Abstract: A resin composition containing: a block copolymer (I) having a polymer block (a1) containing a structural unit derived from an aromatic vinyl compound and a polymer block (a2) containing a structural unit derived from a conjugated diene compound; a plasticizer (II); and a biomass-derived polyolefin-based resin (III); in which the plasticizer (II) contains a plasticizer (II-1) containing a biomass-derived raw material; and in which the resin composition has a biobased content of 45% by mass or more, and a molded body obtained by using the resin composition.

Abstract: Provided are a multilayer body in which base materials composed of a metal, a resin or the like are firmly bonded to each other even when not subjected to primer treatment or the like, and a method for producing the multilayer body. The multilayer body has a base material (X), an adhesive layer (Y), and a base material (Z) in this order, wherein the adhesive layer (Y) contains a hydrogenated block copolymer (A) obtained by hydrogenating a block copolymer (P) containing a polymer block (a) composed of a structural unit derived from an aromatic vinyl compound and a polymer block (b) composed of a structural unit derived from a conjugated diene, the mass ratio [(a)/(b)] of the polymer block (a) to the polymer block (b) is 1/99 to 50/50, and the adhesive layer (Y) has a storage modulus G? at 100° C. of 1.2×105 to 4.0×105 Pa.

Abstract: Provided is a technique capable of more accurately determining a solder protruding defect in an appearance inspection device that acquires an image of an inspection region of an inspection target and measures a height of a predetermined place in the inspection region with a height measurement device. The appearance inspection device includes: an imaging unit (3); a height measurement unit (20); a moving mechanism (5) that moves the imaging unit (3) and the height measurement unit (20). When a restricted region (M) in the inspection target is irradiated with the measurement light emitted from the height measurement unit (20), the determination unit restricts defect determination based on the information on the height of the predetermined place measured by the height measurement unit (20).

Abstract: The purpose of the present invention is to provide: an epoxy resin composition capable of giving cured resins which combine flexural modulus with flexural strain on a high level and have excellent heat resistance; a prepreg comprising the epoxy resin composition and reinforcing fibers; and a fiber-reinforced composite material obtained by curing the prepreg and excellent especially in terms of 0° and 90° bending strength. An embodiment of the epoxy resin composition of the present invention for achieving such purpose is an epoxy resin composition which comprises the following components [A], [B], and [C] and satisfies a specific requirement. Component [A]: a trifunctional amine type epoxy resin. Component [B]: a bisphenol F type epoxy resin which is solid at 25° C. Component [C]: an aromatic amine compound.

Abstract: A purpose of the present invention is to provide a thermosetting epoxy resin composition that manifests latency at a temperature at which the thermosetting resin cures and has an excellent curing rate, and molded articles obtained by thermosetting the same. A further purpose is to provide a fiber-reinforced composite material obtained by blending with reinforcing fibers, a molding material for a fiber-reinforced composite material, and a method for producing a fiber-reinforced composite material. To achieve the above, the thermosetting epoxy resin composition of the present invention is a thermosetting epoxy resin composition including the following constituent elements [a], [b], and [c], wherein the relationship between the curing time (Tc) and the induction time (Ti) satisfies 1<Tc/Ti?9.

Abstract: The purpose of the present invention is to provide a thermosetting epoxy resin composition that is excellent in terms of both pot life and fast curability at low temperatures and also a molded article that is prepared by thermally curing the thermosetting epoxy resin composition and is excellent in terms of both wet heat resistance and toughness. In order to achieve the purpose, the thermosetting epoxy resin composition of the present invention includes the following components [a], [b], [c], and [d], wherein the stoichiometric ratio of [b] to [a] is in the range from 0.5 to 2.0: [a] an epoxy resin; [b] an isocyanate curing agent; [c] a hydroxyl group capping agent; [d] an epoxy curing catalyst.

Abstract: An epoxy resin composition is provided that has an elastic modulus, deformability, fracture toughness, and heat resistance in good balance. A prepreg produced from the epoxy resin composition and a fiber-reinforced composite material produced by curing the prepreg are also provided, where the epoxy resin composition includes the components [A], [B], and [C] and satisfies all of the requirements (1), (2), and (3) as described.

Abstract: In a method of controlling a flying object 1, from the flying object 1 that includes a flying object propulsion apparatus 16 and an energy storage apparatus 7, 8 having a plurality of energy storage devices 6 and configured to supply electricity to the flying object propulsion apparatus 16, one or a plurality of the energy storage devices 6 are separated.

Abstract: A thermoplastic elastomer composition including an acrylic block copolymer (I) and a hydrogenated block copolymer (II). The content of the acrylic block copolymer (I) is 70 to 300 parts by mass with respect to 100 parts by mass of the hydrogenated block copolymer (II); the hydrogenated block copolymer (II) is a hydrogenated product of a block copolymer (P) including a polymer block (A1) containing structural units derived from an aromatic vinyl compound, and a polymer block (B1) containing 1 to 100 mass % of structural units (b1) derived from farnesene and 99 to 0 mass % of structural units (b2) derived from a conjugated diene other than farnesene, the mass ratio [(A1)/(B1)] of the polymer block (A1) to the polymer block (B1) being 1/99 to 70/30; and the hydrogenation ratio of carbon-carbon double bonds in the polymer block (B1) is 50 to 100 mol %.

Abstract: An energy storage system used in a flight vehicle includes: a plurality of energy storage apparatuses; and a power transfer circuit that is connected to the plurality of energy storage apparatuses and transfer electric power between the plurality of energy storage apparatuses.

Abstract: An energy storage apparatus used in a flight vehicle includes battery circuits connected in series, through which current flows during charge and discharge of the energy storage apparatus. Each of the battery circuits includes: a first electrical path; an energy storage cell connected to an adjacent battery circuit through the first electrical path; a first switch that includes a diode and is provided in the first electrical path such that a forward direction of the diode is a charge direction of the energy storage apparatus; a second electrical path connected to the adjacent battery circuit in parallel with the energy storage cell and the first switch; and a second switch that includes a diode and is provided in the second electrical path such that a forward direction of the diode is a discharge direction of the energy storage apparatus, and is turned on when the first switch is turned off.

Abstract: Provided are a multilayer body in which base materials composed of a metal, a resin or the like are firmly bonded to each other even when not subjected to primer treatment or the like, and a method for producing the multilayer body. The multilayer body has a base material (X), an adhesive layer (Y), and a base material (Z) in this order, wherein the adhesive layer (Y) contains a hydrogenated block copolymer (A) obtained by hydrogenating a block copolymer (P) containing a polymer block (a) composed of a structural unit derived from an aromatic vinyl compound and a polymer block (b) composed of a structural unit derived from a conjugated diene, the mass ratio [(a)/(b)] of the polymer block (a) to the polymer block (b) is 1/99 to 50/50, and the adhesive layer (Y) has a storage modulus G? at 100° C. of 1.2×105 to 4.0×105 Pa.

Abstract: To provide a waterproof sheet for civil engineering, having sufficient strength and elongation even at a low temperature of about ?10° C. and having excellent adhesiveness to a structure such as a tunnel. Disclosed is a waterproof sheet for civil engineering, which has a layer (A) including a composition containing an ethylene-vinyl acetate copolymer (a1) and a thermoplastic resin (a2) other than the ethylene-vinyl acetate copolymer (a1), and a silica-containing layer containing silica, wherein the content of the ethylene-vinyl acetate copolymer (a1) in the composition is 30 to 95% by mass, the content of the thermoplastic resin (a2) is 5 to 70% by mass, and the absolute value of the difference between the SP value of the ethylene-vinyl acetate copolymer (a1) and the SP value of the thermoplastic resin (a2) is less than 0.70 (cal/cm3)1/2.

Abstract: A prepreg and an integrally molded article are described, the prepreg including a thermoplastic resin existing on one face of a layer in which reinforcing fibers are impregnated with a thermosetting resin, wherein the prepreg exhibits, in injection molding or press molding, thermal weldability with a member containing a thermoplastic resin, and wherein the thermosetting resin has a specific peak on a loss tangent (tan ?) curve obtained by dynamic mechanical analysis (DMA), so that the prepreg exhibits suitable flexibility and adhesiveness, excellent formability on a complicated mold face, and adhesion to a mold face, causes no positional shift, and can be efficiently reinforced and stiffened at an intended position.

Abstract: A resin composition containing an ethylene-vinyl acetate copolymer (I) and a hydrogenated block copolymer (II), wherein the hydrogenated block copolymer (II) is a hydrogenated product of a block copolymer (P) containing a polymer block (A) containing a structural unit derived from an aromatic vinyl compound and a polymer block (B) containing 1 to 100% by mass of a structural unit (b1) derived from farnesene and 99 to 0% by mass of a structural unit (b2) derived from a conjugated diene other than farnesene, wherein the hydrogenation rate of carbon-carbon double bonds in the structural unit derived from a conjugated diene in the block copolymer (P) is 70 mol % or more, and in the resin composition, the content of the ethylene-vinyl acetate copolymer (I) is 40 to 95% by mass and the content of the hydrogenated block copolymer (II) is 5 to 60% by mass.

Abstract: Provided are: a resin composition containing a rubber (I), a block copolymer (II) and a crosslinking agent (III), wherein the ratio by mass of the rubber (I) to the block copolymer (II), (I)/(II) is 99/1 to 55/45, and the block copolymer (II) is a block copolymer containing a polymer block (A) that contains an aromatic vinyl compound-derived structural unit and a polymer block (B) that contains a farnesene-derived structural unit (b1), and a molded article of the resin composition.

Abstract: An object is to shorten time required for visual inspection. A visual inspection device (1) configured to inspect an appearance of an inspection object (30), the visual inspection device (1) including: an imager (3) configured to image the inspection object (30) arranged at a predetermined position of the visual inspection device (1); and a height measurer (11, 12) configured to measure a height of the inspection object (30) carried into the visual inspection device (1) or carried out from the visual inspection device (1).

Abstract: Provided is a technique capable of more accurately determining a solder protruding defect in an appearance inspection device that acquires an image of an inspection region of an inspection target and measures a height of a predetermined place in the inspection region with a height measurement device. The appearance inspection device includes: an imaging unit (3); a height measurement unit (20); a moving mechanism (5) that moves the imaging unit (3) and the height measurement unit (20). When a restricted region (M) in the inspection target is irradiated with the measurement light emitted from the height measurement unit (20), the determination unit restricts defect determination based on the information on the height of the predetermined place measured by the height measurement unit (20).

Abstract: The purpose of the present invention is to provide an epoxy resin composition which exhibits a high level of deforming capacity and fracture toughness and from which a resin cured product maintaining heat resistance can be obtained. The epoxy resin composition according to the present invention satisfies condition 1 or condition 2 below, wherein the resin cured product obtained by reacting the epoxy resin composition at 150° C. for 60 minutes has a tensile elongation at break of 7% or more. Condition 1: including all the following components [A], [B], and [C], component [A]: a bifunctional aliphatic epoxy resin having a specific structure, component [B]: a terminal carboxy-modified acrylic rubber, and component [C]: a dicyandiamide.

Abstract: The present invention aims to provide an epoxy resin composition that is high in both fast curability and storage stability, a prepreg prepared by using the epoxy resin composition, and a fiber reinforced composite material prepared by curing the prepreg. The epoxy resin composition contains the following components [A], [B], [C], and [D] and meets the following requirements [a], [b], and [c]: [A]: epoxy resin, [B]: dicyandiamide, [C]: aromatic urea, [D]: borate ester, [a]: 0.014?(content of component [D]/content of component [C])?0.045, [b]: 0.9?(number of moles of active groups in component [A]/number of moles of active hydrogen in component [B])?1.2, and [c]: 14?(content of component [A]/content of component [C])?25.