Aramid fibers with improved flame resistance

Details Aramid fibers with improved flame resistance Aramid fibers with improved flame resistance

1988-02-04

1989-03-21

Cannon, James C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

8490, 8574, 8584, 81301, 8925, 428267, 428395, 428920, D06M 320

Patent

active

048142220

ABSTRACT:
The flame-resistant properties of aramid fibers are improved using a swelling agent to introduce a flame retardant into the fiber. The treated fiber has properties of strength approximating the untreated fiber, flame resistance greater than the untreated fiber and is conveniently dyed to an unlimited range of colors with high color yield. An aqueous dimethylsulfoxide solution is used as the swelling agent.

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patent: 4066396 (1978-01-01), Wolf et al.
patent: 4525168 (1985-06-01), Kelly
patent: 4710200 (1987-12-01), Cates et al.
patent: 4741740 (1988-05-01), Davis et al.

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