Abstract: A polycarbonate resin composition may have a low relative permittivity and a low dielectric dissipation factor and excellent in terms of heat resistance, impact resistance, toughness and stiffness, and a member for an antenna may include such a resin. The polycarbonate resin composition may include 30 to 120 parts by mass of a polystyrenic resin (B), and 3 to 50 parts by mass of an elastomer (C), relative to 100 parts by mass of a polycarbonate resin (A). A melt viscosity ratio (?A/?B) of the polycarbonate resin (A) to the polystyrenic resin (B) at 260° C. and 1216 sec?1 may be within a range of 4.5 to 12.5.

Abstract: A stirring and feeding apparatus of a fibrous filler enables even a fibrous filler that is easy to spread, that has a low bulk density, and that is easy to flocculate to be uniformly and stably transported with a screw. A stirring and feeding apparatus for feeding a fibrous filler from a hopper storing the fibrous filler to a discharge portion, comprises: a connecting tank between the hopper and the discharge portion, wherein, in the connecting tank, a shaft that rotates around a rotation shaft is provided, and a stirring blade for stirring the fibrous filler is provided at a tip of the shaft such that the stirring blade rotates along an inner circumferential surface of the connecting tank, and the stirring blade is inclined inwards at an angle ? of 10° to 70° with respect to a rotation direction of the stirring blade.

Abstract: A method for producing flame retardant polycarbonate resin composition pellets using a twin screw extruder. A composition of 30 to 85 mass % of resin pellets in which a polycarbonate resin having 2.7 to 3.4 of Mw/Mn at more than 40 mass % in the resin pellets; 5 to 25 mass % of phosphorus flame retardant; 0.1 to 1.0 mass % of polytetrafluoroethylene; 0 to 50 mass % of polycarbonate resin flake; 0 to 30 mass % of styrenic copolymer resin; and 0 to 15 mass % of another additive (F) are kneaded by the twin screw extruder in a kneading section. The kneading uses a screw configuration consisting of two or more of an R kneading disc, an N kneading disc, an L kneading disc, an L screw, a sealing ring, a mixing screw, and a rotor screw. The kneaded composition is extruded as a strand from the extruder and then cut.

Abstract: A polycarbonate resin composition may include, relative to 100 parts by mass of a polycarbonate resin (A), 0.001 to 0.3 parts by mass of a triaryl phosphate (B) given by a specific formula (1) and 0.0012 to 0.12 parts by mass of a phenolic structure-bearing compound (C). The phenolic structure-bearing compound (C) may contain a specific amount of at least one selected from 2,4-di-tert-butylphenol, 2,2-bis(4-hydroxyphenyl)propane, cumylphenol, and 4-tert-butylphenol.

Abstract: An auto injector is provided by which a fixed dose of a medicament can be injected as self-treatment, and by which needle exposure to an accessible position, injection of the medicament and retraction of the needle to an inaccessible position is automatically performed as a continuous sequence, after the auto injector is triggered. Solutions to improve the functionality of the retraction of the needle and the general experience of the use, are also provided.

Abstract: A polycarbonate resin composition comprising, per 100 mass parts of a polycarbonate resin (A), 0.001 to 0.3 mass parts of an arylphosphine oxide (B) and 0.0012 to 0.03 mass parts of a phenolic structure-bearing compound (C1), wherein the phenolic structure-bearing compound (C1) is at least one selection from bisphenol A, 4-tert-butylphenol, cumylphenol, and phenol; and in a case of containing the bisphenol A, the content thereof is 0.002 to 0.03 mass parts; in a case of containing the 4-tert-butylphenol, the content thereof is 0.0012 to 0.01 mass parts; in a case of containing the cumylphenol, the content thereof is 0.0012 to 0.01 mass parts; and in a case of containing the phenol, the content thereof is 0.0012 to 0.01 mass parts.

Abstract: A thermoplastic resin composition, may include a thermoplastic resin (A) and, per 100 parts by mass of the thermoplastic resin (A), from 0 to 0.2 parts by mass of a metal salt-containing flame retardant (B), and not less than 0.05 parts by mass and less than 3 parts by mass of an organopolysiloxane (C), wherein the organopolysiloxane (C) has a molecular weight distribution (Mw/Mn) in a range of from 1.01 to 1.4.

Abstract: An auto injector is provided by which a fixed dose of a medicament can be injected as self-treatment, and by which needle exposure to an accessible position, injection of the medicament and retraction of the needle to an inaccessible position is automatically performed as a continuous sequence, after the auto injector is triggered. Solutions to improve the functionality of the retraction of the needle and the general experience of the use, are also provided.

Abstract: A method for producing a polycarbonate resin composition pellet with a twin screw extruder, the polycarbonate resin composition pellet has 30 to 95 mass % of a resin pellet (A) containing more than 40 mass % of a polycarbonate resin in the pellet; not less than 5 mass % and less than 40 mass % of a phosphate ester flame retardant (B) that is a liquid at room temperature; 0 to 50 mass % of polycarbonate resin flake (C); 0 to 30 mass % of an ABS resin (D); and 0 to 15 mass % of an additive (E) other than component (B). The method includes feeding components (A), (C), (D) and (E) in a twin screw extruder and kneading with a first kneading zone; feeding component (B) to a downstream part in the first kneading zone and kneading with a second kneading zone; and decompressing a vent in the downstream part in the second kneading zone.

Abstract: A polycarbonate resin composition pellet contains a polycarbonate resin (A), an aromatic compound (B) represented by general formula (1) below, and a phosphorus-based stabilizer (C), the aromatic compound (B) being contained in the pellet in an amount of 0.001% to 1% by mass, the phosphorus-based stabilizer (C) being contained in the pellet in an amount of 0.003% to 0.5% by mass: (where Y is a hydrogen atom or an organic group that does not contain any of nitrogen, sulfur, and halogen elements, when Y is a hydrogen atom, X is an alkyl group or an optionally substituted aryl group, when Y is an organic group, X is an organic group that does not contain any of nitrogen, sulfur, and halogen elements, g is 1 or 2, n is 0 to 5, k is 1 to 4, and k+n is 6 or less.

Abstract: A polycarbonate resin composition comprising, 100 mass parts of (A1) a polycarbonate resin that contains a polycarbonate resin having a structural unit of the following general formula (1) and (A2) a polycarbonate resin having a structural unit of the general formula (2) in a mass ratio (A1)/(A2) of 100/0 to 10/90; 3 to 20 mass parts of a phosphorus flame retardant (B); 2 to 20 mass parts of a silicone flame retardant (C); and 3 to 100 mass parts of an inorganic filler (D), wherein the phosphorus flame retardant (B) is a phosphazene compound and/or a condensed phosphate ester, [C1]

Abstract: Disclosed herein are a novel polyacetal resin composition and a vehicle fuel pump module made of the same with excellent acid resistance.

Abstract: A polycarbonate resin composition comprising, 100 mass parts of (A1) a polycarbonate resin that contains a polycarbonate resin having a structural unit of the following general formula (1) and (A2) a polycarbonate resin having a structural unit of the general formula (2) in a mass ratio (A1)/(A2) of 100/0 to 10/90; 3 to 20 mass parts of a phosphorus flame retardant (B); 2 to 20 mass parts of a silicone flame retardant (C); and 3 to 100 mass parts of an inorganic filler (D), wherein the phosphorus flame retardant (B) is a phosphazene compound and/or a condensed phosphate ester, [C1]

Abstract: A thermoplastic resin composition for a millimeter-wave radar member, is provided, which comprises, relative to 100 parts by mass of a polybutylene terephthalate resin (A), 15 to 65 parts by mass of a rubber-reinforced polystyrene resin (B1) and/or 10 to 70 parts by mass of a polycarbonate resin (B2) as a component (B), 0.1 to 3 parts by mass of an epoxy compound (D), and 30 to 150 parts by mass of glass fiber (E).

Abstract: A polycarbonate resin composition containing 0.1 to 10 parts by mass of a polycarbonate copolymer (B) having carbonate bonding between (B1) bisphenol A and a (B2) polyalkylene glycol and 0.005 to 0.5 parts by mass of a phosphorus-containing stabilizer (C) relative to 100 parts by mass of a polycarbonate resin (A).

Abstract: Regarding a laser welded body in which a laser transmissive/absorptive molding member containing a PBT-based material and a laser absorptive molding member containing a PBT-based material are integrated with each other by laser welding, the following laser welded body is proposed as a laser welded body in which a bond strength can be further increased. A laser welded body having a structure in which a member I and a member II are integrally bonded to each other, the member I contains 0.0005 to 5.0 parts by mass, with respect to 100 parts by mass of a polyester-based resin A, of a laser transmissive/absorptive coloring material capable of transmitting and absorbing laser beam, and the polyester-based resin A contains at least a polybutylene terephthalate copolymer resin, the member II contains 0.15 to 10.

Abstract: A polycarbonate resin composition, which has favorable balance, excellent chemical resistance, flame retardancy, impact resistance, heat resistance and moist heat resistance. A polycarbonate resin composition, including 1 to 60 parts by mass of a liquid crystal polyester (B) containing a repeating unit represented by specific formulae (I) to (IV), 0.01 to 0.5 parts by mass of an organic metal salt flame retardant (C) and 0.05 to 1 parts by mass of a fluorinated resin (D) relative to 100 parts by mass of a polycarbonate resin (A), and having a notched Charpy impact strength of 15.5 kJ/m2 or more, as measured at 23° C. in accordance with ISO 179 by using an ISO dumbbell having a thickness of 3 mm.

Abstract: Provided is an aromatic polycarbonate resin composition that exhibits an excellent surface hardness and strength as well as an excellent designability and lightfastness. The aromatic polycarbonate resin composition contains a carbonate structural unit (X) derived from an aromatic dihydroxy compound represented by a prescribed formula (1) and a carbonate structural unit (Y) derived from an aromatic dihydroxy compound represented by a prescribed formula (2) in a proportion of (X)/(Y)=10/90 to 40/60 as a molar ratio, wherein an amount of a cresolic hydroxy group derived from the aromatic dihydroxy compound represented by formula (1) is 60 to 160 ppm.