Pitch-based carbon fiber and process for preparation thereof

Details Pitch-based carbon fiber and process for preparation thereof Pitch-based carbon fiber and process for preparation thereof

1988-12-07

1991-09-10

Lesmes, George F.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428364, 428399, 428397, 4234471, 4234472, 4234474, 4234476, B32B 900

Patent

active

050472925

ABSTRACT:
A pitch-based carbon fiber having a microstructure consisting of strip-like structural units extended in the longitudinal direction of the fiber, wherein the fractal dimension D of the arrangement of the strip-like structural units in the cross-section of the fiber has a fractal structure satisfying the requirement of the following formula (2) relatively to the observation scale r satisfying the requirement of the following formula (1) with respect to the cross-section of the fiber:

REFERENCES:
patent: 4504454 (1985-03-01), Riggs
patent: 4590055 (1986-05-01), Yamada et al.
patent: 4628001 (1986-12-01), Sasaki et al.
patent: 4818612 (1989-04-01), Hara

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