Selective production of dimethyldichlorosilane

Details Selective production of dimethyldichlorosilane Selective production of dimethyldichlorosilane

1986-02-24

1987-08-04

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 708

Patent

active

046847413

ABSTRACT:
Dimethyldichlorosilane is selectively and efficiently prepared by reacting methyl chloride with a solid contact mass comprising silicon and a catalytically effective amount of copper or a copper compound, said copper catalyst comprising (i) from about 10 to 1000 ppm of tin, antimony, or admixture thereof, or of a tin or antimony compound, or admixture thereof, (ii) from about 0.01 to 2% by weight of at least one of the metallic additives beryllium, calcium and magnesium, or compound thereof, and, optionally, (iii) from about 0.01 to 3% by weight of zinc or a zinc compound.

REFERENCES:
patent: 2865939 (1958-12-01), Little et al.
patent: 2877254 (1959-03-01), Enk et al.
patent: 4500724 (1985-02-01), Ward et al.

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