Diester of 3,5,3',5'-tetrabromo-bisphenol A with halogenated aro

Details Diester of 3,5,3',5'-tetrabromo-bisphenol A with halogenated aro Diester of 3,5,3',5'-tetrabromo-bisphenol A with halogenated aro

1979-10-11

1981-06-23

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4585B, 260 4585A, 560 43, 560 65, 560105, 560108, C08K 518, C08K 517, C08K 513, C08K 510, C07C10174, C07C 6978, C07C 6984, C07C 6976

Patent

active

042749980

ABSTRACT:
A novel diester compound of the formula (I): ##STR1## wherein each of R.sub.1 and R.sub.2 represents a group of the formula (II): ##STR2## wherein X is bromine atom; Y at least one group selected from the group consisting of alkyl groups having 1 to 4 carbon atoms, alkoxy groups having 1 to 4 carbon atoms, hydroxyl group and primary, secondary or tertiary amino groups; p an integer of 0 to 4; q an integer of 1 to 4; r an integer 1 to 4 and (q+r) is equal to an integer of not more than 5, is found to be capable of imparting excellent flame-retardancy to various inflammable polymeric materials such as polystyrene, polyester, polyamide, polyphenylene oxide, etc. without deleterious effects on other physical properties of such polymeric materials.

REFERENCES:
patent: 3231603 (1966-01-01), Hennis et al.
patent: 3446838 (1969-05-01), Szobel et al.
patent: 3660351 (1972-05-01), Schmidt et al.
patent: 3846469 (1974-11-01), Gunsher et al.
patent: 3883481 (1975-05-01), Kopetz et al.
patent: 4105628 (1978-08-01), Petersen
J. of Chemical and Engineering Data-vol. 2, No. 2, 252-254, (1967)--Godt et al.
Fire Retardants: Proceedings of 1974 International Symposium on Flammability and Fire Retardants--1975--Technomic Pub. Co., Westport, Conn., pp. 68 to 85.

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