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在自然干燥下进行双向相位分离旋转,以制备用于隔热的气凝纤维

Jiaxin Shen¹, Shisheng Hou¹, Chen Li¹

¹SEU-FEI Nano-Pico Center, Key Laboratory of MEMS of the Ministry of Education, Collaborative Innovation Center for Micro/Nano Fabrication, Device and System, Southeast University, Nanjing, 210096, P. R. China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)

|July 18, 2025

概括

一种新方法使得空气凝纤维的连续生产成为可能,以提供高效的隔热. 这种技术减少了能源消耗和加工时间,为先进织品提供了一个有前途的替代方案.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
织工程织工程织工程

背景情况:

气凝纤维显示出对隔热的潜力.
目前的生产方法是低效的,能源密集的,耗时的,限制了实际使用.

研究的目的:

开发一种连续和快速的方法来生产气凝纤维.
为了减少空气凝纤维制备中的能源消耗和加工时间.

主要方法:

引入了一种双向相隔旋转技术.
实现了以360m/h的速度与所需的长度连续生产.
使用室温干燥,消除冷干燥或超临界干燥.

主要成果:

实现了高速连续的气凝纤维生产.
证明了室温干燥能力,节省能源和时间.
生产的气凝纤维密度低 (0.18 g/cm3),孔径高 (84%),运行温度范围宽 (-20~120°C).
开发了一种具有非常低导热率 (31 ± 1.2 mW/mK) 的隔热.

结论:

双向相隔技术为气凝纤维生产提供了一种节能且快速的方法.
这些气凝纤维具有出色的绝热性能.
这一进步将气凝纤维定位为下一代织品的可行选择.

关键词:

空气凝纤维纤维的使用双向相位分离的方法同轴湿的同轴湿能源危机能源危机热绝缘热绝缘热绝缘热绝缘

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