Process for the production of shaped articles of high density gr

Details Process for the production of shaped articles of high density gr Process for the production of shaped articles of high density gr

1975-08-04

1977-09-06

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

252502, 264 293, C01B 3104

Patent

active

040468631

ABSTRACT:
A process for the production of shaped articles of high density graphite ing excellent mold-releasing property which comprises incorporating amorphous carbon powder such as powdery coke or artificial graphite powder with about 3-20% by weight of boric acid or boron oxide as a sintering-promoting agent, and baking the mixture under a pressure of 150-500 kg/cm.sup.2 without the aid of a binding agent such as pitch. Shaped articles of high density graphite possessing excellent mechanical strength are obtained by this process.

REFERENCES:
patent: 2949430 (1960-08-01), Jorgensen
patent: 2987488 (1961-06-01), Clark
patent: 2997744 (1961-08-01), Stoddard et al.

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