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Design of Radiofrequency Protective Clothing Containing Silver Nanoparticles

Research and development

Authors:

  • Vojtech Lukas
    Department of Telecommunication Engineering, Czech Technical University in Prague, Prague, Czech Republic
  • Neruda Marek (j/w)

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Abstract:

Electromagnetic shielding materials find use not only in electrical device construction, but also in personnel protective aids constructions for fitters and maintenance workers of power devices under operation. Standards for the effects of electromagnetic fields are published and producers manufacture protective aids, suits, etc. especially for antenna systems in microwave frequency bands, whose power levels of electromagnetic fields exceed the hygiene limits required. However, the performance of protective clothing applications is still discussed in the radio frequency band. Research of textile material properties shows different ways of producing conductive material, most of which embody some disadvantage considering protective clothing construction, i.e. versatility, peeling, etc. However, using silver nanoparticles increases product manufacture qualities. Therefore the paper focuses on a proposal for a construction design of a protective clothing structure using silver nanoparticles, standardisation of the effects of electromagnetic fields, as well as measurement and simulations of such material. The results show satisfactory values of electromagnetic shielding efficiency, i.e. about 40 dB (30 MHz – 1.5 GHz). Considering the most unprotected parts, i.e. eyes, mouth and nose, measurement results of hoods reach about 15 dB. Our experiments show that protective clothing can be manufactured from textile material with silver nanoparticles and with breathable and transparent material which protects the eyes, mouth and nose.

Tags:

clothing design, electromagnetic fields influence, shielding efficiency, silver
nanoparticles.

Citation:

Vojtech L, Neruda M. Design of Radiofrequency Protective Clothing Containing Silver Nanoparticles. FIBRES & TEXTILES in Eastern Europe 2013; 21, 5(101): 141-147.

Published in issue no 5 (101) / 2013, pages 141–147.

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