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Polymer Science, Series A
Erschienen in: Polymer Science, Series A 6/2020

01.11.2020 | COMPOSITES

Synthesis and Optimization of Thermoplastic Polyurethane/Polyaniline/Ferrite Cobalt Composite as an Effective Absorber in X-Band Region

verfasst von: Momeni Ahmad, Ghadi Arezoo, Fazaeli Reza, Khavarpour Maryam

Erschienen in: Polymer Science, Series A | Ausgabe 6/2020

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Abstract

In this study, shielding effectiveness for a few composite films was examined. Composites were prepared by combining thermoplastic polyurethane, polyaniline and ferrite cobalt. The composites were synthesized in several steps by the hydrothermal and melt blending method. Different tests were performed to characterize ferrite cobalt, polyaniline/ferrite cobalt and final ternary composite. The effect of weight percentage of each component, the thickness of composite on electromagnetic interference shielding effectiveness was studied. The sample with an average of 36.7 dB in the X-band had the best performance and the highest amount at 10.9 GHz was achieved (SET = 41.83). The results showed that absorption and reflection had two effective mechanisms for shielding. Also, the absorption coefficient with 78% of total shielding effectiveness was highest and polyaniline had a significant role in the absorption mechanism. Besides, the thickness was a key factor for production of wave-absorbent composites. Finally, by using the design-expert software, optimization was performed to achieve the SET ≥ 20 and it was found that the composite should have the following parameters: ferrite cobalt content in polyaniline (16.25 wt %), polyaniline/ferrite cobalt content in thermoplastic polyurethane (63.66 wt %) and a thickness of 1.22 mm.
Vorheriger Artikel Characterizing Attapulgite-Reinforced Nanocomposites of Poly(lactic acid)
Nächster Artikel Optimization of Conditions of Polymer Separation by Hydrodynamic Chromatography

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Metadaten
Titel
Synthesis and Optimization of Thermoplastic Polyurethane/Polyaniline/Ferrite Cobalt Composite as an Effective Absorber in X-Band Region
verfasst von
Momeni Ahmad
Ghadi Arezoo
Fazaeli Reza
Khavarpour Maryam
Publikationsdatum
01.11.2020
Verlag
Pleiades Publishing
Erschienen in
Polymer Science, Series A / Ausgabe 6/2020
Print ISSN: 0965-545X
Elektronische ISSN: 1555-6107
DOI
https://doi.org/10.1134/S0965545X20330019

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