Polysilazanes, process for the preparation thereof, silicon...

Details Polysilazanes, process for the preparation thereof, silicon... Polysilazanes, process for the preparation thereof, silicon...

C - Chemistry, Metallurgy

07

F

402/10, 23/195,

C07F 7/10 (2006.01) C04B 35/58 (2006.01) C04B 35/589 (2006.01) C08G 77/62 (2006.01)

Patent

CA 1331624

Abstract of the disclosure The invention relates to novel polysilazanes, the prepara- tion thereof, the further processing thereof to form silicon nitride-containing ceramic material, and this material itself. In order to prepare the polysilazanes, dialkylaminoorganyldichlorosilanes of the formula RSiCl2-NR'R' are reacted wtih ammonia. The polysilazanes can then be pyrolyzed to form silicon nitride-containing ceramic material. The polysilazanes according to the invention dissolve in customary aprotic solvents.

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