Polypropylene membranes modified with interpenetrating polymer networks for the removal of chromium ions

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dc.contributor.authorTapiero, Yesid
dc.contributor.authorRivas, Bernabe L.
dc.contributor.authorSanchez, Julio
dc.contributor.authorBryjak, Marek
dc.contributor.authorKabay, Nalan
dc.date.accessioned2019-10-27T23:00:32Z
dc.date.available2019-10-27T23:00:32Z
dc.date.issued2015
dc.departmentEge Üniversitesien_US
dc.description.abstractPolypropylene (PP) membranes incorporating poly[(ar-vinylbenzyl) trimethylammonium chloride] P(ClVBTA), and poly[sodium (styrene sulfonate)] P(SSNa) were modified via an in situ radical polymerization synthesis. Two methods were used for impregnation of the reactive solution: pressure injection and plasma superficial activation with argon gas. The following conditions were varied: the monomer concentrations, number of injections, and cross-linked concentration. The modified polypropylene membranes were then characterized using scanning electron microscopy/energy dispersive X-ray spectroscopy, Fourier transform-infrared spectroscopy, electrokinetic potential, and Donnan dialysis for the chromium ions transport. The modified membranes exhibited a hydrophilic character with a water uptake capacity between 15% and 20% and a percent modification between 2.5% and 4.0%. This was compared with the results of an unmodified polypropylene membrane as the blank and the mentioned polypropylene membrane has not the capacity to uptake water because this kind of material is highly hydrophobic. Hexavalent chromium ions were efficiently transported by the modified membranes containing P(ClVBTA) via a plasma method and it achieved 59.2% extraction at pH 9.0 using a 1-mol L-1 NaCl extraction agent. Therefore, unmodified polypropylene membrane shows an extraction percentage close to 10% from the hexavalent chromium ions at pH 9.0. In the same way, the trivalent chromium transport using membranes modified with P(SSNa) achieved 49.0% extraction at pH 2.0 using 1 x 10(-1) mol L-1 HNO3 and 1 mol L-1 NaCl as the extraction agents. Moreover, the unmodified polypropylene membrane reached a value close to 10% from the trivalent chromium ions using 1 x 10(-1) mol L-1 HNO3 and 1 mol L-1 NaCl. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 41953.en_US
dc.description.sponsorshipFONDECYTComision Nacional de Investigacion Cientifica y Tecnologica (CONICYT)CONICYT FONDECYT [1110079, 11140324]; 7FP-MC Actions Grant; CHILTURPOL2 (PIRSES-GA Project) [269153]; REDOC (MINE-DUC Project at U. de Concepcion) [UCO1202]en_US
dc.description.sponsorshipThe authors thank the FONDECYT (Project No 1110079), PIA (Anillo ACT-130), 7FP-MC Actions Grant, CHILTURPOL2 (PIRSES-GA-2009 Project, Grant No: 269153), REDOC (MINE-DUC Project UCO1202 at U. de Concepcion), and Marie Curie Program. Julio Sanchez thanks FONDECYT (Project No 11140324) and CIPA, Chile.en_US
dc.identifier.doi10.1002/app.41953
dc.identifier.issn0021-8995
dc.identifier.issn1097-4628
dc.identifier.issn0021-8995en_US
dc.identifier.issn1097-4628en_US
dc.identifier.issue19en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.urihttps://doi.org/10.1002/app.41953
dc.identifier.urihttps://hdl.handle.net/11454/52017
dc.identifier.volume132en_US
dc.identifier.wosWOS:000349894200013en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherWileyen_US
dc.relation.ispartofJournal of Applied Polymer Scienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectadsorptionen_US
dc.subjectmembranesen_US
dc.subjectseparation techniquesen_US
dc.titlePolypropylene membranes modified with interpenetrating polymer networks for the removal of chromium ionsen_US
dc.typeArticleen_US

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