To provide a phenolic resin for rubber compositions that achieves both of a high elastic modulus and good hysteresis loss.SOLUTION: A phenolic resin for rubber compositions has a structure formed by modifying a phenolic resin containing an unsaturated bond with a tetrazine compound represented by a general formula (1) or a salt thereof. [In the formula (1), X1 and X2 are the same or different and each represent a hydrogen atom or an alkyl, alkylthio, aralkyl, aryl, arylthio, heterocyclic, or amino group. These groups each may have one or more substituents].SELECTED DRAWING: None

    【課題】高弾性率と良好なヒステリシスロスとを両立できるゴム組成物用フェノール樹脂の提供。【解決手段】ゴム組成物用フェノール樹脂は、不飽和結合を有するフェノール樹脂が、一般式(1)で表されるテトラジン化合物又はその塩により変性された構造を有する。[式(1)中、X1及びX2は、同一又は異なって、水素原子、アルキル基、アルキルチオ基、アラルキル基、アリール基、アリールチオ基、複素環基、又はアミノ基を示す。これら各基は、それぞれ1個以上の置換基を有していてもよい。]【選択図】なし


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    Title :

    PHENOLIC RESIN FOR RUBBER COMPOSITION, RUBBER COMPOSITION, AND RUBBER PRODUCT


    Additional title:

    ゴム組成物用フェノール樹脂、ゴム組成物、およびゴム製品


    Contributors:

    Publication date :

    2021-02-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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