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A Biomimetic Transpiration Textile for Highly Efficient Personal Drying and Cooling
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2021-01-29 , DOI: 10.1002/adfm.202008705 Dongyang Miao 1 , Xianfeng Wang 1, 2 , Jianyong Yu 2 , Bin Ding 1, 2
Advanced Functional Materials ( IF 18.5 ) Pub Date : 2021-01-29 , DOI: 10.1002/adfm.202008705 Dongyang Miao 1 , Xianfeng Wang 1, 2 , Jianyong Yu 2 , Bin Ding 1, 2
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Efficient sweat release and heat dissipation are required for functional textiles that improve comfort and productivity while being worn in daily life. However, the porous structure of textiles exhibits an opposite effect on water transport and heat transfer capacities, leading to a longstanding bottleneck for the design of multifunctional drying and cooling textiles. Here, a biomimetic transpiration textile based on the hierarchical and interconnected network of vascular plants is demonstrated for highly efficient personal drying and cooling. The transpiration‐inspired design offers a textile with distinct advantages, including a desired one‐way water transport index (1072%), rapid water evaporation rate (0.36 g h−1), and outstanding through‐plane (0.182 W m−1 K−1) and in‐plane (1.137 W m−1 K−1) thermal conductivities. Moreover, based on the optimized performance, plausible mechanisms are proposed and calculated to provide insight into the water transport and heat transfer within the hierarchical and interconnected network, which provide promising benefits to the development of multifunctional drying and cooling textiles. Overall, the successful synthesis of this biomimetic transpiration textile provides a comfortable microclimate to the human body, thus satisfying the growing demand for better health, productivity, and sustainability.
中文翻译：
用于高效个人干燥和降温的仿生蒸腾纺织品
功能性纺织品需要有效的排汗和散热功能，以提高舒适性和生产率，并在日常生活中穿着。然而，纺织品的多孔结构对水的输送和传热能力表现出相反的影响，导致多功能干燥和冷却纺织品设计的长期瓶颈。在此，基于维管植物的层次化且相互连接的网络的仿生蒸腾纺织品被证明可实现高效的个人干燥和冷却。蒸腾风格设计提供了纺织品具有不同的优点，包括所期望的单向水运指数（1072％），快速水蒸发速率（0.36 G H -1），和杰出的贯通面（0.182脉冲W M -1 ķ - 1个）和面内（1.137 W m -1 K -1）热导率。此外，基于优化的性能，提出并计算了合理的机制，以深入了解分层和互连网络中的水传输和传热，这为多功能干燥和冷却纺织品的开发提供了有希望的益处。总的来说，这种仿生蒸腾纺织品的成功合成为人体提供了舒适的微气候，从而满足了人们对更好的健康，生产力和可持续性的不断增长的需求。
更新日期：2021-04-01
中文翻译：
用于高效个人干燥和降温的仿生蒸腾纺织品
功能性纺织品需要有效的排汗和散热功能，以提高舒适性和生产率，并在日常生活中穿着。然而，纺织品的多孔结构对水的输送和传热能力表现出相反的影响，导致多功能干燥和冷却纺织品设计的长期瓶颈。在此，基于维管植物的层次化且相互连接的网络的仿生蒸腾纺织品被证明可实现高效的个人干燥和冷却。蒸腾风格设计提供了纺织品具有不同的优点，包括所期望的单向水运指数（1072％），快速水蒸发速率（0.36 G H -1），和杰出的贯通面（0.182脉冲W M -1 ķ - 1个）和面内（1.137 W m -1 K -1）热导率。此外，基于优化的性能，提出并计算了合理的机制，以深入了解分层和互连网络中的水传输和传热，这为多功能干燥和冷却纺织品的开发提供了有希望的益处。总的来说，这种仿生蒸腾纺织品的成功合成为人体提供了舒适的微气候，从而满足了人们对更好的健康，生产力和可持续性的不断增长的需求。
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