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Articles with an external rubber mixture containing lanthanide salts, in particular pneumatic tires
Articles with an external rubber mixture containing lanthanide salts, in particular pneumatic tires
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机译:具有包含镧系元素盐的外部橡胶混合物的物品,尤其是充气轮胎
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摘要
This invention relates to an article, in particular a pneumatic tire for a vehicle, comprising at least one external rubber mixture, in particular a tread, said external mixture comprising a rubber mixture consisting of at least one diene elastomer such as BR, SBR or NR, a reinforcing filler such as silica, a crosslinking system such as a vulcanization system, between 0.2 and 10 pce of an antioxidant, for example a substituted paraphenylenediamine, and between 0.2 and 10 pce of a lanthanide acetylacetonate such as a neodymium actylacetonate. The latter makes it possible to advantageously reduce the consumption of antioxidant during the thermal oxidizing aging of the composition and hence of the external mixture.
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