Aerogel nonwoven as reinforcement and batting material for firefighter's protective clothing: a comparative study

Shaid, A, Wang, L, Padhye, R and Bhuiyan, M 2018, 'Aerogel nonwoven as reinforcement and batting material for firefighter's protective clothing: a comparative study', Journal of Sol-Gel Science and Technology, vol. 87, no. 1, pp. 95-104.


Document type: Journal Article
Collection: Journal Articles

Title Aerogel nonwoven as reinforcement and batting material for firefighter's protective clothing: a comparative study
Author(s) Shaid, A
Wang, L
Padhye, R
Bhuiyan, M
Year 2018
Journal name Journal of Sol-Gel Science and Technology
Volume number 87
Issue number 1
Start page 95
End page 104
Total pages 10
Publisher Springer
Abstract Aerogel, the most insulated solid known to modern science, is gradually expanding its field of application from space shuttle to normal clothing. So far, apparel use of aerogel nonwoven has been successfully commercialized in case of cold weather clothing. Use of aerogel in high heat protective clothing is much complex as it requires to balance comfort with protection. This paper studied the protective performance of aerogel nonwoven in a high heat protective apparel, firefighter's protective clothing (FPC). An investigation was carried out to justify its use as reinforcement material and/or batting in thermal liner or moisture barrier of FPC. Impressive results were observed in case of reducing the risk of burn injury, increasing comfort and enhancing protection. It was observed that aerogel nonwoven can provide eight times more thermal resistance than existing commercial reinforcement material and existing thermal batting material. When the aerogel nonwoven layer was used as thermal liner, it offered five times more resistance to heat than existing thermal liner and three times more resistance than combined performance of existing thermal liner and moisture barrier. The possible burn injury under 49 N compressive load was predicted on a 200 °C heated surface. It was found that the temperature behind the commercial reinforcement material quickly raised above 70 °C within 30 s of contact, while it took more than 4 min to reach the same temperature for proposed aerogel reinforcement material. This indicates that a firefighter will receive instant burn on contact in 30 s if only the commercial reinforcement material is used. It was measured that, without any reinforcement material even when only the aerogel nonwoven is used instead of current batting material, a firefighter will have 86 s before feeling any pain, 107 s before receiving first-degree burn and will have 2 and half minutes before theoretically receiving second-degree burn at the same condition.
Subject Textile Technology
Keyword(s) Aerogel
Firefighter clothing
Nonwoven
Textiles
Thermal protection
DOI - identifier 10.1007/s10971-018-4689-8
Copyright notice © Springer Science+Business Media, LLC, part of Springer Nature 2018
ISSN 0928-0707
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