Method for producing pitch-based carbon fibers

Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Filaments

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264130, 26421111, D01F 9145, D01F 1114

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active

052563430

ABSTRACT:
Pitch-based carbon fibers on which silicone based spin finish oils remain in the amount of 0.1-2.0% by weight of said fibers and having a stack height of the crystallites L.sub.C (002) of 16-28.ANG., an interlayer spacing distance d.sub.002 of 3.46-3.49.ANG., a tensile strength of 5-50 Kgf/mm.sup.2 and an elongation of 0.3-8.0% are provided. The said pitch-based carbon fibers show good cohesiveness and lubricity of fiber bundles and superior in adaptation to various kinds of processes.

REFERENCES:
patent: 3976729 (1976-08-01), Lewis et al.
patent: 4005183 (1977-01-01), Sirjer
patent: 4138525 (1979-02-01), Schulz
patent: 4582662 (1986-04-01), Koga et al.
patent: 4618463 (1986-10-01), Uemura et al.
Chemical Abstracts 107:156254z (1987).

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