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US 9,518,173 B2Granted
Tire rubber composition and pneumatic tire
AssigneeSumitomo Rubber Industries, Ltd.
InventorToshio Tada
Life of this patent
Estimating the term…
Abstract
The present invention provides a tire rubber composition that makes it possible to suppress discoloration of tires, and a pneumatic tire formed from the rubber composition. The present invention relates to a tire rubber composition containing a bluing agent.
Claims8
A tire rubber composition comprising a rubber component, a bluing agent and carbon black,
- wherein the bluing agent is at least one member selected from the group consisting of inorganic dyes and pigments, and
- wherein the carbon black is present in an amount of 10 to 150 parts by mass, per 100 parts by mass of the rubber component in the tire rubber composition.
A tire rubber composition which suppresses the discoloration of tires and does not degrade the performance of the flex crack growth resistance of the tires, which comprises a rubber component, a bluing agent and carbon black,
- wherein the bluing agent is at least one member selected from the group consisting of inorganic dyes and pigments, and
- wherein the carbon black is present in an amount of 10 to 150 parts by mass, per 100 parts by mass of the rubber component in the tire rubber composition.
Dependencies are inferred from the claim text.