Process for preparing dimethyldichlorosilane

Details Process for preparing dimethyldichlorosilane Process for preparing dimethyldichlorosilane

1996-06-25

1997-04-29

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 716

Patent

active

056250886

ABSTRACT:
A process for preparing dimethyldichlorosilane by reacting chloromethane with silicon in the presence of a catalyst combination comprising the metals or compounds of the metals copper, zinc and tin and/or antimony, and chlorosilanes or chlorodisilanes as activators. The activators are fed into the reactor as a gas containing at most 15% by volume of hydrogen.

REFERENCES:
patent: Re33452 (1990-11-01), Ward, III et al.
patent: 2478493 (1949-08-01), Levine
patent: 2710875 (1955-06-01), Daudt
patent: 2865939 (1958-12-01), Little et al.
patent: 4973725 (1990-11-01), Lewis et al.
patent: 5243061 (1993-09-01), Webb et al.
patent: 5306328 (1994-04-01), Streckel et al.
"Direct Formation of (CH.sub.3).sub.2 HSiCl from Silicon and CH.sub.3 Cl" by Margrini et al. J.Phys. Chem. 1989, 93, 5563-5568.

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