Densified carbonaceous bodies with improved surface finishes

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

1985-01-09

1985-10-22

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

423445, 4283044, 521186, 521189, C08J 902

Patent

active

045489572

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.

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