ELASTOMER COMPOSITION MADE FROM A THERMOPLASTIC COPOLYMER, INFLATABLE OBJECT PROVIDED WITH A GAS BARRIER MADE FROM SUCH A COMPOSITION

摘要

Elastomer composition comprising at least, as predominant elastomer, a thermoplastic SIBS elastomer comprising a“polyisobutylene”block and, at least one of the ends of the“polyisobutylene”block, a thermoplastic block of specific structure having a Tg greater than or equal to 100° C. The elastomer composition according to the invention may be used as an elastomer layer impermeable to the inflation gases in an inflatable object. This inflatable object is, in particular, an inner tube or a pneumatic tyre for a motor vehicle.