The present invention is directed to a rubber composition comprising a solution polymerized styrene-butadiene rubber having a bound styrene content of at least 36 percent by weight and a vinyl 1,2 content of less than 25 percent by weight; optionally, at least one additional diene based rubber; silica; a sulfur donor; a sulfenamide accelerator; at least one secondary accelerator selected from the group consisting of guanidines, dithiocarbamates and thiurams; and an ±,É-bis(N,N'-dihydrocarbylthiocarbamamoyldithio)alkane; wherein the zinc content of the rubber composition is less than 0.5 parts by weight, per 100 parts by weight of elastomer (phr) as Zn metal. The invention is also directed to a tire comprising this rubber composition.
Rubber composition and pneumatic tire with low zinc content
Kautschukzusammensetzung und Luftreifen mit niedrigem Zinkgehalt
Composition de caoutchouc et pneu avec contenu à faible teneur en zinc
2016-08-03
Patent
Elektronische Ressource
Englisch
IPC: | C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE
Europäisches Patentamt | 2016
|