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公开(公告)号：US11560641B2
公开(公告)日：2023-01-24
申请号：US15751409
申请日：2016-08-08
申请人： UACJ CORPORATION
摘要： The present disclosure provides a surface-treated aluminum material having excellent adhesiveness to resins, on the surface of which an oxide film is formed, the oxide film comprising a surface-side porous aluminum oxide film having a thickness of 20 to 500 nm and a base-side barrier aluminum oxide film having a thickness of 3 to 30 nm, wherein small pores each having a diameter of 5 to 30 nm are formed on the porous aluminum oxide film, and the length of cracks formed in a boundary between the porous aluminum oxide film and the barrier aluminum oxide film is not more than 50% of the length of the boundary, a method for manufacturing the surface-treated aluminum material, and a surface-treated aluminum material-resin bonded body, comprising the surface-treated aluminum material and a resin that covers the surface of the oxide film formed thereon.
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公开(公告)号：US20180230618A1
公开(公告)日：2018-08-16
申请号：US15751409
申请日：2016-08-08
申请人： UACJ CORPORATION
CPC分类号： C25D11/06 , C25D11/024 , C25D11/18 , C25D11/24
摘要： The present disclosure provides a surface-treated aluminum material having excellent adhesiveness to resins, on the surface of which an oxide film is formed, the oxide film comprising a surface-side porous aluminum oxide film having a thickness of 20 to 500 nm and a base-side barrier aluminum oxide film having a thickness of 3 to 30 nm, wherein small pores each having a diameter of 5 to 30 nm are formed on the porous aluminum oxide film, and the length of cracks formed in a boundary between the porous aluminum oxide film and the barrier aluminum oxide film is not more than 50% of the length of the boundary, a method for manufacturing the surface-treated aluminum material, and a surface-treated aluminum material-resin bonded body, comprising the surface-treated aluminum material and a resin that covers the surface of the oxide film formed thereon.
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