Patent ID: 6448308
Filing Date: 2002-09-10
Classification: C08K,C08L

Abstract:
A flame retardant resin composition comprising:(A) a thermoplastic aromatic polyester of 100 parts weight; (B) a coated red phosphorus powder composed of essentially spherical red phosphorus, having a cured resin coating, directly obtained by a conversion treatment method of yellow phosphorus, not requiring the pulverization thereof and without having crushed surfaces of 1 to 15 parts weight; (C) 5 to 150 parts weight of an aromatic polycarbonate having a viscosity-averaged molecular weight of 20,000 to 25,000; and (D) at least one compound selected from the group consisting of titanium oxide, aluminum oxide, and molybdenum sulfide, in a range of 0.05 to 5 parts weight based on 100 parts weight of the thermoplastic aromatic polyester (A); wherein the coated red phosphorus powder (B), and aromatic polycarbonate (C) are melted and kneaded beforehand.