Method of obtaining porous solids based on refractory carbide

Details Method of obtaining porous solids based on refractory carbide Method of obtaining porous solids based on refractory carbide

1994-06-16

1995-10-24

Fiorilla, Christopher A.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Controlling varying temperature or plural heating steps

264 66, 423291, 423345, 423439, 423440, C01B 3130, C01B 3136

Patent

active

054607590

ABSTRACT:
The disclosure teaches a method for obtaining porous solids of refractory carbide with a large specific surface area. An exclusively organic, polymeric and/or copolymerizable compound, for example a resin, which can be coked and to provide a solid carbon skeleton, is mixed with a powder of metal, or metalloid, or a compound thereof which can be reduced by carbon. The mixture is shaped, the organic compound is cross-linked or hardened, and the compound is heat treated from 500.degree. to 1000.degree. C. to coke it, then heat treated to carburize it.

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patent: 3947550 (1976-03-01), Fitchmun
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patent: 4354961 (1982-10-01), Kamiyama et al.
patent: 4948573 (1990-08-01), Nadkarni et al.
patent: 4978650 (1990-12-01), Coughlin et al.

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