INTERNAL REINFORCED PNEUMATIC INTERNAL LAYER COMPRISING AN ELASTOMERIC MATRIX BASED ON A BLOCK COPOLYMER COMPRISING AN ELASTOMERIC BLOCK WITH ISOBUTYLENE AND HALOGENOALKYLSTYRENE UNITS

摘要

The invention relates to an airtight inner layer for a tire based on a rubber composition comprising: an elastomeric matrix comprising at least 50 phr of a block copolymer comprising at least one thermoplastic block comprising at least units derived from a or a plurality of styrene monomers and at least one elastomeric block in the form of a random copolymer comprising at least units derived from isobutylene and units derived from one or more haloalkyl styrene monomers, - a sulfur-based crosslinking system . The invention also relates to a tire comprising the sealed inner layer.