The side-reinforcing rubber for run-flat tires of the present invention is a side-reinforcing rubber for run-flat tires, including a vulcanized rubber which is formed of a rubber composition containing a rubber component containing a dienic rubber, a vulcanizing agent, and a carbon black having a dibutyl phthalate oil absorption of 120 mL/100 g or more, and has a specific surface area according to a nitrogen adsorption method of 20 to 80 m2/g, with a ratio of an Sx bond (where x is 3 or more) to all sulfide bonds in the side-reinforcing rubber for run-flat tires being 40% or less. The side-reinforcing rubber for run-flat tires is excellent in durability life.
SIDE-REINFORCING RUBBER FOR RUN-FLAT TIRE AND RUN-FLAT TIRE
2020-04-09
Patent
Electronic Resource
English
SIDE-REINFORCING RUBBER FOR RUN-FLAT TIRE AND RUN-FLAT TIRE
European Patent Office | 2025
|SIDE-REINFORCING RUBBER FOR RUN-FLAT TIRE AND RUN-FLAT TIRE
European Patent Office | 2018
|Side-reinforcing rubber for run-flat tire and run-flat tire
European Patent Office | 2021
|European Patent Office | 2019
|European Patent Office | 2021
|