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Electrically and thermally conductive thin elastic polymer foils containing SiC nanofibers

AuthorsPaszkiewicz, S.; Taraghi, I.; Szymczyk, A.; Huczko, A.; Kurcz, M.; Przybyszewski, B.; Stanik, R.; Linares, Amelia ; Ezquerra, Tiberio A. ; Roslaniec, Z.
KeywordsSilicon carbide
Electrical conductivity
Thermal conductivity
Thermoplastic elastomers
Issue Date13-Apr-2017
CitationComposites Science and Technology 146: 20-25 (2017)
AbstractDesign and experiment of polymeric nanocomposites (NCs) for photovoltaic applications with outstanding electrical and thermal properties has been investigated with the introduction of SiC nanofibers (NFs) into the poly(trimethylene terephthalate)-block-poly(tetramethylene oxide) (PTT-PTMO) copolymers. In order to enhance the electrical and thermal conductivity, different concentrations of SiC NFs, ranging from 0.1 to 3.0 wt %, have been selected to mix with PTT-PTMO via in situ polymerization method. This reaction method is an excellent choice for incorporation of high amount of SiC NFs (3 wt %) into the polymer that was confirmed by morphological studies. From dielectric spectroscopy studies a percolating behavior was confirmed at low percolation threshold (less than 2% wt %). Furthermore, the 15% increment for thermal conductivity appeared with combination of 0.5 wt % SiC NFs with PTT-PTMO copolymers, which can be affected by manufacturing process of NCs, state of nanofillers dispersion and aspect ratio of nanofillers.
Description6 pags., 6 figs.
Publisher version (URL)https://doi.org/10.1016/j.compscitech.2017.04.016
Identifiersdoi: 10.1016/j.compscitech.2017.04.016
issn: 0266-3538
Appears in Collections:(CFMAC-IEM) Artículos
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