PROBLEM TO BE SOLVED: To provide: an elastomer composition capable of forming an inner liner layer that is excellent in resistance to air permeability, durability, and rolling resistance; an inner liner layer using the elastomer composition; and a pneumatic tire using the elastomer composition.SOLUTION: An elastomer composition for an inner liner layer of a tire contains 100 pts.mass of styrene-isobutylene-styrene triblock copolymer (A) and 0.1-150 pts.mass of a copolymer (B) containing β-pinene and an aromatic vinyl compound as monomer ingredients. An inner liner layer uses the elastomer composition. A pneumatic tire uses the elastomer composition.

    【課題】優れた耐空気透過性、耐久性及び転がり抵抗性を兼ね備えたインナーライナー層を形成することができるエラストマー組成物、並びにそれを用いたインナーライナー層及び空気入りタイヤを提供する。【解決手段】スチレン−イソブチレン−スチレントリブロック共重合体(A)100質量部と、β−ピネン及び芳香族ビニル系化合物をモノマー成分として含む共重合体(B)0.1〜150質量部とを含むタイヤのインナーライナー層用エラストマー組成物、並びにそれを用いたインナーライナー層及び空気入りタイヤである。【選択図】図1


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    Title :

    ELASTOMER COMPOSITION FOR INNER LINER LAYER, AND PNEUMATIC TIRE USING THE SAME


    Additional title:

    インナーライナー層用エラストマー組成物及びそれを用いた空気入りタイヤ


    Contributors:

    Publication date :

    2015-09-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind




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