Aramid spinning process

Details Aramid spinning process Aramid spinning process

1983-04-22

1984-08-21

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264210, D01F 600

Patent

active

044669356

ABSTRACT:
In a dry-spinneret wet-spinning process for the preparation of para-aramid filaments by spinning from sulfuric acid solution, filament tenacity and modulus are increased when the tension is applied to the freshly spun, wet filaments when they contain less than 50% sulfuric acid.

REFERENCES:
patent: 4075269 (1978-02-01), Jones et al.
patent: 4078034 (1978-03-01), Lewis

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