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    • 3. 发明申请
    • INTERPENETRATING POLYMER NETWORK AS COATING FOR METAL SUBSTRATE AND METHOD THEREFOR
    • 插入式聚合物网络作为金属基材的涂层及其方法
    • WO2007022031A2
    • 2007-02-22
    • PCT/US2006/031543
    • 2006-08-11
    • 3M INNOVATIVE PROPERTIES COMPANY
    • PEREZ, Mario, A.WOOD, Thomas, L.ATTAGUILE, Salvatore, M.
    • C09D123/00
    • C09D123/10C08L51/06C08L63/00C08L2666/02
    • A coated article and method therefor comprises a metal substrate comprising a layered coating composition on at least one surface thereof, the coating composition comprising a layer of epoxy on one or more of the surfaces of the substrate. The coating composition further comprises an overcoat layer comprising a combination of polyolefin and epoxy resins, the overcoat layer optionally being free of added epoxy curative. The article can be a pipe, vessel, conduit, rod, profile-shaped article, or tube. A preferred overcoat layer comprises a semi- or full- epoxy/polyolefin interpenetrating polymer network (IPN). In another embodiment, the coated article comprises a polyolefin/epoxy layer that is directly coated on at least one surface of a metal substrate, the polyolefin/epoxy coating being overcoated with a thermoplastic top coating, the coated article being free of added adhesive. The metal article preferably is a pipe, vessel, conduit, rod, profile shaped article or tube.
    • 涂覆制品及其制备方法包括金属基材,所述金属基材在其至少一个表面上包含层状涂料组合物,所述涂料组合物在基材的一个或多个表面上包含环氧树脂层。 该涂料组合物进一步包含包含聚烯烃和环氧树脂的组合的外涂层,外涂层任选地不含添加的环氧固化剂。 该物品可以是管道,容器,导管,杆,轮廓形状的物品或管。 优选的外涂层包含半或全环氧/聚烯烃互穿聚合物网络(IPN)。 在另一个实施方案中,涂覆制品包含直接涂覆在金属基材的至少一个表面上的聚烯烃/环氧树脂层,聚烯烃/环氧树脂涂层用热塑性顶涂层涂覆,涂覆制品不含添加的粘合剂。 金属制品最好是管子,容器,导管,棒,型材制品或管子。