| abstract |
The invention relates to a tyre provided with an outer sidewall having improved sealing, said outer sidewall comprising at least one rubber composition containing at least one or more diene elastomers, the total content thereof being between 1 and 99 pph (parts per hundred parts of elastomer), one or more thermoplastic elastomers including a polyisobutylene block, the total content thereof being between 1 and 99 pph, optionally between 0 and 120 pph of a reinforcing filler, and a cross-linking system. |