工业规模海岛熔融纺制连续超细纤维,用于制作高度舒适的绝缘气凝胶毛毡服装

IF 27.4 1区 材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Yan Yu, Chengjian Xu, Zexu Hu, Hengxue Xiang, Junyan Zhang, Xinhai Zhang, Yanhua Cheng, Liping Zhu, Meifang Zhu
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引用次数: 0

摘要

气凝胶对保暖服最有吸引力。然而,机械脆弱性和结构不稳定性限制了气凝胶的实际应用。为了克服这些问题,我们开发了工业规模的海岛熔融纺超细纤维,这些纤维具有较大且均匀的长径比,并通过冷冻成型技术组装成具有波纹片状结构的气凝胶毡。这些气凝胶具有优异的机械性能,可满足织物的弹性和舒适性需求,包括超柔性(25% 拉伸应变、95% 压缩、180° 弯曲性能)和超过 10,000 次循环的抗疲劳性。气凝胶还具有自清洁、防水、透气和阻燃性能,因此适合极端环境下的应用要求。此外,获得的气凝胶毡服装还具有接近干燥空气的出色隔热性能,其厚度仅为具有类似隔热性能的羽绒服的三分之一。采用这种方法将海岛熔融纺丝纤维扩展成气凝胶,为开发多功能隔热气凝胶服装提供了可扩展的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Industrial Scale Sea-Island Melt-Spun Continuous Ultrafine Fibers for Highly Comfortable Insulated Aerogel Felt Clothing

Industrial Scale Sea-Island Melt-Spun Continuous Ultrafine Fibers for Highly Comfortable Insulated Aerogel Felt Clothing
Aerogels are most attractive for thermal clothing. However, mechanical fragility and structural instability restrict their practical applications. These issues are overcome by developing industrial scale sea-island melt-spun ultrafine fibers with large and uniform length-to-diameter as building blocks, which are assembled into aerogel felts with corrugated lamellar structure through freeze-shaping technology. These aerogels possess excellent mechanical properties to meet fabric elasticity and comfort needs, including super-flexibility (25% tensile strain, 95% compression, 180° bending performance) and fatigue resistance of over 10,000 cycles. The aerogels are also self-cleaning, waterproof, breathable, and flame-retardant, making them suitable for application requirements in extreme environments. Moreover, the obtained aerogel felt clothing exhibits excellent thermal insulation properties close to that of dry air, and is only one-third as thick as down clothing with similar insulating properties. Expanding sea-island melt-spun fiber to construct aerogel in this strategy provides scalable potential for developing multifunctional insulating aerogel clothing.
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来源期刊
Advanced Materials
Advanced Materials 工程技术-材料科学:综合
CiteScore
43.00
自引率
4.10%
发文量
2182
审稿时长
2 months
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.
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