Polymer compositions containing adduct of...

C - Chemistry – Metallurgy – 08 – L

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400/3030, 400/30

C08L 23/02 (2006.01) C08K 5/02 (2006.01) C08L 25/02 (2006.01)

Patent

CA 1074483

ABSTRACT OF THE DISCLOSURE A fire retardant polymeric composition comprising a polymer or copolymer of an unsaturated hydrocarbon and a Diels Alder adduct of a halogenated cyclopentadiene and bicyclononadiene. The fire retardance of the materials can be further enhanced by the incorp- oration therein of a metallic compound, particularly a compound of antimony, arsenic or bismuth. A preferred metallic compound is antimony oxide. The fire retardance is demonstrated by the fire retardant efficiency and lower after glow in the compositions; the compositions also have improved heat deflection properties and tensile and flexural properties as compared with similar polymer compositions containing known fire retardant Diels-Alder adducts.

229863

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