Crimped carbonaceous fibers

Details Crimped carbonaceous fibers Crimped carbonaceous fibers

1994-05-03

1996-12-10

Edwards, N.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428362, 428369, 428408, B32B 900

Patent

active

055829120

ABSTRACT:
The present invention resides in ignition resistant non-linear carbonaceous fiber or fiber tow having a reversible deflection ratio of greater than 1:1 but equal to or less than 1.2:1. The fibers have a multiplicity of crimps along their length with a crimp frequency on the order of from 6 to 15 crimps per inch. Fibers of the invention have an elongatability of from about 2 to about 9%, a pseudo-elongatability of from about 0.2 to about 18%, and a tenacity without a loss of elongation on the order of at least 6 g/d. The carbonaceous fibers can be used, for example, as thermal insulation and/or fire resistant insulation in vehicles, building structures or clothing in furniture coverings, carpets, and the like, and can be used alone or blended with other fibers to form fine yarns.

REFERENCES:
patent: 4005183 (1977-01-01), Singer
patent: 4837076 (1989-06-01), McCullough et al.
patent: 4857394 (1989-08-01), McCullough
patent: 4879168 (1989-11-01), McCullough, Jr. et al.
patent: 4977654 (1990-12-01), McCullough
patent: 4979274 (1990-12-01), McCullough, Jr. et al.
patent: 5024877 (1991-06-01), McCullough
patent: 5356707 (1994-10-01), McCullough
Aaron D. Deutschman, Machine Design, 1975.

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