Smoke retardant vinyl halide polymer compositions

Details Smoke retardant vinyl halide polymer compositions Smoke retardant vinyl halide polymer compositions

C - Chemistry, Metallurgy

08

K

400/3055, 400/49

C08K 5/09 (2006.01) C08K 3/24 (2006.01) C08K 3/26 (2006.01) C08K 5/098 (2006.01) C08L 27/06 (2006.01)

Patent

CA 1214892

ABSTRACT OF THE DISCLOSURE Vinyl halide polymer compositions containing smoke retarding amounts of copper oxalate and an amine molybdate that form a carbonaceous char on burning do not exhibit char afterglow when such compositions also contain less than 20 weight parts of a Group IIA alkaline earth metal carbonate; improved rigid vinyl hallde polymer compositions, substantially free of liquid ester type plasticizers, also containing styrene copolymer process modifiers, copolymers of ethylene and vinyl acetate and graft copolymers of methacrylates, butadiene, and styrenes (MBS) polymers, are disclosed; the compositions find application in the mass transit and aircraft industries.

427190

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