Nonlinear aromatic polyamide fiber or fiber assembly

Details Nonlinear aromatic polyamide fiber or fiber assembly Nonlinear aromatic polyamide fiber or fiber assembly

1989-11-21

1990-09-18

Kendell, Lorraine T.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Embodying intertwined or helical component

428221, 428224, 428292, 428362, 428364, 428367, 428369, 428371, 428373, 428408, D02G 300

Patent

active

049578073

ABSTRACT:
The invention resides in a nonlinear heat set aromatic polyamide fiber having a reversible deflection of greater than 1.2:1 at ambient temperatures, an aspect ratio of greater than 10:1, and a bending strain value less than 50%, and the method of preparing said fiber.

REFERENCES:
patent: 4143197 (1979-03-01), Jasionowicz et al.
patent: 4143384 (1979-03-01), Jasionowicz et al.
patent: 4401588 (1983-08-01), Turner
patent: 4482603 (1984-11-01), Yoshida et al.
patent: 4525384 (1985-06-01), Aoki et al.
patent: 4642664 (1987-02-01), Goldberg et al.
patent: 4723959 (1988-02-01), Miyamichi et al.
patent: 4752514 (1988-06-01), Windley
patent: 4857404 (1989-08-01), McCullough, Jr.
PCT WO86/06110 by McCullough et al, published Oct. 23, 1986, "Carbonaceous Fibers with Spring-Like Reversible Deflection and Method of Manufacture".

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