耐高温表层材料选择及层合后隔热性对比分析

doi:10.16265/j.cnki.issn1003-3033.2019.04.020

中国安全科学学报 ›› 2019, Vol. 29 ›› Issue (4): 127-132.doi: 10.16265/j.cnki.issn1003-3033.2019.04.020

耐高温表层材料选择及层合后隔热性对比分析

李晓琳^1,2, 于伟东^**1,2 教授

1 东华大学纺织学院,上海 201620;
2 东华大学纺织面料技术教育部重点实验室,上海 201620

收稿日期:2018-12-19 修回日期:2019-02-25 出版日期:2019-04-28 发布日期:2020-11-04
通讯作者: ** 于伟东(1956—),男,博士,教授,主要从事防护材料和智能纤维材料等方面的研究。E-mail:wdyu@dhu.edu.cn。
作者简介:李晓琳 (1994—),女,湖南郴州人,硕士研究生,研究方向为纺织材料与纺织品设计。E-mail:18817828674@126.com。
基金资助:
国家重点研发计划项目(2016YFC0802802)。

Selection of surface materials for high temperature insulation and comparative analysis of heat insulation performance after lamination

LI Xiaolin^1,2, YU Weidong^1,2

1 College of Textiles, Donghua University,Shanghai 201620, China;
2 Key Laboratory of Textile Science & Technology, Donghua University, Shanghai 201620, China

Received:2018-12-19 Revised:2019-02-25 Online:2019-04-28 Published:2020-11-04

摘要/Abstract

摘要： 为保障消防员的人身安全,满足避火服的高温耐火隔热需求,分别选择厚度为6.5和 7.0 μm 的铝箔与玄武岩基布和玻璃纤维基布复合制备得到耐高温隔热材料,通过热重(TG)分析仪测试基布和复合材料的热稳定性能;采用光谱仪测试单反射层和其层合后的反射、透射性能;使用织物绝热测试装置研究层合后材料的耐热冲击性能。结果表明:6.5 μm铝箔在全波段(240～2 600 nm)的平均反射率为90.34%,透射率为0.023%;7.0 μm铝箔+玄武岩布在全波段的平均反射率最高为90.23%,透射率为0.025%;在火焰热冲击测试中6.5 μm铝箔+玄武岩布的耐热冲击性能最好,能在600～800 ℃高温环境下维持400 s,试样正反表面平均温差为511 ℃,是很好的隔热材料。

关键词: 隔热材料, 耐高温, 铝箔, 玄武岩织物, 玻璃纤维织物

Abstract: In order to meet the requirements of fire resistant and heat insulation funtions of fire protection clothing and protect firemen's personal safety, 6.5 μm and 7.0 μm aluminum foils were combined with basalt and glass fiber to prepare heat-resistant and heat-insulating materials. The thermal stability of base cloth and composites was tested by thermogravimetric (TG) analyzer. The reflection and transmission performance of single reflection layer and its interlayer were tested by spectrometer, and performance of thermal shock resistance of laminated materials was studied by using fabric adiabatic test devices. The results show that the average reflectivity and transmittance of 6.5 μm aluminum foil in all band (240-2 600 nm) are 90.34% and 0.023% respectively, that the average reflectivity of 7.0 μm aluminum foil and basalt fabric composite is 90.23% and the transmittance is 0.025%, and that in flame thermal shock tests, 6.5 μm aluminum foil and basalt fabric composit has the best performace of thermal shock resistance which can hold for 400 seconds at 600-800 ℃ high temperature, and the average temperature difference between the positive and negative surface of the sample is 511 ℃, which shows that 6.5 μm aluminum foil and basalt fabric composite is a good thermal insulation material.

Key words: heat insulating material, thermostability, aluminium foil, basalt fabric, glass fabric

中图分类号:

X968

李晓琳, 于伟东. 耐高温表层材料选择及层合后隔热性对比分析[J]. 中国安全科学学报, 2019, 29(4): 127-132.

LI Xiaolin, YU Weidong. Selection of surface materials for high temperature insulation and comparative analysis of heat insulation performance after lamination[J]. China Safety Science Journal, 2019, 29(4): 127-132.

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耐高温表层材料选择及层合后隔热性对比分析

Selection of surface materials for high temperature insulation and comparative analysis of heat insulation performance after lamination

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