An object of the present disclosure is to provide a rubber composition possessing both satisfactory low exothermic property and satisfactory durability in adhesion to metal, crack resistance, and the like in a compatible manner. Specifically, a rubber composition comprises: a rubber component; N-cyclohexyl-2-benzothiazolylsulfenamide; a nitrogenous cyclic compound having no benzene ring; a cobalt compound containing no boron; and silica, wherein a content of the nitrogenous cyclic compound is 0.4 parts by mass or less with respect to 100 parts by mass of the rubber component, and a mass ratio (Co/N) of the cobalt content (Co) in the cobalt compound with respect to the nitrogen content (N) in the nitrogenous cyclic compound is in the range of 1.2 to 7.0.
RUBBER COMPOSITION, METAL/RUBBER COMPOSITE, AND TIRE
KAUTSCHUKZUSAMMENSETZUNG, METALL-/KAUTSCHUKVERBUND UND REIFEN
COMPOSITION DE CAOUTCHOUC, COMPOSITE METAL/CAOUTCHOUC, ET PNEU
2021-07-21
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 |
European Patent Office | 2022
|European Patent Office | 2022
|RUBBER COMPOSITION, RUBBER-METAL COMPOSITE, TIRE, HOSE, AND CRAWLER
European Patent Office | 2024
|