscience.wiley.com/cgi-bin/fulltext/123334159/PDFSTART

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