Method of preparing phosphorus-bromine containing fire retardant

Details Method of preparing phosphorus-bromine containing fire retardant Method of preparing phosphorus-bromine containing fire retardant

1971-04-08

1976-01-13

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75P, 260860, C08K 553

Patent

active

039323510

ABSTRACT:
Fire retardant qualities are incorporated into polyester fibers by adding to the polymer, prior to spinning thereof into filaments, not more than 25 percent, based on the weight of the polymer, of a compound having the general formula: ##SPC1##
Where R and R' are radicals selected from the group consisting of hydrogen, methyl, ethyl, aryl, and brominated aryl; where R" is a radical selected from the group consisting of alkyl, aryl, and brominated aryl; and where n is an integer of from 1 to about 100.

REFERENCES:
patent: 2572076 (1951-10-01), Toy
patent: 2682522 (1954-06-01), Coover, Jr. et al.
patent: 3027349 (1962-03-01), Bahr et al.
patent: 3053878 (1962-09-01), Friedman et al.
patent: 3406224 (1968-10-01), McDonough
patent: 3535300 (1970-10-01), Gable
patent: 3583938 (1971-06-01), Okada et al.
patent: 3584074 (1971-06-01), Shima et al.
Hilado, Flammability Handbook For Plastics, 1969, pp. 82-86.

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