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Titleα- and γ-PVDF: Crystallization kinetics, microstructural variations and thermal behaviour
Author(s)Silva, M. P.
Sencadas, Vítor João Gomes Silva
Botelho, Gabriela
Machado, A. V.
Rolo, Anabela G.
Rocha, J. G.
Lanceros-Méndez, S.
KeywordsCrystallization kinetics
Avrami theory
Electroactive polymers
Optical microscopy
Issue dateJul-2010
JournalMaterials Chemistry and Physics
Abstract(s)The kinetics of the isothermal crystallization from the melt of α- and γ-poly(vinylidene fluoride), PVDF, and the corresponding melting behaviour has been investigated. The crystallization kinetics was evaluated on the basis of the theory of Avrami. The variation of the microstructure of the samples crystallized at different temperatures was monitored along time by optical microscopy with polarized light. The correlation between microstructure and kinetic parameters allows tailoring the microstructure of the polymer by choosing specific crystallization conditions. Infrared spectroscopy and Raman spectroscopy show the appearance of the γ-phase for higher crystallization temperatures.
Publisher version
AccessRestricted access (UMinho)
Appears in Collections:CDF - CEP - Artigos/Papers (with refereeing)
IPC - Artigos em revistas científicas internacionais com arbitragem

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