Preparation of mixed boron and aluminum nitrides

Details Preparation of mixed boron and aluminum nitrides Preparation of mixed boron and aluminum nitrides

1987-12-10

1988-08-16

Doll, John

Compositions: ceramic

Ceramic compositions

Refractory

264 66, 423290, 423412, C04B 3558

Patent

active

047644893

ABSTRACT:
Method for making a ceramic mixture of boron and aluminum nitrides in the ratio of about 0.2 to 20 g atoms of aluminum per g atom of boron, and method for making shaped articles of the ceramic and of the intermediate from which the ceramic is prepared, comprising the steps (i) reacting a boron nitrogen compound with an organoaluminum compound in a suitable solvent to form a shapeable intermediate, and (ii) heating the intermediate at temperatures and under conditions to effect formation of the mixed nitrides.

REFERENCES:
patent: 3711594 (1973-01-01), Bienert et al.
patent: 4545968 (1985-10-01), Hirano et al.
patent: 4642298 (1987-02-01), Kuramoto et al.
patent: 4650777 (1987-03-01), Kurokawa et al.
patent: 4666873 (1987-05-01), Morris et al.

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