Method for spinning para-aramid fibers of high tenacity and high

Details Method for spinning para-aramid fibers of high tenacity and high Method for spinning para-aramid fibers of high tenacity and high

1991-03-08

1992-12-22

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

26421116, 264233, D01F 660

Patent

active

051732360

ABSTRACT:
A process for spinning para-aramid fibers of increased tenacity and elongation at break by using an air-gap means with a spinneret capillary of less than 2.5 mils diameter, a coagulation bath temperature of less than 10C, and tension on the fibers during washing and drying of more than 0.05 and less than 0.35 gpd.

REFERENCES:
patent: 3869429 (1975-03-01), Blades
patent: 4016236 (1977-04-01), Nagasawa et al.
patent: 4560743 (1985-12-01), Fujiwara et al.
patent: 4859393 (1989-08-01), Yang et al.

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