Process for the production of high strength yarns by spin-stretc

Details Process for the production of high strength yarns by spin-stretc Process for the production of high strength yarns by spin-stretc

1981-07-09

1983-02-22

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

2642108, 264342RE, D01D 516

Patent

active

043747973

ABSTRACT:
An improved process for the spin-drawing of high-tenacity, technical-grade yarns is disclosed. The process produces yarns of high industrial quality having a low break elongation and low reference elongation, or a low heat shrinkage and low reference elongation. The process is especially suitable for yarns of polyamide and polyester.

REFERENCES:
patent: 3715421 (1973-02-01), Martin et al.
patent: 4003974 (1977-01-01), Chantry et al.
patent: 4070432 (1978-01-01), Tamaddon
patent: 4228120 (1980-10-01), Bromley et al.
patent: 4229500 (1980-10-01), Adachi et al.
patent: 4237187 (1980-12-01), Raybon et al.
patent: 4251481 (1981-02-01), Hamlyn

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