Preparation of silicon nitride powder

Details Preparation of silicon nitride powder Preparation of silicon nitride powder

1986-08-29

1987-10-20

Doll, John

Chemistry of inorganic compounds

Silicon or compound thereof

Binary compound

423406, C01B 21063, C01B 3306

Patent

active

047013168

ABSTRACT:
Silicon nitride powder may be prepared by subjecting a composite comprising at least a monolayer of a carbonaceous pyropolymer possessing recurring units containing at least carbon and hydrogen atoms on the surface of a silica support to the action of nitrogen-containing atmospheres at nitriding conditions to form silicon nitride.

REFERENCES:
patent: 4117095 (1978-09-01), Komeya et al.
patent: 4122152 (1978-10-01), Mori et al.
patent: 4405589 (1983-09-01), Iwai et al.

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