Polyether imide fibers

Details Polyether imide fibers Polyether imide fibers

1988-05-23

1990-07-24

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428364, 428374, 428224, D02G 300

Patent

active

049434810

ABSTRACT:
Melt-spun polyether imide fibers are disclosed wherein the granules are brought to a moisture content of below 0.05%, the melt is extruded from nozzles at a temperature between 300.degree. and 440.degree. C., and the spun fibers are taken up at a speed of up to 2,500 m/min. Fibers produced in this fashion can be stretched up to 1:3 and spin-dyed.

REFERENCES:
patent: 4163030 (1979-07-01), Banucci et al.
patent: 4299787 (1981-11-01), Gagliani
patent: 4370290 (1983-01-01), Makino et al.
patent: 4728698 (1988-03-01), Isayev et al.
patent: 4770915 (1988-09-01), Nakagawa et al.
patent: 4835047 (1989-05-01), Isayev et al.

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