RT Journal Article
T1 PVDF based nanocomposites produced by solution blow spinning, structure and morphology induced by the presence of MWCNT and their consequences on some properties
A1 González Benito, Francisco Javier
A1 Torres, Diego
A1 Ballesteros Pérez, Carmen Inés
A1 Ruiz, Víctor M.
A1 Teno Díaz, Jorge
AB Nanocomposites based on poly(vinylidene fluoride), PVDF, filled with multiwalled carbon nanotubes, MWCNT, were preparedby solution blow spinning, SBS. PVDF was modified with MWCNT with the aim of changing final properties inducing structuraland morphological variations in the polymer by the simple presence of conductive particles. Different compositions wereconsidered (0%, 1%, 2%, 3%, and 5% by weight of MWCNT) to understand the influence of the presence of MWCNT on thepolymer structure, morphology, and consequently other properties. Morphology was inspected by optical and electron (SEM andTEM) microscopies, while structure was studied by Fourier transformed infrared spectroscopy, FTIR. Thermal behavior wasmonitored by differential scanning calorimetry, DSC, while the surface and electrical properties were studied by contact angleand capacitance measurements, respectively. SBS allowed obtaining mats of nanocomposites constituted by submicrometricfibers where the MWCNT are uniformly dispersed and well aligned along the PVDF fibers. In this study, several aspects aboutstructure and thermal behavior of PVDF were clarified in relation to other researches carried out up to the moment. AlthoughMWCNT concentration did not seem to affect much the fibrous morphology of the SBS materials, the PVDF crystalline structureand surface properties of the materials were slightly modified. Dielectric behavior of PVDF was highly affected by the presenceof MWCNT leading to a particular change in the permittivity and being possible to obtain a value of 0.023 for the percolationfraction.
PB Springer
SN 0303-402X
YR 2019
FD 2019-08-01
LK https://hdl.handle.net/10016/32902
UL https://hdl.handle.net/10016/32902
LA eng
NO The authors appreciate the financial support received from the Ministerio de Economía y Competitividad [MAT2014-59116-C2]; the Universidad Carlos III de Madrid due to Fondos de Investigación de Fco. Javier González Benito [2012/00130/004] and the strategic Action in Composites materials and interphases [2011/00287/002]. TEM characterization was made at LABMET, associated to the Red de Laboratorios de la Comunidad de Madrid.
DS e-Archivo
RD 27 jul. 2024