Blends of (a) conjugated diolefine-alkyl aryl vinylidenes-acrylonitrile graft copolymer with (b) conjugated aliphatic diolefine-monovinyl aromatic hydrocarbon/alkyl alkacrylate graft copolymer

Claim 1

A STONG, TOUGH, IMPACT RESISTANT BLEND COMPRISING THE FOLLOWING SEPARATE COMPONENTS: (A) A MATERIAL OBTAINED BY POLYMERIZING A MIXTURE OF 30% TO 70% BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF STYRENE, ALPHA METHYL STYRENE, VINYL TOLUENES AND ALPHA METHYL VINYL TOLUENES AND 10% TO 30% BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE IN THE PRESENCE OF 20% TO 60% BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF CONJUGATED ALIPHATIC DIOLEFINEPOLYMER LATICES AND CONJUGATED ALIPHATIC DIOLEFINEMONOVINYL AROMATIC HYDROCARBON COPOLYMER LATICES-85% TO 99% BY WEIGHT BASED ON THE TOTAL WEIGHT OF (A) AND (B), AND (B) A MATERIAL OBTAINED BY POLYMERIZING 80% TO 50% BY WEIGHT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALKYL ALKACRYLATES AND A MIXTURE OF AN ALKYL ALKACRYLATE AND MONOVINYL AROMATIC HYDROCARBON IN THE PRESENCE OF 20% TO 50% BY WEIGHT OF A CONJUGATED ALIPHATIC DIOLEFINE-MONVINYL AROMATIC HYDROCARBON COPOLYMER-15% TO 1% BY WEIGHT BASED ON THE TOTAL WEIGHT OF (A) AND (B).