Process for preparation of porous carbon plates

Details Process for preparation of porous carbon plates Process for preparation of porous carbon plates

1984-06-21

1986-10-28

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

From cellulosic material

162145, 264 296, 264 297, 4234476, 4234477, 4234479, D01F 914

Patent

active

046197966

ABSTRACT:
Porous carbon plates are made by forming a sheet from a mixture comprising 65-90 weight parts of a carbon fiber-forming organic fiber and 10-35 weight parts of a pulp according to a paper-making method; impregnating the sheet with a solution of an organic polymeric substance to prepare an impregnated sheet; subjecting the impregnated sheet to an oxidizing treatment; and then carbonizing the infusibilized sheet at a temperature of at least 800.degree. C. in an inert gas atmosphere.

REFERENCES:
patent: 3174895 (1965-03-01), Gibson et al.
patent: 3539296 (1970-11-01), Selke
patent: 3682595 (1972-08-01), Okuda et al.
patent: 3998689 (1976-12-01), Kitago et al.
patent: 4041116 (1977-08-01), Baud et al.
patent: 4064207 (1977-12-01), DeCrescente et al.
patent: 4080413 (1978-03-01), Layden et al.
patent: 4115528 (1978-09-01), Christner et al.
patent: 4226816 (1980-10-01), Yamamoto et al.
patent: 4234650 (1980-11-01), Schieber
patent: 4434206 (1984-02-01), Fukuda et al.

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