基于聚氨的智能复合面料用于多模式个人热管理
Xunzhang Li1, Guodong Liao1, Wangwang Cai1
1College of Materials Science and Engineering, Nanjing Tech University, 30 South Puzhu Road, Pukou District, Nanjing, 211816, P. R. China.
Small (Weinheim an der Bergstrasse, Germany)
|July 11, 2024
概括
这项研究介绍了一种能够适应环境条件的新型智能织物. 织品在寒冷,干燥的天气中提供增强的温暖,在炎热,潮湿的天气中提供降温,性能优于棉花.
科学领域:
- 材料科学 材料科学 材料科学
- 织工程 织工程 织工程
- 智能材料是一种智能材料.
背景情况:
- 开发具有响应性热和湿度管理的织品是一个重大挑战.
- 现有的智能织物往往缺乏对环境变化的敏感性.
研究的目的:
- 创建一个具有适应性热和湿度调节性质的多式联通智能织物.
- 设计一种能够动态响应变化的环境条件的织品.
主要方法:
- 通过将银涂,热湿度敏感的热塑性聚氨 (Ag-THSPU) 与聚乙烯化物和聚氨 (PU-PVDF) 混合层相结合,构建了一个智能织物.
- 该PU-PVDF层是为太阳反射,红外辐射和防水而设计的.
- Ag-THSPU层的设计是为了调节热反射,汗水蒸发和对流.
主要成果:
- 在寒冷,干燥的条件下,该织物表现出低的水传递率 (102.74 g m−2·24 h−1),高的热反射,并且比棉花温暖2.4°C.
- 在炎热,潮湿的条件下,织物的Ag-THSPU层膨胀,增加了表面积,促进了汗水蒸发 (2084.88 g/m−2·24 h−1),热辐射和对流,从而比棉花冷却2.5°C.
- 这种织物通过环境适应,表现出显著的热量和湿度管理能力.
结论:
- 开发的多式联机智能织物有效地根据环境条件管理热和湿度特性.
- 这一创新的织战略为创造适应性织物提供了一条新的途径,以适应苛刻的应用.
- 织物的双重功能在寒冷和炎热的环境中提供了增强的舒适性.
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