Fire retardant polyester fibers

Details Fire retardant polyester fibers Fire retardant polyester fibers

1972-11-24

1976-01-06

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75P, 260860, C08K 553

Patent

active

039310990

ABSTRACT:
Fire retardant qualities are incorporated into polyester fibers by adding to the polymer, prior to spinning thereof into filaments, not more than about 20 percent, based on the weight of the polymer, of a compound having the general formula: ##SPC1##
Where R is a radical selected from the group consisting of alkyl, aryl, and brominated aryl; where x + y equal 4-8, and where n is an integer of from 2-100.

REFERENCES:
patent: 2572076 (1951-10-01), Fon Toy
patent: 2636876 (1953-04-01), Zenftman et al.
patent: 2743258 (1956-04-01), Coover, Jr.
patent: 2891915 (1959-06-01), McCormack et al.
patent: 3027349 (1962-03-01), Bahr et al.
patent: 3406224 (1968-10-01), McDonough
patent: 3525712 (1970-08-01), Kramer
patent: 3629365 (1971-12-01), Gardner
Hilado, "Flammability Handbook for Plastics," 1969, pp. 85 and 86.

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