Process for the production of polyester fiber

Details Process for the production of polyester fiber Process for the production of polyester fiber

1974-12-26

1978-08-08

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Reshaping running or indefinite-length work

264210F, D02J 122

Patent

active

041057406

ABSTRACT:
Stretching polyester tows at a speed greater than 150 m/min., wherein more than 85 mol percent of the recurring units are units of ethylene terephthalate, is carried out at a stretch ratio satisfying the formula

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patent: 3936999 (1976-02-01), Ikeda et al.
patent: 3987136 (1976-10-01), Schippers

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