The composition of a copolymer of vinyl aromatic compound and of a cyclic anhydride a, b - unsaturated and of a modifying agent of the resistance to shocks

摘要

P composition having a good resistance to shocks. / p & & p & it comprises: a.un a copolymer of vinyl aromatic compound and of a cyclic anhydride a, b - etb.un modifier of the resistance to shocks, comprising: i.un graft copolymer comprising a vinyl aromatic polymerized, a diene rubber and, optionally, an acrylonitrile polymerizes; ouii.un graft copolymer comprising an acrylic ester polymerizes and, optionally, a vinyl aromatic polymerizes. / p & & p & application to the molding of the thermoplastic composition. / p