Analyzing thermal-moisture comfort and thermal protective performance of phase change materials dripped protective clothing

IF 2 4区 材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Zihan Gu, Yun Su, Yuwei Fan, Miao Tian, Jun Li
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Abstract

The objective of the study was to alleviate the thermal-moisture comfort (TMC) of phase change material (PCM) thermal protective clothing, while simultaneously enhancing thermal protective performance (TPP) by a drip molding process. Nine types of PCM dripped fabrics were prepared by the drip molding process and served as comfort layers of thermal protective clothing. The TMC and TPP of the fabric systems were measured. A new method was proposed to balance the TMC and TPP of thermal protective clothing. The results demonstrated that the drip molding process marginally weakened the TMC while substantially enhancing the TPP of fabric systems. But the TMCs of the PCM dripped fabrics were far larger than the PCM coated fabric. Specifically, an increase in droplet diameter led to a decline in TMC and an improvement in TPP, whereas an increase in droplet interval resulted in an enhancement in TMC and a decrease in TPP. The findings obtained in this study can be used to engineer fabric systems that provide better protection for heat stress and skin burns.

分析滴有相变材料的防护服的热湿舒适性和热防护性能
这项研究的目的是通过滴塑工艺减轻相变材料(PCM)热防护服的热湿舒适性(TMC),同时提高热防护性能(TPP)。通过滴注成型工艺制备了九种 PCM 滴注织物,作为热防护服的舒适层。测量了织物系统的 TMC 和 TPP。提出了一种平衡热防护服 TMC 和 TPP 的新方法。结果表明,滴注成型工艺略微削弱了织物系统的 TMC,但却大大提高了 TPP。但 PCM 滴塑织物的 TMC 远远大于 PCM 涂层织物。具体来说,液滴直径增大导致 TMC 下降,TPP 提高,而液滴间隔增大导致 TMC 提高,TPP 下降。这项研究的结果可用于设计织物系统,为热应力和皮肤灼伤提供更好的保护。
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来源期刊
Fire and Materials
Fire and Materials 工程技术-材料科学:综合
CiteScore
4.60
自引率
5.30%
发文量
72
审稿时长
3 months
期刊介绍: Fire and Materials is an international journal for scientific and technological communications directed at the fire properties of materials and the products into which they are made. This covers all aspects of the polymer field and the end uses where polymers find application; the important developments in the fields of natural products - wood and cellulosics; non-polymeric materials - metals and ceramics; as well as the chemistry and industrial applications of fire retardant chemicals. Contributions will be particularly welcomed on heat release; properties of combustion products - smoke opacity, toxicity and corrosivity; modelling and testing.
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