High tenacity nylon yarn

Details High tenacity nylon yarn High tenacity nylon yarn

1989-12-18

1991-12-17

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428364, 57243, D02G 300

Patent

active

050734539

ABSTRACT:
A process for producing high tenacity nylon yarn is described. The process comprises a melt-spinning step for producing an as-spun yarn, a solid state polymerization step for increasing the Mw and changing the crystalline characteristics of the nylon polymer of the as-spun yarn, and a drawing step for increasing the tenacity of the yarn.

REFERENCES:
patent: 3090997 (1963-05-01), Au
patent: 3548584 (1970-12-01), Silverman et al.
patent: 3551548 (1970-12-01), Brignac et al.
patent: 3564835 (1971-02-01), Keefe, Jr. et al.
patent: 4496630 (1985-01-01), Kurita et al.
patent: 4701377 (1987-10-01), Kurita et al.
patent: 4758472 (1988-07-01), Kitamura

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