期刊
RUSSIAN CHEMICAL BULLETIN
卷 68, 期 2, 页码 270-274出版社
SPRINGER
DOI: 10.1007/s11172-019-2382-x
关键词
triethoxysilane; direct synthesis; alkoxysilanes; mechanochemistry; mechanochemical activation; vibro-boiling layer
资金
- Russian Science Foundation [14-23-00231]
- Russian Science Foundation [14-23-00231] Funding Source: Russian Science Foundation
A mechanochemical method for synthesis of triethoxysilane from silicon-copper contact mass and ethyl alcohol in the developed vibration reactor is presented. It is shown that the process of a direct alkoxysilane synthesis in the vibro-boiling layer is affected by a series of control parameters such as the ratio between the contact mass and the mass of grinding bodies, the grinding body sizes and their ratios in a polydisperse mixture, power density. Optimization of these parameters allowed us to obtain HSi(OEt)(3) with a selectivity of 50% at a silicon conversion of 90% without the use of promoters.
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