| abstract |
Polycarbonate; 5 to 10 weight percent polysiloxane-polycarbonate copolymer; 5 to 20 weight percent branched polycarbonate; 5 to 60 weight percent reinforcing filler; And 1 to 15 weight percent of a phosphazene compound, wherein the polysiloxane-polycarbonate copolymer comprises polysiloxane in an amount in excess of 10 weight percent and the molecular weight of the polysiloxane-polycarbonate copolymer Is more than 25,000 grams per mole. Also, polycarbonate; 5 to 10 weight percent polysiloxane-polycarbonate copolymer; 5 to 20 weight percent branched polycarbonate; 5 to 60 weight percent reinforcing filler; And 1 to 15 weight percent of a phosphazene compound; And extruding the flame retardant composition, wherein the reinforcing filler is a combination comprising at least one of glass fiber, carbon fiber, metal fiber, or the reinforcing filler. |