Crimped, high-strength rayon yarn and method for its preparation

Details Crimped, high-strength rayon yarn and method for its preparation Crimped, high-strength rayon yarn and method for its preparation

1976-02-06

1978-10-17

Woo, Jay H.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

264168, 264198, 264193, 264194, 428373, 428374, 428376, 428397, D01F 206, D01D 522

Patent

active

041210123

ABSTRACT:
A crimped, high-strength regenerated cellulose yarn of filaments having a broken skin-core cross-sectional structure of which the skin comprises at least about 20 up to about 40% of the cross-sectional area, the peripheral skin surface is substantially smooth and the core section is "blown-out;" and a method of preparing the yarn from a specified viscose and spinning bath wherein the formed yarn is highly stretched and then crimped in the relaxed state in a plasticizing medium.

REFERENCES:
patent: 2937922 (1960-05-01), Mitchell et al.
patent: 2942931 (1960-06-01), Mitchell et al.
patent: 3277226 (1966-10-01), Bockno et al.
patent: 3296000 (1967-01-01), Bockno et al.
patent: 3434913 (1969-03-01), Bockno et al.
patent: 3494996 (1970-02-01), Stevens et al.

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