Abstract: Provided is a hydrogenated copolymer (X) comprising: a hydrogenated copolymer (A); and a hydrogenated copolymer (B), wherein the hydrogenated copolymer (X) satisfies: (1): the hydrogenated copolymer (A) has a random copolymer structure comprising a conjugated diene monomer unit and a vinyl aromatic monomer unit, and content of the vinyl aromatic monomer unit in (A) is 10 to 80 mass %; (2): the hydrogenated copolymer (B) has a random copolymer structure comprising a conjugated diene monomer unit and a vinyl aromatic monomer unit, and content of the vinyl aromatic monomer unit in (B) is 10 to 80 mass %; (3): a ratio (Mn1/Mn2) of (Mn1) of the hydrogenated copolymer (A) to (Mn2) of the hydrogenated copolymer (B) is less than 0.25, and 1000?Mn1?40000; and (4): a mass ratio (A)/(B) of a content of the hydrogenated copolymer (A) to a content of the hydrogenated copolymer (B) is 5/95 to 50/50.

Abstract: A hydrogenated copolymer containing a hydrogenated copolymer (a) prepared by hydrogenating a copolymer of a vinyl aromatic compound and a conjugated diene compound, and a hydrogenated copolymer (b) prepared by hydrogenating a copolymer of a vinyl aromatic compound and a conjugated diene compound, wherein a mass ratio (a)/(b) of a content of the hydrogenated copolymer (a) to a content of the hydrogenated copolymer (b) is 5/95 to 95/5, the hydrogenated copolymer (a) has a hydrogenated polymer block (B1) and a hydrogenated polymer block (B2), the hydrogenated polymer block (B1) consists of a vinyl aromatic compound and a conjugated diene compound and has a content of the vinyl aromatic compound of 40 to 80 mass %, and the hydrogenated polymer block (B2) mainly contains a conjugated diene compound and has a vinyl bond content of 60 to 100 mol % before hydrogenation.

Abstract: A modified block copolymer according to the present invention is a modified block copolymer comprising a polymer block comprising a vinyl aromatic compound as a main constituent (A), a polymer block comprising a conjugate diene compound as a main constituent (B), and an atomic group having NHx (x=0 to 2) (C). In the modified block copolymer, the polymer block comprising a conjugate diene compound as a main constituent (B) is a hydrogenated product, the atomic group having NHx (x=0 to 2) (C) is contained in a side chain, and a compound forming the atomic group having NHx (x=0 to 2) (C).

Abstract: The disclosure provides a film wherein an outer layer includes a polypropylene resin, an intermediate layer includes a polypropylene resin and a hydrogenated block copolymer (a), and an inner layer includes a polypropylene resin.

Abstract: The hydrogenated block copolymer according to the present invention is a hydrogenated block copolymer containing, in the molecule, a polymer block (C) having a conjugated diene compound as a main component, a polymer block (B) having a conjugated diene compound as a main component, and a polymer block (S) having a vinyl aromatic compound as a main component.

Abstract: A hydrogenated copolymer comprising a copolymer block A comprising a vinyl aromatic compound monomer unit and a conjugated diene monomer unit, wherein a tan ? peak obtained by dynamic viscoelasticity measurement (1 Hz) is in the range of ?40° C. to 20° C., a value of the tan ? peak is 0.8 or more, and a half value width of the tan ? peak is 22° C. or less.

Abstract: The present invention provides a hydrogenated block copolymer containing, in the molecule thereof, a polymer block (C) having a conjugated diene compound as a main component, a polymer block (B) having a conjugated diene compound as a main component, and a polymer block (S) having a vinyl aromatic compound as a main component.

Abstract: The resin composition according to the present invention contains a polypropylene resin (a), a hydrogenated block copolymer (b), and a hydrogenated block copolymer (c), wherein: a mass ratio of a content of the hydrogenated block copolymer (b) to a content of the hydrogenated block copolymer (c), (b)/(c), is 90/10 to 10/90; a mass ratio of a content of the polypropylene resin (a) to a total content of the hydrogenated block copolymer (b) and the hydrogenated block copolymer (c), (a)/((b)+(c)), is 10/90 to 90/10; and specific polymer blocks (C), (B1), and (B2) differing in amount of vinyl bond before hydrogenation are contained at a specific ratio.

Abstract: A modified block copolymer according to the present invention is a modified block copolymer comprising a polymer block comprising a vinyl aromatic compound as a main constituent (A), a polymer block comprising a conjugate diene compound as a main constituent (B), and an atomic group having NHx (x=0 to 2) (C). In the modified block copolymer, the polymer block comprising a conjugate diene compound as a main constituent (B) is a hydrogenated product, the atomic group having NHx (x=0 to 2) (C) is contained in a side chain, and a compound forming the atomic group having NHx (x=0 to 2) (C).

Abstract: The present invention provides a hydrogenated block copolymer: having a polymer block (S) containing an aromatic vinyl compound unit as a main constituent; and a polymer block (B) containing a conjugated diene compound unit as a main constituent, in a molecule.

Abstract: A tube including a hydrogenated block copolymer (a), wherein the hydrogenated block copolymer (a) includes, in a molecule, a polymer block mainly including a conjugated diene compound (C), a polymer block mainly including a conjugated diene compound (B), and a polymer block mainly including a vinyl aromatic compound (S).

Abstract: The hydrogenated block copolymer according to the present invention is a hydrogenated block copolymer containing, in the molecule, a polymer block (C) having a conjugated diene compound as a main component, a polymer block (B) having a conjugated diene compound as a main component, and a polymer block (S) having a vinyl aromatic compound as a main component.

Abstract: The resin composition according to the present invention contains a polypropylene resin (a), a hydrogenated block copolymer (b), and a hydrogenated block copolymer (c), wherein: a mass ratio of a content of the hydrogenated block copolymer (b) to a content of the hydrogenated block copolymer (c), (b)/(c), is 90/10 to 10/90; a mass ratio of a content of the polypropylene resin (a) to a total content of the hydrogenated block copolymer (b) and the hydrogenated block copolymer (c), (a)/((b)+(c)), is 10/90 to 90/10; and specific polymer blocks (C), (B1), and (B2) differing in amount of vinyl bond before hydrogenation are contained at a specific ratio.

Abstract: A hydrogenated copolymer comprising a copolymer block A comprising a vinyl aromatic compound monomer unit and a conjugated diene monomer unit, wherein a tan ? peak obtained by dynamic viscoelasticity measurement (1 Hz) is in the range of ?40° C. to 20° C., a value of the tan ? peak is 0.8 or more, and a half value width of the tan ? peak is 22° C. or less.

Abstract: The present invention provides a foam which maintains high hardness while being lightweight and has excellent peel strength and permanent compression set, and a foamable composition used to obtain the aforementioned foam. A foamable composition comprising (A) an olefin-based copolymer; (B) a copolymer that is (B-I) and/or (B-II) described below, (B-I) a vinyl aromatic-based copolymer comprising a vinyl aromatic compound and a conjugated diene, and/or a vinyl aromatic-based copolymer comprising a vinyl aromatic compound and alkylene, (B-II) an ethylene-based copolymer having an unsaturated group; (C) an inorganic filler; (D) an organic silane coupling agent; and (E) a foaming agent; wherein a mass ratio of the component (A) to the component (B), (A/B), is from 5/95 to 100/0; an amount of the component (C) is from 0.5 to 35 mass parts, and an amount of the component (E) is from 0.

Abstract: A resin composition according to the present invention contains a polypropylene-based resin (a), a hydrogenated block copolymer (b), and a hydrogenated block copolymer (c) in a particular mass ratio, and the hydrogenated block copolymer (b) and the hydrogenated block copolymer (c) have particular constitution. Moreover, a sheet-shaped molded body according to the present invention contains the resin composition according to the present invention. Furthermore, a packaging material for medical use, foodstuffs or clothes according to the present invention contains the sheet-shaped molded body according to the present invention.

Abstract: A tube including a hydrogenated block copolymer (a), wherein the hydrogenated block copolymer (a) includes, in a molecule, a polymer block mainly including a conjugated diene compound (C), a polymer block mainly including a conjugated diene compound (B), and a polymer block mainly including a vinyl aromatic compound (S).

Abstract: The disclosure provides a film wherein an outer layer includes a polypropylene resin, an intermediate layer includes a polypropylene resin and a hydrogenated block copolymer (a), and an inner layer includes a polypropylene resin.

Abstract: The present invention provides a hydrogenated block copolymer containing, in the molecule thereof, a polymer block (C) having a conjugated diene compound as a main component, a polymer block (B) having a conjugated diene compound as a main component, and a polymer block (S) having a vinyl aromatic compound as a main component, wherein: in the hydrogenated block copolymer, a content of the polymer block (C) is 1 to 20% by mass, a content of the polymer block (B) is 69 to 98% by mass, and a content of the polymer block (S) is 1 to 15% by mass; a vinyl bond content before hydrogenation of the polymer block (C) is 1 to 25 mol %, and a vinyl bond content before hydrogenation of the polymer block (B) is 60 to 100 mol %; a degree of hydrogenation of the hydrogenated block copolymer is 80 mol % or more; and a tan ? peak obtained by the dynamic viscoelasticity measurement (1 Hz) of the hydrogenated block copolymer is in the range of higher than ?45° C. and 10° C. or lower, a height of the tan ? peak is 1.

Abstract: The present invention provides a hydrogenated block copolymer: having a polymer block (S) containing an aromatic vinyl compound unit as a main constituent; and a polymer block (B) containing a conjugated diene compound unit as a main constituent, in a molecule.