Flame resistant wholly aromatic polyamide fibers

Details Flame resistant wholly aromatic polyamide fibers Flame resistant wholly aromatic polyamide fibers

1978-03-30

1980-04-01

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457PH, 260 458A, 260 4595G, 264178F, 2642103, 2642106, 525 2, C08K 552

Patent

active

041961188

ABSTRACT:
A wholly aromatic polyamide fiber which comprises a wholly aromatic polyamide and an organic phosphorus compound having one or more halogen atoms. The wholly aromatic polyamide has repeating units of which at least about 85 mol % are represented by the formula: ##STR1## The amount of the organic phosphorus compound having one or more halogen atoms is such as to provide a halogen atom content of 0.5% to 25.0% and a phosphorus atom content of 0.05% to 6.0% by weight of the wholly aromatic polyamide. The obtained wholly aromatic polyamide fiber has excellent flame-resistance, good color and good fiber properties.

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Hilado, Flammability Handbook for Plastics, 1969, pp. 82-86.

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