Polymer precursors for aluminum nitride

Details Polymer precursors for aluminum nitride Polymer precursors for aluminum nitride

C - Chemistry, Metallurgy

08

G

C08G 79/10 (2006.01) C01B 21/072 (2006.01) C04B 35/581 (2006.01)

Patent

CA 2045002

1062p (FF) J. A. Jensen Case 1 POLYMER PRECURSORS FOR ALUMINUM NITRIDE Abstract of the Disclosure An aluminum-nitrogen polymer is prepared by reacting an organic nitrile with a dialkylaluminum hydride to form an organoaluminum imine, and heating the imine to a temperature of 50° to 200°C. The polymeric product can be subjected to an additional heat treatment to form a more highly cross- linked polymer. After either heat treatment the polymeric product can be further reacted with a primary amine or ammonia. The organoaluminum imine as well as the aminated or nonaminated polymers can be pyrolyzed in a nonoxidizing atmosphere to form an aluminum nitride-containing ceramic.

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