Smoke-and flame-retardant styrene/acrylonitrile/methyl...

Details Smoke-and flame-retardant styrene/acrylonitrile/methyl... Smoke-and flame-retardant styrene/acrylonitrile/methyl...

C - Chemistry, Metallurgy

08

L

400/3050

C08L 33/12 (2006.01) C08K 13/02 (2006.01) C08L 51/04 (2006.01)

Patent

CA 1067240

ABSTRACT OF THE DISCLOSURE Disclosed herein are polyblend molding compositions which comprise (A) poly(styrene/acrylonitrile/methylmethacrylate) matrix polymer; (B) poly- chloroprene rubber which is grafted with monomers of the type used to prepare the matrix; (C) a metal oxide; and (D) smoke suppressants. Specimens molded from these polyblends have a UL-94 rating of at least V-1 and a smoke level of less than 360 Dm Flaming as measured using the NBS smoke test.

275868

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