Patent ID: 6635698
Filing Date: 2003-10-21
Classification: C08K,C08L

Abstract:
A flame retardant composition having a transmittance of greater than or equal to 80% comprising a uniform, miscible blend ofa polycarbonate resin; a cycloaliphatic polyester resin, said cycloaliphatic resin comprising residues of a cyclic or straight chain aliphatic C2-C20 diol and residues of a cyclic or straight chain aliphatic C6-C20 diacid, wherein at least 80% of the residues are residues of a cyclic diol, or diacid, and wherein the weight ratio of polycarbonate resin to polyester resin is from 99/1 to 98/2; and a stabilizer selected from the group consisting of phosphorus oxo acids, acid organo phosphates, acid organo phosphites, acid phosphate metal salts, acidic phosphite metal salts and mixtures thereof.