Patent ID: 7655737

Claim:
A composition comprising a blend of: from 1 to 99 weight percent of a polycarbonate comprising from 10 to 90 mole percent of one or more arylate carbonate units of the formula wherein each R f is independently a halogen atom, a C 1-10 hydrocarbon or a halogen-substituted C 1-10 hydrocarbon and u is 0 to 4, and from 10 to 90 mole percent of different carbonate units of the formula wherein at least 60% of the R 1 groups are C 6-30 aromatic groups, and from 1 to 99 weight percent of a polyester comprising units of the formula wherein T is a residue derived from a C 5 -C 7 cycloaliphatic or C 7 -C 12 aromatic dicarboxylic acid or a chemical equivalent thereof, and D is a residue derived from a C 6 -C 12 aromatic or C 2 -C 12 aliphatic diol or a chemical equivalent thereof, provided that at least 50 mole percent of D is derived from 1,4-cyclohexanedimethanol or a chemical equivalent thereof; and wherein the weight percent of the polycarbonate and the polyester are each based on the total weight of the polycarbonate and the polyester.