EXPOSURE ANALYSIS OF ELECTROMAGNETIC SHIELD EFFECT OF A COPPER COMPOSITE CLOTH STRUCTURE

Year 2020, Volume: 30 Issue: 2, 138 - 143, 28.06.2020

Bosiljka šaravanja Krešimir Malarić Tanja Pušić Darko Ujević

https://doi.org/10.32710/tekstilvekonfeksiyon.628905

Abstract

The electromagnetic (EM) protection factor is defined as a ratio of EM
field intensity measured without the shielding material and field intensity
with the shielding material placed between EM radiation source and receiver.
This research is focused on SE durability of a composite cloth structure, where
the functional interlining polyamide fabric coated with copper IF was
integrated, after exposure to heat and moisture in steam-setting, ironing and
double compressing. The cloth composite structure was also exposed to solvent
in dry cleaning. It was proved that a synergy of thermal and mechanical actions
in ironing and pressing caused a drop of SE in the frequency range from 0.9 to
2.4 GHz. Increased number of dry cleaning cycles resulted in further reduction
of protective properties. Cross section and chemical analysis of IF before and
after 10 dry cleaning cycles are not harmonized with low durability of SE
properties in dry cleaning. 

Keywords

composite, cloth, structure, interlining fabric, electromagnetic shield

Project Number

IP-2018-01-70128

Thanks

This work has been supported in part by Croatian Science Foundation.

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