Fibers of ionic polymers

Details Fibers of ionic polymers Fibers of ionic polymers

1980-08-21

1982-08-10

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

260DIG23, 428372, 428379, D02G 300

Patent

active

043438598

ABSTRACT:
The present invention relates to an improved process for forming elastomeric fibers for elastic yarn from neutralized sulfonated elastomeric polymers, and novel elastomeric fiber compositions derived therefrom, wherein the neutralized sulfonated elastomeric polymer is dissolved in a mixed solvent consisting of a backbone solvent and a polar cosolvent and spun into fibers. The neutralized sulfonated elastomeric polymer has about 10 to about 50 meq. sulfonate groups per 100 grams of sulfonated elastomeric polymer, of which at least 95% are neutralized with a cation being selected from the group consisting of antimony, iron, lead, aluminum, and Groups I-A, II-A, IB and II-B of the Periodic Table of Elements and mixtures thereof. The solution of the neutralized sulfonated elastomeric polymer having a Brookfield viscosity at room temperature at about 6 rpm of about 1,000 to about 200,000 cps is fabricated into fibers by wet or dry spinning through a spinner having a plurality of orifices therein. The resultant elastomeric fibers exhibit improved dimensional stability, and resistance to solvents and superior holding power, when fabricated into an elastomeric yarn.

REFERENCES:
patent: 2245310 (1941-06-01), Waterman
patent: 3642728 (1972-02-01), Canter
patent: 3974240 (1976-08-01), Bock et al.
patent: 3974241 (1976-08-01), Lundberg et al.
patent: 4158653 (1979-06-01), Chung

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