A vulcanizable rubber composition suitable for a tire tread, which provides a balance of rolling resistance, wet traction and grip on snow and ice, includes 80-100 parts per hundred rubber (phr) of a polydiene component including one or more elastomers selected from the group consisting of polybutadiene rubber, a solution-polymerized styrene-butadiene rubber with a styrene content of 2-10 wt. % and a Tg of −95° C. to −75° C., and mixtures thereof. The polydiene component is selected such that the elastomers which have cis-1,4-butadiene content of greater than 90% total no more than 45 phr. Elastomers other than the polydiene component may be up to 20 phr. The composition includes at least 100 phr of silica filler, at least 5 parts per hundred silica of a blocked mercapto organosilane coupling agent, at least 40 phr of a hydrocarbon traction resin, a sulfur-based curing agent, zinc oxide, and a cure accelerator.


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    Titel :

    TREAD COMPOSITION FOR ALL-SEASON TIRE


    Beteiligte:

    Erscheinungsdatum :

    22.05.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / 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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