Rapid stabilization process for carbon fiber precursors

Details Rapid stabilization process for carbon fiber precursors Rapid stabilization process for carbon fiber precursors

1986-07-11

1992-01-07

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Filaments

264 83, 264182, 2642108, 4234476, D01F 912

Patent

active

050789260

ABSTRACT:
Carbon fiber precursors are stabilized regarding their mechanical properties by conducting the stabilization procedure in at least two steps, the first at a temperature at which the maximum plasticity of the polymer is attained while stretching the fiber 10-50% and the second at 200.degree.-300.degree. C., but higher than the first.

REFERENCES:
patent: 3412062 (1968-11-01), Johnson et al.
patent: 4002426 (1977-01-01), Chenevey et al.
patent: 4113847 (1978-09-01), Fukushima et al.
patent: 4256607 (1981-03-01), Yoshida et al.
patent: 4347279 (1982-08-01), Soji et al.
patent: 4362646 (1982-12-01), Ikegami et al.
patent: 4413110 (1983-11-01), Kauesh et al.

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