Vliv dlouhodobého užívání na zapalitelnost textilií zásahových oděvů

Abstract

This bachelor’s thesis examines the flammability of textiles used in firefighters’ protective clothing and the effects of their long-term use. The topic was chosen in light of the importance of protective clothing for the safety of firefighters, who are exposed to extreme conditions during operations. The aim of the thesis is to experimentally verify the flammability of selected textile materials and to compare the properties of new and degraded samples. In the experimental section, the new material was subjected to controlled degradation through repeated washing and thermal stress. Subsequently, the flammability, flame spread, and mechanical properties of the material were evaluated. The results show that the tested textiles exhibit very good resistance to ignition and flame spread, even after simulated long-term use. No significant effect of degradation on the flammability or strength of the material was found. Differences were observed primarily depending on the dyeing technology. This work can serve as a basis for further research in the field of protective textiles.

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Subject(s)

aramid fibers, flammability (ČSN EN ISO 6940), flame spread rate (ČSN EN ISO 6941), yarn-dyed fabric, piece-dyed fabric, textile degradation

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