Process for producing flexible graphite product

Details Process for producing flexible graphite product Process for producing flexible graphite product

1979-04-26

1981-01-13

Czaja, Donald E.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264109, C01B 3104

Patent

active

042449340

ABSTRACT:
Wet graphite particles obtained by subjecting graphite particles to oxidizing treatment with nitric acid of comparatively low concentration and a permanganic acid salt and impregnating the treated graphite particles with a specific antioxidant comprising a metal salt of a boric acid ester of a saccharide, are heated to form expanded graphite masses, which are then compressed together to obtain a flexible graphite product. The thus obtained flexible graphite product is not only excellent in heat resistance and chemical inertness but also free of contamination with sulfur and chlorine, and is very useful in various applications.

REFERENCES:
patent: 3206327 (1965-09-01), Diefendorf
patent: 3404061 (1968-10-01), Shane et al.
patent: 3414381 (1968-12-01), Olstowski et al.
patent: 3475244 (1969-10-01), Sanders
patent: 3527856 (1970-09-01), Olstowski

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