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

1986-06-10

Foelak, Morton

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having a component wherein a constituent is liquid...

4234474, 428403, 428407, 428408, 521 77, 521 82, 521 99, 521186, 521189, C08J 902

Patent

active

045942870

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: 3390107 (1968-06-01), Tashlick et al.
patent: 3779955 (1973-12-01), Wade
patent: 3919127 (1975-11-01), Larson et al.
patent: 4132683 (1979-01-01), Larson et al.
patent: 4548957 (1985-10-01), Hucke

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