Abstract: A pressure-sensitive adhesive composition that includes a styrenic block copolymer (A1) and an acrylic block copolymer (B), wherein (1) the melt viscosity of the styrenic block copolymer (A1) and the melt viscosity of the acrylic block copolymer (B) satisfy a specific relationship, (2) the mass ratio between the content of the styrenic block copolymer (A1) and the content of the acrylic block copolymer (B) in the pressure-sensitive adhesive composition is in a specific relationship, (3) the styrenic block copolymer (A1) is a hydrogenated product of a block copolymer (P1) including a specific polymer block, and (4) the acrylic block copolymer (B) includes a specific polymer block and has a number average molecular weight in a specific range.

Abstract: Pellets of an acrylic block copolymer are provided which are imparted with sufficient antiblocking properties without deterioration in the outstanding performance of the acrylic block copolymer such as transparency. A method for producing pellets (D) including an acrylic block copolymer (A) includes bringing raw pellets of an acrylic block copolymer (A) into contact with an aqueous dispersion (C) containing acrylic resin particles (B) and no surfactants, the acrylic block copolymer (A) including at least one polymer block (a1) including acrylic acid alkyl ester units and at least one polymer block (a2) including methacrylic acid alkyl ester units, and removing water attached to the pellets.

Abstract: A resin composition containing an acrylic block copolymer (I) and an acrylic block copolymer (II) at a specific proportion thereof, wherein the acrylic block copolymer (I) has at least one polymer block (A1) containing a methacrylic ester unit and at least one polymer block (B1) containing a specific acrylic ester unit and satisfies a specific requirement, and the acrylic block copolymer (II) has at least one polymer block (A2) containing a specific methacrylic ester unit and at least one polymer block (B2) containing a specific acrylic ester unit, and the acrylic block copolymer (II) satisfies a specific requirement.

Abstract: A clad steel plate having tensile strength (TS) of 780 MPa or more, excellent ductility, bendability, collision resistance, and LME resistance. The clad steel plate having a base metal and a cladding metal on front and back surfaces of the base metal, and the chemical composition and microstructure of the base metal and the cladding metal being appropriately controlled so that the average Vickers hardness (HVL) of the cladding metal is 260 or less, the average Vickers hardness (HVL) of the cladding metal divided by the average Vickers hardness (HVB) of the base metal is 0.80 or less, the boundary roughness between the base metal and the cladding metal is 50 ?m or less at the maximum height Ry, and the number of voids at the boundary between the base metal and the cladding metal is controlled to 20 or fewer per 10 mm length of the boundary.

Abstract: A clad steel plate having tensile strength (TS) of 780 MPa or more, excellent bendability, collision resistance, and LME resistance. The clad steel plate having a base metal and a cladding metal on front and back surfaces of the base metal, and the chemical composition and microstructure of the base metal and the cladding metal being appropriately controlled so that the average Vickers hardness (HVL) of the cladding metal is 260 or less, the average Vickers hardness (HVL) of the cladding metal divided by the average Vickers hardness (HVB) of the base metal is 0.80 or less, the boundary roughness between the base metal and the cladding metal is 50 ?m or less at the maximum height Ry, and the number of voids at the boundary between the base metal and the cladding metal is controlled to 20 or fewer per 10 mm length of the boundary.

Abstract: A laminate is provided that has an adhesive layer including a composition containing an acrylic block copolymer, the adhesive layer being so designed that it has a small change in adhesive force over time. The laminate includes an adhesive layer (B) including an acrylic adhesive composition (Z), and a substrate layer (A) including a polyolefin resin (a), the acrylic adhesive composition (Z) including an acrylic block copolymer (I) having one or more polymer blocks (b1) containing an acrylic acid ester-derived structural unit, and one or more polymer blocks (b2) containing a methacrylic acid ester-derived structural unit, the polymer block (b1) containing a structural unit derived from an acrylic acid ester (b1-1) represented by the general formula (1) CH2?CH—COOR1 (wherein R1 denotes a C7-C12 organic group).

Abstract: An acrylic block copolymer having excellent holding power and high processability, and an adhesive composition which includes the copolymer and satisfies both of the above properties. An acrylic triblock copolymer including a polymer block (A) of methacrylic acid ester units, and a polymer block (B) of 95 mass % or more of acrylic acid ester units represented by the general formula (1): CH2?CH—COOR1, wherein R1 denotes a C7-C12 organic group, and the copolymer has a triblock structure (A)-(B)-(A) and a weight average molecular weight (Mw) of 110,000 to 250,000, and a total content of the blocks (A) at both ends is 18 mass % or less.

Abstract: A conveyance apparatus includes a stator including a plurality of coils arranged along a first direction and a mover. The mover moves along the plurality of coils and includes a first magnet group including a plurality of first magnets arranged to face the plurality of coils along the first direction, and a second magnet group including a plurality of second magnets arranged to face the plurality of coils along a second direction intersecting with the first direction. At least one of the plurality of coils includes a core, a wire-wound portion wound around the core, and a yoke. The yoke is adjacent to an outer periphery of a portion of the wire-wound portion along the first direction and extends in the first direction.

Abstract: A thermoplastic elastomer composition including 100 parts by mass of a hydrogenated block copolymer (A), 20 to 180 parts by mass of an acrylic block copolymer (B), 5 to 45 parts by mass of an aromatic polymer (C), and 70 to 250 parts by mass of a softener (D). The hydrogenated block copolymer (A) is a hydrogenated product of a block copolymer (P) having at least two polymer blocks (a1) with a structural unit derived from an aromatic vinyl compound and at least one polymer block (a2) with a structural unit derived from a conjugated diene. The acrylic block copolymer (B) has at least one polymer block (b1) with a structural unit derived from an acrylate and at least one polymer block (b2) with a structural unit derived from a methacrylate.

Abstract: A vinyl chloride resin composition includes a vinyl chloride resin (A), an acrylic block copolymer (B) including a polymer block (b1) containing acrylic acid ester units and a polymer block (b2) containing methacrylic acid ester units, and a gelation accelerator (C), where the weight average molecular weight of the acrylic block copolymer (B) is in the range of 100,000 to 250,000, the content of the polymer block (b2) in the acrylic block copolymer (B) is in the range of 10 to 25 mass %, and the vinyl chloride resin composition contains 20 to 150 parts by mass of the acrylic block copolymer (B) and 4 to 18 parts by mass of the gelation accelerator (C) with respect to 100 parts by mass of the vinyl chloride resin (A).

Abstract: A laminate production method is provided which can sufficiently prevent the occurrence of blocking without causing deterioration in the outstanding characteristics of acrylic block copolymers such as adhesive performance, and can also ensure excellent processability during extrusion.

Abstract: A laminate is provided which includes a substrate and a structural body including a base portion and a through hole and which can concurrently satisfy stickiness and releasability and can be released with no or little adhesive residue. The laminate includes a substrate and a structural body disposed on the surface of at least one side of the substrate, the structural body including a base portion and a through hole. The base portion of the structural body includes an acrylic triblock copolymer (I) and no tackifier resins or includes an acrylic triblock copolymer (I) and a tackifier resin in a tackifier resin/(I) mass ratio of not more than 20/100. The acrylic triblock copolymer (I) includes two polymer blocks (A1) and (A2) each including methacrylic acid ester units and one polymer block (B) including acrylic acid ester units represented by the general formula CH2?CH—COOR1 (1) (wherein R1 denotes a C4-C12 organic group).

Abstract: A laminate is provided which includes a structural body including a base portion and a through hole and which can concurrently satisfy operability and stickiness during processes such as fitting, can be released with no or little adhesive residue, and also exhibits excellent adhesion to various adherends, especially metals. The laminate includes a substrate and a structural body disposed on the surface of at least one side of the substrate, the structural body including a base portion and a through hole. The base portion of the structural body includes an acrylic triblock copolymer (I) that includes two polymer blocks (A1) and (A2) each including methacrylic acid ester units and one polymer block (B) including acrylic acid ester units represented by the general formula CH2?CH—COOR1 (1) (wherein R1 denotes a C1-C3 organic group). The acrylic triblock copolymer (I) has an (A1)-(B)-(A2) block structure and a weight average molecular weight of 50,000 to 250,000.

Abstract: Sufficiently antiblock pellets are provided that include an acrylic block copolymer which has a polymer block including methyl acrylate units. A shaped article is provided from the pellets with high productivity while avoiding deterioration in the outstanding characteristics of the acrylic block copolymer. The pellets include an acrylic block copolymer (I) including at least one polymer block (A1) including methacrylic acid ester units, and at least one polymer block (B1) including acrylic acid ester units, and an acrylic polymer (II) containing 35 mass % or more methyl methacrylate units and having a melt flow rate (MFR) measured at 230° C. under 3.8 kg load of not less than 10 g/10 min. The acrylic acid ester units present in the polymer block (B1) of the acrylic block copolymer (I) consist solely of methyl acrylate units and acrylic acid ester (1) units represented by the general formula CH2?CH—COOR1 (1) (wherein R1 represents a C4-C12 organic group).

Abstract: An assembly device for a battery component proposed herein includes at least one of members that are a positioning pin and a chuck, and a suction machine. There is at least one exhaust passage inside the at least one of the members that are the positioning pin and the chuck. An outer peripheral surface of the at least one of the members that are the positioning pin and the chuck has at least one dust-collecting port to which the at least one exhaust passage opens. The at least one exhaust passage is connected to the suction machine.

Abstract: A process for anionically polymerizing a (meth)acrylic acid in the presence of a tertiary organoaluminum compound (A), an organolithium compound (B) and at least one kind of a Lewis base (C) in a polymerization system. The tertiary organoaluminum compound (A) includes a tertiary organoaluminum compound (A1) having a chemical structure in which at least two of three unshared electrons of an aluminum atom are bonded to an aromatic ring via an oxygen atom, and the tertiary organoaluminum compound (A) has a molar ratio (A2)/(A1) in the range of 0% or above and 0.8% or below between a tertiary organoaluminum compound (A2) having a chemical structure in which at most one of three unshared electrons of an aluminum atom is bonded to an aromatic ring via an oxygen atom, and the tertiary organoaluminum compound (A1).

Abstract: A conveyance apparatus includes a stator including a plurality of coils arranged along a first direction and a mover. The mover moves along the plurality of coils and includes a first magnet group including a plurality of first magnets arranged to face the plurality of coils along the first direction, and a second magnet group including a plurality of second magnets arranged to face the plurality of coils along a second direction intersecting with the first direction. At least one of the plurality of coils includes a core, a wire-wound portion wound around the core, and a yoke. The yoke is adjacent to an outer periphery of a portion of the wire-wound portion along the first direction and extends in the first direction.

Abstract: The present invention provides a secondary battery 1 including: a battery case 10 having a safety valve 13; an electrode body 40; an electrolyte; and a cover member 41 arranged between the safety valve 13 and the electrode body 40 so as to be separated from the safety valve 13. The electrode body 40 is housed in the battery case 10 so that a lamination surface opposes the safety valve 13. The cover member 41 is configured to cover a portion of the battery case 10 in which the safety valve 13 is formed in a state where the cover member 41 holds the lamination surface of the electrode body 40.

Abstract: There is provided an antiviral vinyl-chloride-based resin composition including: 100 parts by weight of a poly(vinyl chloride)-based resin obtained by mixing 10-90 parts by weight of a vinyl-chloride-based resin for paste with 90-10 parts by weight of a suspension vinyl-chloride-based resin; and 0.5-10.0 parts by weight of a sulfonic-acid-based surfactant.

Abstract: Provided is a high-Mn steel which not only has high strength and excellent low-temperature toughness but also has excellent CTOD property at low temperatures. The high-Mn steel has a chemical composition containing, in mass %, C: 0.10-0.70%, Si: 0.05-0.50%, Mn: 20-30%, P: 0.030% or less, S: 0.0070% or less, Al: 0.01-0.07%, Cr: 0.5-7.0%, Ni: 0.01% or more and less than 0.1%, Ca: 0.0005-0.0050%, N: 0.0050-0.0500%, O: 0.0050% or less, Ti: less than 0.0050%, and Nb: less than 0.0050%, the balance consisting of Fe and inevitable impurities, and a microstructure having austenite as a base phase, where the austenite has a grain size of 1 ?m or more and a standard deviation of 9 ?m or less.