Diesters of tetrabromophthalic anhydride

Details Diesters of tetrabromophthalic anhydride Diesters of tetrabromophthalic anhydride

1975-05-23

1976-11-02

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252 81, 260 25BB, 260475P, C07C 6980, C08G 1806, C09K 328

Patent

active

039896536

ABSTRACT:
Diesters comprising the reaction product of tetrabromophthalic anhydride and a polyhydroxy compound containing at least 3 hydroxyl groups are disclosed. The diesters are prepared, in one step, by reacting tetrabromophthalic anhydride with the polyhydroxy compound at a temperature of from about 130.degree. C. to about 190.degree. C. in the presence of an alkaline material. The diesters are especially useful in the preparation of fire-retardant, self-extinguishing, polyurethane foams.

REFERENCES:
patent: 3285995 (1966-11-01), Nametz et al.
patent: 3676376 (1972-07-01), Svoboda et al.
Pape et al. -- J. Cellular Plastics 4, Nov. 1968, pp. 438-442.
Pape et al. -- An. SPI Conf. Tech. Papers 26, 695-698 (1968).

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