Additive-containing fibers

Details Additive-containing fibers Additive-containing fibers

1975-12-02

1977-10-25

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428372, 428921, B29C 1702, D02G 300

Patent

active

040557022

ABSTRACT:
Additives can be permanently incorporated into melt spun fibers by cold drawing the fibers under conditions that generate a network of interconnecting microvoids within the fiber. The microvoids are formed in the presence of specified liquid or vapor media which fill the microvoid network. The temperature of the medium is below the effective glass transition temperature of the fibers containing said medium. The additive is either present in said medium or is applied to drawn fibers containing said medium.

REFERENCES:
patent: 2612679 (1952-10-01), Ladisch
patent: 2862284 (1958-12-01), Wiczer
patent: 3015873 (1962-01-01), Dietzsch et al.
patent: 3069747 (1962-12-01), Adams
patent: 3400189 (1968-09-01), Nacke
patent: 3403070 (1968-09-01), Lewis
patent: 3859151 (1975-01-01), Vincent
patent: 3889038 (1975-06-01), Wiczer

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