Process for the production of silicon nitride type molded...

C - Chemistry – Metallurgy – 04 – B

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25/128, 18/576

C04B 35/00 (2006.01) C04B 35/589 (2006.01) C04B 35/80 (2006.01)

Patent

CA 1182281

Abstract of the disclosure: A process for the production of silicon nitride type molded bodies, comprising the steps of: reacting together (1) a silicon halide or a polymerizable group-containing organohalogenosilane, (2) a monomer co-polymerizable with said polymerizable group or a monomer containing a plurality of polymeriz- able groups and (3) ammonia gas or an ammonia-producing compound to obtain a compound containing a silazane group copolymerized with the polymerizable group, molding the silazane group-containing compound together with or without a polyhydric alcohol or a base material and heating the resulting molded body in a N2 or NH3 atmosphere thereby to produce the silicon nitride type molded body.

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