Preparation of silanes

Details Preparation of silanes Preparation of silanes

1997-01-10

1998-01-27

Shaver, Paul F.

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

Organic compounds

Silicon containing

423341, 423342, C07F 716

Patent

active

057124051

ABSTRACT:
An (alkylhalo)silane is prepared by using a fluidized bed reactor equipped with a feed line for reactant gas and a delivery line for product gas, charging the reactor with a contact mass comprising metallic silicon powder and a copper catalyst, and feeding a reactant gas containing an alkyl halide through the feed line into the reactor whereby the silane is formed by direct synthesis. A dust collector is connected to the delivery line for collecting the contact mass carried over with the product gas, which is fed back to the reactor. The feed of the reactant gas is controlled such that a linear velocity multiplied by a density may range from 0.2-2 kg/m.sup.2 .multidot.sec.

REFERENCES:
patent: 5015751 (1991-05-01), Feldner et al.
patent: 5063040 (1991-11-01), Ruff
patent: 5312948 (1994-05-01), Freeburne et al.

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