Abstract
Electrically conductive polyorthochloroaniline/chromium nanocomposites (POC/Cr NCs) were prepared by in situ chemical oxidative polymerization of orthochloroaniline in the presence of Cr nanoparticles (Cr NPs). The load percentage of Cr nanofiller was varied in POC matrix to investigate the effect of Cr nanoparticles on the properties of the nanocomposites. The composition, structure, and morphology of POC and its composites were examined by Scanning electron microscopy, Fourier transform infrared spectroscopy, and UV–visible spectroscopic analysis. The antibacterial potential of POC and its composites was evaluated by the disc diffusion method against Escherichia coli and Bacillus subtilis. The results showed the improved antibacterial potential with the increase in the load percentage of nanofiller. The electrical conductivity of polymer and its composites was measured and correlated with the load percentage. The results showed that electrical conductivity of the composites was enhanced with the increase in load percentage of Cr nanoparticles.
Highlights
Conductive polymers are a class of synthetic metals which combine chemical and mechanical properties of polymers with electronic properties of semiconductors and metals [1, 2]
We report the preparation of chloro-functionalized PANI, i.e. poly(o-chloroaniline)
Synthesis of poly(o‐chloroaniline) Polyorthochloroaniline was polymerized by acid catalyzed oxidative polymerization of o-chloroaniline
Summary
Conductive polymers are a class of synthetic metals which combine chemical and mechanical properties of polymers with electronic properties of semiconductors and metals [1, 2]. Typical conducting polymers include polyacetylene, polyaniline, polypyrrole, polythiophene, poly(p-phenylene), poly(phenylenevinylene), and polyfuran [3]. Ecological stability, easy transformation to cathodic protection, and distinct electronic, magnetic, biological and optical properties have attracted researchers to focus on polyaniline and its derivatives [4]. Ahmad et al Chemistry Central Journal (2018) 12:46 magnitude of size and of its uniform distribution [10]. Because of their small size, nanoparticles have properties of advanced materials that are significantly different from those of their bulk counterparts [11]. The demand for conducting plus antibacterial materials has increased manifold due to their tunable properties which makes them suitable for different areas of application
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