To provide a laminate consisting of a thermoplastic elastomer excellent in both of high foaming and surface skin.SOLUTION: There are provided a laminate having a layer (I) consisting of a resin foam body containing an ethylene α-olefin with 3 to 20 carbon atoms non-conjugated polyene (A) of 10 to 35 pts.mass, a propylene polymer having intrinsic viscosity [η] measured in decalin at 135°C of 0.1 dl/g or more and less than 5 dl/g (B) of 1 to 15 pts.mass, a propylene polymer having melting point of 150°C or higher and intrinsic viscosity [η] measured in decalin at 135°C of 5 dl/g to 10 dl/g (C) of 0.1 to 5 pts.mass, and a styrene thermoplastic elastomer (D) of 30 to 70 pts.mass (total of components (A), (B), (C) and (D) is 100 pts.mass) and a layer (II) consisting of a thermoplastic elastomer in contact; a manufacturing method of the laminate; and a seal material consisting of the laminate, e.g. a seal material for automobile.SELECTED DRAWING: None

    【課題】高発泡と表面肌の両面で優れた熱可塑性エラストマーからなる積層体を提供する。【解決手段】エチレン・炭素原子数3〜20のα−オレフィン・非共役ポリエン共重合体(A)10〜35質量部、135℃のデカリン中で測定される極限粘度[η]が0.1dl/g以上、5dl/g未満であるプロピレン系重合体(B)1〜15質量部、融点が150℃以上で、135℃のデカリン中で測定される極限粘度[η]が5dl/g以上、10dl/g以下であるプロピレン系重合体(C)0.1〜5質量部及びスチレン系熱可塑性エラストマー(D)30〜70質量部(成分(A)、(B)、(C)及び(D)の合計量は100質量部である)を含む樹脂発泡体からなる層(I)と、熱可塑性エラストマーからなる層(II)とが接している積層体;前記積層体の製造方法;及び前記積層体からなるシール材、例えば自動車用シール材。【選択図】なし


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    Title :

    LAMINATE AND SEAL MATERIAL USING THERMOPLASTIC ELASTOMER COMPOSITION SUITABLE FOR CO-EXTRUSION FOAM MOLDING


    Additional title:

    共押出発泡成形に適した熱可塑性エラストマー組成物を用いた積層体及びシール材


    Contributors:

    Publication date :

    2019-06-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge / C08J Verarbeitung , WORKING-UP



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