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Thermoplastic polyurethanes (TPUs) with grafted organosilane moieties: A new way of improving thermomechanical behavior

dc.rights.licenseopen
hal.structure.identifierIngénierie des Matériaux Polymères [IMP]
dc.contributor.authorDASSIN, Stéphane
hal.structure.identifierIngénierie des Matériaux Polymères [IMP]
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
dc.contributor.authorDUMON, Michel
hal.structure.identifierIngénierie des Matériaux Polymères [IMP]
dc.contributor.authorMÉCHIN, Françoise
hal.structure.identifierIngénierie des Matériaux Polymères [IMP]
dc.contributor.authorPASCAULT, Jean-Pierre
dc.date.accessioned2020
dc.date.available2020
dc.date.issued2002
dc.identifier.issn0032-3888
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/19889
dc.description.abstractEnOrganosilanes were grafted on thermoplastic polyurethanes (TPUs) using an internal mixer or reactive extrusion. The reaction described here proceeds in two stages, with the help of a diisocyanate as a coupling agent to create allophanate junctions between TPU chains and an aminosilane. Such materials could then be crosslinked by a hydrolytic condensation mechanism, resulting in increased thermomechanicalproperties. The starting TPU was at first carefully characterized. Using the plastograph, the different stages (reactions between TPU and diisocyanate, isocyanate-grafted TPU and aminosilane, but also between TPU and aminosilane alone) were then studied separately, together with the influence of several essential parameters (time, temperature, rotating speed, etc.). Optimal conditions for a well-controlled grafting process were defined, and the different ways of crosslinking the TPU chains were compared.
dc.language.isoen
dc.publisherWiley-Blackwell
dc.subject.enthermomechanical properties
dc.subject.enhydrolytic condensation
dc.subject.enthermoplastic polyurethanes (TPUs)
dc.subject.engrafting
dc.subject.enalkoxysilanes
dc.title.enThermoplastic polyurethanes (TPUs) with grafted organosilane moieties: A new way of improving thermomechanical behavior
dc.typeArticle de revue
dc.identifier.doi10.1002/pen.11066
dc.subject.halChimie/Polymères
dc.subject.halSciences de l'ingénieur [physics]/Matériaux
bordeaux.journalPolymer Engineering and Science
bordeaux.page1724-1739
bordeaux.volume42
bordeaux.hal.laboratoriesLaboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629*
bordeaux.issue8
bordeaux.institutionBordeaux INP
bordeaux.institutionUniversité de Bordeaux
bordeaux.peerReviewedoui
hal.identifierhal-02045584
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02045584v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Polymer%20Engineering%20and%20Science&rft.date=2002&rft.volume=42&rft.issue=8&rft.spage=1724-1739&rft.epage=1724-1739&rft.eissn=0032-3888&rft.issn=0032-3888&rft.au=DASSIN,%20St%C3%A9phane&DUMON,%20Michel&M%C3%89CHIN,%20Fran%C3%A7oise&PASCAULT,%20Jean-Pierre&rft.genre=article


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