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TitlePoly(vinylidene fluoride-trifluoroethylene) porous films: tailoring microstructure and physical properties by solvent casting strategies
Author(s)Cardoso, Vanessa Fernandes
Lopes, A. C.
Botelho, Gabriela
Lanceros-Méndez, S.
KeywordsPoly(vinylidene fluoride-trifluoroethylene) – P(VDF-TrFE
Solvent evaporation
Non-solvent induced phase separation
Tailored microstructure
Mechanical properties
Issue date2015
PublisherTaylor & Francis
JournalSoft Materials
Abstract(s)A systematic study for the production of porous poly(vinylidene fluoride-trifluoroethylene), P(VDF-TrFE), films using solvent evaporation and non-solvent induced phase separation techniques is presented. Processing parameters such as copolymer volume fraction, solvent, preset exposure time to air before immersion, and non-solvent and temperature of the coagulation bath were varied and the corresponding sample morphology, hydrophobicity, thermal and mechanical properties were determined. Film morphologies including homogeneous pore distributions, micropores, microvoids, spherulites and non-porous films were obtained. The morphology variations strongly influence sample hydrophobicity and mechanical properties. All samples crystallize in the electroactive β-phase with a degree of crystallinity around 30 %.
AccessRestricted access (UMinho)
Appears in Collections:CDF - FCD - Artigos/Papers (with refereeing)
CDQuim - Artigos (Papers)

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