As an additive composition capable of improving the processability, the low loss property and the breaking resistance of a silica compounded rubber composition, and a rubber composition excellent in processability, low loss property and breaking resistance, this disclosure provides an additive composition for silica compounded rubber composition comprising a glycerin fatty acid ester, wherein: the glycerin fatty acid ester is an ester of a glycerin and two or more fatty acids, a fatty acid component which is the most among the two or more fatty acids constituting the glycerin fatty acid ester being 10 to 90 mass% of all fatty acids; and a monoester component is contained in an amount of 50 to 100 mass% in the glycerin fatty acid ester, and provides a rubber composition comprising a diene based rubber, a silica, and the additive composition for silica compounded rubber composition.


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    Title :

    ADDITIVE COMPOSITION FOR SILICA-COMPOUNDED RUBBER COMPOSITION, RUBBER COMPOSITION, AND TIRE


    Additional title:

    ADDITIVZUSAMMENSETZUNG FÜR SILICA-ZUSAMMENGESETZTE KAUTSCHUKZUSAMMENSETZUNG, KAUTSCHUKZUSAMMENSETZUNG UND REIFEN
    COMPOSITION D'ADDITIF POUR COMPOSITION DE CAOUTCHOUC COMPOSÉE DE SILICE, COMPOSITION DE CAOUTCHOUC ET PNEU


    Contributors:

    Publication date :

    2019-08-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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