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Millable polyurethane/organoclay nanocomposites: preparation, characterization, and properties

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dc.contributor.authorSiliani, M.
dc.contributor.authorLópez Manchado, M. A.
dc.contributor.authorValentin, J. L.
dc.contributor.authorArroyo Ramos, Victor Miguel
dc.contributor.authorMarcos, A.
dc.contributor.authorKhayet Souhaimi, Mohamed
dc.contributor.authorGarcía Villaluenga, Juan Pedro
dc.date.accessioned2023-06-20T10:41:10Z
dc.date.available2023-06-20T10:41:10Z
dc.date.issued2007-02-07
dc.description© 2007 American Scientific Publishers. The authors wish to thank the CICYT, MAT 2004-00825 and the Spanish Ministry of Science and Technology (MCYT), PPQ2003-03299, for financial support and Dr. López Manchado for the concession of a Ramón y Cajal contract (MCYT).
dc.description.abstractNovel millable polyurethane (PU)/organoclay nanocomposites have been successfully prepared by conventional transformation techniques. One natural (C6A) and two organically modified (C15A and C30B) montmorillonites have been used as clays for preparing PU nanocomposites. The optimum dispersion of nanofiller at a nanometer scale in PU matrix was confirmed by X-ray diffraction patterns and transmission electron microscopy. A substantial improvement of the PU properties by addition of only a small amount of organoclay was observed. It is worthy to note that the organoclays show a different interfacial interaction with the PU matrix, which was reflected in different macroscopic properties. Thus, C30B organoclay seems to react with PU chains to form covalent bonds, while C15A only interacts physically with PU chains. Mechanical and barrier properties are analyzed.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipCICYT
dc.description.sponsorshipSpanish Ministry of Science and Technology (MCYT)
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/24816
dc.identifier.doi10.1166/jnn.2007.134
dc.identifier.issn1533-4880
dc.identifier.officialurlhttp://dx.doi.org/10.1166/jnn.2007.134
dc.identifier.relatedurlhttp://www.ingentaconnect.com/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/50990
dc.issue.number2
dc.journal.titleJournal of nanoscience and nanotechnology
dc.language.isoeng
dc.page.final640
dc.page.initial634
dc.publisherAmerican Scientific Publishers
dc.relation.projectIDMAT 2004-00825
dc.relation.projectIDPPQ2003-03299
dc.rights.accessRightsrestricted access
dc.subject.cdu536
dc.subject.keywordMillable Polyurethanes
dc.subject.keywordMorphology
dc.subject.keywordNanocomposites
dc.subject.keywordOrganoclay
dc.subject.keywordPermeability
dc.subject.ucmTermodinámica
dc.subject.unesco2213 Termodinámica
dc.titleMillable polyurethane/organoclay nanocomposites: preparation, characterization, and properties
dc.typejournal article
dc.volume.number7
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