Process for producing boron nitride

Details Process for producing boron nitride Process for producing boron nitride

1984-08-13

1985-12-31

Doll, John

Chemistry of inorganic compounds

Boron or compound thereof

Binary compound

501 96, C01B 2106

Patent

active

045620504

ABSTRACT:
A process for producing boron nitride is described, comprising reacting at least one boron compound selected from the group consisting of boric acid and metal salt thereof and at least one nitrogen-containing compound which is capable of bonding to the boron compound to form a compound in which a boron atom and a nitrogen atom co-exist, and then heating the compound thus formed at a temperature of at least 600.degree. C. in an atmosphere of inert or reducing gas. This process can produce high purity boron nitride at relatively low temperatures in high yields. Moreover, boron nitride can be obtained in desired crystal forms including a flake-like crystal form.

REFERENCES:
patent: 2824787 (1958-02-01), May et al.
patent: 2922699 (1960-01-01), Lauzau
Kirk-Othmer, Encyclopedia of Chemical Technology, 3rd Ed., vol. 4, 1978, pp. 128, 129; vol. 20, 1982, pp. 67, 77.
Journal of Polymer Science, Part C, No. 19, pp. 283-291 (1967).

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