Patent ID: 6448316
Filing Date: 2002-09-10
Classification: C08K

Abstract:
A moulded article, prepared by molding a flame retardant thermoplastic moulding composition and containing a portion having a thickness of not more than 1.0 mm;wherein said flame retardant thermoplastic moulding composition comprises (A) an aromatic polycarbonate in an amount of 70-85 parts by weight per 100 parts by weight of (A)+(B); wherein (B) is at least one compound selected from the group consisting of a polymer, a copolymer, a graft polymer, and mixtures thereof; wherein said compound (B) contains a styrene, a styrene derivative, an acrylate, a methacrylate derivative, or mixtures thereof; wherein an amount of said compound (B) is 15-30 parts by weight per 100 parts by weight of (A)+(B); (C) at least one phosphorous compound selected from the group consisting of a phosphate ester, a phosphate oligomer, a phosphonate, and mixtures thereof; wherein an amount of said phosphorous compound is 8-16 parts by weight per 100 parts by weight of (A)+(B); (D) talc in an amount of at least 0.5 weight % and less than 5 weight % of a total amount of components (A)+(B)+(C)+(D)+(E); (E) at least one flame retardant additive or anti-drip agent selected from the group consisting of a tetrafluoroethylene polymer, a tetrafluoroethylene copolymer, a fluoropolymer, red phosphorous, and mixtures thereof; wherein an amount of said flame retardant or said anti-drip agent is 0.1-3.0 parts by weight per 100 parts by weight of (A)+(B); and wherein said moulding composition has a UL-V0 flame retardant performance in the UL-94 vertical burning test when molded to a thickness of 1.0 mm.