Process for spinning poly(polymethylene terephthalamide) fiber

Details Process for spinning poly(polymethylene terephthalamide) fiber Process for spinning poly(polymethylene terephthalamide) fiber

1980-04-21

1981-11-17

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

260 292N, 264211, 2642106, D01F 600

Patent

active

043011055

ABSTRACT:
Extruding a homogeneous single phase fusion melt of a poly(polymethylene phthalamide) and water through a spinneret to form filaments and stretching the resulting filaments provides fiber of desirable physical properties without significant lowering of the molecular weight of the polymer forming the fiber.

REFERENCES:
patent: 3324061 (1967-06-01), Tanquavy et al.
patent: 3542715 (1970-11-01), White et al.
patent: 3885014 (1970-05-01), Fukada et al.
patent: 3991153 (1976-11-01), Klausner et al.
patent: 4220617 (1980-09-01), Pfeiffer et al.

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