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Preparation and characterization of new nanocomposite polymer films containing NiO nanofillers
(Wiley, 2018) Cetinkaya, Sevil; Sonmez, Damla; Ozker, Taner
Nanocomposite solid polymer films based on the poly(exo-N-phenyl-7-oxanorbornene-5,6-dicarboximide) (PPhONDI)/LiClO4/NiO system have been designed, and the effect of inorganic NiO nanofiller in different amounts on the film properties has been examined. The exo-PPhONDI/LiClO4/NiO polymer system is the first solid nanocomposite polymer electrolyte film example based on a ring-opening metathesis polymerization (ROMP) host polymer. The NiO nanoparticles were prepared by two-step chemical syntheses, and the thermoplastic host polymer, exo-PPhONDI, was synthesized via ROMP. Composite polymer films were prepared by the solution-casting method. The amount of nanoparticles was varied from 1 to 15wt % of NiO. The conductivity of the nanocomposite solid polymer systems was influenced by the NiO nanofiller concentration. The composite films based on exo-PPhONDI ROMP polymer with the highest conductivity were achieved for the composition with 8 wt % of NiO nanofiller and 10 wt % of LiClO4 dopant. The prepared films were characterized using X-ray diffraction, Fourier transform infrared spectroscopy, differential scanning calorimetry, and scanning electron microscopy (SEM). The SEM results showed that the filler was well distributed in the polymer matrix. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 45938.