Process for producing rhombohedral system boron nitride

Details Process for producing rhombohedral system boron nitride Process for producing rhombohedral system boron nitride

1982-03-10

1983-12-06

Carter, Herbert T.

Chemistry of inorganic compounds

Boron or compound thereof

Binary compound

C01B 2106

Patent

active

044193351

ABSTRACT:
Rhombohedral system boron nitride is produced by heating a boron material selected from the group consisting of boron oxide, boric acid and an oxygen-containing boron compound capable of forming boron oxide when heated, at a temperature of from 1200.degree. to 2100.degree. C. to vaporize boron oxide and reacting the vaporized boron oxide with hydrogen cyanide or cyanogen gas.

REFERENCES:
patent: 1135232 (1915-04-01), Weintraub
patent: 2839366 (1958-06-01), Kamlet
patent: 3232706 (1966-02-01), Kuhn
Mellor, J. W.,; Comp. Treat on Inorg. & Theor. Chem., vol. 8, Longmans, Green & Co.; N.Y. 1928, p. 109.
Williams, Herbert E. The Chemistry of Cyanogen Compounds London J & A Churchill copyright 1915, p. 3.
T. Ishii, T. Sato, Y. Sekikawa and M. Iawata, Journal of Crystal Growth, vol. 52, Part 1, 285-289 (1981).
T. Ishii, T. Sato, Y. Sekikawa and Y. Matsui, Journal of Materials Science, vol. 16, 1114-1116 (1981).
Herold et al., Compt. Rend, 246, 1866-1868 (1958).

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