Abstract: The present invention provides a multilayered acrylic polymer coagulate characterized in that the coagulate has a bulk density of 0.3 to 0.6 g/cm3 and a median diameter of 50 to 400 ?m and contains particles having a particle diameter of 75 or less in a proportion of 50% or less, and the amount of alkali metal and alkaline earth metal contained in the coagulate satisfies the following formula (1): ?(N/a)×(120?Tg)?100??(1) wherein N represents the amount of alkali metal and alkaline earth metal contained in the coagulate (mmol/kg); Tg represents the glass transition temperature (° C.) of the acetone-soluble matter of the coagulate; and a represents the valency of the alkali metal and alkaline earth metal contained in the coagulate.

Abstract: A flap opening and closing mechanism includes a flap and a lock member. The flap includes a first engagement member, and is pivotally supported on a vehicle body side. The flap opens and closes an opening in an outer plate of a vehicle body. The lock member locks the flap. The lock member includes a body to be mounted on the vehicle body side, a swing member pivotally supported on the body, a second engagement member, and an adjustor. The second engagement member is engaged with the first engagement member, and provided in the swing member. The adjustor allows for a rotational movement of the body about a rotation shaft of the swing member to the vehicle body in a state where the body is temporarily fixed to the vehicle body side. The lock member locks the swing member at a position corresponding to the closing position of the flap.

Abstract: A flap opening and closing mechanism includes a flap and a lock member. The flap includes a first engagement member, and is pivotally supported on a vehicle body side. The flap opens and closes an opening in an outer plate of a vehicle body. The lock member locks the flap. The lock member includes a body to be mounted on the vehicle body side, a swing member pivotally supported on the body, a second engagement member, and an adjustor. The second engagement member is engaged with the first engagement member, and provided in the swing member. The adjustor allows for a rotational movement of the body about a rotation shaft of the swing member to the vehicle body in a state where the body is temporarily fixed to the vehicle body side. The lock member locks the swing member at a position corresponding to the closing position of the flap.

Abstract: The present invention provides a multilayered acrylic polymer coagulate characterized in that the coagulate has a bulk density of 0.3 to 0.6 g/cm3 and a median diameter of 50 to 400 ?m and contains particles having a particle diameter of 75 or less in a proportion of 50% or less, and the amount of alkali metal and alkaline earth metal contained in the coagulate satisfies the following formula (1): ?(N/a)×(120?Tg)?100 ??(1) wherein N represents the amount of alkali metal and alkaline earth metal contained in the coagulate (mmol/kg); Tg represents the glass transition temperature (° C.) of the acetone-soluble matter of the coagulate; and a represents the valency of the alkali metal and alkaline earth metal contained in the coagulate.

Abstract: A resin film comprising a resin (A) and a multi-layered particle (B), the multi-layered particle comprising a layer (a) made of a polymer comprising 80 to 99.99% by mass of a methyl methacrylate unit, 0.01 to 2% by mass of a crosslinkable monomer unit and 0 to 19.99% by mass of additional copolymerizable monomer units, a layer (b) made of a polymer comprising 70 to 99.8% by mass of an alkyl acrylate unit, 0.2 to 10% by mass of a crosslinkable monomer unit and 0 to 29.

Abstract: A methacrylic resin composition comprising not less than 90% by mass of a methacrylic resin, wherein the methacrylic resin comprises 95 to 100% by mass of methyl methacrylate monomer units and 0 to 5% by mass of acrylate monomer units, the methacrylic resin has an Mw of 57000 to 90000, Mw representing a weight-average molecular weight, and a ratio Mw/Mn of not more than 1.9, Mn representing a number-average molecular weight, the methacrylic resin composition has an absolute value of a difference between YI4 and YI2 of not more than 3, YI4 representing a yellow index at an optical path length of 200 mm of an injection-molded article obtained at a cylinder temperature of 280° C. in a molding cycle of 4 minutes, YI2 representing a yellow index at an optical path length of 200 mm of an injection-molded article obtained at a cylinder temperature of 280° C. in a molding cycle of 2 minutes, and meets a relationship represented by Formula (B) and Formula (C): R?11??Formula (B) 0.8<R/E<1.

Abstract: A methacrylic resin composition containing 10 to 99 parts by mass of a methacrylic resin (A) containing 80% by mass or more of a methyl methacrylate unit, and 90 to 1 part by mass of a block copolymer (B) containing 10 to 60% by mass of a methacrylic acid ester polymer block (b1) and 90 to 40% by mass of an acrylic acid ester polymer block (b2), where the total of the methacrylic resin (A) and the block copolymer (B) is 100 parts by mass, where a weight-average molecular weight Mw(A) of the methacrylic resin (A), a maximum weight-average molecular weight Mw(b1) of the methacrylic acid ester polymer block (b1) and a maximum weight-average molecular weight Mw(b2) of the acrylic acid ester polymer block (b2) satisfy (1): 0.5?Mw(A)/Mw(b1)?2.5 and (2): 40000?Mw(b2)?120000.

Abstract: A methacrylic resin composition comprises not less than 90% by mass and not more than 100% by mass of a methacrylic resin [A] having: the total content of a structural unit derived from methyl methacrylate of not less than 90% by mass; a molecular weight MA of not less than 30000 and not more than 100000 in terms of polystyrene corresponding to the retention time indicating the value of the maximum strength in a chromatogram obtained by gel permeation chromatography; the area SgA of a region enclosed by an approximate curve obtained by fitting the data of a range indicating the strength of not less than 70% relative to the value of the maximum strength to a Gaussian function by the method of nonlinear least squares and the base line of the chromatogram of 45 to 80% of the area SA enclosed by the chromatogram and its base line; and the ratio MwgA/MngA of a weight average molecular weight MwgA to a number average molecular weight MngA of not less than 1.01 and not more than 1.

Abstract: A copolymer comprising a structural unit (I) derived from a phosphonate monomer (1) such as diethyl methacryloyloxymethyl phosphonate and diethyl 2-methacryloyloxyethyl phosphonate, a structural unit (II) derived from a radical polymerizable monomer (2) such as methacrylic acid, acrylic acid, 8-tricyclo[5.2.1.02,6]decanyl methacrylate, and t-butyl methacrylate, and a structural unit (III) derived from methyl methacrylate, the content of phosphorus atoms derived from the phosphonate monomer (1) being not less than 1.0% by mass and less than 2.0% by mass relative to the mass of the copolymer, and a formed article comprising the copolymer.

Abstract: Provided are a break-resistant copolymer having high transparency and heat resistance and also having a high tensile strain at break, and a molded article. A copolymer contains 80% by mass to 98% by mass of structural units derived from a methacrylic ester monomer and 2% to 10% by mass of ester structural units derived from a cyclic ketene acetal monomer. The copolymer has a weight average molecular weight of 80,000 or more and a molecular weight distribution of 1.75 to 3.80.

Abstract: A motor vehicle includes side sills that are disposed in pairs on the right and left sides of the motor vehicle and that has bag-shaped cross-sections when viewed from the front of the motor vehicle and a floor panel that constitutes bottoms of at least a passenger compartment and that is coupled to the side sills. The motor vehicle further includes a battery panel that is disposed below the floor panel so as to support batteries and that is coupled to the side sills and a battery movement allowance mechanism that allows movement of the batteries toward the inside of the side sills when the batteries are moved to one side in a vehicle-width direction and, consequently, a load from the batteries is applied to the side sills.

Abstract: A methacrylic resin composition comprising not less than 90% by mass of a methacrylic resin, wherein the methacrylic resin comprises 95 to 100% by mass of methyl methacrylate monomer units and 0 to 5% by mass of acrylate monomer units, the methacrylic resin has an Mw of 57000 to 90000, Mw representing a weight-average molecular weight, and a ratio Mw/Mn of not more than 1.9, Mn representing a number-average molecular weight, the methacrylic resin composition has an absolute value of a difference between YI4 and YI2 of not more than 3, YI4 representing a yellow index at an optical path length of 200 mm of an injection-molded article obtained at a cylinder temperature of 280° C. in a molding cycle of 4 minutes, YI2 representing a yellow index at an optical path length of 200 mm of an injection-molded article obtained at a cylinder temperature of 280° C. in a molding cycle of 2 minutes, and meets a relationship represented by Formula (B) and Formula (C): R?11 ??Formula (B) 0.8<R/E<1.

Abstract: A methacrylic resin [1] having a triad syndiotacticity (rr) of not less than 65% and a methacrylic resin [2] having a triad syndiotacticity (rr) of 45 to 58% are melt kneaded in a mass ratio of the methacrylic resin [1]/the methacrylic resin [2] of 40/60 to 70/30, and further melt kneaded preferably with a polycarbonate resin in a ratio of 1 to 10 parts by mass of the polycarbonate resin to the total 100 parts by mass of the methacrylic resin [1] and the methacrylic resin [2] to obtain a methacrylic resin composition.

Abstract: A method for producing a (meth)acrylic resin composition, comprising: continuously feeding reaction starting materials to a tank reactor, the reaction starting materials comprising a polymerizable monomer component, a chain transfer agent and a radical polymerization initiator, the polymerizable monomer component comprising 50 to 100% by mass of methyl methacrylate, 0 to 20% by mass of an acrylic acid alkyl ester and 0 to 30% by mass of an additional monomer; conducting bulk polymerization of the polymerizable monomer component at a polymerization conversion ratio of 40 to 70% by mass to obtain a liquid containing a (meth)acrylic resin; continuously feeding the resulting liquid to a vented extruder to separate volatile component from the (meth)acrylic resin; conducting distillation using an atmospheric distillation column to separate the volatile component into a high boiling fraction (C1) and a low boiling fraction (A1); and conducting distillation using a vacuum distillation column having a pressure of ?50

Abstract: A resin film comprising a resin (A) and a multi-layered particle (B), the multi-layered particle comprising a layer (a) made of a polymer comprising 80 to 99.99% by mass of a methyl methacrylate unit, 0.01 to 2% by mass of a crosslinkable monomer unit and 0 to 19.99% by mass of additional copolymerizable monomer units, a layer (b) made of a polymer comprising 70 to 99.8% by mass of an alkyl acrylate unit, 0.2 to 10% by mass of a crosslinkable monomer unit and 0 to 29.

Abstract: A motor vehicle includes side sills that are disposed in pairs on the right and left sides of the motor vehicle and that has bag-shaped cross-sections when viewed from the front of the motor vehicle and a floor panel that constitutes bottoms of at least a passenger compartment and that is coupled to the side sills. The motor vehicle further includes a battery panel that is disposed below the floor panel so as to support batteries and that is coupled to the side sills and a battery movement allowance mechanism that allows movement of the batteries toward the inside of the side sills when the batteries are moved to one side in a vehicle-width direction and, consequently, a load from the batteries is applied to the side sills.

Abstract: A (meth)acrylic resin composition is obtained by a method comprising: continuously feeding a raw material solution essentially comprising methyl methacrylate, a chain transfer agent and a radical polymerization initiator, and optionally comprising an acrylic acid alkyl ester in a mass ratio of the acrylic acid alkyl ester to the methyl methacrylate of 0/100 to 20/80 into a tank reactor to allow bulk polymerization to proceed in the tank reactor at a polymerization conversion ratio of 40 to 70% by mass to obtain a reaction product while continuously discharging the reaction product from the tank reactor; heating the discharged reaction product with a heat exchanger; removing volatile matter from the heated reaction product; filtrating a liquid additive through a filter; and adding the filtrated liquid additive to the reaction product from which the volatile matter has been removed.

Abstract: A method for producing a (meth)acrylic resin composition, the method comprising continuously feeding a polymerizable monomer component comprising 50 to 100% by mass of methyl methacrylate, 0 to 20% by mass of an acrylic acid alkyl ester and 0 to 30% by mass of an additional monomer, a chain transfer agent, and a radical polymerization initiator to a tank reactor; conducting bulk polymerization of the polymerizable monomer component at a polymerization conversion ratio of 40 to 70% by mass to obtain a liquid containing a (meth)acrylic resin; continuously feeding the liquid to a vented extruder to separate a volatile component from the (meth)acrylic resin; continuously feeding the separated volatile component to a distillation column to obtain a fraction containing methyl methacrylate; adding a polymerization inhibitor to the fraction; and reusing the fraction which contains the polymerization inhibitor as part of the polymerizable monomer component.

Abstract: An injection needle is provided that allows design of the size of a needle base without being limited by the size of a syringe connecting part. As a hub, a needle base that is formed to have a through hole into which a needle tube is inserted, and a tubular housing where both ends in the axial direction are opened and the needle base is fitted and stored inside of one end, are formed as separate injection molded parts, thereby allowing the needle base to be largely designed. A needle tube shield part is in a box-lid shape, and the back side of a ceiling part thereof is provided with a tubular guiding part. An edge surface thereof abuts on the needle base, and a side part annularly holds and abuts on the housing. Accordingly, the needle base does not move upon receiving the pressure of a drug solution.

Abstract: A (meth)acrylic resin composition is obtained by a method that comprises: preparing a liquid starting material (A) comprising methyl methacrylate, an acrylic acid alkyl ester and a chain transfer agent, having a mass ratio of the acrylic acid alkyl ester to the methyl methacrylate of 0/100 to 20/80, and having a dissolved oxygen concentration of not more than 50 ppm, preparing a liquid starting material (B) comprising a radical polymerization initiator, a polymerization inhibitor and methyl methacrylate, and having been maintained at a temperature of not more than 10° C. in the presence of oxygen, continuously feeding the liquid starting material (A) and the liquid starting material (B) into a tank reactor, allowing bulk polymerization to proceed in the tank reactor at a polymerization conversion ratio of 40 to 70% by mass to give a reaction product, and continuously discharging the reaction product from the tank reactor.