Solution annealing of aramid and structurally related fibers

Details Solution annealing of aramid and structurally related fibers Solution annealing of aramid and structurally related fibers

1978-11-03

1980-10-14

Marquis, Melvyn I.

Bleaching and dyeing; fluid treatment and chemical modification

Synthetic fiber dyeing

Polyamide fiber

8925, 264184, 264234, 264235, 525410, 525419, 525420, D06P 324

Patent

active

042278856

ABSTRACT:
A process for improving tensile properties of aramid fibers and structurally related fibers is described. The process involves soaking the fibers in a liquid tertiary amine maintained at a temperature of at least 80.degree. C.

REFERENCES:
patent: 3771949 (1973-11-01), Hermes
patent: 3796693 (1974-04-01), Morgan et al.
patent: 4115503 (1978-09-01), Bach
Tincher et al., Protection of Nomex from Ultraviolet Degradation, AD-A041494, Mar. 1977, U.S. Dept. Commerce National Technical Information Service, (pp. 1 to 141).

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