A rubber composition is disclosed comprising:(A) at least one conjugated diene-based elastomer, and(B) a filler reinforcement for said rubber composition comprising a combination of silica and carbon black,wherein at least one of said conjugated diene-based elastomers is an end-chain multi-functionalized elastomer comprising a diene-based elastomer end-chain functionalized with at least one multi-functional group comprising at least one of:(1) alkoxyorganosilane polysulfide of the general formula (I): (I) (R1O)3-Si-R2-Sx-R2-Si-(OR1)3wherein R1represents the same or different aliphatic hydrocarbon radicals containing from 1 to 12 carbon atoms, R2represents an aliphatic hydrocarbon containing from 1 to 8 carbon atoms and x represents a value of from 1 to and including 8; and(2) alkoxyorganosilane of the general formula (II): (II) (R1O)3-Si-R3wherein R1represents the same or different aliphatic hydrocarbon radicals containing from 1 to 12 carbon atoms, and R3represents an unsaturated hydrocarbon containing from 2 to 100 carbon atoms; andwherein said multi-functional groups are exclusive of alkoxyorganomercaptosilanes and alkoxyaminosilanes.
SILICA REINFORCED RUBBER COMPOSITION CONTAINING A MULTIFUNCTIONAL GROUP FUNCTIONALIZED ELASTOMER AND TIRE WITH TREAD
KIESELSÄUREVERSTÄRKTE KAUTSCHUKZUSAMMENSETZUNG MIT EINEM MULTIFUNKTIONALEN GRUPPENFUNKTIONALISIERTEN ELASTOMER UND REIFEN MIT LAUFFLÄCHE
COMPOSITION DE CAOUTCHOUC RENFORCÉE DE SILICE CONTENANT UN ÉLASTOMÈRE FONCTIONNALISÉ D'UN GROUPE MULTIFONCTIONNEL ET PNEU AYANT UNE BANDE DE ROULEMENT
2023-01-11
Patent
Electronic Resource
English
IPC: | C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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