Method of cross linking and hardening of graphitic formed bodies

Details Method of cross linking and hardening of graphitic formed bodies Method of cross linking and hardening of graphitic formed bodies

1974-12-09

1976-06-15

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08J 900

Patent

active

039636518

ABSTRACT:
A method of cross-linking and hardening with the aid of heat a porous for body of a synthetic graphite or similar material, especially a fine granular graphite, which is bonded by means of a synthetic resin binding agent on a novolak basis. The thus formed porous body is a temperature of from 100.degree.C to 200.degree.C gassed by a quantity of formaldehyde which quantity depends on the predetermined extent of cross-linking of the formed body, while the formaldehyde is caused to pass from the outer surface of the formed body into the interior thereof.

REFERENCES:
patent: 3708442 (1973-01-01), Franck et al.
patent: 3759848 (1973-09-01), Omran et al.
patent: 3784487 (1974-01-01), Franck et al.

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