Nylon spin-texture process

Details Nylon spin-texture process Nylon spin-texture process

1982-11-23

1984-07-03

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

With crimping or crinkling of strands of filaments

2642108, 264211, D01D 522

Patent

active

044578830

ABSTRACT:
In producing nylon yarns having latent crimp by the process disclosed in U.S. Pat. No. 4,202,854, the polymer throughput (i.e. extrusion rate) is increased without sacrificing the amount of uniformity of the bulk resulting from development of the latent crimp by adding a nucleating agent, such as calcium fluoride, to the nylon prior to extrusion.

REFERENCES:
patent: 3529929 (1970-09-01), Page et al.
patent: 3755221 (1973-08-01), Hitch
patent: 4176227 (1979-11-01), Baggett et al.
patent: 4202854 (1980-05-01), Howse et al.
patent: 4271233 (1981-06-01), Plischke et al.
patent: 4280860 (1981-07-01), Shen et al.
patent: 4293614 (1981-10-01), Plischke et al.
patent: 4301102 (1981-11-01), Fernstrom et al.

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