Polymeric hydridothiosilazanes, processes for the...

Details Polymeric hydridothiosilazanes, processes for the... Polymeric hydridothiosilazanes, processes for the...

C - Chemistry, Metallurgy

08

G

402/10

C08G 77/60 (2006.01) C04B 35/58 (2006.01) C04B 35/589 (2006.01)

Patent

CA 1311872

Abstract of the disclosure Polymeric hydridothiosilazanes, processes for the prepara- tion thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof. The invention relates to novel polymeric hydridothiosila- zanes, the preparation thereof, the conversion thereof into silicon nitride-containing ceramic material, and this material itself. To prepare the polymeric hydrido- thiosilazanes, oligohydridoalkylsilazanes (RSiHNH)n are reacted with elemental sulfur and ether as solvents. The polymeric hydridothiosilazanes can then be pyrolyzed to form silicon nitride-containing ceramic material.

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