Production of organosilanes from polysilanes

Details Production of organosilanes from polysilanes Production of organosilanes from polysilanes

C - Chemistry, Metallurgy

07

F

C07F 7/12 (2006.01)

Patent

CA 2091513

PRODUCTION OF ORGANOSILANES FROM POLYSILANES ABSTRACT The present invention is a process for the production of organosilanes from the high-boiling residue resulting from the reaction of organohalides with silicon metalloid in a process typically referred to as the "direct process." The present process comprises forming a mixture comprising a organotrihalosilane and the high-boiling residue in the presence of hydrogen gas, a hydrogenolysis catalyst and a redistribution catalyst. The organotri- halosilane and high-boiling residue are converted into commercially useful di- and triorganosilanes and organohydrosilanes. The present process results in consumption of the organotrihalosilane rather than the net increase which typically occurs in the absence of the redistribution catalyst.

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