Process for producing pitch carbon fibers

Details Process for producing pitch carbon fibers Process for producing pitch carbon fibers

1986-01-17

1987-04-07

Doll, John

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

4234474, 4234476, 264 292, D01C 508, D01F 912

Patent

active

046560220

ABSTRACT:
In the process for producing pitch carbon fibers by melt-spinning a carbonaceous pitch, and infusiblizing the resulting pitch fibers followed by carbonization and, additionally as needed, graphitization, the pitch fibers are subjected to infusiblization treatment following application of a dimethyl polysiloxane having a viscosity at 25.degree. C. in the range between 0.5 and 500 cSt and removing said dimethyl polysiloxane by washing prior to the carbonization.

REFERENCES:
patent: 3552922 (1971-01-01), Ishikawa et al.
patent: 4009248 (1977-02-01), Kishimoto et al.
patent: 4259307 (1981-03-01), Marayama
patent: 4460557 (1984-07-01), Takashima et al.

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