Patent ID: 7223804
Filing Date: 2007-05-29
Classification: C08K,C08L

Abstract:
1. A thermoplastic composition comprising polycarbonate, an impact modifier having a pH of about 3 to about 7, and a single flame retardant consisting of a a salt based flame retardant or a combination of salt based flame retardants, wherein said flame retardant or flame retardant combination essentially free of bromine and chlorine, wherein the polycarbonate is present in an amount of 95 to 99 weight percent, based on the total weight of the polycarbonate and the impact modifier, wherein the impact modifier is present in an amount of 1 to 5 weight percent, based on the total weight of the polycarbonate, and wherein the salt based flame retardant is present in an amount of 0.005 to 2 weight percent, based on the weight of the polycarbonate.