Comparative Study on the Properties of Natural Rubber Composites Containing Kaolin and Calcined Kaolin and on the Possibilities to Apply Thereof as Antenna Substrates

International Journal of Material Science and Engineering

© 2018 by SSRG - IJMSE Journal

Volume 4 Issue 3

Year of Publication : 2018

Authors : Abdullah G. Al-Sehemi, Ahmed A. Al-Ghamdi, Nikolay T. Dishovsky, P. Malinova, Nikolay T. Atanasov and Gabriela L. Atanasova

10.14445/23948884/IJMSE-V4I3P102

How to Cite?

Abdullah G. Al-Sehemi, Ahmed A. Al-Ghamdi, Nikolay T. Dishovsky, P. Malinova, Nikolay T. Atanasov and Gabriela L. Atanasova, "Comparative Study on the Properties of Natural Rubber Composites Containing Kaolin and Calcined Kaolin and on the Possibilities to Apply Thereof as Antenna Substrates," SSRG International Journal of Material Science and Engineering, vol. 4,  no. 3, pp. 8-22, 2018. Crossref, https://doi.org/10.14445/23948884/IJMSE-V4I3P102

Abstract:

 The idea of combining the advantages of ceramic and polymer materials is not new. But it has become more and more important in recent years because of the improvement of various electronic devices that, in addition to improved parameters, have good mechanical resistance and flexibility. The aim of our study is to obtain composites based on natural rubber(NR) and fillers - standard and three types of calcined kaolin with different particle sizes and in-depth study of their vulcanization characteristics, physico-mechanical, electrical and dielectric properties. A promising application of the developed composites is in the field of wireless communications. For this purpose, a flexible multilayer antenna was prepared in which the composite NR-CK1.3, exhibiting the best dielectric properties, was used as the substrate and insulating layers. The antenna shows much better matching in the frequency ranges of 2.4-2.7 GHz and 5.1-5.4 GHz, compared to cases where thesubstrates are based on unfilled nitrile butadiene rubber.

Keywords:

Kaolin and Calcined Kaolin, Natural Rubber Composites, Physico-mechanical properties, Electrical and dielectric properties

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