A reclaimed rubber-containing rubber composition comprising a reclaimed rubber, wherein the reclaimed rubber contains carbon black having a specific surface area based on BET method of 100 to 120 m2/g and has a gel fraction of 75% or less. The reclaimed rubber is preferably a reclaimed rubber powder having an average particle diameter d70 of 100 μm or less and an average particle diameter d90 of 150 μm or less. The reclaimed rubber-containing rubber composition preferably contains 1 to 10 parts by mass of the reclaimed rubber when a total amount of a rubber component is taken as 100 parts by mass. The reclaimed rubber is preferably derived from a tire tread.
RECLAIMED RUBBER-CONTAINING RUBBER COMPOSITION AND PNEUMATIC TIRE
2025-01-23
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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