A rubber composition based on at least a reinforcing filler, a crosslinking system, a plasticizing system and an elastomer matrix is provided. The elastomer matrix includes at least one modified diene elastomer comprising within its structure at least one alkoxysilane group, which is optionally partially or totally hydrolysed to silanol, bonded to the elastomer by the silicon atom. The alkoxysilane group optionally bears another function bonded to the silicon atom directly or by means of a spacer group. The modified diene elastomer is such that, before modification, the diene elastomer has a polydispersity index of at least 1.1 and at most 1.6, and has a Mooney viscosity ranging from 50 to 80 and a glass transition temperature (Tg) of strictly less than −50° C., preferably less than or equal to −60° C., and greater than or equal to −110° C.
COMPOSITION DE CAOUTCHOUC COMPRENANT UN ÉLASTOMÈRE DIÉNIQUE MODIFIÉ
RUBBER COMPOSITION COMPRISING A MODIFIED DIENE ELASTOMER
KAUTSCHUKZUSAMMENSETZUNG MIT EINEM MODIFIZIERTEN DIENELASTOMER
2021-02-24
Patent
Electronic Resource
French
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