| abstract |
flexible tube with diffusion barrier. in a flexible tube with multilayer structure with unbound layers, which has an internal coating, which contains the following layers: a) at least one layer, the material of which is selected from the group of polyolefin molding compound, polyamide molding compound and polyvinylidene fluoride molding material (pvdf), as well as b) at least one layer, the material of which consists of a polymer based molding material, which is selected from the group of polyarylene-ether-ketone, polyphenylene sulfide , mixture of polyarylene-ether-ketone-polyphenylene sulfide, polyphenylsufone and polyalkylene naphthalate, the external reinforcement is particularly efficient against corrosion due to the aggressive components of the transported medium that diffuse outwards, therefore, the tube it is especially suitable for offshore applications in the transportation of oil or gas. |