Additive mixtures containing thermoplastic moulding compositions

A thermoplastic molding composition consisting of:

• A) 5 to 95% relative to the weight of the composition of a (co)polymer of at least one monomer selected from the group consisting of styrene, α-methylstyrene, nuclear-substituted styrene, methyl methacrylate, acrylonitrile, methacrylonitrile, maleic anhydride and N-substituted maleimide;
• B) 5 to 95% relative to the weight of the composition of a graft polymer of
• B.1) 5 to 90 parts by weight, per 100 parts by weight of B, of at least one member selected from the group consisting of styrene, α-methylstyrene, nuclear-substituted styrene, methyl methacrylate, acrylonitrile, methacrylonitrile, maleic anhydride and N-substituted maleimide on
• B.2) 95 to 10 parts by weight, per 100 parts by weight of B, of at least one rubber having a glass transition temperature of ≦10° C.;
• C) 0.05 to 10 parts per 100 parts by weight of A+B, of a mixture of at least 3 components selected from the group consisting of compounds I), II), III) and IV),
• wherein I) denotes a compound the molecular structure of which contains at least one unit conforming to
• where M denotes metal and n is the valence of the metal M,
• wherein II) denotes a compound the molecular structure of which contains at least one unit conforming to
• and at least one structural unit conforming to
• wherein R1 and R2 independently of one another denote H or C1-C20 hydrocarbon radicals,
• wherein III) denotes a compound the molecular structure of which contains at least one unit conforming to
• and,
• wherein IV) denotes at least one member selected from the group consisting of paraffin oil, hydrocarbon wax, polystyrene having a weight average molecular weight of 2,000 to 15,000 the molecular weight regulator of which is C8-C18 alkyl mercaptan, styrene/acrylonitrile copolymer having a weight average molecular weight of 2,000 to 15,000 the molecular weight regulators of which is C8-C18 alkyl mercaptan, α-methylstyrene/acrylonitrile copolymer having a weight average molecular weight of 2,000 to 15,000 the molecular weight regulators of which is C8-C18 alkyl mercaptan, poly(methyl methacrylate) having a weight average molecular weights of 2,000 to 15,000, the molecular weight regulator of which is C8-C18 alkyl mercaptan, C6-C32 alkanols, and C6-C32 alkenols;
• D) optionally at least one member selected from the group consisting of paraffin oil, low molecular weight styrene/acrylonitrile copolymer and α-methyl styrene/acrylonitrile copolymer;
• and
• E) optionally at least one member selected from the group consisting of processing aid, stabilizer, pigment, antistatic agent and filler.