Densified carbonaceous bodies with improved surface finishes

Details Densified carbonaceous bodies with improved surface finishes Densified carbonaceous bodies with improved surface finishes

1985-07-29

1988-08-02

Doll, John

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

423448, 423449, C01B 3102

Patent

active

047612720

ABSTRACT:
A liquid impregnant containing furfural, an acid catalyst and a pore-forming agent comprising a surfactant, e.g. a polyalkylene oxide adduct, is impregnated into fine grained, isotropic graphite bodies and then polymerized and pyrolyzed. An increase in the density of the impregnated body and an improved surface finish is obtained by means of the liquid impregnant and method of this invention.

REFERENCES:
patent: 3628984 (1971-12-01), Ishikawa
patent: 3859421 (1975-01-01), Hucke
patent: 4115528 (1978-09-01), Christner et al.
patent: 4226900 (1980-10-01), Carlson et al.
patent: 4425316 (1984-01-01), Hucke

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