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Mechanical Properties and EMI-Shielding Efficiencies of Graphite and Iron(II) Oxide-Filled Polypropylene and Polyethylene-Based Polymer Composites

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Characterization of Minerals, Metals, and Materials 2024 (TMS 2024)

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Abstract

In this study, polypropylene (PP), polyethylene (PE), PP/PE blends containing graphite (1–3 wt.%) and FeO (10–30 wt.%) fillers were prepared using a melt mixing method. The effects of graphite and iron oxide amount on the mechanical properties and electromagnetic interference (EMI) shielding efficiency in the frequency range of 8–12 GHz (X-band) were investigated. The tensile strength value of the PP/graphite/FeO (1:10) sample increased from 26.09 to 32.47 MPa with the increase of the graphite/FeO amount to 3:30 in wt.%. Maximum total shielding efficiencies of SET ~ 39.35 dB and 38.31 dB could be observed respectively with a corresponding frequency value of 12.2 GHz for PE and PP polymer mixture filled with 3 wt.% graphite and 30 wt.% FeO with a thickness of 4 mm. The results obtained from the EMI shielding measurements showed that the total EMI SE increased synergistically with increasing FeO/graphite hybrid filler amount for each polymer composition.

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Correspondence to Hülya Kaftelen-Odabaşı .

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Kaftelen-Odabaşı, H., Khakberdiev, E., Odabaşı, A., Helhel, S. (2024). Mechanical Properties and EMI-Shielding Efficiencies of Graphite and Iron(II) Oxide-Filled Polypropylene and Polyethylene-Based Polymer Composites. In: Peng, Z., et al. Characterization of Minerals, Metals, and Materials 2024. TMS 2024. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-031-50304-7_24

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