OBJET PNEUMATIQUE POURVU D'UNE COUCHE ETANCHE AUX GAZ A BASE D'UN MELANGE D'UN ELASTOMERE THERMOPLASTIQUE ET D'UN CAOUTCHOUC BUTYL PARTIELLEMENT RETICULE

摘要

An inflatable article is provided with an elastomer layer that is airtight to inflation gases used to inflate the article. The elastomer layer includes at least one blend of a thermoplastic elastomer in a proportion A and a partially crosslinked butyl rubber in a proportion B. The ratio A/B varies in a range between 1 and 20, with A and B being expressed by weight. The thermoplastic elastomer includes a polyisobutylene block.