Provided are: an aromatic polycarbonate resin composition which has excellent hue and is suitable as a molding material for light guide members; and a molded article which is obtained by molding this aromatic polycarbonate resin composition. An aromatic polycarbonate resin composition which contains: an aromatic polycarbonate resin (A); and 0.01-0.1 part by mass of a phosphite-based stabilizer (B-I) represented by general formula (I), which serves as a phosphorus-based stabilizer (B), and 0.05-2 parts by mass of a polyalkylene glycol compound (C), per 100 parts by mass of the aromatic polycarbonate resin (A). In the formula, each of R.sup.11-R.sup.18 represents a hydrogen atom or an alkyl group; each of R.sup.29-R.sup.22 represents an alkyl group, an aryl group or an aralkyl group; and each of a-d represents an integer of 0-3.

A composition contains the following components (A), (B), and (C), the component (A) being at least one melamine salt selected from the group consisting of melamine orthophosphate, melamine pyrophosphate, and melamine polyphosphate, the component (B) being at least one piperazine salt selected from the group consisting of piperazine orthophosphate, piperazine pyrophosphate, and piperazine polyphosphate, and the component (C) being a monohydrate of alumina. As disclosed, it is possible to provide a composition that can impart excellent levels of processability/moldability and flame retardancy to a resin by being mixed with the resin.

A flame retardant containing composition resistant to becoming sticky from moisture is prepared by the introduction of epoxy containing compound either into the ethyleneamine polyphosphates or into the polymeric composition.

A poly(phenylene ether) composition includes specific amounts of a poly(phenylene ether)-poly(siloxane) block copolymer reaction product including a poly(phenylene ether)-poly(siloxane) block copolymer and a poly(phenylene ether), an organophosphate ester, a reinforcing filler including glass fibers, an impacted modifier that is a high impact polystyrene, a hydrogenated block copolymer of an alkenyl aromatic and a conjugated diene, or a combination thereof, and, optionally, a second poly(phenylene ether).

A poly(phenylene ether) composition includes specific amounts of a poly(phenylene ether)-poly(siloxane) block copolymer reaction product including a poly(phenylene ether)-poly(siloxane) block copolymer and a poly(phenylene ether), an organophosphate ester, a reinforcing filler including glass fibers, an impacted modifier that is a high impact polystyrene, a hydrogenated block copolymer of an alkenyl aromatic and a conjugated diene, or a combination thereof, and, optionally, a second poly(phenylene ether).

A resin composition that is laser-weldable under broad conditions of laser irradiation. A formed article formed of the resin composition. A kit for Galvano-scanning laser welding with a transmissive resin composition and a light-absorptive resin composition. A car-borne camera component formed of the resin composition. A car-borne camera module with the car-borne camera component. A UV exposed article formed of the resin composition. A method for manufacturing a formed article by welding a transmissive resin member and an absorptive resin member by Galvano-scanning laser welding. The resin composition for Galvano-scanning laser welding, contains 0.1 to 20 parts by mass of a reactive compound, per 100 parts by mass of a thermoplastic resin.

A resin composition that is laser-weldable under broad conditions of laser irradiation. A formed article formed of the resin composition. A kit for Galvano-scanning laser welding with a transmissive resin composition and a light-absorptive resin composition. A car-borne camera component formed of the resin composition. A car-borne camera module with the car-borne camera component. A UV exposed article formed of the resin composition. A method for manufacturing a formed article by welding a transmissive resin member and an absorptive resin member by Galvano-scanning laser welding. The resin composition for Galvano-scanning laser welding, contains 0.1 to 20 parts by mass of a reactive compound, per 100 parts by mass of a thermoplastic resin.

An extrusion composition containing at least one resin selected from the group consisting of polypropylene homopolymers, polypropylene random copolymers, and polypropylene impact copolymers. The extrusion composition also contains at least one phosphate ester-based nucleating agent provided in the composition at a use level of between about 0.01 and 0.15 parts by weight, in relation to 100 parts by weight of the resin and at least one co-additive selected from the group consisting of poly(ethylene glycol) and copolymers containing segments of ethylene oxide, wherein the co-additive has a number average molecular weight of about 300 or more, and wherein the use level of the co-additive is about 0.005 parts by weight or more, in relation to 100 parts by weight of the resin.

The present invention refers to a flame retardant comprising a complex formed by phosphine oxide and transition metal salt, wherein has good flame retardant property. The present invention also refers to a composite flame retardant and flame retardant antistatic composition, wherein composite flame retardant comprise the flame retardant and the inorganic flame retardant component as described above, which has an enhanced flame retardant effect; said flame retardant antistatic composition, comprising above described flame retardant or composite flame retardant and carbon nanofiber antistatic agent, wherein carbon nanofiber antistatic agent could have interaction with flame retardant, effectively reducing the amount of flame retardant, and the combination with the flame retardant without the adverse effect of each other which result in negative performance of each other, does not influence the subsequent foaming process and the foam structure and physical properties. The present invention also further refers to a flame resistant method, which adds the abovementioned flame retardant, composite flame retardant or flame retardant antistatic composition into the material, so that said material has flame retardance or flame retardance and antistatic, and has excellent mechanical properties.

A flame retardant composition according to the present invention is a phosphate-based flame retardant including a (poly)phosphate, in which F and N satisfy 8.0×10.sup.−4≤F/N≤20.0 and F≤21.0, assuming that F (ppm) is a content of elemental iron and N (ppm) is a content of elemental sodium in the flame retardant composition as measured in accordance with the following procedure.