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首页> 外文期刊>Fibers and Polymers >Influence of Transport Properties of Laminated Membrane-fabric on Thermal Protective Performance Against Steam Hazard
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Influence of Transport Properties of Laminated Membrane-fabric on Thermal Protective Performance Against Steam Hazard

机译：层压膜 - 织物运输性能对蒸汽危害热保护性能的影响

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摘要

The breathable fabric and membrane application in protective clothing designed for protection against flame, radiation, hot liquid and steam are vital in thermal protective performance and thermal comfort. Four kinds of laminated membrane-fabrics were selected to investigate the influence of configuration and properties of the fabric on thermal protective performance under a pressurized steam hazard simulation. Surface morphology, water repellency, air permeability, water vapor permeability and other characteristics were evaluated to explore their impact on the mechanism of heat and moisture transfer in laminated fabric. It is found that the configuration critically affects the thermal protective performance. The thickness, mass and moisture regain of laminated fabric exhibit different levels of positive correlation with thermal protective performance of two configurations. Additionally, absorptive and porous membranes have different modes of water vapor transmission, while heat conduction and steam condensation in two kinds of membranes are both key influential factors in producing skin burn under steam hazard. Therefore, effective protection against steam hazard is achieved by decreasing the penetration and storage of steam within protective clothing.
机译：防护服的透气织物和膜应用专为保护火焰，辐射，热液体和蒸汽保护，在热保护性能和热舒适性方面是至关重要的。选择了四种层压膜织物，研究了织物在加压蒸汽危害模拟下对织物的结构和性能对热保护性能的影响。评价表面形态，防水性，透气性，水蒸气渗透性和其他特征，探讨其对层压织物中热量和水分转移机制的影响。结果发现，该配置批判性地影响了热保护性能。层压织物的厚度，质量和湿度损伤与两种配置的热保护性能表现出不同的正相关水平。另外，吸收和多孔膜具有不同的水蒸气透射方式，而两种膜的导热和蒸汽凝结是在蒸汽危害下产生皮肤烧伤的关键影响因素。因此，通过降低防护服内蒸汽的渗透和储存来实现对蒸汽危害的有效保护。

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