Compagnie Generale Des Etablissements Michelin

Michelin Recherche Et Technique S.a.

Kazumi Makiuchi

Salvatore Pagano

Jean-Luc Cabioch

Nathalie Salgues

Rubber composition which can be used in particular for the manufacture of tires, comprising at least a diene elastomer, a reinforcing filler, a crosslinking system, between 0.2 and 10 phr of an antioxidant, such as a substituted para-phenylenediamine, and between 0.2 and 10 phr of an acetylacetonate of an alkali metal or alkaline earth metal, chosen in particular from the group consisting of Li, Na, K, Mg, Ca and the mixtures of such metals. This acetylacetonate compound makes it possible to advantageously reduce the consumption of antioxidant during the thermo-oxidizing ageing of the composition. Metal/rubber composite comprising such a composition and at least a metal reinforcement. Tire comprising a such composition or such a composite.

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Mie, Japan

Kazumi Makiuchi