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首页> 外文期刊>The Journal of the Textile Institute >Thermal properties of combat uniforms treated with microencapsulated octadecane and change in clothing microclimate via thermal manikin
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Thermal properties of combat uniforms treated with microencapsulated octadecane and change in clothing microclimate via thermal manikin

机译：微囊化十八烷处理的战斗服的热性能和通过人体暖体模型改变服装的微气候

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摘要

This study examined how the heat storage property and the heat release property of three different PCM (Phase Change Material) treatment concentrations of combat uniform fabrics affected microclimate inside clothing after the octadecane-treated fabrics were made into garments. Three combat uniforms were constructed with fabrics treated by three different octadecane concentrations (0, 8, and 16%) at the same curing temperature of 113.6 degrees C. The thermal properties of the octadecane-treated fabrics were acquired by using DSC (Differential Scanning Calorimeter) analysis. Also, water vapor and air permeability were measured before the thermal comfort of the octadecane-treated combat uniforms was evaluated. And then, a thermal manikin was used to measure skin temperature, skin humidity, and microclimate temperature, while the chamber was set at various environmental temperatures (0, 0-35, 35, and 35-0 degrees C). And, to analyze the differences among skin temperature, skin humidity, and microclimate temperature of the garments according to the three different octadecane concentrations, ANOVA and a post hoc test were conducted. As a result, heat of fusion and heat of crystallization (H-f and H-c) were observed to increase as the octadecane concentration increased. The 8% octadecane-treated fabrics had 3.56J/g of H-f, 3.80J/g of H-c, and the 16% octadecane-treated fabrics had 7.46J/g of H-f, 7.44J/g of H-c. Also, the more octadecane was added, the less water vapor and air permeability had the fabrics because many open spaces were covered due to the microcapsules after octadecane treatment. It might influence on clothing microclimate. However, the 8% octadecane-treated garment (G1) exhibited less differential skin temperature and humidity and clothing microclimate temperature than the 16% octadecane-treated garment (G2) even though the octadecane concentration was lower. It means that the 8% octadecane-treated garment exhibited better thermal performance than the 16% octadecane-treated garment. This is because the higher octadecane concentration caused the fabric to become stiffer, thereby causing the still air layer to decrease the thermal insulation efficiency and the octadecane treatment was not affected. It differed from the result of the thermal properties (H-f and H-c) of the octadecane-treated fabrics. The reason for this result is that when the thermal manikin wore the octadecane-treated garments, various factors had effects on thermal properties such as environmental aspects, physiological aspects, and clothing aspects.
机译：这项研究研究了将三种经过十八烷处理的织物制成服装后，战斗制服织物的三种不同PCM（相变材料）处理浓度的储热性能和放热性能如何影响服装内部的微气候。在113.6摄氏度的相同固化温度下，用三种不同的十八烷浓度（0％，8％和16％）处理过的织物构造了三套战斗服。用DSC（差示扫描量热仪）获得了经过十八烷处理的织物的热性能。 ）分析。同样，在评估经十八烷处理的战斗服的热舒适性之前，测量水蒸气和空气渗透率。然后，使用热人体模型来测量皮肤温度，皮肤湿度和微气候温度，同时将腔室设置为各种环境温度（0、0-35、35和35-0摄氏度）。并且，为了根据三种不同的十八烷浓度分析服装的皮肤温度，皮肤湿度和微气候温度之间的差异，进行了ANOVA和事后检验。结果，观察到随着十八烷浓度的增加，熔化热和结晶热（H-f和H-c）增加。经8％十八烷处理的织物的H-f为3.56J / g，H-c为3.80J / g，而经过十八烷处理的16％织物的H-f为7.46J / g，H-c为7.44J / g。同样，加入更多的十八烷，由于十八烷处理后的微胶囊覆盖了许多开放空间，因此织物的水蒸气和透气性降低。它可能会影响衣物的小气候。然而，即使十八烷浓度较低，经8％十八烷处理的服装（G1）仍比16％十八烷处理的服装（G2）表现出更低的皮肤温度和湿度以及衣物微气候温度。这意味着经过十八烷处理的服装比经过十六烷处理的服装具有更好的热性能。这是因为较高的十八烷浓度导致织物变硬，从而导致静止空气层降低了隔热效率，并且十八烷处理没有受到影响。它与十八烷处理过的织物的热性能（H-f和H-c）不同。产生此结果的原因是，当热人体模型穿着经过十八烷处理的服装时，各种因素都会对热性能产生影响，例如环境，生理和服装。

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