Patent ID: 7091267
Filing Date: 2006-08-15
Classification: C08K,C08L

Abstract:
1. A polycarbonate resin composition comprising: a) at least one aromatic polycarbonate, wherein the polycarbonate is a blend of a first polycarbonate not comprising siloxane units and as a second polycarbonate a linear multiblock copolymer of bisphenol A polycarbonate and polydimethylsiloxane; b1) about between 4 wt % and about 30 wt % of a second thermoplastic resin comprising structural units derived from one or more monomers selected from the group consisting of vinyl aromatic monomers, monoethylenically unsaturated nitrile monomers, and C b2) about between 5 wt % and about 30 wt % of one rubber modified graft copolymer comprising a discontinuous rubber phase dispersed in a continuous rigid thermoplastic phase, wherein at least a portion of the rigid thermoplastic phase is chemically grafted to the rubber phase; and c) about 1 to 10 wt. % of at least one low molecular weight partially or fully hydrogenated hydrocarbon resin derived from petroleum C