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    • 4. 发明申请
    • PROCESS FOR LINING METAL PIPELINES
    • 内衬金属管道的工艺
    • WO2014177392A1
    • 2014-11-06
    • PCT/EP2014/057820
    • 2014-04-16
    • SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
    • MESSINA, Nicasio EdoardoMARTIN, EricEL-HIBRI, Mohammad Jamal
    • B32B15/08B32B27/28B32B1/08F16L58/10F16L9/147F16L55/165
    • F16L58/1036B29C65/70B29C66/612B29C66/742B29K2071/00B29K2995/0058B29L2023/22B32B1/08B32B15/08B32B27/286B32B27/288B32B2270/00B32B2597/00F16L9/147F16L55/165F16L55/1654F16L58/10
    • The present invention pertains to a process for lining a metal pipeline, said process comprising the following steps: (i) processing a thermoplastic polymer composition thereby providing a pipe liner having an outer diameter greater than the inner diameter of said metal pipeline, said thermoplastic polymer composition comprising, preferably consisting of: - at least one poly(aryl ether ketone) polymer [(PAEK) polymer], - at least one poly(phenylene sulfone) polymer [(PPSU) polymer], - optionally, at least one poly(arylene sulfide) [(PAS) polymer], and - optionally, at least one plasticizer; (ii) deforming said pipe liner thereby providing a deformed pipe liner having an outer diameter smaller than the inner diameter of said metal pipeline; (iii) inserting the deformed pipe liner in said metal pipeline; and (iv) expanding the deformed pipe liner to fit with the inner diameter of said metal pipeline. The present invention also relates to a pipeline system comprising at least two coaxial pipes, an outer metal pipeline and inner pipe comprising at least one layer comprising, preferably made of, said thermoplastic polymer composition.
    • 本发明涉及一种用于衬里金属管道的方法,所述方法包括以下步骤:(i)加工热塑性聚合物组合物,从而提供具有大于所述金属管道内径的外径的管衬,所述热塑性聚合物 组合物,优选由以下组成: - 至少一种聚(芳基醚酮)聚合物[(PAEK)聚合物], - 至少一种聚(亚苯基砜)聚合物[(PPSU)聚合物], - 任选地至少一种聚( 亚芳基硫醚)[(PAS)聚合物]和任选的至少一种增塑剂; (ii)使所述管衬导致变形,从而提供具有小于所述金属管道的内径的外径的变形管衬套; (iii)将变形的管衬套插入所述金属管道中; 和(iv)使变形的管衬套膨胀以适应所述金属管道的内径。 本发明还涉及一种管道系统,其包括至少两个同轴管道,外部金属管道和内部管道,其包括至少一个层,优选由所述热塑性聚合物组合物制成。