Na Meng, Yufei Zhang, Yuen Hu, Chao Wang, Chengfeng Ding, Yanyan Lin, Zhaoling Li, Xianfeng Wang, Jianyong Yu, Bin Ding
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引用次数: 0
Abstract
Thermal and moisture balance in the body–textile microclimate is critical for human comfort, health management, and prolonged wearability. However, designing a textile system capable of simultaneously achieving sustained cooling and dynamic moisture regulation remains an unaddressed and significant challenge. Herein, a thermal and moisture regulating textile (TMRT) is developed via coaxial electrospinning, featuring a rationally designed core–shell micro/nanofiber structure with a moisture–regulating polymer sheath and a thermal–responsive polymer core. The resulting TMRT exhibits exceptional mid‐infrared (MIR) emissivity (99.82%) and low solar reflectivity (7.71%), an outstanding contact cooling coefficient (0.43 W cm−2), and ultralow thermal resistance (0.08 m2 K W−1), enabling ≈ 6.6 °C reduction in skin temperature at 40 °C. Remarkably, the TMRT demonstrates low moisture resistance (2.49 m2 K W−1) and a high water evaporation rate (0.59 g h−1). Furthermore, it possesses favorable moisture regulation performance and rapid humidity response, achieving a humidity–sensing resolution of 0.5% relative humidity (RH). The TMRT–based protective clothing displays a comfortable microenvironment for the human body. This work establishes a groundbreaking paradigm for advanced textiles with synergistic thermal and moisture management, addressing critical limitations in conventional protective gear, particularly in mitigating heat and humidity accumulation during prolonged use.
人体纺织微气候的热和湿度平衡对人体舒适、健康管理和长时间的可穿戴性至关重要。然而,设计一种能够同时实现持续冷却和动态湿度调节的纺织系统仍然是一个未解决的重大挑战。本文采用同轴静电纺丝技术开发了一种热湿调节织物(TMRT),该织物具有合理设计的核-壳微纳米纤维结构,具有可调节水分的聚合物护套和热响应的聚合物芯。所得到的TMRT具有优异的中红外(MIR)发射率(99.82%)和低太阳反射率(7.71%),出色的接触冷却系数(0.43 W cm−2)和超低热阻(0.08 m2 K W−1),使皮肤温度在40℃下降低≈6.6℃。值得注意的是,TMRT具有较低的耐湿性(2.49 m2 K W−1)和较高的水分蒸发速率(0.59 gh−1)。此外,它具有良好的湿度调节性能和快速的湿度响应,可实现0.5%相对湿度(RH)的湿度传感分辨率。基于tmrt的防护服为人体展示了一个舒适的微环境。这项工作为具有协同热湿管理的先进纺织品建立了一个开创性的范例,解决了传统防护装备的关键限制,特别是在长时间使用期间减轻热量和湿度积累。
期刊介绍:
Advanced Materials, one of the world's most prestigious journals and the foundation of the Advanced portfolio, is the home of choice for best-in-class materials science for more than 30 years. Following this fast-growing and interdisciplinary field, we are considering and publishing the most important discoveries on any and all materials from materials scientists, chemists, physicists, engineers as well as health and life scientists and bringing you the latest results and trends in modern materials-related research every week.