Antioxidant composition having good ozone aging resistance, and rubber composition and use thereof

Abstract

An antioxidant composition comprising two or more compounds of formula A, a rubber composition comprising the antioxidant composition, and a method of use of the rubber composition are provided. The structure of the compounds of formula A is as follows: The antioxidant composition significantly improves the static ozone aging resistance and dynamic ozone aging resistance of a tire rubber material, and the other properties thereof such as thermo-oxidative aging resistance can also be kept consistent with existing comprehensive antioxidants.

Dependencies are inferred from the claim text.