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dc.contributor.authorMagee, Christopher
dc.contributor.authorEarla, Aruna
dc.contributor.authorPetraitis, Jennifer
dc.contributor.authorHiga, Chad
dc.contributor.authorBraslau, Rebecca
dc.contributor.authorZetterlund, Per B.
dc.contributor.authorAldabbagh, Fawaz
dc.date.accessioned2016-04-28T11:41:46Z
dc.date.available2016-04-28T11:41:46Z
dc.date.issued2014-06-20
dc.identifier.citationChristopher Magee, Aruna Earla, Jennifer Petraitis, Chad Higa, Rebecca Braslau, Per B. Zetterlund and Fawaz Aldabbagh (2014) 'Synthesis of fluorinated alkoxyamines and alkoxyamine-initiated nitroxide-mediated precipitation polymerizations of styrene in supercritical carbon dioxide'. Polymer Chemistry, 5 :5725-5733.en_IE
dc.identifier.issn1759-9962
dc.identifier.urihttp://hdl.handle.net/10379/5727
dc.description.abstractTIPNO (2,2,5-trimethyl-4-phenyl-3-azahexane-3-nitroxide)-alkoxyamine was found to give reasonably controlled/living nitroxide-mediated (NMP) precipitation polymerizations of styrene in supercritical carbon dioxide (scCO(2)). In contrast under the same conditions, the analogous SG1 (N-tert-butyl-N-(1-diethylphosphono-2,2-dimethylpropyl)nitroxide)-alkoxyamine gave higher rates of polymerization and inferior controlled/living character. The circumvention of the requirement for excess free (nitroxide](0) allowed the study of nitroxide partitioning effects in scCO(2) for three newly synthesized fluorinated alkoxyamines. Two alkoxyamines dissociated into scCO(2)-philic fluorinated TIPNO-nitroxide derivatives, while another contains a similar sized fluorinated "foot". Despite the increased steric bulk about the N-O bond for the novel fluorinated alkoxyamines, all polymerizations proceeded at a similar rate and level of control to the TIPNO system in solution (toluene). PREDICI simulations for the styrene/TIPNO system are used to support extensive partitioning effects observed in scCO(2) for the fluorinated alkoxyamines.en_IE
dc.description.sponsorshipIrish Research Council (formerly IRCSET) IUPAC Transnational Call in Polymer Chemistry to F.Aldabbagh. National Science Foundation (NSF CHE-1057927, USA) to R. Braslau.en_IE
dc.formatapplication/pdfen_IE
dc.language.isoenen_IE
dc.publisherRoyal Society of Chemistryen_IE
dc.relation.ispartofPolymer Chemistryen
dc.subjectChemistryen_IE
dc.subjectTransfer radical polymerizationen_IE
dc.subjectControlled dispersion polymerizationen_IE
dc.subjectMethy methacrylateen_IE
dc.subjectChain transferen_IE
dc.subjectBlock copolymersen_IE
dc.subjectVinyl monomersen_IE
dc.subjectRaften_IE
dc.subjectCO2en_IE
dc.subjectStabilizeren_IE
dc.subjectATRPen_IE
dc.titleSynthesis of fluorinated alkoxyamines and alkoxyamine-initiated nitroxide-mediated precipitation polymerizations of styrene in supercritical carbon dioxideen_IE
dc.typeArticleen_IE
dc.date.updated2016-04-28T11:26:39Z
dc.identifier.doi10.1039/C4PY00757C
dc.local.publishedsourcehttp://pubs.rsc.org/en/Content/ArticleLanding/2014/PY/C4PY00757C#!divAbstracten_IE
dc.description.peer-reviewedpeer-reviewed
dc.contributor.funder|~|
dc.internal.rssid8025536
dc.local.contactFawaz Aldabbagh, Dept. Of Chemistry, Room 111, Arts/Science Building, Nui Galway. 3120 Email: fawaz.aldabbagh@nuigalway.ie
dc.local.copyrightcheckedNo
dc.local.versionACCEPTED
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