Electrical conductivity of natural rubber–cellulose II nanocomposites

Nanocomposite materials obtained from natural rubber (NR) reinforced with different amounts of cellulose II (cell) nanoparticles (in the range of 0 to 30phr) are studied by dielectric spectroscopy (DS) in a broad temperature range (−150 to 150°C). For comparative purposes, the pure materials, NR and...

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Bibliographic Details
Published in:Journal of non-crystalline solids 2014-12, Vol.405, p.180-187
Main Authors: Ortiz-Serna, P., Carsí, M., Redondo-Foj, B., Sanchis, M.J.
Format: Article
Language:English
Subjects:
Cellulose II
Conductivity
Cross-disciplinary physics: materials science
rheology
Dielectric spectroscopy
Dielectrics
Electrical resistivity
Electrode polarization
Exact sciences and technology
Materials science
Nanocomposite materials
Nanocomposites
Nanoparticles
Nanopowders
Nanoscale materials and structures: fabrication and characterization
Natural rubber
Physics
Resistivity
Spectra
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Summary:Nanocomposite materials obtained from natural rubber (NR) reinforced with different amounts of cellulose II (cell) nanoparticles (in the range of 0 to 30phr) are studied by dielectric spectroscopy (DS) in a broad temperature range (−150 to 150°C). For comparative purposes, the pure materials, NR and cell, are also investigated. An analysis of the cell content effect on the conductive properties of the nanocomposites was carried out. The dielectric spectra exhibit conductivity phenomena at low frequencies and high temperatures: Maxwell–Wagner–Sillars (MWS) and electrode polarization (EP) conductive processes were observed in the nanocomposite samples. •Study of the conductivity behaviour of natural rubber–cellulose nanocomposites•Analysis of the time/frequency temperature correspondence for the ac conductivity•Cell nanoparticles preserve the inherent good insulating properties of natural rubber.
ISSN:0022-3093
1873-4812
DOI:10.1016/j.jnoncrysol.2014.09.026