Process for preparing nylon staple fiber

Details Process for preparing nylon staple fiber Process for preparing nylon staple fiber

1989-05-04

1991-04-30

Lorin, Hubert C.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642108, 2642356, 2642905, 264346, D01D 516, D01F 660

Patent

active

050116452

ABSTRACT:
Nylon staple fiber (and precursor continuous filaments in the form of a tow) of high load-bearing capacity is prepared by an improved process of first drawing the tow between multiple feed and draw rolls, followed by both heating and cooling the draw filaments to anneal them under a controlled tension.

REFERENCES:
patent: 3044250 (1962-07-01), Hebeler
patent: 3188790 (1965-06-01), Hebeler
patent: 3311691 (1967-03-01), Good
patent: 3321448 (1967-05-01), Hebeler
patent: 3459845 (1969-08-01), Hebeler
patent: 3651201 (1972-03-01), Brignoe et al.

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