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    • 6. 发明公开
    • THERMOPLASTIC POLYMER COMPOSITION, AND MOUDLED ARTICLE
    • EP3196250A4
    • 2018-05-02
    • EP15836800
    • 2015-08-10
    • KURARAY CO
    • MINAMIDE ASAKOMASUDA MIKIOJOGO YOSUKE
    • C08L53/02B29C65/48C08L23/26C08L29/14C08L51/06C09J123/14C09J123/26C09J129/14C09J151/06C09J153/02
    • B29C65/48C08L23/26C08L51/06C08L53/02C08L53/025C09J123/14C09J123/26C09J151/06C09J153/02C09J153/025C08L29/14
    • To provide a thermoplastic polymer composition, which can be adhered to a synthetic resin, a ceramic or a metal without performing a primer treatment or the like, is able to be handled as a molded article, exhibits an excellent adhesive property in a broad temperature range from a low temperature to room temperature and flexibility, and has high thermal creep resistance, and a molded article using the thermoplastic polymer composition. A thermoplastic polymer composition, which contains from 10 to 100 parts by weight of a polar group-containing polypropylene-based resin (B) based on 100 parts by weight of a hydrogenated block copolymer (A) in which block copolymer containing a polymer block (S) including an aromatic vinyl compound unit and a polymer block (D) including a conjugated diene compound unit is hydrogenated, in which the hydrogenated block copolymer (A) is a mixture containing a hydrogenated block copolymer (A1) having at least one tan ´ local maximum value in a range from -60 to -40°C, in which a block copolymer represented by formula (i) or (ii) shown below is hydrogenated: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ(i)€ƒ€ƒ€ƒ€ƒ€ƒ(S-D) n €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ(ii)€ƒ€ƒ€ƒ€ƒ€ƒ(D-S) n -D (in the formulae above, S is a polymer block including an aromatic vinyl compound unit, D is a polymer block including a conjugated diene compound unit, and n is an integer from 1 to 5); and a hydrogenated block copolymer (A2) in which a block copolymer represented by formula (iii) shown below is hydrogenated: €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ(iii)€ƒ€ƒ€ƒ€ƒ€ƒ(S-D) m -S (in the formula above, S is a polymer block including an aromatic vinyl compound unit, D is a polymer block including a conjugated diene compound unit, and m is an integer from 1 to 5); and a weight ratio of the hydrogenated block copolymer (A1) to the hydrogenated block copolymer (A2) is from 20:80 to 99:1.