Patent ID: 6180702
Filing Date: 2001-01-30
Classification: C08K,C08L

Abstract:
A thermoplastic molding composition comprising polycarbonate resin and an additive, positive amounts of stabilizer and salt, wherein the total additive amount of said stabilizer and salt is about 0.65 to 4.0 percent relative to the weight of the composition, with the proviso that in the instances where the amount of salt is 0.1 percent or less, the amount of stabilizer is more than 0.5%, wherein said stabilizer is a physical mixture of poly(alkyl methacrylate) with fluorinated polyolefin wherein said fluorinated polyolefin constitute about 5 to 30 percent relative to the weight of said physical mixture, and wherein said salt is at least one member selected from the group consisting of alkali metal salt of perfluoroalkane sulfonic acid, alkaline earth metal salt of perfluoroalkane sulfonic acid, alkali metal salt of aromatic sulfimide, organic alkali metal salt of aromatic sulfonic acid and alkaline earth metal salt of aromatic sulfonic acid.