Abstract
3-N-acryloylamidobenzonitrile (AMBN) monomer was first prepared and then polymerized in dimethylformamide (DMF) using γ-irradiation to form a new polymer (PAMBN) containing nitrile groups. The characterization of the monomer and its polymer was carried out by Fourier Transform Infrared (FTIR) and nuclear magnetic resonance (NMR) spectroscopy. The prepared polymer was modified into amidoximated form using hydroxylamine hydrochloride in basic medium. The complex formation of the amidoxime towards Cr (III) was investigated by X-ray fluorescence (XRF) and inductive coupled plasma (ICP). The thermal stability of the prepared polymer was examined using thermogravimetric analysis (TGA). The change in surface morphology of the prepared polymer and its complexed ones was observed by scanning electron microscope (SEM). The reusability of the chelating polymer with Cr (III), adsorption-desorption was studied. The results obtained from the chelated polymeric material showed promising application in extraction of heavy metal ions from industrial effluents.
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