Abstract
In this work, nanoparticle vermiculite clay was prepared by acid treated with hydrochloric acid at room temperature for and dried at 300 °C for different time intervals. The untreated (VMT) and acid-treated (DVMT) vermiculite clay were characterized by X-ray diffraction (XRD), FT-IR, and transmission electron microscopy. The DVMT and maleic anhydride (MA) at different concentrations (parts per hundred of rubber) were mixed with styrene–butadiene rubber (SBR) to obtain SBR/DVMT/MA nanocomposites. The SBR/VMT composites and SBR nanocomposites were subjected to gamma irradiation at different doses from 25 to 150 kGy. As a comparison, the gamma-irradiated SBR composites with VMT and nanocomposites with DVMT/MA were characterized in terms of XRD, physico-chemical and thermal properties. The results indicated that the incorporation of DVMT nanoparticles and MA improved the physico-chemical and thermal properties of the SBR/clay nanocomposite. The improvement was achieved when the contents of both DVMT and MA were 10 phr and irradiation dose of 100 kGy.
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The author would like to thank Prof. Abdel Wahab M. El-Naggar, Radiation Chemistry Department, National Center for Radiation Research and Technology, Egyptian Atomic Energy Authority for the supervision and practical support under the MSc thesis of the Chemist Saleh N. Saleh.
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El-Nemr, K.F., Ali, M.A.M., El-Sayed, S.N. et al. Physical and chemical properties of gamma-irradiated styrene–butadiene rubber/vermiculite clay nanocomposites modified using maleic anhydride. Polym. Bull. 75, 3587–3606 (2018). https://doi.org/10.1007/s00289-017-2227-4
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DOI: https://doi.org/10.1007/s00289-017-2227-4