Mechanochemical method of producing triethoxysilane

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...

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Bibliographic Details
Published in:Russian chemical bulletin 2019-02, Vol.68 (2), p.270-274
Main Authors: Temnikov, M. N., Anisimov, A. A., Chistovalov, S. M., Zhemchugov, P. V., Kholodkov, D. N., Zimovets, S. N., Vysochinskaya, Yu. S., Muzafarova, A. M.
Format: Article
Language:English
Subjects:
BOILING
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
COPPER
ETHANOL
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GRINDING
Inorganic Chemistry
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
MASS
MIXTURES
OPTIMIZATION
Organic Chemistry
Parameters
POWER DENSITY
Production methods
Selectivity
SILICON
SYNTHESIS
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Summary: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.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-019-2382-x