| 摘要 |
An element of a line system of a fuel cell, wherein the portion which is in contact with the conveyed fluid is composed of a polyester molding composition, and, furthermore, there is at least one other layer present, which has been selected from a) a layer II composed of a polyamide molding composition, b) a layer III composed of a molding composition composed of a functionalize d polyolefin, c) a layer IV composed of a polyolefin molding composition in which the polyolefin has not been functionalized, and also d) a layer V composed of an EVOH molding composition, can be produced at low cost, has good barrier action with respect to the conveyed fluid, and emits no, or only extremely small amounts of, components which polarize or poison the catalyst. |
