journal article Mar 13, 2006

Surface‐initiated nitroxide‐mediated polymerization: a tool for hybrid inorganic/organic nanocomposites ‘in situ’ synthesis

Polymer International Vol. 55 No. 10 pp. 1199-1207 · Wiley
Abstract
AbstractHybrid silica particles comprised of an inorganic core and an organic polymer shell can be synthesized by surface‐initiated nitroxide‐mediated polymerization (SINMP) in the presence of a grafted alkoxyamine as initiator. The layer of initiator molecules attached or adsorbed to the particles surface is based on a nitroxide group. The synthesis and characterization of these alkoxyamine structures are briefly described. The grafted initiator particles are studied in order to determine the nature of the anchorage sites and the grafting density. With a stable radical or nitroxide as chain‐growth moderator tethered to the inorganic core, it was demonstrated that the grafting from or to SINMP exhibits a control character with a very low polydispersity and good agreement between theoretical/experimental molecular weights. A comparative review of different alkoxyamines with a bimolecular system based on a grafted azoic initiator in the presence of an acyclic β‐phosphonylated nitroxide called SG1 is also described. Moreover, original methods for the synthesis of alkoxyamine grafted surface by in situ trapping of carbon radicals and some new developments for colored pigments will be reported. These topics could be one of the directions of the field in the next years. Copyright © 2006 Society of Chemical Industry
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Published
Mar 13, 2006
Vol/Issue
55(10)
Pages
1199-1207
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Cite This Article
Leïla Ghannam, Julien Parvole, Gael Laruelle, et al. (2006). Surface‐initiated nitroxide‐mediated polymerization: a tool for hybrid inorganic/organic nanocomposites ‘in situ’ synthesis. Polymer International, 55(10), 1199-1207. https://doi.org/10.1002/pi.1985
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