Poly(p-phenylene terephthalamide) articles of high flame strengt

Details Poly(p-phenylene terephthalamide) articles of high flame strengt Poly(p-phenylene terephthalamide) articles of high flame strengt

1996-11-22

1997-10-07

Tsang, Cecilia J.

Stock material or miscellaneous articles

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

428381, 428395, 4284111, 4284744, C08F28304, C08G 6942

Patent

active

056746121

ABSTRACT:
Articles made from poly(p-phenylene terephthalamide) polymer having an inherent viscosity of 1.5 to 4 dL/g, 5 to 20 mols of sulfur, as sulfonate, per 100 mols of polymer repeat units, and at least 0.5 weight percent of tungsten oxides or molybdenum oxides; and the process for making such articles.

REFERENCES:
patent: 4112016 (1978-09-01), Moulds
patent: 4198494 (1980-04-01), Burckel
patent: 4741740 (1988-05-01), Davis et al.
patent: 5319013 (1994-06-01), Kasowski et al.
patent: 5336734 (1994-08-01), Bowen et al.
patent: 5356666 (1994-10-01), Jackson et al.
Clark, "Flame Resistant Fibers" (1974), (Abstract Only) CA#84:107036.
Pleskun, "Flame Resistant Textiles W/Molybdenum & Tungsten", (1973), (Abstract Only), CA#79:6713.

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