Patent ID: 7999037
Filing Date: 2011-08-16
Classification: C08G,C08K,C08L

Abstract:
1. A thermoplastic composition comprising: a polycarbonate terpolymer (A) having repeating units derived from three different monomers (I), (II), and (III), wherein an impact modifier (B) selected from the group consisting of acrylonitrile-butadiene-styrene (ABS) and methacrylonitrile-butadiene-styrene (MBS) resins, and mixtures thereof; wherein the thermoplastic composition has a percent retention of tensile elongation of at least 80 percent upon exposure to Fuel C, 0.5% strain, for 2 days according to ISO 4599; wherein the polycarbonate polymer (A) has a glass transition temperature of 165° C. or greater; and wherein the ratio of monomer (II) to monomer (III) is from about 3:4 to about 4:3 and the polycarbonate terpolymer contains about 80 mole percent of monomers (II) and (III) combined.