HYDROGENATED COPOLYMER, ADHESIVE FILM, RESIN COMPOSITION, AND MOLDED ARTICLE

    公开(公告)号:EP3974459A1

    公开(公告)日:2022-03-30

    申请号:EP20810655.9

    申请日:2020-05-18

    摘要: 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%,
    the hydrogenated polymer block (B2) mainly contains a conjugated diene compound and has a vinyl bond content of 60 to 100 mol% before hydrogenation,
    the hydrogenated copolymer (b) has a hydrogenated polymer block (B3) consisting of a vinyl aromatic compound and a conjugated diene compound, and a content of the vinyl aromatic compound in the hydrogenated polymer block (B3) is 20 to 90 mass%.

    RESIN COMPOSITION AND MOLDED BODY
    2.
    发明公开

    公开(公告)号:EP3770210A1

    公开(公告)日:2021-01-27

    申请号:EP20190030.5

    申请日:2017-04-24

    摘要: The resin composition according to the present invention comprises a polypropylene resin (a), a hydrogenated block copolymer (b), and a hydrogenated block copolymer (c), wherein the hydrogenated block copolymers (b) and (c) comprise, in each molecule, a vinyl aromatic compound unit and a conjugated diene compound unit; a total amount of the vinyl aromatic compound unit in the hydrogenated block copolymers (b) and (c) is 1 to 15 mass%; degrees of hydrogenation of the hydrogenated block copolymers (b) and (c) are each 80 mol% or more; a butylene content and/or a propylene content in the hydrogenated block copolymers (b) and (c) is specified; a tan δ peak obtained by a dynamic viscoelasticity measurement (1 Hz) of the hydrogenated block copolymers (b) and (c) are each in a specified range; the hydrogenated block copolymer (b) and/or (c) has a crystallization peak at -20 to 80°C and has a heat of crystallization of 0.1 to 10 J/g; the hydrogenated block copolymers (b) and (c) neither have a crystallization peak at a position other than -20 to 80°C nor have a heat of crystallization of less than 0.1 J/g and more than 10 J/g;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; and
    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.

    HYDROGENATED COPOLYMER, RESIN COMPOSITION, MOLDED BODY AND ADHESIVE FILM

    公开(公告)号:EP4169959A1

    公开(公告)日:2023-04-26

    申请号:EP21828414.9

    申请日:2021-06-08

    IPC分类号: C08F297/04 C08L53/02 C09J7/30

    摘要: Provided is a hydrogenated copolymer (X) comprising: a hydrogenated copolymer (A); and a hydrogenated copolymer (B), wherein the hydrogenated copolymer (X) satisfies the following (1) to (4): (1): the hydrogenated copolymer (A) has a random copolymer structure comprising a conjugated diene monomer unit and a vinyl aromatic monomer unit, and a 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 a 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.

    RESIN COMPOSITION AND MOLDED ARTICLE
    8.
    发明公开

    公开(公告)号:EP3450496A1

    公开(公告)日:2019-03-06

    申请号:EP17789466.4

    申请日:2017-04-24

    IPC分类号: C08L23/10 C08L53/02

    摘要: 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.

    HYDROGENATED BLOCK COPOLYMER, POLYPROPYLENE RESIN COMPOSITION, AND MOLDED ARTICLE

    公开(公告)号:EP3450474A1

    公开(公告)日:2019-03-06

    申请号:EP17789472.2

    申请日:2017-04-24

    摘要: 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, wherein:
    the polymer block (B) contains polymer blocks (B1) and (B2);
    in the hydrogenated block copolymer, a content of the polymer block (C) is 1 to 20 mass%, a content of the polymer block (B) is 73 to 97 mass%, and a content of the polymer block (S) is 1 to 15 mass%;
    an amount of vinyl bond before hydrogenation of the polymer block (C) is 1 to 25 mol%, an amount of vinyl bond of the polymer block (B1) is 40 to 60 mol%, and an amount of vinyl bond of the polymer block (B2) is 60 to 100 mol%; and
    a degree of hydrogenation is 80 mol% or more.