Process for preparing a polyolefin pipe having inherent resistance to thermooxidative degradation
    10.
    发明申请
    Process for preparing a polyolefin pipe having inherent resistance to thermooxidative degradation 审中-公开
    制备具有固有抗热氧化降解性的聚烯烃管的方法

    公开(公告)号:US20120189772A1

    公开(公告)日:2012-07-26

    申请号:US13436287

    申请日:2012-03-30

    申请人: Heinz Vogt

    发明人: Heinz Vogt

    IPC分类号: B05D5/00 B05D7/22

    摘要: A process for producing a pipe having improved resistance to thermooxidative degradation, the process comprising melting a polyolefinic molding composition in an extruder, extruding the molten molding composition through an annular die and subsequently cooling it, wherein the inner surface of the pipe is exposed to the action of a halogen-comprising treatment gas before or after cooling.

    摘要翻译: 一种制造具有改善的抗热氧化降解性的管道的方法,该方法包括在挤出机中熔化聚烯烃模制组合物,通过环形模头挤出熔融的模制组合物,随后冷却,其中管的内表面暴露于 在冷却之前或之后的含卤素处理气体的作用。