Ceramic vapor deposited coating using a steam-containing carrier

Coating processes – Interior of hollow article coating – Coating by vapor – gas – mist – or smoke

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427238, 427239, 4272481, 427255, B05D 722, C23C 1600

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active

054240956

ABSTRACT:
In order to reduce the rate of coke formation during the industrial pyrolysis of hydrocarbons, the interior surface of a reactor is coated with a uniform layer of a ceramic material, the layer being deposited by thermal decomposition of a non-alkoxylated organosilicon precursor in the vapor phase, in a steam containing gas atmosphere in order to form oxide ceramics.

REFERENCES:
patent: 4099990 (1978-07-01), Brown et al.
patent: 5208069 (1993-05-01), Clark et al.
Maury et al, "OMCVD of silicon carbide nitride mixtures using various organosilazane precursors", Proc. Eur. Conf. Chem. Vap. Deposition, 6th, Edited by Porat (1987) pp. 390-397 (Abstract).
Obfescu et al, "Chemical vapor deposition of amorphous layers of the type Si.sub.x N.sub.y/ Si.sub.x N.sub.y H.sub.z", Rom. R0101060B1, Nov. 26, 1992 (Abstract).
D. E. Brown et al., "Inhibition of Coke Formation in Ethylene Steam Cracking", Coke Formation on Metal Surfaces, Edited by Lyle F. Albright et al., American Chemical Society Series 202, p. 2, 1982.
Based on a symposium jointly sponsored by The ACS Divisions of Petroleum and Industrial and Engineering Chemistry at the 182nd Meeting of the ACS, N.Y., N.Y., Aug. 23-28, 1981.

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