Process for producing carbon articles

Details Process for producing carbon articles Process for producing carbon articles

1982-12-23

1984-08-21

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264 294, 264 296, B29C 2500

Patent

active

044669321

ABSTRACT:
A process for producing a carbon article, which comprises molding a precursor article under heat from a heat-moldable resin composition at least containing a granular or powdery resin resulting from the condensation of a phenol, an aldehyde and optionally a nitrogen-containing compound having at least two active hydrogens, said resin being characterized by (A) containing spherical primary particles and their agglomerated secondary particles, each of which has a particle diameter in the range of 0.1 to 150 microns, (B) having such a size that at least 50% by weight thereof can pass through a 100 Tyler mesh sieve, and (C) having a free phenol content, determined by liquid chromatography, of not more than 500 ppm, or from a heat-moldable species of said resin alone, and thereafter carbonizing the precursor article.

REFERENCES:
patent: 3084394 (1963-04-01), Bickerdike et al.
patent: 4071604 (1978-01-01), Schwemer
patent: 4399052 (1983-08-01), Sugino
patent: 4414378 (1983-11-01), Kyogama et al.
patent: 4414379 (1983-11-01), Kyogama et al.

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