Smart Humidly Adaptive Yarns and Textiles from Twisted and Coiled Viscose Fiber Artificial Muscles.
Smart Humidly Adaptive Yarns and Textiles from Twisted and Coiled Viscose Fiber Artificial Muscles.
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DOI：
10.3390/ma15238312
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发表时间：
2022-11-23
期刊：
影响因子：
--
通讯作者：
Sun F
中科院分区：
文献类型：
--
作者：
Guo M;Peng Y;Chen Z;Sheng N;Sun F
智能纺织品对周围环境的自适应性使其成为新兴可穿戴技术不可或缺的一部分。然而，目前的进展通常受到复杂的材料制备、不舒适的贴合感、可能的毒性以及制造成本高的影响，这阻碍了智能材料在纺织品中的实际应用。在此，基于纱线纺纱和织造技术，使用市售的、具有成本效益的和可生物降解的粘胶纤维开发了来自加捻和盘绕结构的湿度响应扭转和拉伸纱线致动器。当以0.05 g s-1的喷雾速度用水雾刺激时，加捻纱线在5 s内表现出1400° cm-1的可逆扭转行程;当提高相对湿度时，盘绕纱线表现出900%的峰值拉伸行程。此外，纺织品制造允许可扩展的制造以创建具有高维致动变形和人类触摸舒适性的织物人工肌肉，这可以促进湿适应纱线在智能纺织品和先进纺织材料中的潜在应用。
The self-adaptive nature of smart textiles to the ambient environment has made them an indispensable part of emerging wearable technologies. However, current advances generally suffer from complex material preparation, uncomfortable fitting feeling, possible toxicity, and high cost in fabrication, which hinder the real-world application of smart materials in textiles. Herein, humidity-response torsional and tensile yarn actuators from twisted and coiled structures are developed using commercially available, cost-effective, and biodegradable viscose fibers based on yarn-spinning and weaving technologies. The twisted yarn shows a reversible torsional stroke of 1400° cm−1 in 5 s when stimulated by water fog with a spraying speed of 0.05 g s−1; the coiled yarn exhibits a peak tensile stroke of 900% upon enhancing the relative humidity. Further, textile manufacturing allows for the scalable fabrication to create fabric artificial muscles with high-dimensional actuation deformations and human-touch comfort, which can boost the potential applications of the humidly adaptive yarns in smart textile and advanced textile materials.
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