Results of investigations of the reflection and transmission coefficients of flat specimens made from multifunctional composite polyurethane-based materials with fillers of three types: channel black K-163, colloidal graphite preparation С-1, and elemental graphite GE-3 are presented in teraherz frequency range. The calculated complex dielectric permittivity in this frequency range is presented. It is demonstrated that specimens with carbon filler content of 10 mass% and higher effectively reflect teraherz electromagnetic radiation, and specimens with filler content of 5 mass%, can be used as radio absorbing coatings. The feasibility of application of these materials for heating elements of press plates is analyzed.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 80–83, August, 2014.
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Malinovskaya, T.D., Suslyaev, V.I., Melentyev, S.V. et al. Electrophysical and Thermophysical Characteristics of a Multifunctional Composite Polyurethane-Based Material. Russ Phys J 57, 1094–1098 (2014). https://doi.org/10.1007/s11182-014-0348-x
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DOI: https://doi.org/10.1007/s11182-014-0348-x