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 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 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: Provided are: a thermoplastic resin composition containing a thermoplastic polyurethane having improved toughness and melt tension without significantly compromising excellent properties of the thermoplastic polyurethane such as tensile strength at break, tensile strain at break and abrasion resistance; a molded article prepared from the thermoplastic resin composition; and a laminated structure prepared from the thermoplastic resin composition. A thermoplastic resin composition containing: a thermoplastic polyurethane (A); and an acrylic block copolymer (B) that contains an acrylic acid ester polymer block (b1) and a methacrylic acid ester polymer block (b2), wherein a content of the thermoplastic polyurethane (A) with respect to 100 parts by mass of the total of the thermoplastic polyurethane (A) and the acrylic block copolymer (B) is more than 75 parts by mass and 99 parts by mass or less.

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 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: Pellets of an acrylic block copolymer (I) having a polymer block (A1) containing methacrylic acid ester units and a polymer block (B1) containing acrylic acid ester units, and an acrylic polymer (II) having 35 mass % or more methyl methacrylate units are provided. The polymer block (B1) is made of methyl acrylate units and acrylic acid ester units of formula CH2?CH—COOR1 (1), wherein R1 represents a C4-C12 alkyl group. A shaped article prepared with the pellets is also provided.

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 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: 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).