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About the suitability of the seeded-dispersion polymerization technique for preparing micron-sized silica-polystyrene clusters

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierUniversité Sciences et Technologies - Bordeaux 1 [UB]
dc.contributor.authorNGUYEN, David
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
hal.structure.identifierUniversité Sciences et Technologies - Bordeaux 1 [UB]
dc.contributor.authorRAVAINE, Serge
hal.structure.identifierLaboratoire de Chimie, Catalyse, Polymères et Procédés, R 5265 [C2P2]
dc.contributor.authorBOURGEAT-LAMI, Elodie
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorDUGUET, Etienne
dc.date.created2009
dc.date.issued2010
dc.identifier.issn0959-9428
dc.description.abstractEnDispersion polymerization of styrene was performed in the presence of methacryloxymethyltrimethoxysilane-derivatized silica seeds in various experimental conditions in order to get micron-sized polystyrene/silica clusters of controlled morphology. It is demonstrated that asymmetric clusters (dumbbell-like or snowman-like) are easily prepared in a large range of sizes by taking advantage of the coalescence phenomenon which occurs between growing polymer nodules in pure alcoholic medium, at high monomer concentration and/or at high temperature. A model describing the evolution of the morphologies as a function of the seed size and concentration is proposed. Moreover, micron-sized multipod-like or raspberry-like particles were also obtained by adding water in the dispersing medium. The experimental parameters which allow control of the cluster morphology are compared to those of the seeded-emulsion polymerization, which is efficient for preparing submicron-sized clusters.
dc.language.isoen
dc.publisherRoyal Society of Chemistry
dc.title.enAbout the suitability of the seeded-dispersion polymerization technique for preparing micron-sized silica-polystyrene clusters
dc.typeArticle de revue
dc.identifier.doi10.1039/b926438h
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of Materials Chemistry
bordeaux.page9392-9400
bordeaux.volume20
bordeaux.issue42
bordeaux.peerReviewedoui
hal.identifierhal-00527827
hal.version1
hal.popularnon
hal.audienceInternationale
dc.subject.itSilica-polystyrene clusters
dc.subject.itDispersion polymerization
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00527827v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20Materials%20Chemistry&rft.date=2010&rft.volume=20&rft.issue=42&rft.spage=9392-9400&rft.epage=9392-9400&rft.eissn=0959-9428&rft.issn=0959-9428&rft.au=NGUYEN,%20David&RAVAINE,%20Serge&BOURGEAT-LAMI,%20Elodie&DUGUET,%20Etienne&rft.genre=article


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