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SiO2气凝胶骨架增强改性研究进展
李承东1,2,陈照峰3,姚伯龙1,2,程琳1,2,樊世璞1,2
1.江南大学化学与材料工程学院合成与生物胶体教育部重点实验室,无锡 214122;2.江南大学化学与材料工程学院“光响应功能分子材料”国家级国际联合研究中心,无锡 214122;3.南京航空航天大学材料科学与技术学院绝热与节能材料国际实验室,南京 211106
摘要:
分析SiO2气凝胶骨架增强改性的特点,阐述了共前驱体、化学添加剂、老化、表面改性和热处理工艺在SiO2气凝胶骨架增强方面的国内外研究动态和未来发展趋势,以期为设计并优化SiO2气凝胶的微结构及性能提供理论依据和方法。
关键词:  气凝胶  骨架增强  共前驱体  化学添加剂  老化  表面改性  热处理
DOI:10.12044/j.issn.1007-2330.2019.05.001
分类号:TB332
基金项目:中央高校基本科研业务费专项资金 JUSRP11812中央高校基本科研业务费专项资金(JUSRP11812)
Research Progress of Reinforced Skeleton of Silica Aerogel
LI Chengdong1,2,CHEN Zhaofeng3,YAO Bolong1,2,CHENG Lin1,2,FAN Shipu1,2
1.Key Laboratory of Synthetic and Biological Colloids,Ministry of Education,School of Chemical and Material Engineering, Jiangnan University,Wuxi 214122;2.International Joint Research Center for Photoresponsive Molecules and Materials,School of Chemical and Material Engineering,Jiangnan University,Wuxi 214122;3.International Laboratory for Insulation and Energy Efficiency Materials,College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics,Nanjing 211106
Abstract:
The characteristics of silica aerogel skeleton reinforced modifications are described in detail.Research progress and future development trend of reinforced skeleton of silica aerogel by co-precursor,chemical additive,aging,surface modification and heat treatment technique are described.The aim of this paper is to provide theoretical bases and methods for designing and optimizing the microstructure and properties of silica aerogel.
Key words:  Aerogel  Skeleton reinforcement  Co-precursor  Chemical additive method  Aging  Surface modification  Heat treatment