二氧化硅纤维基隔热材料研究进展

摘要/Abstract

摘要： 研制高性能隔热材料对发展航空、建筑、运输等领域具有重要意义。二氧化硅(SiO₂)纤维具有低密度、低热导、抗氧化的优点,是一种极具发展潜力的隔热材料。然而,SiO₂纤维的热导率有待进一步降低,如何进一步提升其隔热性能是一个重要课题。本文从SiO₂纤维的隔热机理出发,首先分析了不同形貌(实心、中空、多孔)SiO₂纤维的制备方法及研究现状,并总结了SiO₂纤维与有机材料、无机材料等复合的研究进展。同时,简述了隔热材料目前的主要应用领域,最后展望了SiO₂纤维基隔热材料在未来的发展方向。

关键词: 二氧化硅, 纤维, 隔热, 复合材料

Abstract: The development of high-performance thermal insulation materials is of great significance to the development of aviation, construction, transportation and other fields. Silica (SiO₂) fiber has the advantages of low density, low thermal conductivity and oxidation resistance, and is a kind of thermal insulation material with great development potential. However, the thermal conductivity of SiO₂ fiber needs to be further reduced, so how to further improve its thermal insulation performance is an important topic. Based on the thermal insulation mechanism of SiO₂ fiber, the preparation methods and research status of SiO₂ fiber with different morphologies (solid, hollow, porous) are analyzed in this paper. The research progress of SiO₂ fiber composite with organic materials, inorganic materials is aslo summarized. At the same time, the main application fields of thermal insulation materials are briefly described. Finally, the development direction of SiO₂ fiber-based thermal insulation materials in the future is prospected.

Key words: silica, fiber, thermal insulation, composite

中图分类号:

TQ34

吴一凡, 王兴涛, 孙金峰, 孟永强, 万红敬. 二氧化硅纤维基隔热材料研究进展[J]. 硅酸盐通报, 2023, 42(11): 4167-4177.

WU Yifan, WANG Xingtao, SUN Jinfeng, MENG Yongqiang, WAN Hongjing. Research Progress on Silica Fiber-Based Thermal Insulation Materials[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2023, 42(11): 4167-4177.

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