Abstract
Graphene (GR) sheets were successfully prepared via solvent interface trapping. Characterization of GR was performed using Raman spectroscopy, X-ray diffraction (XRD), field emission scanning electron microscope (FESEM), high-resolution transmission electron microscopy (HRTEM), and UV–Vis spectrometer. GR was trapped in gum acacia (GA) and polyacrylamide (PAAm) to form GA/PAAm/GR nanocomposite using gamma irradiation technique. In situ preparation of the magnetic nanocomposite and the magnetization was measured. Characterization the prepared nanocomposites was done using (FT-IR), (FESEM), (HRTEM), (XRD), (TGA). It can be obtained that a high swelling percent was observed for all systems that increased with time until reached the steady state after 5 h and the maximum was at pH 10. The swelling percent were ordered in sequence of GA/PAAm-magnetic > GA/PAAm/GR-magnetic > GA/PAAm > GA/PAAm/GR. The thermal stability of the magnetic nanocomposite was higher than non-magnetic one. The mechanical properties were determined using nanoindentation. The elastic modulus and the hardness of GA/PAAm matrix increased by adding GR and GR-magnetic in the nanocomposites.
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Mahmoud, G.A., Ezz El-Din, M.R., Saad, E.A. et al. Characterization and Properties of Magnetic and Non-magnetic (Gum Acacia/Polyacryamide/Graphene) Nanocomposites Prepared by Gamma Irradiation. J Inorg Organomet Polym 28, 2633–2644 (2018). https://doi.org/10.1007/s10904-018-0901-0
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DOI: https://doi.org/10.1007/s10904-018-0901-0