Abstract: Provided are a flame-retardant polycarbonate resin composition having good blow moldability, and blow moldings of the composition having good flame retardancy and having good impact resistance, high mechanical strength and good thermal stability intrinsic to polycarbonate resins. The composition comprises 100 parts by weight of a resin or resin mixture of (A) from 30 to 100% by weight of a polycarbonate resin and (B) from 0 to 70% by weight of a styrenic resin, from 1 to 50 parts by weight of (C) a flame retardant, and from 1 to 20 parts by weight of (D) a methyl methacrylate polymer having a weight-average molecular weight of at least 1,000,000, and optionally contains (E) a fluoro-olefinic resin, (F) a rubber-like elastomer, and (G) an inorganic filler.

Abstract: Disclosed are non-halogen, flame-retardant polycarbonate resin compositions capable of being stably molded even under heat, and their moldings having good flame retardant, high impact strength, good thermal aging resistance and good moisture resistance. The compositions comprise, as the essential components, (A) a polycarbonate resin, (B) a styrenic resin, and (C) a phosphate ester compound.

Abstract: A thermoplastic resin composition having 100 parts by weight of a resin mixture of (A) from 20 to 98% by weight of a polycarbonate resin and (B) from 2 to 80% by weight of a styrenic resin; from 0.1 to 20 parts by weight of (C) an epoxy-modified block copolymer; and from 0.5 to 20 parts by weight of (D) a grafted core/shell rubber elastomer, can be used in moldings which have a good surface layer peeling resistance and a good impact resistance. Further, a flame-retardant polycarbonate resin composition having 100 parts by weight of a resin or resin mixture of (A) from 20 to 100% by weight of a polycarbonate resin and (B) from 0 to 80% by weight of a styrenic resin; from 1 to 30 parts by weight of (E) a flame retardant of an organic phosphorus compound; and from 0.

Abstract: The polycarbonate resin composition of the present invention comprises (A) a copolyester carbonate having an aliphatic segment or a polycarbonate resin mixture containing the copolyester carbonate; (B) a functionalized silicone compound; and (C) a core-shell type rubber-like graft elastomer. Another polycarbonate resin composition of the present invention comprises a resin mixture comprising (A′) a copolyester carbonate having an aliphatic segment or a polycarbonate resin mixture containing the copolyester carbonate and (B′) a styrene resin; and (C′) a polyfluoroolefin resin. By the combined use of the copolyester carbonate having an aliphatic segment with the functionalized silicone compound and the core-shell type rubber-like graft elastomer, or with the styrene resin and the polyfluoroolefin resin, the moldability/extrudability, i.e.

Abstract: The polycarbonate resin composition of the present invention comprises (A) 100 parts by mass of an end-modified polycarbonate resin terminated with a (C10-C35 alkyl)phenoxy group or a polycarbonate resin mixture comprising the end-modified polycarbonate resin and another polycarbonate resin; (B) 0.1 to 10 parts by mass of a functionalized silicone compound; and (C) 0.2 to 10 parts by mass of a core-shell type rubber-like graft elastomer. Another polycarbonate resin composition of the present invention comprises a resin mixture comprising 100 parts by mass of a resin mixture comprising (A′) 1 to 99% by mass of an end-modified polycarbonate resin terminated with a (C10-C35 alkyl)phenoxy group or a polycarbonate mixture comprising the end-modified polycarbonate resin and another polycarbonate resin and (B′) 99 to 1% by mass of a styrene resin; and (C′) 0.01 to 5 parts by mass of a polyfluoroolefin resin.

Abstract: Provided are a thermoplastic resin composition comprising a polycarbonate resin, and its injection moldings. The composition has good moldability, and its injection moldings have the advantages of high impact resistance, good mechanical strength, and good mold releasability. The composition is well moldable into thin-walled and complicated moldings through injection molding, and the productivity of the moldings is high. The composition comprises 100 parts by weight of a resin mixture of (A) from 30 to 99% by weight of a polycarbonate resin and (B) from 1 to 70% by weight of a styrenic resin, and from 0.1 to 5 parts by weight of (C) an ester of pentaerythritol and a saturated aliphatic carboxylic acid. The composition preferably contains a flame retardant, especially a halogen-free phosphate, still having good moldability, and its injection moldings have the advantages of safety, flame retardancy, high impact resistance and good mechanical strength.

Abstract: Provided are a thermoplastic resin composition comprising a polycarbonate resin, and its injection moldings. The composition has good moldability, and its injection moldings have the advantages of high impact resistance, good mechanical strength, and good mold releasability. The composition is well moldable into thin-walled and complicated moldings through injection molding, and the productivity of the moldings is high. The composition comprises 100 parts by weight of a resin mixture of (A) from 30 to 99% by weight of a polycarbonate resin and (B) from 1 to 70% by weight of a styrenic resin, and from 0.1 to 5 parts by weight of (C) an ester of pentaerythritol and a saturated aliphatic carboxylic acid. The composition preferably contains a flame retardant, especially a halogen-free phosphate, still having good moldability, and its injection moldings have the advantages of safety, flame retardancy, high impact resistance and good mechanical strength.

Abstract: Provided are a flame-retardant polycarbonate resin composition containing a phosphate compound as the flame retardant, and also injection moldings of the composition. The composition has good moldability, and its moldings have good phosphate mold-deposits resistance and good mold releasability. In particular, when containing a styrenic resin, the composition has much better melt fluidity, and its moldings have improved impact resistance and flame retardancy. The composition comprises 100 parts by weight of a resin or resin mixture of (A) from 20 to 100% by weight of a polycarbonate resin and (B) from 0 to 80% by weight of a styrenic resin, from 1 to 30 parts by weight of (C) a phosphate compound having a melting point of not lower than 70° C., and from 0.1 to 10 parts by weight of (D) at least one member selected from the group consisting of polyglycerins, polyalkylene glycols, esters of polyglycerins, esters of polyalkylene glycols and polyesters of polycarboxylic acids with polyalcohols.

Abstract: An object of the invention is to provide a flame-retardant polycarbonate resin composition which can provide a sliding property of a molding product formed of a flame-retardant resin composition obtained by blending a polycarbonate resin and a styrene resin with a phosphate ester compound and having a good flowability without decreasing an appearance of a molding product. The invention relates to a flame-retardant polycarbonate resin composition including 100 parts by weight of a resin composed of (A) from 60 to 99% by weight of a polycarbonate resin and (B) from 40 to 1% by weight of a styrene resin, (C) from 1 to 30 parts by weight of a phosphate ester compound and (D) from 0.3 to 3 parts by weight of a silicone oil having a viscosity of from 1,000 to 20,000 cs.

Abstract: Provided are a flame-retardant polycarbonate resin composition capable of being formed into moldings having good impact resistance, high strength and good thermal stability that are intrinsic to polycarbonate resins and having good antistatic properties and good flame retardancy, and also injection moldings of the composition. The composition comprises 100 parts by weight of a resin or resin mixture of (A) from 50 to 100% by weight of a polycarbonate resin and (B) from 0 to 50% by weight of a styrenic resin, from 1 to 50 parts by weight of (C) a flame retardant, and from 0.1 to 5 parts by weight of (D) an anionic antistatic agent, and has a sodium sulfate content of at most 0.05% by weight. Optionally, the composition may contain (F) a fluoro-olefinic resin, (G) a rubber-like elastomer, and (H) an inorganic filler.

Abstract: Disclosed is a polycarbonate resin composition comprising an aromatic polycarbonate (PC), a high-impact polystyrene resin (HIPS) and a non-halogen phosphate, and also talc and/or polytetrafluoroethylene (PTFE). Optionally, the composition may contain a core/shell-type, grafted, rubber-like elastic material. The composition has good flame retardancy and has good physical properties such as stiffness, impact resistance, outward appearance and flowability.

Abstract: There is disclosed a polycarbonate resin composition which comprises an (A) polycarbonate-polyorganosiloxane copolymer, a (B) polycarbonate resin and a (C) polytetrafluoroethylene which has fibril forming capability and an average molecular weight of at least 500,000 wherein the amount of the polyorganosiloxane moiety contained in the component (A) is 0.1 to 2.0% by weight based on the total amount of the components (A) and (B). The resin composition is excellent in flame retardancy, thermal stability and fluidity while preventing melt dripping at the time of combustion. Accordingly, the resin composition is favorably used in the application field of office automation machinery and equipment, electric and/or electronic field, etc.

Abstract: Disclosed are non-bromine, flame-retardant polycarbonate resin compositions having increased reflectance and improved light shieldability, light fastness and moldability while still having good mechanical properties such as flame retardancy and impact resistance, and light reflectors as produced by molding the compositions. One type of the composition comprises (A) a polycarbonate resin and (B) a titanium oxide powder in a ratio by weight of from 70/30 to 90/10, and contains (C) a stilbene-bisbenzoxazole derivative in an amount of from 1 to 1000 ppm by weight and optionally (D) a non-halogen phosphate compound in an amount of from 0.05 to 1.00% by weight in term of phosphorus element, relative to the total weight of the component (A) and the component (B). The other type of the composition comprises (A) from 99.9 to 70% by weight of a polycarbonate resin and (B) from 0.1 to 30% by weight of a titanium oxide powder, and contains (D) a non-halogen phosphate compound in an amount of from 0.05 to 1.

Abstract: There is disclosed a flame retardative polycarbonate resin composition which comprises 100 parts by weight of an aromatic polycarbonate resin (A), 0.01 to 0.5 part by weight of an alkali/or alkaline-earth metal salt of a perfluoroalkanesulfonic acid (B), 0.03 to 5 parts by weight of an organopolysiloxane containing organoxysilyl group bonded to a silicon atom through a divalent hydrocarbon group (C), and optionally 5 to 120 parts by weight of an inorganic filler. The above composition has excellent flame retardancy capable of preventing dripping thereof at the time of combustion of a thin-walled material made from the highly fluidized composition while maintaining the dimensional stability and the mechanical properties such as impact resistance that are inherent in polycarbonate.