SiO_2气凝胶的制备方法及其应用研究进展

Research Progresses on the Preparation Methods and Application of Silica Aerogel

针对SiO2气凝胶制备过程复杂和推广应用难等问题,就其制备过程中在溶胶-凝胶、老化和干燥等阶段受不同因素影响的研究现状进行了详细叙述,并对SiO2气凝胶材料在航空航天、建筑、医学以及催化剂等领域的应用研究情况进行归纳总结。在此基础上,展望了未来SiO2气凝胶的制备及其应用的发展趋势。

In view of the complexity of the preparation process and difficulty of the popularization and application of silica aerogel, current status of studies on different influencing factors in the stage of sol-gel, aging and drying was described in detail. And the application researches in aerospace, construction, medical, catalyst and other fields were summarized. Then on this basis, the future development trend of preparation and application of Si O2 aerogel were put forward.