POLYBLENDS OF THERMOPLASTIC COPOLYETHERESTERS, STYRENE-MALEIC ANHYDRIDE POLYMERS, ACRYLONITRILE- BUTADIENE-STYRENE POLYMERS AND NITRILE RUBBERS

摘要

APPLICATION FORLETTERS PATENTFORPOLYBLENDS OF THERMOPLASTIC COPOLYETHERESTERS,STYRENE-MALEIC ANHYDRIDE POLYMERS,ACRYLONITRILE-BUTADIENE-STYRENE POLYMERS,AND NITRILE RUBBERSABSTRACTMolding compositions are prepared from blends of (A) athermoplastic copolyetherester elastomer; (B) a styrene maleicanhydride polymer; (C) an ABS or MBS polymer; and (D) anitrile rubber. Component B, the styrene maleic anhydridepolymer may optionally contain a termonomer such as methyl-methacrylate or acrylonitrile and a rubber component.