Preoxidized fiber and process for producing the same

Details Preoxidized fiber and process for producing the same Preoxidized fiber and process for producing the same

1983-09-08

1985-08-20

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

264 292, 427227, 427384, 427394, 428367, C01B 3107, D02G 300

Patent

active

045364486

ABSTRACT:
A preoxidized fiber suitable for producing carbon fiber, comprising preoxidizing an acrylic fiber having thereon an ammonium salt of a fatty ester represented by formula [A] and [B] ##STR1## wherein R.sub.1 is an aliphatic hydrocarbon group having from 11 to 17 carbon atoms; R.sub.2 and R.sub.3 can each be hydrogen, a lower alkyl group, a hydroxyethyl group, or an hydroxyisopropyl group; and X.crclbar. is an anion.
The preoxidized fiber produced from the acrylic fiber has very little coalescence, and therefore high-strength carbon fiber can be obtained from this preoxidized fiber.

REFERENCES:
patent: 2626876 (1953-01-01), Carnes
patent: 3048539 (1962-08-01), Kocay et al.
patent: 4024227 (1977-05-01), Kishimoto et al.

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