EXTERNAL OFFSHORE FLEXIBLE SHEATH COMPRISING AT LEAST ONE BLOCK COPOLYMER

摘要

The invention relates to an outer sheath of offshore hose comprising at least one block copolymer comprising at least one polyamide rigid block and at least one flexible block. The invention particularly relates to a flexible tubular conduit for the transport of fluids in the field of offshore oil exploitation, characterized in that it comprises at least one such outer sheath. The invention also relates to the use of a block copolymer comprising at least one polyamide rigid block and at least one flexible block, for the manufacture of a part that is both resistant to hydrolysis and permeable to CO2, characterized in that what the flexible block has amine chain ends.