| 摘要 |
A rubber composition based on at least a diene elastomer, a reinforcing filler and a siloxane polysulfide of the general formula (I) below: in which: the number x, which may be an integer or a fractional number, is equal to or greater than 2; the radicals Z, which may be identical or different, are divalent bond groups; the radicals R, which may be identical or different, are hydrocarbon groups. The invention also concerns a process for preparing a rubber composition having an improved reversion resistance, a finished article intended for a suspension system of an automotive vehicle, in particular a tire.
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