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Characteristics of Artificial Leather for Footwear: Heat and Moisture Transport Properties

机译:鞋用人造革的特性:湿热传递特性

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摘要

Artificial leather used in this study was prepared by wet coagulation method with polyurethane resin in a laboratory instrument. Various needle-punching nonwoven fabrics were used as substrate material, which are widely used in the shoe industry as the substrate of insole or artificial leather. To estimate comfort properties with the finishing for artificial leather, we measured air, water vapor, and thermal transport properties ; and then we evaluated the changes of each property of finished nonwoven fabrics which were dipped and coated with polyurethane resin. The changes due to the dipping and coating processes for artificial leather may give rise to a feeling of discomfort. Water vapor permeability and heat keeping rate decreased, but thermal conductivity and a cool feeling increased with the finishing process. After dipping and coating processes, there was little significant difference in the transport properties of base materials. Therefore, the transport characteristics were more closely related to the finishing condition than the constructive characteristics of the base materials.
机译:本研究中使用的人造皮革是在实验室仪器中通过湿凝法与聚氨酯树脂制成的。各种针刺无纺布被用作基底材料,其在鞋业中广泛用作鞋垫或人造皮革的基底。为了评估人造革涂饰的舒适性,我们测量了空气,水蒸气和热传递性能。然后我们评估了浸涂有聚氨酯树脂的无纺布成品的各项性能的变化。由于人造革的浸渍和涂布过程而引起的变化可能会引起不适感。水蒸气的渗透性和保温率降低,但是随着精加工过程,热导率和凉爽感增加。经过浸涂和涂覆过程后,基材的传输性能几乎没有显着差异。因此,传输特性与完成条件的关系比基础材料的构造特性更紧密。

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