Method of preparing aluminum alloy resin composite and aluminum alloy-resin composite obtainable by the same
AssigneesShenzhen BYD Auto R&D Company Limited, BYD Company Limited
InventorsJian Sun, Yanqin Wu, Qiang Guo, Liang Chen
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Abstract
A method of preparing aluminum alloy-resin composite and an aluminum alloy-resin composite obtained by the same are provided. of the method comprises: S1: anodizing a surface of an aluminum alloy substrate to form an oxide layer on the surface, the oxide layer including nanopores; S2: immersing the resulting aluminum alloy substrate obtained in step S1 in a buffer solution having a pH of about 10 to about 13, to form a corrosion pores on an outer surface of the oxide layer; and S3: injection molding a resin onto the surface of the resulting aluminum alloy substrate obtained in step S2 in a mold to obtain the aluminum alloy-resin composite.
Claims19
A method of preparing an aluminum alloy-resin composite, comprising:
- S1:
- anodizing a surface of an aluminum alloy substrate to form an oxide layer on the surface, the oxide layer including nanopores;
- S2:
- immersing the resulting aluminum alloy substrate obtained at step S1 in a buffer solution having a pH of about 10 to about 13, to form corrosion pores on an outer surface of the oxide layer and form a double-layer pore structure including the corrosion pores and the nanopores, wherein the corrosion pores have a larger diameter than the nanopores, the corrosion pores have an average diameter of about 200 nm to about 2000 nm, and the corrosion pores are in communication with the nanopores;
- and
- S3:
- injection molding a resin onto the surface of the resulting aluminum alloy substrate obtained in step S2 in a mold to obtain the aluminum alloy-resin composite.
A method of preparing an aluminum alloy-resin composite, comprising:
- S1:
- anodizing a surface of an aluminum alloy substrate to form an oxide layer on the surface, the oxide layer including nanopores;
- S2:
- immersing the resulting aluminum alloy substrate obtained at step S1 in a buffer solution having a pH of about 10 to about 13, to form corrosion pores on an outer surface of the oxide layer and form a double-layer pore structure including the corrosion pores and the nanopores, the corrosion pores being wherein the corrosion pores have a larger diameter than the nanopores;
- and
- S3:
- injection molding a resin onto the surface of the resulting aluminum alloy substrate obtained in step S2 in a mold to obtain the aluminum alloy-resin composite,
- wherein the buffer solution comprises a soluble alkali and a soluble dihydrogen phosphate.
A method of preparing an aluminum alloy-resin composite, comprising:
- S1:
- anodizing a surface of an aluminum alloy substrate to form an oxide layer on the surface, the oxide layer including nanopores;
- S2:
- immersing the resulting aluminum alloy substrate obtained at step S1 in a buffer solution having a pH of about 10 to about 13, to form corrosion pores on an outer surface of the oxide layer and form a double-layer pore structure including the corrosion pores and the nanopores, the corrosion pores being in communication with the nanopores, wherein the corrosion pores have an average diameter of about 200 nm and the corrosion pores have a larger diameter than the nanopores;
- and
- S3:
- injection molding a resin onto the surface of the resulting aluminum alloy substrate obtained in step S2 in a mold to obtain the aluminum alloy-resin composite,
- wherein the resin is a thermoplastic resin, and
- wherein the thermoplastic resin includes a main resin and a polyolefin resin.
Dependencies are inferred from the claim text.