Process for producing pitch for using as raw material for carbon

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and... – By chemical conversion of oil

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Details

208 45, 208 71, 208 89, 208 86, 4234474, C10C 306, C10C 308

Patent

active

044604548

ABSTRACT:
A process for producing a pitch which is used as a raw material for producing carbon fibers is disclosed. The process comprises subjecting a petroleum heavy residual oil to hydrogenation treatment in the presence of catalysts, removing a low boiling point fraction of the oil by reduced pressure distillation, subjecting the resulting reduced pressure distillation residual oil to solvent extraction treatment, and carrying out thermal modification of the resulting extraction component.
By utilizing the process for producing the pitch it is possible to use a wide variety of different types of oils in order to produce carbon fibers. The carbon fibers produced from the pitch produced according to the disclosed process have desirable characteristics.

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