Journal of Textile Research ›› 2019, Vol. 40 ›› Issue (05): 119-123.doi: 10.13475/j.fzxb.20180703105

• Apparel Engineering • Previous Articles     Next Articles

Thermal-moisture comfort of multilayered fabric systemsused as firefighting clothing

LIU Linyu1, CHEN Chengyi1, WANG Zhenyu1, ZHU Huan1, JIN Yanping1,2()   

  1. 1. Fashion College, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
    2. Clothing Engineering Research Center of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
  • Received:2018-07-12 Revised:2018-11-24 Online:2019-05-15 Published:2019-05-21
  • Contact: JIN Yanping E-mail:goldyp77@163.com

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Abstract:

In order to study the comfort of the firefighters' protective clothing fabrics and investigate the factors affecting the comfort of fabric combinations,11 types of fabrics commonly used in firefighters' protective clothing were selected to simulate the layered composition of fire fighting clothing, including outer shell, moisture barrier, thermal barrier and comfort lining. And the multilayer fabrics were tested and analyzed in thermal resistance, moisture resistance and total heat loss. The results show that the basic properties of selected fabric combinations meets the requirement of GA 10-2014, but heat-moisture comfort of the fabrics does not meet the American standard. The thermal resistance, moisture resistance and total heat loss of the fabric are all in line with its weight. The thermal resistance and moisture resistance increases with the weight, while the total heat loss decreases with the weight. The thickness of the air layer between fabric combinations has a greater influence on the thermal resistance of the fabric combinations. Multiple regression mathematical model was built for the water-vapor transmition rate, clo and total heat loss. It can be applied to evaluate the thermal moisture comfort of multilayer fabrics.

Key words: firefighters' protective clothing, thermal resistance, moisture resistance, total heat loss, thermal-moisture comfort

CLC Number: 

  • TS195.1

Tab.1

Structural parameters of each layer fabrics"

面料
编号		 原料成分 组织
结构		 面密度/
(g· m-2)		 厚度/
mm
A1 93%芳纶1313+5%芳纶1414+2%抗静电纤维 平纹 200 0.37
A2 100%芳纶1414 平纹 240 0.31
A3 100%芳纶1414 平纹 200 0.27
A4 100%芳纶1313 平纹 200 0.40
A5 外层:芳纶IIIA+芳纶1414+抗静电纤维
内层:芳纶1313+芳纶1414		 双层织物 225 0.52
A6 93%芳纶1313+5%芳纶1414+2%抗静电纤维 斜纹 210 0.43
A7 60%芳纶1313+40%芳纶1414 联合
组织		 240 0.55
A8 50%芳纶1313+50%耐高温纤维 斜纹 230 0.45
B1 80%芳纶1313+20%芳纶1414+PTFE膜 无纺
毡覆膜		 90 0.46
B2 80%芳纶1313+20%芳纶1414+PTFE膜 无纺
毡覆膜		 108 0.53
C 芳纶隔热毡+芳纶/阻燃粘胶底布 无纺毡与
平纹织物
缝合		 190 1.01

Tab.2

Test results of basic properties of fabrics"

面料编号 阻燃性能 断裂强力/N 织物
组合
编号		 织物
组合		 织物组合
TPP值/
(kW·s·m-2)		 织物
组合
厚度/
mm		 织物组合
面密度/
(g· m-2)
经向 纬向
损毁
长度/
mm		 续燃
时间/
s		 损毁
长度/
mm		 续燃
时间/
s		 经向 纬向
A1 11.0 0 16.0 0 1 119.0 784.50 1# A1/B1/C 29.6 1.96 512.27
A2 5.0 0 5.0 0 1 870.2 1 786.6 2# A2/B2/C 32.2 1.82 534.27
A3 5.0 0 5.0 0 1 954.1 1 749.0 3# A3/B1/C 31.6 1.86 501.96
A4 46.3 0 44.7 0 1 395.2 838.3 4# A4/B2/C 30.3 1.87 521.78
A5 8.0 0 27.7 0 1 537.9 1 070.8 5# A5/B1/C 31.9 2.16 540.27
A6 55.3 0 50.7 0 1 330.5 1 127.4 6# A6/B2/C 29.0 1.92 526.00
A7 18.3 0 9.7 0 1 776.6 1 265.5 7# A7/B1/C 30.4 2.12 549.96
A8 2.3 0 7.7 0 1 352.4 1 173.3 8# A8/B2/C 29.7 1.95 564.31
GA 10—2014标准 ≤100 ≤2 ≤100 ≤2 ≥650 ≥650 ≥28

Tab.3

Thermal resistance of single layer fabrics"

面料编号 克罗值/clo 热阻/(m2·K·W-1)
A1 0.12 0.019
A2 0.13 0.020
A3 0.13 0.020
A4 0.11 0.017
A5 0.14 0.022
A6 0.12 0.019
A7 0.14 0.022
A8 0.10 0.016
B1 0.12 0.019
B2 0.14 0.022
C 0.21 0.033

Tab.4

Thermal resistance of multi-layer fabrics"

织物组合
编号		 织物组合 克罗值/
clo		 实际热阻/
(m2·K·W-1)		 理论热阻/
(m2·K·W-1)
1# A1/B1/C 0.37 0.057 0.071
2# A2/B2/C 0.45 0.070 0.075
3# A3/B1/C 0.38 0.059 0.072
4# A4/B2/C 0.43 0.067 0.072
5# A5/B1/C 0.4 0.062 0.074
6# A6/B2/C 0.45 0.070 0.074
7# A7/B1/C 0.42 0.065 0.074
8# A8/B2/C 0.43 0.067 0.071

Tab.5

Moisture resistance of single layer fabrics"

面料编号 透湿率/(g· m-2·h-1) 湿阻/(m2·Pa·W-1)
A1 331.095 26.918
A2 280.919 31.726
A3 249.823 35.675
A4 372.085 23.953
A5 319.788 27.870
A6 331.802 26.861
A7 314.841 28.308
A8 315.194 28.276
B1 333.922 26.691
B2 240.989 36.983
C 344.876 25.843

Tab.6

Moisture resistance of multi-layer fabrics"

织物组合
编号		 织物
组合		 W/
(g·m-2·h-1)		 湿阻/
(m2·Pa·W-1)
1# A1/B1/C 239.576 37.201
2# A2/B2/C 177.739 50.144
3# A3/B1/C 197.527 45.121
4# A4/B2/C 209.541 42.534
5# A5/B1/C 235.689 37.815
6# A6/B2/C 204.947 43.487
7# A7/B1/C 237.456 37.534
8# A8/B2/C 202.827 43.942

Tab.7

Total heat loss of multi-layer fabrics"

织物组合
编号		 织物组合 总热损失/
(W·m-2)
1# A1/B1/C 190.805
2# A2/B2/C 157.459
3# A3/B1/C 174.435
4# A4/B2/C 171.316
5# A5/B1/C 184.449
6# A6/B2/C 167.094
7# A7/B1/C 182.149
8# A8/B2/C 169.015

Tab.8

Total heat loss of coefficients"

模型 非标准化系数 标准系数 显著性 共线性统计量
B 标准误差 t Sig. 容差 方差膨胀因子
(常量) 162.900 2.426 67.139 0.000
克罗值 -147.263 3.888 -0.414 -37.875 0.000 0.697 1.434
透湿率 0.342 0.005 0.710 65.020 0.000 0.697 1.434
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