提供能够提供低发热性和操作性优异的橡胶组合物的橡胶用添加剂、包含该橡胶用添加剂的橡胶组合物及使用该橡胶组合物的充气轮胎。一种橡胶用添加剂,其特征在于,含有下述式(I)所示的酰肼化合物(式中,R表示羟基、碳数1~4的烷基或碳数1~4的烷氧基,A表示碳数1~4的亚烷基、或碳数2~4的亚烯基。)。另外,一种包含该橡胶用添加剂的橡胶组合物及使用该橡胶组合物的充气轮胎。

    Provided are: a rubber additive that enables to provide a rubber composition having excellent low heat generation properties and manufacturing operability; a rubber composition including the rubber additive; and a pneumatic tire including the rubber composition. The rubber additive is characterized by containing a hydrazide compound represented by Formula (I) below, where R represents a hydroxyl group, an alkyl group having 1 to 4 carbon atoms, or an alkoxy group having 1 to 4 carbon atoms and A represents an alkylene group having 1 to 4 carbon atoms or an alkenylene group having 2 to 4 carbon atoms; the rubber composition containing the rubber additive; and the pneumatic tire including the rubber composition:


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    Titel :

    橡胶用添加剂、橡胶组合物及使用该橡胶组合物的充气轮胎


    Erscheinungsdatum :

    2020-12-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS , Acyclische oder carbocyclische Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS