The present invention is directed to a vulcanizable rubber composition comprising, based on parts by weight per 100 parts by weight elastomer (phr): 100 phr of at least one diene-based elastomer; from 1 to 80 phr of carbon black; from 40 to 120 phr of silica; from 1 to 20 parts by weight of a sulfur-containing organosilane per 100 parts by weight of the silica; from 0.1 to 10 phr of a tetrazine compound of formula 1where X1 and X2 each represent a heterocyclic group; and from 0.5 to 10 phr of a zinc complex compound of formula 2where R1 and R2 are independently selected from the group consisting of hydrogen atoms, alkyl groups, alkylene groups, hydroxyl-substituted alkyl or alkylene groups, amine-substituted alkyl or alkylene groups, and thiol-substituted alkyl or alkylene groups.
PNEUMATIC TIRE AND RUBBER COMPOSITION INCLUDING TETRAZINE MODIFIED ELASTOMER AND ZINC COMPLEX COMPOUND
2021-12-16
Patent
Electronic Resource
English
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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