High strength aramid spun yarn

Details High strength aramid spun yarn High strength aramid spun yarn

1982-06-18

1984-10-16

Kendell, Lorraine T.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

19 035, 57200, 57907, 428359, 428362, 428364, 428369, 428373, D02G 300

Patent

active

044775261

ABSTRACT:
High strength, high modulus, continuous filament aromatic polyamide yarns are stretch broken under high tension while being sharply deflected in a lateral direction by mechanical means to provide a sliver which is processed by conventional means to a high strength, high modulus spun yarn. The broken ends of the fibers are highly fibrillated to fibrils having lengths of 50-350 times the diameter of the unfibrillated portion of each fiber.

REFERENCES:
patent: 2941259 (1960-06-01), Lohrke, Jr.
patent: 3627737 (1971-12-01), Smith
patent: 3767756 (1973-10-01), Blades
patent: 3817941 (1974-06-01), Bair et al.
patent: 3869430 (1975-03-01), Blades
patent: 4364998 (1982-12-01), Wei

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