Journal of Textile Research ›› 2020, Vol. 41 ›› Issue (11): 116-121.doi: 10.13475/j.fzxb.20200304706

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Investigation on factors influencing thermal protection of composite flame retardant fabrics treated by graphene aerogel

MENG Jing1, GAO Shan1, LU Yehu1,2()   

  1. 1. College of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu 215006, China
    2. Wujiang Wanwang Textile Co., Ltd., Suzhou, Jiangsu 215226, China
  • Received:2020-03-17 Revised:2020-08-03 Online:2020-11-15 Published:2020-11-26
  • Contact: LU Yehu E-mail:yhlu@suda.edu.cn

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Abstract:

To improve the comprehensive performance of thermal protective clothing and meet the needs of increasing thermal protection and reducing heat stress, a graphene aerogel composite fabrics system was developed. Based on different evaluation indices, the effects of mass fraction of graphene oxide solution during preparaton, thickness, and carbon fiber content of graphene aerogel on thermal protection of composite fabric system were investigated in a low radiation condition. The results show that the composite fabric system with graphene aerogel provides better thermal protective performance, with the time required to cause skin damage extending 165%-318%, the time required to generate skin burn prolonging for about 87%-225%, and the maximum temperature rise reducing 35.6%-63.9%. There are interactions among the three influencing factors for the indices time for temperature rise of 12 ℃, time for temperature rise of 24 ℃ and the maximum temperature rise. Whilst the time to reach maximum temperature has no interaction with the three factors, the effect of carbon fiber content is significant.

Key words: graphene aerogel, thermal protective clothing, thermal protective performance, carbon fiber, composite fabric

CLC Number: 

  • TS941.73

Tab.1

Basic properties of fabrics"

面料层 成分 组织
结构		 面密度/
(g·m-2)		 厚度/
mm
防火外层 芳纶1313/芳纶
1414(98/2)		 斜纹 193.7 0.49
防水透气层 100%芳纶1313和
聚四氟乙烯膜		 层压 108.3 0.70
隔热层 100%芳纶1313毡
和基布		 针刺 200.0 0.43

Tab.2

Sample design table for test"

氧化石墨
质量分数/%		 石墨烯气
凝胶厚度/
mm		 样品编号
石墨烯气凝胶中
不添加碳纤维		 石墨烯气凝胶中
添加碳纤维
5 6 1# 2#
8 3# 4#
10 5# 6#
7 6 7# 8#
8 9# 10#
10 11# 12#
10 6 13# 14#
8 15# 16#
10 17# 18#

Tab.3

Intersubjective effect test of factors"

源 温升12 ℃的
时间(t12)P值		 温升24 ℃的
时间(t24)P值
氧化石墨烯质量分数 0.380 0.106
石墨烯气凝胶厚度 0.000** 0.009**
是否添加碳纤维 0.000** 0.327
质量分数×碳纤维 0.000** 0.002**
质量分数×厚度 0.026* 0.018*
碳纤维×厚度 0.674 0.100
质量分数×厚度×碳纤维 0.058 0.096

Fig.1

Comparison of heating time for fabric systems with or without carbon fiber"

Fig.2

Comparison of heating time for fabric systems with different mass fractions of graphene oxide"

Fig.3

Comparison of heating time for fabric systems with different graphene aerogel thickness"

Fig.4

Comparison of the maximum temperature rise"

Fig.5

Time to reach maximum temperature"

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