Journal article
Preparation of monolithic silica glass by an ultra-fast sol-gel process
Gāoděng xuéxiào huàxué xuébaò, Vol.20(5), pp.824-826
01 May 1999
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Abstract
An ultra-fast sol-gel process has been developed to get high content silica materials, in which, the solvent tetrahydrofuran (THF) for hydrolysis of precursor tetraethyl orthosilicate, was removed through solvent extraction to obtain bulk sol. The bulk soi can be molded in different shapes such as discoid, pellet, octagon, cylinder, and half-sphere. They solidified and gelled in a very short time in the presence of lithium salt. Measurements show that the silica monoliths possess volume shrinkage of 52%, high silica content of 82.4% and transmittance of 70% in the UV/Vis region, and are crack-free indefinitely.
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Details
- Title
- Preparation of monolithic silica glass by an ultra-fast sol-gel process
- Creators
- C WangY H ZhangL DongL M FuY B BaiT J LiZ H LiuY Wei
- Publication Details
- Gāoděng xuéxiào huàxué xuébaò, Vol.20(5), pp.824-826
- Publisher
- Higher Education Press
- Number of pages
- 3
- Resource Type
- Journal article
- Language
- Chinese
- Academic Unit
- Marketing
- Identifiers
- 991019170581204721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary