Tri‐Layer Laminated Fabric‐Induced Sweating Surfaces for Passive Cooling,Macromolecular Materials and Engineering

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Tri‐Layer Laminated Fabric‐Induced Sweating Surfaces for Passive Cooling
Macromolecular Materials and Engineering ( IF 4.2 ) Pub Date : 2021-02-01 , DOI: 10.1002/mame.202000696
Xiaoyan Li ₁ , Muhammad Javed ₁ , Ming Luo ₂ , Zaisheng Cai ₁ , Bi Xu _{1,

2}

Affiliation

Fabrics which can keep people cool in a hot climate have attracted considerable attention in recent years. Among various cooling strategies, fabric cooling by water evaporation is proved to be very safe, simple and sustainable. Here, a tri‐layer laminated fabric (TLF) inspired by perspiration is designed to realize passive cooling of human body. An interlayer fabric which is coated with crosslinked sodium polyacrylate can absorb and store a large amount of water. A moisture‐absorbing and quick‐drying fabric is used as the outer layer while a waterproof breathable fabric is used on the inside of the laminate in contact with skin. The prepared TLF shows decent evaporative cooling performance under dry heat conditions. The water absorbency of TLF is about 400% higher than that of pristine cotton after 1 h soaking in water. Under a 1 sun irradiation (1000 W m⁻²), the indoor temperature of a simulated room can be reduced by ≈5–7 °C compared with the other without a cooling system. Meanwhile, the evaporative cooling effect can be maintained up to 5 h. This cooling fabric shows broad application prospects in the fields of thermal cooling to human and buildings.

中文翻译：

三层层压织物诱导的出汗表面，用于被动冷却

能够在炎热的气候中使人保持凉爽的织物近年来引起了极大的关注。在各种冷却策略中，通过水蒸发对织物进行冷却被证明是非常安全，简单和可持续的。此处，受汗启发的三层层压面料（TLF）旨在实现人体的被动降温。涂有交联聚丙烯酸钠的夹层织物可以吸收和储存大量的水。吸湿速干织物用作外层，而防水透气织物则用于层压板的内部，并与皮肤接触。制备的TLF在干热条件下显示出良好的蒸发冷却性能。在水中浸泡1小时后，TLF的吸水率比原始棉的吸水率高约400％。⁻²），与没有制冷系统的其他房间相比，模拟房间的室内温度可以降低≈5–7°C。同时，蒸发冷却效果可以保持长达5小时。这种冷却织物在人类和建筑物的热冷却领域中显示出广阔的应用前景。

更新日期：2021-03-18

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