Chemistry of inorganic compounds – Silicon or compound thereof – Halogen containing
Patent
1990-12-12
1992-11-03
Chaudhuri, Olik
Chemistry of inorganic compounds
Silicon or compound thereof
Halogen containing
423347, 502337, 502339, C01B 33107
Patent
active
051607204
ABSTRACT:
The present invention is a process for the production of silanes from the contact of hydrogen chloride with silicon. The silicon may be in the form of silicon metal or a silicon containing material. The described process employs a catalyst which increases the yield of tetrachlorosilane. The catalyst is selected from a group consisting of tin and tin compounds, nickel and nickel compounds, arsenic and arsenic compounds, palladium and palladium compounds, and mixtures thereof. The process is run at a temperature of about 250.degree. C. to 500.degree. C.
REFERENCES:
patent: 2865706 (1958-12-01), Fitch et al.
patent: 3133109 (1964-05-01), Dotson
patent: 4044109 (1977-08-01), Kotzsch et al.
patent: 4585643 (1986-04-01), Barker
Halm Roland L.
Zapp Regie H.
Boley William F.
Chaudhuri Olik
Dow Corning Corporation
Horton Ken
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