Method for preparing diamond or diamond-like carbon by combustio

Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon

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427 39, 561 86, 156DIG68, C01B 3106

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active

049816713

ABSTRACT:
A method for preparing diamond or diamond-like carbon, which comprises exciting carbon by decomposing, evaporating and dissociating an organic compound or a carbon material in a combustion flame of at least 600.degree. C. of a hydrocarbon, hydrogen or a mixture thereof and oxygen gas or air, mixing thereto hydrogen in an amount of at least one time by volume the amount of carbon, and maintaining the mixture at a temperature of from 600.degree. to 1,700.degree. C. to precipitate diamond or diamond-like carbon.

REFERENCES:
patent: 3030187 (1962-04-01), Eversole
patent: 3630677 (1971-12-01), Angus
patent: 3705937 (1972-12-01), Dzevitsky et al.
patent: 3714334 (1973-01-01), Vickery
patent: 3749760 (1973-07-01), Deryagin et al.
patent: 4816286 (1989-03-01), Hirose

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