Patent ID: 7799848

Claim:
A thermoplastic molding composition comprising A) 50 to 95 percent linear aromatic (co)polycarbonate having a weight-average molecular weight of at least 25,000, B) 1 to 15 percent graft (co)polymer having a core-shell morphology, including a grafted shell that contains polymerized alkyl(meth)acrylate and a composite rubber core that contains interpenetrated and inseparable polyorganosiloxane and poly(meth)alkylacrylate components, wherein the weight ratio of polyorganosiloxane/poly(meth)alkylacrylate/rigid shell is 70-90/5-15/5-15, C) 2 to 20 percent phosphorous-containing flame retarding compound, D) 0.1 to 2 percent fluorinated polyolefin and E) 0.1 to 15 percent boron compound said percent, all occurrences being relative to the total weight of A), B), C), D), and E), with the provisos that (1) polyalkylene terephthalate is not included and (2) in the instances where the amount of component B) is at least 6.25 percent and less than 7 percent, B/E is less than 4.2, and (3) in the instances where component B) is 7 percent or more, C/B is greater than 1.3.