Flame retardant polymer compositions

Details Flame retardant polymer compositions Flame retardant polymer compositions

C - Chemistry, Metallurgy

08

K

6/123, 400/3065,

C08K 5/34 (2006.01) C08K 5/3415 (2006.01) C08L 21/00 (2006.01) C08L 25/04 (2006.01) C08L 63/00 (2006.01)

Patent

CA 1310783

ABSTRACT OF THE INVENTION The present invention relates to fire retardant polymer composition obtained by the incorporation of N- tribromophenylmaleimide as a fire retardant additive. The preferred amount of bromine is above 0.5% by weight of the composition. The polymer is selected from polystyrene, styrenic polymers and copolymers, rubbers, epoxy resins, plasticized PVC, polyurethanes and ABS resins. If desired, one or more additional fire retardant may be incorporated in the compositions. Optionally, synergistic fire retardant additives such as antimony oxide, or organo-phosphorus compounds are also incorporated. The flame retardant polymer compositions have improved properties compared with those obtained with known flame retardant reagents. It was also unexpectedly found that the fire retardant additive imparts stability against ultraviolet light irradiation to the polymer composition.

522355

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