Properties of composite materials absorbing electromagnetic waves on the styrene-butadiene-styrene copolymer matrix with EMCCO-201 filler

Andrzej Vogt; Jacek W. Kaczmar; Paulina Mayer; Aleksandra Brzostek; Leszek Nowosielski; Rafał Przesmycki

doi:10.14314/polimery.2020.7.6

Published : 2020-12-16

Vol. 65 No. 7-8 (2020)

Properties of composite materials absorbing electromagnetic waves on the styrene-butadiene-styrene copolymer matrix with EMCCO-201 filler

Andrzej Vogt Jacek W. Kaczmar Paulina Mayer Aleksandra Brzostek Leszek Nowosielski Rafał Przesmycki

DOI: https://doi.org/10.14314/polimery.2020.7.6

Abstract

In this paper, a manufacturing method for composite materials that absorb electromagnetic waves in the form of blends of EMCCO-201 with SBS (styrene-butadiene-styrene copolymer, trade name Kraton) is shown and the absorption characteristics of the prepared samples are discussed. The materials were manufactured on the basis of extrusion technology. The absorption characteristics of the tested materials were measured as a function of the testing signal angles of incidence. The samples were 300 × 300 mm, made of aluminum alloy sheet and covered with either absorption elements that were spheroids of diameters 1–2 mm and 3–4 mm made of 50 vol. % of EMCCO-201 with SBS (styrenebutadienestyrene) copolymer or pyramids with a 25 × 25 mm base and height of 50 mm made of epoxy resin covered by spraying with a layer of EMCCO-201 material without SBS copolymer. Absorption measurements were carried out in the frequency range from 3.0 to 11.0 GHz. The largest absorption of 5.5–6.0 dB at the frequency range of 7.0–10.0 GHz was obtained for samples with the epoxy resin pyramids of a square base 25 × 25 mm and height of 50 mm covered with a layer of EMCCO-201 material. The samples with the spheroids showed smaller absorption between 1–3 dB at the same frequency range.

Keywords

electromagnetic waves absorbing materials ; absorption measurements ; absorbing layers materiały absorbujące fale elektromagnetyczne ; pomiary absorpcji ; warstwy absorbujące

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Vogt, A., Kaczmar, J. W., Mayer, P., Brzostek, A., Nowosielski, L., & Przesmycki, R. (2020). Properties of composite materials absorbing electromagnetic waves on the styrene-butadiene-styrene copolymer matrix with EMCCO-201 filler. Polimery, 65(7-8), 542–549. https://doi.org/10.14314/polimery.2020.7.6

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Andrzej Vogt

Affiliation
University of Wroclaw, Department of Chemistry, Fryderyka Joliot-Curie 14, 50-383 Wroclaw, Poland

Jacek W. Kaczmar

Affiliation
Wroclaw University of Technology, Department of Lightweight Elements Engineering, Foundry and Automation, Wybrzeże Stanisława Wyspiańskiego 27, 50-370 Wroclaw, Poland.

Paulina Mayer paulina.mayer@pwr.edu.pl

Affiliation
Wroclaw University of Technology, Department of Lightweight Elements Engineering, Foundry and Automation, Wybrzeże Stanisława Wyspiańskiego 27, 50-370 Wroclaw, Poland.

Aleksandra Brzostek

Affiliation
Wroclaw University of Technology, Department of Lightweight Elements Engineering, Foundry and Automation, Wybrzeże Stanisława Wyspiańskiego 27, 50-370 Wroclaw, Poland.

Leszek Nowosielski

Affiliation
Military University of Technology, Faculty of Electronics, gen. Sylwestra Kaliskiego 2, 00-908 Warszawa 00-908 Warsaw, Poland

Rafał Przesmycki

Affiliation
Military University of Technology, Faculty of Electronics, gen. Sylwestra Kaliskiego 2, 00-908 Warszawa 00-908 Warsaw, Poland