To provide an additive for imparting tear strength to a rubber component, a rubber composition containing the additive and a tire having excellent tear strength.SOLUTION: An additive for imparting tear strength to a rubber component, contains a compound having a 4,5-dihydro-1H-pyrazole ring represented by the general formula (1), or a compound having a 2,3-dihydro-1H-pyrazole ring, or salts of these compounds. [In formula (1), R, R, Rand Rare the same or different to represent a hydrogen atom, an alkyl group or the like. Rand Rmay form an alkylidene group together, or two of R, Rand Rmay form an alkylene group together. These groups each may have one or more substituents.]SELECTED DRAWING: None

    【課題】ゴム成分に引裂き強度を付与するための添加剤、添加剤を含有するゴム組成物及び優れた引裂き強度を有するタイヤを提供すること。【解決手段】ゴム成分に引裂き強度を付与するための添加剤であって、下記一般式(1)で表される4,5−ジヒドロ−1H−ピラゾール環を有する化合物、又は2,3−ジヒドロ−1H−ピラゾール環を有する化合物、あるいはそれら化合物の塩を含む、添加剤。[式(1)中、R1、R2、R3及びR4は同一又は異なって、水素原子、アルキル基等を示す。R3とR4とは一緒になってアルキリデン基を形成してもよく、R2、R3及びR4のいずれか2つが一緒になってアルキレン基を形成してもよい。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


    Access

    Download


    Export, share and cite



    Title :

    ADDITIVE FOR IMPARTING TEAR STRENGTH TO RUBBER COMPONENT, RUBBER COMPOSITION AND TIRE


    Additional title:

    ゴム成分に引裂き強度を付与するための添加剤、ゴム組成物及びタイヤ


    Contributors:

    Publication date :

    2020-03-05


    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 / C07D HETEROCYCLIC COMPOUNDS , Heterocyclische Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



    RUBBER COMPOSITION, TIRE, AND ADDITIVE FOR IMPARTING LOW HEAT BUILD-UP PROPERTIES TO RUBBER COMPONENT

    AOYANAGI SEIICHI / YOSHIDA TERUYUKI | European Patent Office | 2020

    Free access


    ADDITIVE FOR IMPARTING LOW HEAT BUILD-UP TO RUBBER COMPONENT

    SATO TAKASHI / YUASA HIROAKI / NAKASHIMA SHINYA | European Patent Office | 2017

    Free access

    Rubber composition, tire, and rubber additive

    SHINOZAKI SHINYA / UENO MAIYU | European Patent Office | 2022

    Free access

    RUBBER COMPOSITION, TIRE, AND RUBBER ADDITIVE

    SHINOZAKI SHINYA / OKABE YUKI | European Patent Office | 2022

    Free access