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Filled poly(2,6-dimethyl-1,4-phenylene oxide) dense membranes by silica and silane modified silica nanoparticles: characterization and application in pervaporation

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dc.contributor.authorKhayet Souhaimi, Mohamed
dc.contributor.authorGarcía Villaluenga, Juan Pedro
dc.contributor.authorValentín, J. L.
dc.contributor.authorLópez Manchado, Miguel Ángel
dc.contributor.authorMengual Cabezón, Juan Ignacio
dc.contributor.authorSeoane Rodríguez, Benjamín
dc.date.accessioned2023-06-20T10:41:15Z
dc.date.available2023-06-20T10:41:15Z
dc.date.issued2005-11-14
dc.description© 2005 Elsevier Ltd. The authors of this study gratefully acknowledge the financial support of the Ministry of Science and Technology (MCYT, Spain) through its project No PPQ2003-03299. Dr. López Manchado also acknowledges the concession of a Ramón and Cajal contract from the MCYT.
dc.description.abstractThe effects of silica and silane modified silica fillers on the pervaporation properties of poly (2,6-dimethyl-1,4-phenylene oxide) (PPO) dense membranes have been studied. Crystallinity, thermal and mechanical properties of unfilled and filled PPO membranes with silica and silane modified silica nanoparticles were investigated. The surface energy together with the solubility parameters of the membranes and the nanoparticles were determined. Pervaporation separation of methanol/methyl tert butyl ether (MTBE) mixtures over the entire range of concentration were carried out using both filled and unfilled membranes. The results are discussed in terms of the solubility and the diffusivity of each liquid component in the membranes. Flory-Huggins theory was used to predict the sorption methanol selectivity. Compared to the unfilled PPO membrane, the filled PPO membranes exhibit higher methanol selectivity and lower permeability. For methanol concentration in liquid feed mixture lower than 50 wt%, methanol selectivity of the filled PPO membranes with silane modified silica is better than that of the silica filled and unfilled PPO membranes.
dc.description.departmentDepto. de Estructura de la Materia, Física Térmica y Electrónica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipMinistry of Science and Technology (MCYT, Spain)
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/24876
dc.identifier.doi10.1016/j.polymer.2005.07.081
dc.identifier.issn0032-3861
dc.identifier.officialurlhttp://dx.doi.org/10.1016/j.polymer.2005.07.081
dc.identifier.relatedurlhttp://www.sciencedirect.com/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/50994
dc.issue.number23
dc.journal.titlePolymer
dc.language.isoeng
dc.page.final9891
dc.page.initial9881
dc.publisherElsevier Ltd.
dc.relation.projectIDPPQ2003-03299
dc.rights.accessRightsrestricted access
dc.subject.cdu536
dc.subject.keywordPervaporation
dc.subject.keywordComposite Poly(phenylene Oxide) Membranes
dc.subject.keywordSeparation
dc.subject.ucmTermodinámica
dc.subject.unesco2213 Termodinámica
dc.titleFilled poly(2,6-dimethyl-1,4-phenylene oxide) dense membranes by silica and silane modified silica nanoparticles: characterization and application in pervaporation
dc.typejournal article
dc.volume.number46
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