Abstract: To provide a thermoplastic resin composition capable of affording a molded article which has excellent flame retardancy and compressive strength, which has good dimensional accuracy and which has good appearance. A thermoplastic resin composition including (A) 0.5 to 99.9 mass % of an aromatic polycarbonate-polyorganosiloxane copolymer terminated with an aromatic compound, (B) 0 to 99.5 mass % of an aromatic polycarbonate terminated with an aromatic compound, (C) 0.1 to 5 mass % of fine silica, and (D) 0 to 2 mass % of a polytetrafluoroethylene resin, and a molded article thereof, which are compounded together.

Abstract: Provided is a flame-retardant polycarbonate resin composition comprising (A) 100 parts by weight of a polycarbonate resin, (B) from 0.2 to 10 parts by weight of a core/shell type, grafted rubbery elastomer, (C) from 0.02 to 5 parts by weight of an organic alkali metal salt and/or an organic alkaline earth metal salt, and (D) from 0.02 to 3 parts by weight of a polyfluoro-olefin resin. Not containing a halogen compound for flame retardation, it has good flame retardancy, and its moldability, impact resistance, thermal stability, wet heat resistance and recyclability are all good.

Abstract: Provided is a non-halogen, flame-retardant polycarbonate resin composition that comprises a resin mixture of (A) from 60 to 99% by mass of a polycarbonate resin and (B) from 1 to 40% by mass of a polycarbonate copolymer having phosphorus atoms in its main chain, and contains (C) from 0.02 to 5 parts by mass, relative to 100 parts by mass of the resin mixture, of an anti-dripping agent. Also provided are moldings of the composition. The polycarbonate copolymer (B) that has phosphorus atoms in its main chain is typically a polycarbonate copolymer of which the repetitive structural units contain an aromatic organophosphate component. The resin moldings have good impact resistance, good heat resistance and high stiffness intrinsic to polycarbonate resin. Not depositing on the wall of molds, the melt of the resin composition is well flowable and is stably molded into high-quality moldings having good appearance, and its long-run workability is good.

Abstract: For making a polycarbonate resin resistant to flames with any of non-halogen and non-phosphorus compounds, provided is a polycarbonate resin composition having good flame retardancy and having good impact resistance, high stiffness and good chemical resistance. The flame-retardant polycarbonate resin composition comprises a resin mixture of (A) from 1 to 99% by weight of a polycarbonate and (B) from 1 to 99% by weight of a thermoplastic polyester, and contains, relative to 100 parts by weight of the resin mixture, (C) from 0.01 to 3 parts by weight of a polyfluoro-olefin resin, and (D) from 1 to 400 parts by weight of a polycarbonate-polyorganosiloxane copolymer and/or (E) from 0.1 to 10 parts by weight of a functional silicone 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 present invention provides a resin and a resin composition which can be useful for laser marking, capable of providing distinct marking upon being irradiated with a laser beam, and also provides a molded product formed from such a resin or resin composition. Specifically, the present invention provides (1) a resin composition comprising an amorphous resin and a crystalline resin; (2) a resin comprising an aromatic polycarbonate copolymer which contains a polyorganosiloxane structural unit; (3) a resin composition comprising an aromatic polycarbonate copolymer (A) which contains a polyorganosiloxane structural unit and an aromatic polycarbonate resin (B); and (3) a resin composition comprising an aromatic polycarbonate resin (A), a reactive group-containing silicone compound (B) and/or an organic compound metallic salt (C).

Abstract: A flame-retardant polycarbonate resin composition which exhibits excellent flame-retarding property and retention of the antistatic property for a long time. It comprises (A) a polycarbonate resin, (B) an aromatic vinyl resin having an acid salt group and (C) a silicone compound having a reactive group.

Abstract: The invention relates to a polycarbonate resin composition, including (1) a colored composition that comprises two types of specifically-terminated aromatic polycarbonates along with an inorganic filler added thereto, (2) a composition that comprises a polycarbonate resin terminated with a specific phenoxy group, a functional group-having silicone compound and a core/shell-type grafted rubber-like elastomer, and (3) a composition that comprises a specifically-terminated aromatic polycarbonate-polyorganosiloxane copolymer, a specifically-terminated aromatic polycarbonate and a fibril-forming polytetrafluoroethylene.

Abstract: Provided are a polycarbonate resin composition containing a non-halogen flame retardant enough to ensure good flame retardancy and capable of being formed into good moldings having good impact resistance and good thermal stability; and such moldings of the composition. One type of the resin composition comprises 100 parts by weight of a resin mixture of (A) from 60 to 99% by weight of a polycarbonate resin and (B) from 1 to 40 % by weight of a styrenic resin, and from 0.1 to 10 parts by weight of (C) a functional group-having silicone compound, and from 0.02 to 5 parts by weight of (D) a fluoro-olefin resin; another type thereof comprises 100 parts by weight of (A) a polycarbonate resin, from 0.1 to 10 parts by weight of (C) a functional group-having silicone compound, and from 0.

Abstract: The invention relates to a polycarbonate resin composition favorable for parts of electric and electronic appliances. The composition comprises (a) from 65 to 95% by weight of a polycarbonate resin, (b) from 3 to 20% by weight of glass having a refractive index of from 1.570 to 1.600, and (c) from 2 to 15% by weight of a plasticizer, or is prepared by adding (a) from 0.01 to 5 parts by weight of metal-coated glass flakes, and (b) from 0.01 to 2 parts by weight of at least one stabilizer selected from phosphites, hindered phenolic compounds, epoxy compounds and benzotriazole compounds, to 100 parts by weight of a polycarbonate resin.

Abstract: A flame-retardant polycarbonate resin composition comprising either a resin mixture of a polycarbonate resin and a styrenic resin, a functional group-having silicone compound, and a fluoro-olefin resin; or a polycarbonate resin, a functional group-having silicone compound, and a core/shell-type, grafted rubbery elastomer; or a resin mixture of a polycarbonate resin and a styrenic resin, a fluoro-olefin resin, an inorganic filler, and a polycarbonate-polyorganosiloxane copolymer and/or a functional group-having silicone resin, which composition and its moldings, exhibit good flame retardance, good impact resistance, and good thermal stability.

Abstract: The invention relates to a polycarbonate resin composition having good durability even in high-moisture atmospheres, and to a flame-retardant polycarbonate resin composition in which the flame retardants adheres little to molds while the resin composition is molded. The polycarbonate resin composition comprises (A) a polycarbonate resin and (B) an inorganic filler, and contains (C) an arylphosphine and optionally (D) a flame retardant.

Abstract: Provided are polycarbonate resin compositions as described in (i) to (iii) below.

Abstract: Disclosed are a flame-retardant polycarbonate resin composition comprising, as the essential ingredients, (A) a polycarbonate resin, (B) a specific styrenic resin, and (C) a specific phosphate compound, and its moldings. Containing no halogen, the resin composition and its moldings have good flame retardancy, impact strength, heat-resistant stability, thermal aging resistance, and wet heat resistance.

Abstract: The invention relates to a polycarbonate resin composition having good durability even in high-moisture atmospheres, and to a flame-retardant polycarbonate resin composition in which the flame retardants adheres little to molds while the resin composition is molded. The polycarbonate resin composition comprises (A) a polycarbonate resin and (B) an inorganic filler, and contains (C) an arylphosphine and optionally (D) a flame retardant.

Abstract: The invention relates to a polycarbonate resin composition having good durability even in high-moisture atmospheres, and to a flame-retardant polycarbonate resin composition in which the flame retardants adheres little to molds while the resin composition is molded. The polycarbonate resin composition comprises (A) a polycarbonate resin and (B) an inorganic filler, and contains (C) an arylphosphine and optionally (D) a flame retardant.

Abstract: Provided are a flame-retardant thermoplastic resin composition comprising 100 parts by weight of a resin mixture of (A) from 50 to 95% by weight of a polycarbonate resin and (B) from 5 to 50% by weight of a styrenic resin, from 0.1 to 10 parts by weight of (C) red phosphorus, and from 5 to 50 parts by weight of (D) talc, and its injection moldings. The composition comprising a polycarbonate resin and a styrenic resin is troubled little by red coloration with red phosphorus therein. The composition can be well molded into pale color or light color moldings. The color tone and the outward appearance of the moldings are both good, and the heat resistance, impact resistance, rigidity and even the flame retardancy of the moldings are much improved. In the composition, red phosphorus is preferably stabilized.

Abstract: Disclosed is a method for producing blow moldings of essentially polycarbonate resin. The blow moldings may have a relatively high percentage of hollowness, and may have a ribbed structure, and their wall thickness is uniform. Forming ribs in the blow moldings is easy. Also disclosed is a polycarbonate resin composition for the method. The polycarbonate resin composition is for gas assist injection molding and comprises (A) from 30 to 100% by weight of a polycarbonate resin and (B) from 0 to 70% by weight of a styrenic resin. The melt viscosity ratio, &eegr;H/&eegr;L, of the melt viscosity of the resin composition, &eegr;H (Pa·sec), measured at a shear rate of 10 (sec−1) at the optimum molding temperature to the melt viscosity thereof, &eegr;L (Pa·sec), at a shear rate of 1000 (sec−1), is at least 5.

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: The invention provides a thermoplastic resin composition characterized by both a polycarbonate resin and a styrenic resin, of which the moldings are not troubled by surface layer peeling and have good impact resistance. Even when a flame retardant is added thereto, the moldability of the composition is still good, and the moldings of the composition still have good impact resistance and aging resistance, and are recyclable. The invention also provides a non-halogen, flame-retardant polycarbonate resin composition having good flame retardancy, and its injection moldings having good impact strength and yellowing resistance even in high-temperature and high-humidity conditions and having good recyclability. The thermoplastic resin composition comprises 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.