SMOKE-AND FLAME-RETARDANT STYRENE/ACRYLONITRILE/METHYL ACRYLATE INTERPOLYMERIC MOLDING COMPOSITIONS

摘要

Disclosed herein are polyblend molding compositions which comprise(A) poly(styrene/acrylonitrile/methylmethacrylate) matrix polymer; (B) polychloroprene 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.