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Application

4669457/04, 1989-03-30

(22)

Actual filing date

1989-03-30

(45)

Published

1994-09-15

(72)

Inventor

Кlokov В.А.Sobolevskij М.V.Ufimtsev N.G.Grishutin Ju.Р.Вurylov К.А.Simanenko Еh.А.Рutintsev Ju.I.Filatov А.Р.

PROCESS FOR PREPARING MIXTURE OF ETHYL-SUBSTITUTED SILANES Russian patent published in 1994 - IPC

Abstract SU 1626653 A1

FIELD: chemistry of organosilicon compounds. SUBSTANCE: magnesium is reacted with tetraethoxysilane, ethyl chloride and SiCl4 in toluene in a counterflow addition of magnesium. Magnesium is used in the form of grains having acute-angled faces and a bulk density of 0,45-0,65 g/cm3, with the ratio of fractions of less than 0.5 mm (0.5-1.0 mm) and greater than 1.0 m (0.1-0.9), (8.2-9.0) and (0.1-0.9). These conditions make it possible to reduce the amount of tetraethoxysilane in admixture with silicon chloride from 55 to 45 wt % and to increase the process efficiency accordingly. EFFECT: greater process efficiency and reduced amount of tetraethoxysilane.

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SU 1 626 653 A1

Authors

Кlokov В.А.

Sobolevskij М.V.

Ufimtsev N.G.

Grishutin Ju.Р.

Вurylov К.А.

Simanenko Еh.А.

Рutintsev Ju.I.

Filatov А.Р.

Dates

1994-09-15—Published

1989-03-30—Filed

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