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一种具有先进热功能和电磁屏蔽的耐用织品
Dangge Gao1,2,3, Zhangting Jia1,2,3, Bin Lyu1,2,3
1College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China.
Small (Weinheim an der Bergstrasse, Germany)
|October 26, 2024
概括
本研究介绍了Cotton@PDA/AgNPs (CPANS),这是一种用于个人热管理 (PTM) 的多功能织品. CPANS提供被动辐射加热,太阳能加热,电加热和电磁干扰屏蔽,为寒冷的气候提供增强的耐用性.
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
- 纳米技术 纳米技术
背景情况:
- 个人热管理 (PTM) 织品对于适应可变的寒冷气候和个人温度调节需求至关重要.
- 现有的PTM织品往往受到诸如单一加热模式,耐久性不足和复杂的制造工艺等限制.
研究的目的:
- 开发一种先进的PTM织品,具有多种功能,包括被动辐射加热,太阳能加热,电加热和电磁干扰 (EMI) 屏蔽.
- 为应对目前PTM织品中单一加热模式,耐久性不足和复杂的制备过程所带来的挑战.
主要方法:
- 棉@PDA/AgNPs (CPANS) 的制造,通过在棉织物 (CF) 上顺序增长聚多巴胺 (PDA) 和银纳米粒子 (AgNPs).
- 用热性能 (发射率,吸收率),电导率,EMI屏蔽效率和物理处理后的耐用性来表征CPANS.
主要成果:
- 对于节能加热,CPANS显示了低中红外辐射率 (36.6%) 和高吸收率 (70.8%).
- 实现了高电导率 (≈11109 S m-1),使得快速加热 (≈177 °C在1.1 V) 和出色的EMI屏蔽 (≈60 dB).
- 由于PDA的粘合性,即使经过严格的物理处理,CPANS的耐用性也很高.
结论:
- 开发的CPANS织品提供了一种创新的解决方案,用于在寒冷条件下全天进行个人热管理.
- 这种多功能织品具有将其整合到可穿戴服装中的巨大潜力,为先进的PTM织物提供了一个新的基准.
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