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    • 81. 发明申请
    • Extruded, injection-molded, or blow-molded plastic pipe or fitting for pipelines
    • 挤出,注塑或吹塑塑料管或管道接头
    • US20010031324A1
    • 2001-10-18
    • US09827706
    • 2001-04-06
    • Gerhard Rosenberg
    • B32B001/08
    • B32B1/08B32B27/08B32B27/20B32B27/32B32B2323/10C08K3/40C08K5/541C08K7/14C08K7/20C08L23/14F16L9/121Y10T428/1321Y10T428/1393
    • An extruded, injection-molded or blow-molded plastic member for pipelines used for transporting liquid, pasty, and gaseous media has a tubular body with an outer layer, an intermediate layer, and an inner layer, wherein the inner layer is in contact with a medium to be transported. The inner layer and the outer layer are made of a basic material and the intermediate layer is made of a basic material and an additional material. The basic material of the inner layer and of the intermediate layer is a polymer material having amorphous areas. Additives against aggressive media are embedded in the amorphous areas of the polymer material of at least one of the inner layer and the intermediate layer. The additional material in the intermediate layer is a barrier material embedded in the amorphous areas of the polymer material of the intermediate layer for reducing additive migration.
    • 用于输送液体,糊状和气体介质的管道的挤出,注塑或吹塑塑料构件具有带有外层,中间层和内层的管状体,其中内层与 要运输的媒介。 内层和外层由基材制成,中间层由基材和附加材料制成。 内层和中间层的基本材料是具有无定形区域的聚合物材料。 对侵蚀性介质的添加剂嵌入在内层和中间层中的至少一层的聚合物材料的无定形区域中。 中间层中的附加材料是嵌入中间层的聚合物材料的无定形区域中的阻挡材料,用于减少添加剂迁移。