Process for spinning hygroscopic filaments and fibers

Details Process for spinning hygroscopic filaments and fibers Process for spinning hygroscopic filaments and fibers

1978-03-16

1980-09-23

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Layered, stratified traversely of length, or multiphase...

264205, 264206, 428373, 428376, D01F 618, B29F 310

Patent

active

042242690

ABSTRACT:
The invention relates to a process for the production of hygroscopic filaments or fibers by dry-spinning a polymer solution wherein immediately they issue from the spinning jet or at the latest at a time when their solidification is still not complete, the filaments are brought into contact with water-vapour or with the vapour of another liquid which coagulates filaments.

REFERENCES:
patent: 1838121 (1931-12-01), Veles
patent: 2032606 (1936-03-01), Whitehead
patent: 2425782 (1947-08-01), Bludworth et al.
patent: 2688010 (1954-08-01), Chaney
patent: 2876494 (1959-03-01), Janssen et al.
patent: 3415922 (1968-12-01), Carter et al.
patent: 3828014 (1974-08-01), Weeden et al.
patent: 3873508 (1975-03-01), Turner

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