Carbon fibers and process for producing the same

Details Carbon fibers and process for producing the same Carbon fibers and process for producing the same

1983-01-24

1984-06-05

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

264 292, 2642107, 2642108, 4234471, D01C 500, D02G 300

Patent

active

044528604

ABSTRACT:
In the course of producing acrylic fibers, the spun filament bundle before the heat stretching treatment is subjected to a special stretching treatment in a warm water bath under a specific condition so that the degree of filament separability of said spun filament bundle traveling through the heat stretching step will be maintained within a prescribed range, and when the acrylic fibers so prepared are heat-treated for carbonization, carbon fibers representing a peculiar load-elongation behavior can be produced in an industrially advantageous manner.

REFERENCES:
patent: 3104938 (1963-09-01), Kocay et al.
patent: 3850876 (1974-11-01), DiEdwardo et al.
patent: 3917776 (1975-11-01), Sato et al.

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