Effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures

Abstract Electromagnetically shielding textile materials, especially in professional or ordinary clothing, are used to protect an implanted pacemaker in the body. Alternatively, traditional textiles are known for their non-conductivity and transparency to an electromagnetic field. The main goal of t...

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Autores principales:	Sundaramoorthy Palanisamy, Veronika Tunakova, Jiri Militky, Jakub Wiener
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/731907a8f8ac4659a82a0b604f07def6
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spelling	oai:doaj.org-article:731907a8f8ac4659a82a0b604f07def62021-12-02T16:53:11ZEffect of moisture content on the electromagnetic shielding ability of non-conductive textile structures10.1038/s41598-021-90516-92045-2322https://doaj.org/article/731907a8f8ac4659a82a0b604f07def62021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90516-9https://doaj.org/toc/2045-2322Abstract Electromagnetically shielding textile materials, especially in professional or ordinary clothing, are used to protect an implanted pacemaker in the body. Alternatively, traditional textiles are known for their non-conductivity and transparency to an electromagnetic field. The main goal of this work was to determine whether the high moisture content (sweat) of the traditional textile structure significantly affects the resulting ability of the material to shield the electromagnetic field. Specifically, whether sufficient wetting of the traditional textile material can increase its electrical conductivity to match the electrically conductive textiles determined for shielding of the electromagnetic field. In this study, cotton and polyester knitted fabric samples were used, and two liquid medias were applied to the samples to simulate human sweating. The experiment was designed to analyse the factors that have a significant effect on the shielding effectiveness that was measured according to ASTM D4935. The following factors have a significant effect on the electromagnetic shielding effectiveness of moisturised fabric: squeezing pressure, drying time and type of liquid media. Additionally, the increase of electromagnetic shielding was up to 1 dB at 1.5 GHz frequency at the highest level of artificial sweat moisturised sample.Sundaramoorthy PalanisamyVeronika TunakovaJiri MilitkyJakub WienerNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Sundaramoorthy Palanisamy Veronika Tunakova Jiri Militky Jakub Wiener Effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures
description	Abstract Electromagnetically shielding textile materials, especially in professional or ordinary clothing, are used to protect an implanted pacemaker in the body. Alternatively, traditional textiles are known for their non-conductivity and transparency to an electromagnetic field. The main goal of this work was to determine whether the high moisture content (sweat) of the traditional textile structure significantly affects the resulting ability of the material to shield the electromagnetic field. Specifically, whether sufficient wetting of the traditional textile material can increase its electrical conductivity to match the electrically conductive textiles determined for shielding of the electromagnetic field. In this study, cotton and polyester knitted fabric samples were used, and two liquid medias were applied to the samples to simulate human sweating. The experiment was designed to analyse the factors that have a significant effect on the shielding effectiveness that was measured according to ASTM D4935. The following factors have a significant effect on the electromagnetic shielding effectiveness of moisturised fabric: squeezing pressure, drying time and type of liquid media. Additionally, the increase of electromagnetic shielding was up to 1 dB at 1.5 GHz frequency at the highest level of artificial sweat moisturised sample.
format	article
author	Sundaramoorthy Palanisamy Veronika Tunakova Jiri Militky Jakub Wiener
author_facet	Sundaramoorthy Palanisamy Veronika Tunakova Jiri Militky Jakub Wiener
author_sort	Sundaramoorthy Palanisamy
title	Effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures
title_short	Effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures
title_full	Effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures
title_fullStr	Effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures
title_full_unstemmed	Effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures
title_sort	effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/731907a8f8ac4659a82a0b604f07def6
work_keys_str_mv	AT sundaramoorthypalanisamy effectofmoisturecontentontheelectromagneticshieldingabilityofnonconductivetextilestructures AT veronikatunakova effectofmoisturecontentontheelectromagneticshieldingabilityofnonconductivetextilestructures AT jirimilitky effectofmoisturecontentontheelectromagneticshieldingabilityofnonconductivetextilestructures AT jakubwiener effectofmoisturecontentontheelectromagneticshieldingabilityofnonconductivetextilestructures
_version_	1718382866341036032

Effect of moisture content on the electromagnetic shielding ability of non-conductive textile structures

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