引用本文:
杜宏伟, 孔瑛. NMP中制备TiO2溶胶及其凝胶化[J]. 应用化学,
2002, 19(9): 882-885.
Citation: DU Hong-Wei, KONG Ying. Preparation of TiO2 Sol in NMP and Its Gelation[J]. Chinese Journal of Applied Chemistry, 2002, 19(9): 882-885.
Citation: DU Hong-Wei, KONG Ying. Preparation of TiO2 Sol in NMP and Its Gelation[J]. Chinese Journal of Applied Chemistry, 2002, 19(9): 882-885.
NMP中制备TiO2溶胶及其凝胶化
English
Preparation of TiO2 Sol in NMP and Its Gelation
Abstract:
TiO2 sol was prepared in NMP by a sol-gel method using tetrabutyl titanate(TBT) as a precursor and acetic acid as a stabilizer. The effects of reaction conditions e.g. the way of adding water, mole ratio of water to TBT, volume ratio of NMP to TBT, pH value and temperature on the sol-gel process have been investigated. The results showed that at room temperature when the mole ratio of water to TBT was 3~4, the volume ratio of NMP to TBT was 2~3 and the value of pH was 2~4 a stable and transparent TiO2 sol could be obtained.
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Key words:
- TiO2 sol
- / NMP
- / sol-gel process
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