JOURNAL OF TEXTILE RESEARCH ›› 2015, Vol. 36 ›› Issue (09): 82-88.

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Effects of light and moisture on performance of fabrics for firefighter protective clothing

  

  • Received:2014-06-23 Revised:2015-04-26 Online:2015-09-15 Published:2015-09-14

Abstract:

For the purpose of studying the effects of complex environmental factors on performance of firefighter protective clothing, light and moisture aging experiment was designed and surface color difference, physical and mechanical properties and thermal protective performance were evaluated in laboratory tests. The results reveal that fabric color burns with increasing photoaging time, and color difference value increases with increasing wetting degree(P<0.05). The longer exposure to light, the lower tear strength the fabrics have (P<0.001). PBI fabric has the best retention of tear strength, about 65%, while domestic aramid fabric’s is about 50%, whose warp one is below standard after 60-minutes photoaging. The effect of photoaging on breaking strength is not significant. With the wetting degree increasing, physical strength of fabrics decrease significantly (P<0.001), and the maximum reduction ratio of tear strength among samples reaches 55.14% in the state of saturated wetting. However, both of photoaging and wetting treatments are beneficial to improve thermal protective performance.

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