Flame-retardant composition

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260 457R, C08K 502

Patent

active

040679306

ABSTRACT:
Flame-retardant compositions having an excellent balance of properties are obtained by flame-retarding rubber-modified polystyrenes with a mixture of about 55-95% by weight of a first flame retardant corresponding to the formula: ##STR1## AND ABOUT 45-5% BY WEIGHT OF A SECOND FLAME RETARDANT CORRESPONDING TO THE FORMULA: ##STR2## wherein X is bromo or chloro, Y is halo, hydrogen, or an alkyl, haloalkyl, alkoxy, or haloalkoxy group, and Z is a tetravalent hydrocarbon group containing 4-20 carbon atoms.

REFERENCES:
patent: 3382204 (1968-05-01), Gouinlock
patent: 3403036 (1968-09-01), Hindersinn
patent: 3723383 (1973-03-01), Cyba
patent: 3950456 (1976-04-01), Newcombe
patent: 3976722 (1976-08-01), Carlson

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