Rubber composition for truck tire

• Main Authors: MARSAT JEAN-NOEL, POMPE MARC, VAESSEN MAURICE S F, ANFANTAKI, KARTHIK I
• Format: Patent
• Language: Chinese; English
• Published: 30.01.2024
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VEHICLE TYRES; VEHICLES IN GENERAL

The present invention relates to a rubber composition for a truck tire. A rubber composition for a truck tire (1) is disclosed. The rubber composition comprises from 70 phr to 95 phr of a polyisoprene; from 5 phr to 30 phr of a solution polymerized styrene butadiene rubber functionalized to couple with silica having a glass transition temperature of less than-40 DEG C; and from 40 phr to 80 phr of a filler comprising predominantly silica. Also disclosed is a truck tire (1) having a tread (10) and having the rubber composition in the radially outermost portion of the tread (10) thereof. 本发明涉及用于载重轮胎的橡胶组合物。公开了一种用于载重轮胎(1)的橡胶组合物。所述橡胶组合物包含70phr至95phr的聚异戊二烯；5phr至30phr的被官能化以与二氧化硅偶联的具有小于-40℃的玻璃化转变温度的溶液聚合苯乙烯丁二烯橡胶；和40phr至80phr的主要包含二氧化硅的填料。还公开了一种载重轮胎(1)，其具有胎面(10)并在其胎面(10)的径向最外部分中具有所述橡胶组合物。