Process for wet spinning nylon 4

Details Process for wet spinning nylon 4 Process for wet spinning nylon 4

1980-06-04

1983-04-12

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264203, D01F 600

Patent

active

043797733

ABSTRACT:
Processes for wet spinning nylon 4 filaments. The processes are characterized by the use of a formic acid spinning dope and an acidic aqueous alkali metal formate coagulation bath maintained at elevated temperatures.

REFERENCES:
patent: 2914376 (1959-11-01), Bibolet et al.
patent: 3060141 (1962-10-01), Black
patent: 3269970 (1966-08-01), Epstein et al.
patent: 3445557 (1969-05-01), Horoldt
patent: 3492390 (1970-01-01), Borner
patent: 3751546 (1973-08-01), Horoldt
patent: 4073837 (1978-02-01), Kouzai et al.
patent: 4185063 (1980-01-01), Chute

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