Process for the preparation of spherical carbon particles and sp

Details Process for the preparation of spherical carbon particles and sp Process for the preparation of spherical carbon particles and sp

1979-07-31

1981-06-16

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252421, 264 291, 423449, C01B 3110, C01B 3108, C01B 3102, B01J 2118

Patent

active

042736757

ABSTRACT:
Disclosed herein is a process for producing spherical carbon particles in which a pitch or a heavy oil of a low softening point is mixed with an organic solvent to reduce the viscosity thereof and is fused and shaped into spherical particles. Added to the pitch or heavy oil is a material capable of elevating the softening point thereof which is selected from the group consisting of mononitro aromatic compounds, polynitro aromatic compounds, quinones and polycarboxylic acid anhydrides. Also mixed with the pitch is a material capable of preventing the formation of voids in the material, which may be fluid or solid paraffin, polyethylene, alicyclic hydrocarbons, alkylcyclohexanes, fatty alcohols and silicone oil.

REFERENCES:
patent: Re29101 (1977-01-01), Amagi et al.
patent: 3953345 (1976-04-01), Saito et al.
patent: 4045368 (1977-08-01), Katori et al.
patent: 4124529 (1978-11-01), Jungten et al.

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