Aluminium alloy complex, preparation method thereof and lithium ion battery cover board
An aluminum alloy and composite technology, applied in the field of structures formed by the integration of aluminum alloy and thermoplastic resin, can solve the problems of poor sealing performance, recycling, low tensile strength, etc., and achieve the purpose of maintaining sealing performance and bonding The effect of high strength and good sealing performance
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[0029] The present invention also provides a method for preparing an aluminum alloy composite, comprising the following steps:
[0030] 1) contacting the pretreated aluminum alloy substrate with a coupling agent solution, and drying;
[0031] 2) mixing the polyphenylene sulfide and the reaction resin evenly, extruding and granulating to obtain a resin composition;
[0032] 3) placing the aluminum alloy base material with a coupling agent layer obtained in step 1) in a mold, and performing integrated treatment with the resin composition obtained in step 2) to obtain an aluminum alloy composite;
[0033] Wherein, the reactive resin contains a polar reactive group, and the polar reactive group is at least one of a maleic anhydride group, a succinic anhydride group, a glycidyl methacrylate group and an oxazoline group kind.
[0034] The pretreatment is a pretreatment process commonly used by those skilled in the art on the surface of aluminum alloys. For example, it may be: firs...
Embodiment 1
[0055] This example is used to illustrate the aluminum alloy composite provided by the present invention and its preparation method.
[0056] (1) Surface treatment of aluminum alloy:
[0057] a. Commercially available aluminum alloy plates, sliced and pressed into rectangular aluminum alloy sheets of 15cm×1cm×0.2cm, polished the surface of the aluminum alloy sheet with 300-mesh sandpaper for 2 minutes; then put the polished aluminum alloy sheet into ethanol, Ultrasonic cleaning in acetone or detergent solution for 30 minutes, after taking it out, rinse the surface with running water; transfer the cleaned aluminum alloy to 0.2mol / L NaOH solution for 5 minutes, and rinse the surface with running water and deionized water after completion Then transfer to 0.1mol / L hydrochloric acid solution for ultrasonic treatment for 2 minutes, after the treatment is completed, rinse with flowing deionized water to obtain a pretreated aluminum alloy sheet;
[0058] b. Soak the above-mentione...
Embodiment 2-5
[0064] The following examples are used to illustrate the aluminum alloy composite provided by the present invention and its preparation method.
[0065] The aluminum alloy composite was prepared by the same method as in Example 1, except that the components of the resin composition were different, see Table 1 for details. The obtained aluminum alloy composites are designated as A2-A5, respectively.
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