Impact-modified polycarbonate compositions

Abstract

The present invention relates to filled, impact-modified polycarbonate compositions containing A) aromatic polycarbonate and/or aromatic polyester carbonate, B) a first graft polymer of B.1 from 0.1 to 30 wt. % of at least one vinyl monomer on B.2 from 99.9 to 70 wt. % of one or more graft bases having glass transition temperatures <10° C., the graft base consisting of at least 50 wt. % of a silicone rubber, C) a second graft polymer, which is different from component B, of C.1 from 5 to 95 wt. % of at least one vinyl monomer on C.2 from 95 to 5 wt. % of one or more graft bases having glass transition temperatures <10° C., the graft base consisting of at least 50 wt. % of an EPDM rubber, D) rubber-free vinyl (co)polymer and/or polyalkylene terephthalate, and E) polymer additives, wherein components B and C are present in a ratio (B:C) in the range from 20:80 to 80:20 and wherein the composition contains from 10 to 92 parts by weight of component A, from 8 to 90 parts by weight of the sum of components B and C, from 0 to 35 parts by weight of component D, and from 0 to 30 parts by weight of component E, which have good stability to ageing and which are distinguished by high low-temperature strength and by low gloss, to a process for their production and to their use in the production of moulded bodies.

Dependencies are inferred from the claim text.