耐火材料 ›› 2022, Vol. 56 ›› Issue (3): 272-276.DOI: 10.3969/j.issn.1001-1935.2022.03.022

• 综合评述 • 上一篇    

耐高温Al2O3气凝胶隔热材料的研究进展

佟天白(), 任河, 王恒芝, 刘梅, 范召东()   

  1. 中国航发北京航空材料研究院 北京 100095
  • 收稿日期:2021-09-23 出版日期:2022-06-15 发布日期:2022-06-24
  • 通讯作者: 范召东,男,1969年生,博士,研究员。E-mail: fanzhaodong99@sohu.com
  • 作者简介:佟天白:男,1996年生,硕士研究生。E-mail: tongtianbai@tju.edu.cn

Research progress on high temperature resistant Al2O3 aerogel insulation materials

Tong Tianbai(), Ren He, Wang Hengzhi, Liu Mei, Fan Zhaodong()   

  1. AECC Beijing Institute of Aeronautical Materials,Beijing 100095,China
  • Received:2021-09-23 Online:2022-06-15 Published:2022-06-24
  • Contact: Fan Zhaodong

摘要:

Al2O3气凝胶因轻质、耐高温、稳定性好的特性,在高温隔热领域具有极大的应用潜力。阐述了近年来Al2O3气凝胶的溶胶-凝胶法制备过程及机制,介绍了多种干燥工艺方法,总结了在疏水、增强和耐高温性能方面的改性工艺,展望了其未来的发展方向。

关键词: Al2O3气凝胶, 耐高温, 隔热材料, 溶胶-凝胶法, 研究进展

Abstract:

Al2O3 aerogel has great application potential in the field of high temperature insulation due to its light weight,high temperature resistance and good stability.The preparation process and the mechanism of Al2O3 aerogel by sol-gel method in recent years were expounded;a variety of drying methods were introduced;the modification processes in hydrophobicity,enhancement and high temperature resistance were summarized;and the future development direction was prospected.

Key words: alumina aerogel, high temperature resistance, thermal insulation materials, sol-gel method, research progress

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