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US 2026/0286109 A1Published application
Rubber composition for rim strip and pneumatic tire using the same
AssigneeToyo Tire Corporation
InventorMasataka KUMANO
Life of this patent
Estimating the term…
Abstract
A rubber composition for a rim strip according to an embodiment contains: a rubber component containing a tin-modified polybutadiene rubber; silica; carbon black having a nitrogen adsorption specific surface area (N2SA) of 35 m2/g to 100 m2/g; a vulcanization accelerator; and sulfur. The vulcanization accelerator is contained such that a mass ratio of the vulcanization accelerator to the sulfur is 0.40 to 0.60.
Claims8
A rubber composition for a rim strip, comprising:
- a rubber component containing a tin-modified polybutadiene rubber;
- silica;
- carbon black having a nitrogen adsorption specific surface area (N2SA) of 35 m2/g to 100 m2/g;
- a vulcanization accelerator;
- and
- sulfur, wherein
- a mass ratio of the vulcanization accelerator to the sulfur is 0.40 to 0.60.
4 more elements
Dependencies are inferred from the claim text.