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1 Przegląd Włókienniczy - Włókno, Odzież, Skóra

1 2016

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Opracowanie i weryfikacja założeń do konstrukcji aktywnych układów materiałów przeznaczonych na odzież chroniącą przed czynnikami gorącymi

Bartkowiak G., Dąbrowska A., Okrasa M.

Przegląd Włókienniczy - Włókno, Odzież, Skóra

2016

nr 1

25--30

Active clothing with protective properties adjusting to the level of hazards can be adopted at many workplaces e.g. in metallurgy. In particular, it concerns situations when the worker is not exposed constantly to the high level of hazardous factors, but only periodically e.g. during tlie inspection works. Therefore, a model of active clothing protecting against heat and flame is under the development within a project conducted in the CIOP-PIB. In this paper, assumptions fora construction of active textile systems intended for clothing protecting against heat and flame are presented and verified on a basis of laboratory tests. Tests of a resistance of textile systems to the radiant heat, as well as convective heat from the flame, indicated that implementation of distancing elements between the textile layers caused a creation of insulating air gap and as a consequence - an improvement of the selected protective properties. On a basis of test results, the most advantageous variant of materials with distancing elements has been chosen. For this variant, 80.0% increase of protective properties against radiant heat, and 74.3% increase against convective heat, have been achieved. These results confirm the correctness of undertaking research works aimed at the development of active protective clothing with shape memory elements for an improvement of safety and comfort at work in conditions of heat and flame hazards.