FIELD: chemistry.
SUBSTANCE: invention can be used as an ignition inhibitor for various systems of polymer resins. The fire-retardant mixture includes at least a first and a second halogenated non-polymer phenyl ether of general formula 
(I), where X independently represents Br, each m independently represents an integer from 1 to 5, each p independently represents an integer from 1 to 4, n is an integer from 1 to 5, and where values of n are different for the first and second ethers. The polymer fire-retardant composition includes a combustible macromolecular material and a fire-retardant mixture.
EFFECT: invention improves impact resistance and improves fluidity properties and softening temperature of the composition.
14 cl, 3 tbl, 13 ex
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