Novel molybdenum oxycarbonitride compositions

Details Novel molybdenum oxycarbonitride compositions Novel molybdenum oxycarbonitride compositions

1982-04-28

1984-01-17

Straub, Gary P.

Chemistry of inorganic compounds

Nitrogen or compound thereof

Carbon containing

51293, 51309, 252438, 501 87, 501 96, 501 98, 75238, C01C 300

Patent

active

044263660

ABSTRACT:
Novel molybdenum oxycarbonitride compositions are described together with a general method of synthesis. The compositions can be obtained by the relatively low temperature thermal decomposition of an amine molybdate and can be amorphous, poorly crystalline, or substantially crystalline, and can unexpectedly possess high surface areas in the region of about 60 to 130 m.sup.2 /g and higher. The compositions have the general formula: MoO.sub.a C.sub.b N.sub.c, where a, b and c are non-zero decimal values and the sum: a+b+c, is less than or equal to about one, as evidenced by X-ray diffraction and chemical analyses. The compositions are useful as abrasives, as for removing oxide coatings from metals.

REFERENCES:
patent: 3415760 (1968-12-01), Hadley et al.
patent: 3492100 (1970-01-01), Roubin et al.
patent: 3872136 (1975-03-01), Middelhoek
Nature pp. 1327-1328 (Jun. 1964).
Le Clercq et al., "Preparation of Catalysts II" Elsevier Sci. Publ. 3, 627 (1979).
Boudart et al., "Seventh International Congress on Catalysis", Tokyo, Jul. 3-4 (1980), Preprint A-40.

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