Bis(2,3-dibromopropyl carbonates) of tetrahalobisphenol A

Details Bis(2,3-dibromopropyl carbonates) of tetrahalobisphenol A Bis(2,3-dibromopropyl carbonates) of tetrahalobisphenol A

1973-03-27

1976-01-06

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 457R, 260 4237, 260 4575R, 260 4585, C07C 6996, C08K 510, C08K 5159, C08K 336

Patent

active

039312747

ABSTRACT:
The compounds bis(2,3-dibromopropyl carbonate) of tetrabromobisphenol A and bis(2,3-dibromopropyl carbonate) of tetrachlorobisphenol A are effective fire retardants and impart enhanced fire-retardant properties to normally-combustible polymers by incorporation therein of a fire-retardant amount of one of said compounds or a mixture thereof. The fire retardancy of such polymer composition is further enhanced by incorporation therein of an additional flame-retardant material, e.g., an arsenic, antimony, or bismuth compound, preferably antimony oxide. Such polymer compositions of enhanced fire-retardancy incorporating a compound of the invention.

REFERENCES:
patent: 3218347 (1965-11-01), Baker
patent: 3267070 (1966-08-01), Tousignant et al.
patent: 3688001 (1972-08-01), Exner et al.
patent: 3804792 (1974-04-01), Pews
Chemical Abstracts, 7th Collective Index, p. 18,592s, 1-propanol, 2,3-dibromo (1970).

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