Melt-spinning acrylonitrile polymer fibers

Details Melt-spinning acrylonitrile polymer fibers Melt-spinning acrylonitrile polymer fibers

1978-08-30

1979-08-07

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264206, 264211, 264342RE, D01F 700

Patent

active

041637704

ABSTRACT:
A single phase fusion melt of an acrylonitrile polymer and water is extruded into a steam-pressurized solidification zone maintained under conditions such that the continuous filament resulting retains sufficient plasticity so that stretching can be effected at a stretch ratio of at least about 25 relative to the linear speed of the single phase fusion melt through the spinnerette.

REFERENCES:
patent: 2585444 (1952-02-01), Coxe
patent: 3896204 (1975-07-01), Goodman et al.
patent: 3984601 (1976-10-01), Blickenstaff

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