Process for producing carbon product with coarse and dense struc

Details Process for producing carbon product with coarse and dense struc Process for producing carbon product with coarse and dense struc

1989-05-09

1990-08-21

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

With carbonizing, then adding carbonizable material and...

264 296, 264 43, 264129, 264126, 423449, B05D 302

Patent

active

049504436

ABSTRACT:
A process for producing a carbon product having coarse and dense structures by carbonizing moldings of a mixture of one or more types of organic polymer substance, asphalt pitches, dry distilled pitches to obtain a dense structure carbon by carbonizing in an inert gas atmosphere or with a mixture of fine particle graphite powder as required, and porous organic polymer produced in point contact between the particles by solubilizing the surface layers of the organic polymer particles to obtain coarse structure carbon by sintering in particle state by carbonizing in an inert gas atmosphere, in an inert gas atmosphere after solidification to integrally mold organic liquid composition remaining high carbon residue in a composite composition, and carbonizing the composite composition in an inert gas atmosphere. Thus, a carbon product of continuously irregular quality having coarse and dense structure as designed by integrally producing a porous carbon having high strength and uniform porosity distribution with dense structure carbon moldings can be produced.

REFERENCES:
patent: 3266893 (1966-08-01), Duddy
patent: 3370113 (1968-02-01), Goeddel
patent: 3634569 (1972-01-01), Emanuelson et al.
patent: 3969124 (1976-07-01), Stewart
patent: 4704327 (1987-11-01), Schieber
patent: 4822538 (1989-04-01), Yoshida et al.

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