纤维素基气凝胶在保温隔热领域中的研究进展

Research Progress of Cellulose-based Aerogel in Heat Preservation and Insulation

关键词:  纤维素  气凝胶  保温隔热  热导率  建筑  航空航天

Key Words:cellulose  aerogel  thermal insulation  thermal conductivity  construction  aerospace

摘要:纤维素具有储量丰富、来源广、可再生、可降解、易于化学改性等显著优势。纤维素基气凝胶具有优异的力学性能和热学性能，在建筑、航空航天、石油化工等领域受到了广泛关注，有望成为替代传统气凝胶的理想选择。随着科技的快速发展，纤维素基气凝胶作为保温隔热材料的性能不断被优化，应用不断被拓展。本文简要介绍了纤维素基气凝胶的制备方法，综述了纤维素基气凝胶作为保温隔热材料在航空航天、石油化工和建筑等领域的最新研究及应用进展，提出了制备和改性纤维素基气凝胶亟待解决的问题。

Abstract:Cellulose-based aerogel has excellent mechanical and thermal properties. As thermal insulation materials， the properties of cellulose-based aerogel have been continuously optimized， and its application has been explored. The preparation methods of cellulose-based aerogel were briefly introduced in this paper， the latest research and application progress of cellulose-based aerogel as thermal insulation material in many fields， such as aerospace， petrochemical， and construction were reviewed. The urgent problems needed to be solved in the preparation and modification of cellulose-based aerogel were put forward.