PROBLEM TO BE SOLVED: To provide an extruded molded article having a core material which forms a contact part of a thermoplastic elastomer composition having high resistance to sliding on a part of the surface of a holding part, and prevents transition and adhesion of oil onto the surface of the contact part.SOLUTION: An extruded molded article is formed by blending a thermoplastic elastomer composition forming a contact part 6 with 30-60 pts.wt. of component (a): a block copolymer formed of at least two polymer blocks A mainly containing a vinyl aromatic compound and at least one polymer block B mainly containing a conjugated diene compound and/or a hydrogenerated block copolymer obtained by hydrogenation of the block copolymer, 10-30 pts.wt. of component (b): a homopolymer of crystalline ethylene or propylene or a crystalline copolymer mainly containing the ethylene or the propylene, 25-55 pts.wt. of component (c): softening agent for rubber, and 3-15 pts.wt. of component (d) of a petroleum resin and/or a hydrogenated petroleum resin obtained by hydrogenation of the petroleum resin, with respect to 100 pts.wt. of the total of (a), (b) and (c).SELECTED DRAWING: Figure 1

    【課題】保持部の表面の一部に滑りにくい熱可塑性エラストマー組成物の接触部を形成し、接触部の表面にオイルが移行し付着することがない芯材を有する押出し成形品を提供する。【解決手段】接触部6を形成する熱可塑性エラストマー組成物が、成分(a)ビニル芳香族化合物を主体とする重合体ブロックAの少なくとも2個と、共役ジエン化合物を主体とする重合体ブロックBの少なくとも1個とからなるブロック共重合体、及び/またはこれを水素添加して得られる水添ブロック共重合体30〜60重量部、成分(b)結晶性のエチレンもしくはプロピレンの単独重合体またはこのエチレンもしくはプロピレンを主体とする結晶性の共重合体10〜30重量部、成分(c)ゴム用軟化剤25〜55重量部上記(a)+(b)+(c)=100重量部に対して成分(d)石油樹脂及び/または水素添加して得られる水素添加石油樹脂を3〜15重量部配合したことを特徴としている。【選択図】図1


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    Titel :

    EXTRUDED MOLDED ARTICLE HAVING CORE MATERIAL


    Weitere Titelangaben:

    芯材を有する押出し成形品


    Beteiligte:
    HIROKAWA TAKASHI (Autor:in) / KATO KATSUHISA (Autor:in)

    Erscheinungsdatum :

    2017-08-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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