Fabrication and Characterization of an NBR-Based Nano Composite Shield for Protection Against Nonthermal Effects of Radar Electromagnetic Radiation

Document Type : Original Article

Authors

1 Science and technology center of excellence, Egypt.

2 Faculty of Science, Al-Azhar University.

3 Saqr Factory for Advanced Industries, Arab Organization for Industrialization, Egypt.

4 Department of Chemical Engineering, Military Technical College (MTC), Cairo, Egypt.

10.1088/1757-899X/975/1//iccee.2025.460391

Abstract

The increasing use of radar systems has raised concerns about the non-thermal effects of electromagnetic radiation (EMR) on biological systems, prompting the need for effective shielding solutions. This study presents a NBR-based nanocomposite shield reinforced with multi-walled carbon nanotubes (MWCNTs 2 wt.%), graphene oxide (GO), silver nanoparticles (Ag, 2 wt%), and zinc oxide nanoparticles (ZnO, 3 wt.%) as protecting agent. The composite was fabricated using a two-roll milling and compression molding process, followed by characterization via X-ray diffraction (XRD), scanning electron microscopy (SEM), and EMI Shielding Efficiency Across Frequency Range. The nanocomposite demonstrated an electromagnetic interference (SE) shielding efficiency of up to 85–90% in the X-band frequency range (1–12 GHz). This high efficiency is attributed to the synergistic absorption and reflection mechanisms facilitated by the conductive network formed by multi-walled carbon nanotubes and graphene oxide within the NBR matrix. Under simulated radar electromagnetic radiation exposure, the shield significantly reduced non-thermal effects, including oxidative stress and infertility risk, compared to unshielded samples. In addition, the composite exhibited robust mechanical properties, ensuring its suitability for practical applications in protective devices. This research highlights the potential of NBR-based nanocomposites as versatile materials for mitigating the harmful non-thermal effects of radar electromagnetic radiation. These findings pave the way for innovative advances in personal protective equipment and environmental protection technologies, providing effective solutions to address the growing concerns associated with electromagnetic radiation exposure.

Keywords

The International Conference on Chemical and Environmental Engineering
Volume 13, Issue 13
13th International Conference on Chemical and Environmental Engineering (ICEE-13).
October 2025
Pages 1-10

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