| abstract |
55 to 85% by weight of a copolymer (A) comprising styrene and acrylonitrile, B1: as graft base (B1), 50 to 80% by weight, preferably 60 to 70% B2: a first grafted shell (B2) made of 5 to 30% by weight of a vinyl aromatic monomer (B21); and B3: 15 to 40% by weight of a vinyl aromatic Wherein the second grafted shell (B3) is prepared from a mixture of monomer (B31) and nitrile monomer (B32), wherein the weight ratio of these monomers B31 to B32 in grafted shell (B3) is from 4: (B) and 0 to 5% by weight of an additive and / or an auxiliary (C), wherein the content of acrylonitrile in the copolymer component (A) and the content of acrylonitrile in the graft shell When the content of acrylonitrile in the component (B3) is at least 8% by weight, The thermoplastic molding composition is disclosed having the characteristics. |