Process for making high tenacity aramid fibers

Details Process for making high tenacity aramid fibers Process for making high tenacity aramid fibers

1997-10-14

1998-12-29

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264184, 26421114, D01D 506, D01F 660

Patent

active

058536400

ABSTRACT:
A process is disclosed for making para-aramid filaments of especially high strength by extruding a solution of para-aramid through fine capillaries and drying the resulting filaments under high tension.

REFERENCES:
patent: 3767756 (1973-10-01), Blades
patent: 4298565 (1981-11-01), Yang
patent: 4340559 (1982-07-01), Yang
patent: 4726922 (1988-02-01), Cochran et al.
patent: 4965033 (1990-10-01), Chiou
patent: 5173236 (1992-12-01), Yang
patent: 5330698 (1994-07-01), Allen et al.

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