石墨烯气凝胶复合防火织物的热防护性能

doi:10.13475/j.fzxb.20190302907

纺织学报 ›› 2020, Vol. 41 ›› Issue (04): 117-122.doi: 10.13475/j.fzxb.20190302907

石墨烯气凝胶复合防火织物的热防护性能

高珊¹, 卢业虎¹^,²^,³(), 张德锁¹, 吴雷¹, 王来力²

1.苏州大学纺织与服装工程学院, 江苏苏州 215006
2.浙江理工大学浙江省服装工程技术研究中心, 浙江杭州 310018
3.南通纺织丝绸产业技术研究院, 江苏南通 226300

收稿日期:2019-03-12 修回日期:2019-12-30 出版日期:2020-04-15 发布日期:2020-04-27
通讯作者: 卢业虎
作者简介:高珊(1995—),女,硕士生。主要研究方向为热防护服材料。
基金资助:
浙江省服装工程技术研究中心开放基金项目(2018FZKF03);苏州市科技计划重点产业技术专项(SYG201812);南通市科技计划项目(JC2018039)

Thermal protective performance of composite flame retardant fabrics treated by graphene aerogel

GAO Shan¹, LU Yehu¹^,²^,³(), ZHANG Desuo¹, WU Lei¹, WANG Laili²

1. College of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu 215006, China
2. Clothing Engineering Research Center of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
3. Nantong Textile and Silk Industrial Technology Research Institute, Nantong, Jiangsu 226300, China

Received:2019-03-12 Revised:2019-12-30 Online:2020-04-15 Published:2020-04-27
Contact: LU Yehu

摘要/Abstract

摘要：

为进一步提高热防护服的综合性能,使其满足高防护性兼具低热蓄积的需求,利用改进的Hummers法制备了一种密度小、导热率低、隔热效果好的石墨烯气凝胶材料,并研发复合防火织物系统,在低辐射热环境下探讨不同厚度的石墨烯气凝胶的隔热效果。结果表明:加入石墨烯气凝胶的复合防火织物具有较好的热防护性能,可将人体产生热损伤的时间延长约203%,将人体产生二度烧伤的防护时间延长约218%,防火织物的防护性能与石墨烯气凝胶的厚度呈非线性关系;石墨烯气凝胶复合防火织物的平均透湿率保持在10.4 g/(m²·24 h),与复合防火织物的透湿性没有显著差异,石墨烯气凝胶的加入不影响防火织物整体的透湿性。

关键词: 石墨烯气凝胶, 防火织物, 热防护性能, 空气层, 改进的Hummers法

Abstract:

To further improve the comprehensive performance of thermal protective clothing and meet the needs of increasing thermal protection with reduced heat storage, a type of graphene aerogel material with low density, low thermal conductivity and good heat insulating property was prepared by the modified Hummers method, and a composite flame retardant fabric system was constructed. The thermal protective performance of graphene aerogel with different thickness was measured in a low radiation condition. The results show that the flame retardant composite fabrics with graphene aerogel block provides better thermal protective performance, with the time required to cause skin damage extending about 203% and the time required to generate skin burn extending about 218%. It is found that the relationship between the thermal protective performance and the graphene aerogel thickness is not linear. The water vapor transfer of the flame retardant composite fabrics with graphene aerogel block is around 10.4 g/(m²·24 h), presenting no significant difference compared to fabrics untreated by graphene aerogel.

Key words: graphene aerogel, flame retardant fabric, thermal protective performance, air layer, modified Hummers method

中图分类号:

TS941.73

高珊, 卢业虎, 张德锁, 吴雷, 王来力. 石墨烯气凝胶复合防火织物的热防护性能[J]. 纺织学报, 2020, 41(04): 117-122.

GAO Shan, LU Yehu, ZHANG Desuo, WU Lei, WANG Laili. Thermal protective performance of composite flame retardant fabrics treated by graphene aerogel[J]. Journal of Textile Research, 2020, 41(04): 117-122.

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位置	织物层	成分	组织结构	面密度/(g·m^-2)	厚度/mm
外层	防火层	芳纶1313/芳纶1414(98/2)	斜纹	193.7	0.49
中层	防水透气层	芳纶1313基布、聚四氟乙烯膜	层压	108.3	0.70
内层	隔热层	芳纶1313毡和基布	针刺	200.0	0.43

织物编号	达到12 ℃ 时间/s	达到24 ℃ 时间/s	达到最高体感温度时间/s	体感最高温度/℃	体感最大温升/℃
0^#	10.20	20.40	85.50	129.20	106.00
1^#	26.60	58.70	109.60	73.60	47.80
2^#	32.70	64.00	115.50	68.50	42.90
3^#	28.80	55.60	113.00	77.70	51.80
4^#	19.70	46.60	110.10	107.51	72.88
5^#	31.40	83.90	143.21	62.12	37.68
6^#	27.50	96.40	149.90	58.32	30.45
7^#	40.63	79.41	138.02	66.80	32.87
8^#	38.96	85.23	125.72	65.35	31.84
9^#	41.22	88.24	138.43	64.89	32.02

试样名称	凝胶层厚度/mm	蒸发量/g
试样名称	凝胶层厚度/mm	1 h	2 h	3 h	4 h	5 h	6 h	24 h
石墨烯气凝胶	6	0.083	0.013	0.017	0.018	0.020	0.019	0.345
	8	0.011	0.037	0.042	0.025	0.029	0.028	0.450
	10	0.036	0.018	0.042	0.025	0.029	0.026	0.448
石墨烯气凝胶复合防火织物	6	0.007	0.014	0.018	0.020	0.020	0.022	0.385
	8	0.007	0.012	0.017	0.017	0.019	0.026	0.366
	10	0.006	0.017	0.025	0.026	0.029	0.031	0.558
空白对照组(0^#)		0.010	0.015	0.018	0.019	0.021	0.017	0.342

石墨烯气凝胶复合防火织物的热防护性能

Thermal protective performance of composite flame retardant fabrics treated by graphene aerogel

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