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Nanohybrids of protonic acid doped poly(o-toluidine) (POT) with carboxyl-functionalized multi-walled carbon nanotubes (MWCNT-COOH) were synthesized by in situ chemical oxidation polymerization in the absence of any added acid. Raman spectroscopy and X-ray photoelectron spectroscopy (XPS) showed that carboxylic groups had been introduced onto the surface of MWCNT. Scanning electron microscopy (SEM)...
The main objective of this work is to study the influence of foaming on the percolation threshold of carbon black-filled polymer composites. The electrical conductivity, structure and tensile strength properties of solid and foamed ethylene butyl-acrylate/carbon black composites were investigated. The percolation threshold of solid composites was 10.9vol.%, whereas for composite foams it decreased...
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