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Synthesis of core-shell polyurethane-polydimethylsiloxane particles in cyclohexane and in supercritical carbon dioxide used as dispersant media: a comparative investigation

dc.rights.licenseopen
hal.structure.identifierLaboratoire de Chimie des polymères organiques [LCPO]
dc.contributor.authorCHAMBON, Pierre
hal.structure.identifierLaboratoire de Chimie des polymères organiques [LCPO]
hal.structure.identifierTeam 4 LCPO : Polymer Materials for Electronic, Energy, Information and Communication Technologies
dc.contributor.authorCLOUTET, Eric
IDREF: 151048681
hal.structure.identifierLaboratoire de Chimie des polymères organiques [LCPO]
hal.structure.identifierTeam 2 LCPO : Biopolymers & Bio-sourced Polymers
dc.contributor.authorCRAMAIL, Henri
hal.structure.identifierLaboratoire de Physico-Chimie Moléculaire [LPCM]
dc.contributor.authorTASSAING, Thierry
hal.structure.identifierLaboratoire de Physico-Chimie Moléculaire [LPCM]
dc.contributor.authorBESNARD, Marcel
dc.date.accessioned2020
dc.date.available2020
dc.date.issued2005
dc.identifier.issn0032-3861
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/20694
dc.description.abstractEnPolyurethane-polydimethylsiloxane particles of tuneable diameter in the range 0.5-5 mum, have been synthesized by step-growth polymerization, both in cyclohexane and in supercritical carbon dioxide (scCO(2)) used as dispersant media. The feasibility of the polyaddition between ethylene glycol and tolylene-2,4-diisocyanate, selected as monomers, was first demonstrated in cyclohexane, in the presence of hydroxy- or isocyanate-terminated polydimethylsiloxane used as a surfmer. The polymerizations were then carried out in scCO(2) at 60 degrees'C and above 200 bar, after the solubility of each reactant has been determined in scCO(2), at various pressures and temperatures. Both in cyclohexane and in scCO(2), the reaction extent was determined by means of FTIR spectroscopy. The structure and the morphology of the resulting powdery polyurethane-polydimethylsiloxane 'core-shell' material were confirmed by NMR, SEC, TEM and SEM techniques.
dc.language.isoen
dc.publisherElsevier
dc.subject.endispersion
dc.subject.enstep-growth polymerization
dc.subject.enpolyurethane
dc.title.enSynthesis of core-shell polyurethane-polydimethylsiloxane particles in cyclohexane and in supercritical carbon dioxide used as dispersant media: a comparative investigation
dc.typeArticle de revue
dc.identifier.doi10.1016/j.polymer.2004.11.093
dc.subject.halChimie/Polymères
bordeaux.journalPolymer
bordeaux.page1057-1066
bordeaux.volume496
bordeaux.hal.laboratoriesLaboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629*
bordeaux.issue4
bordeaux.institutionBordeaux INP
bordeaux.institutionUniversité de Bordeaux
bordeaux.peerReviewedoui
hal.identifierhal-00393815
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00393815v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Polymer&rft.date=2005&rft.volume=496&rft.issue=4&rft.spage=1057-1066&rft.epage=1057-1066&rft.eissn=0032-3861&rft.issn=0032-3861&rft.au=CHAMBON,%20Pierre&CLOUTET,%20Eric&CRAMAIL,%20Henri&TASSAING,%20Thierry&BESNARD,%20Marcel&rft.genre=article


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