| abstract |
Thermoplastic molding compositions, comprising A) from 10 to 98.99% by weight of at least one thermoplastic polyester, B) from 0.01 to 50% by weight of B1) at least one highly branched or hyperbranched polycarbonate having an OH number of from 1 to 600 mg KOH/g of polycarbonate (to DIN 53240, Part 2), or n B2) at least one highly branched or hyperbranched polyester of A x B y type, where x is at least 1.1 and y is at least 2.1, or a mixture of these, C) from 1 to 60% by weight of at least one graft polymer, composed of n c 1 ) from 20 to 80% by weight of a graft base composed of an elastomeric polymer based on alkyl acrylates having from 1 to 8 carbon atoms in the alkyl moiety and having a glass transition temperature below 10° C. c 2 ) from 20 to 80% by weight of a graft composed of c 21 ) from 60 to 95% by weight of styrene or of substituted styrenes of the general formula I n n where R is an alkyl radical having from 1 to 8 carbon atoms or a hydrogen atom, and R 1 is an alkyl radical having from 1 to 8 carbon atoms, and n is 1, 2, or 3, and n c 22 ) from 5 to 40% by weight of at least one unsaturated nitrile, D) from 0 to 60% by weight of a copolymer composed of d 1 ) from 60 to 95% by weight of styrene or of substituted styrenes of the general formula 1, or a mixture of these, d 2 ) from 5 to 40% by weight of at least one unsaturated nitrile, E) from 0 to 60% by weight of other additives, where the total of the percentages by weight of components A) to E) is 100%. |