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dc.contributor.authorTamaño-Machiavello, M. N.por
dc.contributor.authorBracke, Benjaminpor
dc.contributor.authorCosta, C. M.por
dc.contributor.authorLanceros-Méndez, S.por
dc.contributor.authorSabater i Serra, R.por
dc.contributor.authorGómez Ribelles, J. L.por
dc.identifier.citationTamano-Machiavello, M. N., Bracke, B., Costa, C. M., Lanceros-Mendez, S., Sabater i Serra, R., & Gomez Ribelles, J. L. (2016). Hydrophobic/hydrophilic P(VDF-TrFE)/PHEA polymer blend membranes. Journal of Polymer Science Part B-Polymer Physics, 54(6), 672-679. doi: 10.1002/polb.23959-
dc.description.abstractPolymer blend membranes have been obtained consisting of a hydrophilic and a hydrophobic polymers distributed in co-continuous phases. In order to obtain stable membranes in aqueous environments, the hydrophilic phase is formed by a poly(hydrohyethyl acrylate), PHEA, network while the hydrophobic phase is formed by poly(vinylidene fluoride-co-trifluoroethylene) P(VDF-TrFE). To obtain the composites, in a first stage, P(VDF-TrFE) is blended with poly(ethylene oxyde) (PEO), the latter used as sacrificial porogen. P(VDF-TrFE)/PEO blend membranes were prepared by solvent casting at 70° followed by cooling to room temperature. Then PEO is removed from the membrane by immersion in water obtaining a P(VDF-TrFE) porous membrane. After removing of the PEO polymer, a P(VDF-TrFE) membrane results in which pores are collapsed. Nevertheless the pores reopen when a mixture of hydroxethyl acrylate (HEA) monomer, ethyleneglycol dimethacrylate (as crosslinker) and ethanol (as diluent) is absorbed in the membrane and subsequent polymerization yields hybrid hydrophilic/hydrophobic membranes with controlled porosity. The membranes are thus suitable for lithium-ion battery separator membranes and/or biostable supports for cell culture in biomedical applications.por
dc.description.sponsorshipThis work was funded by the Spanish Ministry of Economy and Competitiveness (MINECO) through the project MAT2013-46467-C4-1-R (including the FEDER financial support). The work of the Portuguese group was funded by FEDER funds through the “Programa Operacional Factores de Competitividade e COMPETE” and by national funds fromFundação para a Ciência e a Tecnologia, in the framework of the strategic project Strategic Project PEST-C/FIS/UI607/2014. The authors also thank funding from Matepro - Optimizing Materials and Processes”, ref.NORTE-07-0124- FEDER-000037”, co-funded by the “Programa Operacional Regional do Norte” (ON.2 e O Novo Norte), under the “Quadro de Referência Estratégico Nacional” (QREN), through the “Fundo Europeu de Desenvolvimento Regional” (FEDER), and grant SFRH/BD/68499/2010 (C.M.C.).por
dc.relationNORTE-07-0124- FEDER-000037por
dc.subjectPorous membranepor
dc.subjectPHEA hydrogelpor
dc.titleHydrophobic/hydrophilic P(VDF-TrFE)/PHEA polymer blend membranespor
oaire.citationTitleJournal of Polymer Science, Part B: Polymer Physicspor
dc.subject.wosScience & Technologypor
sdum.journalJournal of Polymer Science Part B: Polymer Physicspor
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