二氧化硅气凝胶的研究进展  

Research Progress of Silica Aerogels

作　　者：韩晓凤 刘兵 郑国保[4] 李政[1,2] Han Xiaofeng;Liu Bing;Zheng Guobao;Li Zheng(Key Laboratory of Advanced Textile Composites of Ministry of Education,School of Textiles Science and Engineering,Tiangong University,Tianjin 300387,China;National Innovation Ceter of Advanced Dyeing and Finishing Technolog,Tai'an,Shandong 271001,China;Ningxia Shenju Agricultural Technology Development Co.,Ltd.,Zhongwei,Ningxia 755001,China;Ningxia Academy of Agriculture and Forestry Sciences,Yinchuan,Ningxia 750002,China)

机构地区：[1]天津工业大学纺织科学与工程学院先进纺织复合材料教育部重点实验室,天津300387 [2]国家先进印染技术创新中心,山东泰安271001 [3]宁夏神聚农业科技开发有限公司,宁夏中卫755001 [4]宁夏农林科学院农业生物技术研究中心,宁夏银川750002

出　　处：《针织工业》2024年第6期89-94,共6页Knitting Industries

基　　金：宁夏回族自治区重点研发计划社发领域项目(重点)(2022BEG02006);天津市重点研发计划科技支撑重点(20YFZCSN00130);2021年宁夏回族自治区柔性引进科技创新团队(2021RXTDLX08)资助。

摘　　要：二氧化硅气凝胶是一种具有高孔隙率、低密度以及低热导率等特性的纳米多孔材料,在保温隔热、环境净化以及生命医学等领域应用广泛。文章对比分析了不同硅源基气凝胶的性能差异,以及改善二氧化硅力学性能的方法,如纤维和聚合物增强二氧化硅气凝胶以及制备柔性二氧化硅气凝胶,介绍了其在不同领域中的应用,并对其未来的发展趋势进行了展望。Silica aerogel is a kind of nano porous material with high porosity,low density and low thermal conductivity,which is widely used in thermal insulation,environmental purification,life medicine and other fields.This paper compares and analyzes the performance differences of different silicon source based aerogels,as well as the methods to improve the mechanical properties of silica,such as fiber and polymer reinforced silica aerogels and the preparation of flexible silica aerogels,introduces its application in different fields,and prospects its future development trend.

关 键 词：二氧化硅气凝胶 硅源 增强 柔性 保温隔热 

分 类 号：TQ427.26[化学工程]