The invention relates to a rubber composition and a truck tire. A rubber composition for a truck tire (1) is disclosed. The rubber composition comprises from 70 phr to 95 phr of a polyisoprene; from 5 phr to 30 phr of a polybutadiene rubber having a cis content of less than 60% and functionalized to couple with silica; and from 40 phr to 80 phr of a filler comprising predominantly silica. Also disclosed is a heavy duty tire (1), preferably a 22.5 inch heavy duty tire, comprising said rubber composition in the tread (10).

    本发明涉及橡胶组合物和载重轮胎。公开了一种用于载重轮胎(1)的橡胶组合物。所述橡胶组合物包含70phr至95phr的聚异戊二烯;5phr至30phr的具有小于60%的顺式含量并被官能化以与二氧化硅偶联的聚丁二烯橡胶;和40phr至80phr的主要包含二氧化硅的填料。还公开了一种载重轮胎(1),优选22.5英寸载重轮胎,其在胎面(10)中包含所述橡胶组合物。


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    Titel :

    Rubber composition and truck tire


    Weitere Titelangaben:

    橡胶组合物和载重轮胎


    Beteiligte:

    Erscheinungsdatum :

    2024-01-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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