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Poly(o-Toluidine) (POT) and POT-doped multiwalled carbon nanotubes (MWCNTs) were successfully prepared by in situ chemical oxidative polymerization in an acidic medium with ammonium persulfate (NH4)2S2O8 as oxidant. MWCNTs were used at different weight ratios as reinforcement to improve the mechanical and electrical properties of POT. Scanning electron microscopy, X-ray diffraction, and Fourier transform infrared spectroscopy analyses were conducted to characterize the morphology, structure properties and functional groups of the prepared samples. The electrical conductivity of POT and POT–MWCNTs was measured by two-probe method at room temperature. The electrical conductivity increased with increasing weight ratio of MWCNTs, that is, from 3.93×10-6 S/cm in the nanocomposite with 0 wt% MWCNTs to 2.36×10-5 S/cm in the nanocomposite with 0.3 wt% MWCNTs. The tensile strength and hardness of the POT and POT–MWCNTs nanocomposite samples were also measured..
POT, POT-MWCNTs, Conductive polymer.
TARIQ J. ALWAN, Improved electrical, structure, and mechanical properties of poly (o-toluidine) polymer by multiwalled carbon nanotubes, Optoelectronics and Advanced Materials - Rapid Communications, 13, 7-8, July-August 2019, pp.472-476 (2019).
Submitted at: Dec. 28, 2018
Accepted at: Aug. 20, 2019