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Poly(vinylidene fluoride-trifluoroethylene) (72/28) interconnected porous membranes obtained by crystallization from solution

Published online by Cambridge University Press:  26 July 2011

Armando Ferreira ,
Jaime Silva ,
Vitor Sencadas ,
José Luís Gómez-Ribelles  and
Senentxu Lanceros-Méndez
Armando Ferreira
Affiliation:
Centro/Departamento de Física, Universidade do Minho, 4710-057 Braga, Portugal.
Jaime Silva
Affiliation:
Centro/Departamento de Física, Universidade do Minho, 4710-057 Braga, Portugal. IPC-Institute for Polymers and Composites, University of Minho, 4800-058, Guimarães, Portugal.
Vitor Sencadas
Affiliation:
Centro/Departamento de Física, Universidade do Minho, 4710-057 Braga, Portugal.
José Luís Gómez-Ribelles
Affiliation:
Centro de Biomateriales y Ingineria Tisular, Universidad Politécnica de Valencia, 46022, Valencia, Spain. Regenerative Medicine Unit, Centro de Investigación Príncipe Felipe, Autopista del Saler 16, 46013 Valencia, Spain. CIBER en Bioingeniería, Biomateriales y Nanomedicina, Valencia, Spain.
Senentxu Lanceros-Méndez*
Affiliation:
Centro/Departamento de Física, Universidade do Minho, 4710-057 Braga, Portugal.
*
Email: [email protected]; [email protected]
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Abstract

Electroactive macroporous poly[(vinylidene fluoride)-co-trifluoroethylene] membranes have been processed by solvent evaporation at room temperature with different polymer/solvent concentrations. The pore architecture consists on interconnected spherical pores and this morphology is independent of the membrane thickness. The porosity of the produced membranes increases from 72% for the higher polymer concentration in the polymer/solvent solution (15/85), up to 80% for the lowest polymer concentration in the polymer/solvent solution.

Fourier transform infrared spectroscopy and differential scanning calorimetry measurements reveal that the polymer crystallizes in the ferroelectric phase and the polymer/solvent ratio does not influences the Curie transition and the melting temperature of the polymer.

Keywords

biomaterialpolymerferroelectric
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1312: Symposium HH/II/JJ – Polymer-Based Materials and Composites—Synthesis, Assembly and Applications , 2011 , mrsf10-1312-hh08-11
Copyright
Copyright © Materials Research Society 2011

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References

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