To provide an inner liner adhering even by low temperature vulcanization at about 160°C to a rubber composition layer constituting a tire of carcass without using an adhesive and an adhesive tire rubber.SOLUTION: An inner liner of a pneumatic tire, comprising a thermoplastic elastomer composition is such that: the thermoplastic elastomer composition contains a thermoplastic resin (a11) having a melting point of 180°C or less, or a thermoplastic elastomer (a12) having a melting point of 180°C or less, and not containing residues containing an unsaturated bond derived from a conjugated diene compound, and an elastomer (a2) containing residues containing an unsaturated bond derived from a conjugated diene compound; and a tensile break elongation of the thermoplastic elastomer composition at a temperature of 25°C and a tensile speed of 500 mm/min is 100% or more.SELECTED DRAWING: None

    【課題】160℃程度の低温加硫でも、接着剤や接着タイゴムを使用せずに、カーカス等のタイヤを構成するゴム組成物の層と接着するインナーライナーを提供する。【解決手段】熱可塑性エラストマー組成物からなる空気入りタイヤ用インナーライナーであって、熱可塑性エラストマー組成物が、180℃以下の融点を有する熱可塑性樹脂(a11)または180℃以下の融点を有し共役ジエン化合物由来の不飽和結合を含有する残基を含まない熱可塑性エラストマー(a12)と、共役ジエン化合物由来の不飽和結合を含有する残基を含むエラストマー(a2)とを含み、熱可塑性エラストマー組成物の温度25℃および引張速度500mm/minでの引張破断伸びが100%以上であることを特徴とする。【選択図】なし


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    Title :

    INNER LINER, LAMINATE AND PNEUMATIC TIRE


    Additional title:

    インナーライナー、積層体および空気入りタイヤ


    Contributors:
    SATO SHUN (author) / TOMOI SHUSAKU (author)

    Publication date :

    2021-03-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / 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 / B60C VEHICLE TYRES , Fahrzeugreifen



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