Halogenated aromatic polyester fibers prepared via dry-spinning

Details Halogenated aromatic polyester fibers prepared via dry-spinning Halogenated aromatic polyester fibers prepared via dry-spinning

1977-05-20

1978-12-05

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264211, D01F 600

Patent

active

041286146

ABSTRACT:
Certain halogenated aromatic polyester fibers having reduced spin-line static generation when prepared via dry-spinning from a methylene chloride containing solution are provided by admixing an esterified hindered phenol prior to dry-spinning. A preferred esterified hindered phenol which may be utilized to reduce spin-line static is tetrakis[methylene 3-(3',5'-di-t-butyl-4-hydroxyphenyl) propionate] methane.

REFERENCES:
patent: 3669927 (1972-06-01), Terasaki et al.
patent: 3864448 (1975-02-01), Stackman et al.

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