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    • 90. 发明专利
    • Thermoplastic elastomer composition and molding thereof
    • 热塑性弹性体组合物及其成型
    • JP2006070135A
    • 2006-03-16
    • JP2004254189
    • 2004-09-01
    • Advanced Plastics Compounds Coアプコ株式会社
    • HIROTA YASUFUMI
    • C08L23/14C08L53/02
    • C08L23/10C08L23/14C08L53/00C08L53/005C08L53/02C08L53/025C08L91/00C08L2205/03C08L2666/02C08L2666/24C08L2666/04
    • PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition capable of giving a molding having glossiness and mar resistance.
      SOLUTION: The thermoplastic elastomer composition contains the following components (A) and (B) in a specified ratio. Component (A) is a propylene copolymer satisfying the requirements (a1) to (a3): (a1) it is a copolymer of propylene and another 2 to 8C α-olefin, (a2) its normally xylene-soluble portion accounts for 10 to 60 wt.% of the copolymer, and (a3) the content of an α-olefin except propylene is 5 to 30 wt.% based on the normally xylene-soluble portion. Component (B) is a block copolymer represented by the formula: A(B-A)
      n and/or (A-B)
      n or a hydrogenation product thereof (wherein A is a polymer block of a monovinyl-substituted aromatic hydrocarbon; B is a conjugated diene polymer block; and n is an integer of 1 to 5).
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 解决的问题:提供能够赋予具有光泽度和耐擦伤性的成型体的热塑性弹性体组合物。 解决方案:热塑性弹性体组合物以特定比例含有下列组分(A)和(B)。 组分(A)是满足要求(a1)至(a3)的丙烯共聚物:(a1)它是丙烯与另一种2-8α-烯烃的共聚物,(a2)其通常二甲苯可溶部分占10〜 60重量%的共聚物,和(a3)丙烯以外的α-烯烃的含量相对于正常二甲苯可溶部分为5〜30重量%。 组分(B)是由下式表示的嵌段共聚物:A(BA)和/或(AB) n 或其氢化产物(其中A是聚合物 单乙烯基取代的芳族烃的嵌段; B是共轭二烯聚合物嵌段; n是1至5的整数)。 版权所有(C)2006,JPO&NCIPI