Removal of chlorocarbons from organochlorosilanes

Details Removal of chlorocarbons from organochlorosilanes Removal of chlorocarbons from organochlorosilanes

1997-09-19

1998-07-07

Shaver, Paul F.

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

Organic compounds

Silicon containing

C07F 720

Patent

active

057771456

ABSTRACT:
A process for reducing the chlorocarbon content of a mixture comprising an organochlorosilane, a chlorocarbon, and a hydrosilane. The process comprises contacting a mixture comprising as a major portion an organochlorosilane and as a minor portion a chlorocarbon and a hydrosilane with an alumina-zirconia cogel to effect formation of a mixture having reduced chlorocarbon content. When the mixture is contacted with the alumina-zirconia cogel the chlorocarbon reacts with the hydrosilane to form a hydrocarbon that is easily separated from the organochlorosilane. The process improves chlorocarbon removal efficiency while maintaining high throughput rates.

REFERENCES:
patent: 4127598 (1978-11-01), McEntee
patent: 4774347 (1988-09-01), Marko et al.
patent: 4956486 (1990-09-01), Marko et al.
patent: 5138081 (1992-08-01), DeVries et al.

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