PROBLEM TO BE SOLVED: To provide an inner liner of a pneumatic tire having high durability and crack resistance at low temperature.SOLUTION: There is provided an inner liner 100 of a pneumatic tire having a film layer 10 and an adhesive layer 20 arranged on at least one surface of the film layer 10, where the film layer 10 has a gas barrier layer 11 and an elastic layer 12 arranged on at least one surface of the gas barrier layer 11, the gas barrier layer 11 contains at least a thermoplastic resin, the elastic layer 12 contains at least a polyurethane-based thermoplastic elastomer, the adhesive layer 20 contains at least a polystyrene-based thermoplastic elastomer, and a styrene content of the polystyrene-based thermoplastic elastomer is more than 0 mass% and less than 40 mass%.SELECTED DRAWING: Figure 1

    【課題】低温での耐久性や耐クラック性が高い空気入りタイヤのインナーライナーを提供する。【解決手段】フィルム層10と、該フィルム層10の少なくとも一方の面に配設された接着層20と、を具える空気入りタイヤのインナーライナー100であって、前記フィルム層10は、ガスバリア層11と、該ガスバリア層11の少なくとも一方の面に配設された弾性層12とを有し、前記ガスバリア層11は、熱可塑性樹脂を少なくとも含み、前記弾性層12は、ポリウレタン系熱可塑性エラストマーを少なくとも含み、前記接着層20は、ポリスチレン系熱可塑性エラストマーを少なくとも含み、前記ポリスチレン系熱可塑性エラストマーのスチレン含有量が0質量%超且つ40質量%未満であることを特徴とする、空気入りタイヤのインナーライナー100である。【選択図】図1


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    Title :

    INNER LINER OF PNEUMATIC TIRE, PNEUMATIC TIRE, AND METHOD FOR MANUFACTURING PNEUMATIC TIRE


    Additional title:

    空気入りタイヤのインナーライナー、空気入りタイヤ及び空気入りタイヤの製造方法


    Contributors:

    Publication date :

    2017-12-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand



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