Process for the production of silicon nitride and product made a

Details Process for the production of silicon nitride and product made a Process for the production of silicon nitride and product made a

1991-05-09

1992-05-19

Chaudhuri, Olik

Chemistry of inorganic compounds

Silicon or compound thereof

Binary compound

423406, C01B 2106

Patent

active

051146932

ABSTRACT:
The present invention provides a process for the production of silicon nitride by the reaction of silicon and nitrogen, wherein, in one reaction step, silicon powder is reacted with nitrogen which continuously rotates at a temperature of from 1000.degree. to 1800.degree. C. and at a pressure of from 1.01 to 1.8 bar up to a nitrogen content of 1 to 39.5% by weight.
The present invention also provides a silicon nitride produced by this process wherein it is obtained in porous form and has the following properties.

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