Chemistry of inorganic compounds – Carbon or compound thereof – Elemental carbon
Patent
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
Doll John
Franks Robert A.
Sandford Dean
Union Oil Company
Wirzbicki Gregory F.
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