To provide an elastomer composition excellent in total performance of ice grip performance and dry grip performance, and a tire using the same.SOLUTION: An elastomer composition includes: a butadiene-based elastomer; a random copolymer C of a monomer A and a monomer B, where the monomer A is a compound whose homopolymer is a temperature responsive polymer compound, the monomer B is a compound having a glass transition temperature of its homopolymer of -60°C or lower, and the random copolymer C has a ratio of the monomer A and the monomer B (a mass of the monomer A: a mass of the monomer B) of 50:50-15:85.SELECTED DRAWING: None

    【課題】アイスグリップ性能及びドライグリップ性の総合性能に優れたエラストマー組成物、及びそれを用いたタイヤを提供する。【解決手段】ブタジエン系エラストマーと、単量体A及び単量体Bのランダム共重合体Cとを含むエラストマー組成物であって、前記単量体Aは、ホモポリマーが温度応答性高分子である化合物であり、前記単量体Bは、ホモポリマーのガラス転移温度が-60℃以下である化合物であり、前記ランダム共重合体Cは、前記単量体Aと前記単量体Bとの割合(単量体Aの質量:単量体Bの質量)が50:50~15:85であるエラストマー組成物に関する。【選択図】なし


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    Title :

    ELASTOMER COMPOSITION, AND TIRE


    Additional title:

    エラストマー組成物及びタイヤ


    Contributors:

    Publication date :

    2024-07-30


    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



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