Aluminum alloy polishing solution and preparation method thereof
A technology of polishing liquid and aluminum alloy, which is applied in the field of metal polishing liquid, can solve the problems of short service time and poor polishing effect, and achieve the effects of ensuring uniformity, improving smoothness, and long service life
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[0025] The present invention also provides a method for preparing the above aluminum alloy polishing liquid, which is based on the above ratio: silica sol 30%-50%, complexing agent 0.5%-3%, surfactant 0.02%-0.1%, corrosion inhibitor 0.05%-0.5%, and brightener 0.5-2%, the rest is water; the particle size of the silica sol is 80-140 nanometers, and the concentration is 30%-50%. To select each component, use at least the following steps:
[0026] a. Add the surfactant to the silica sol, and stir evenly;
[0027] b. Add the complexing agent to the mixture obtained in step a, and stir evenly;
[0028] c. Add the corrosion inhibitor to the mixture obtained in step b, and stir evenly;
[0029] d. Add a brightener to the mixture obtained in step c, stir it evenly, and perform circulating filtration with a filter to obtain the silicon oxide polishing liquid.
[0030] Further, with regard to the limitation of step d of the method for preparing aluminum alloy polishing liquid in the present inven...
Example Embodiment
[0032] Example one
[0033] An aluminum alloy polishing liquid, which includes the following components: 30% silica sol, 0.5% complexing agent, 0.02% surfactant, 0.05% corrosion inhibitor, and 0.5% brightener, the rest being Water; The particle size of the silica sol is 80 nanometers and the concentration is 30%.
[0034] Further, the aluminum alloy polishing liquid in the present invention, as a further limitation on the complexing agent, includes hexamethylene diamine, trihexanolamine, and disodium ethylene diamine tetraacetate. One or more mixtures.
[0035] Further, the aluminum alloy polishing liquid in the present invention, as another optional limitation on the complexing agent therein, the complexing agent adopts one or more mixtures including glycine and citric acid.
[0036] Further, the aluminum alloy polishing liquid in the present invention, as a further limitation on the surfactant therein, the surfactant used includes sodium dodecylbenzene sulfonate, fatty alcohol poly...
Example Embodiment
[0039] Embodiment two
[0040] An aluminum alloy polishing liquid, the aluminum alloy polishing liquid includes the following components: silica sol 35%, complexing agent 1.5%, surfactant 0.05%, corrosion inhibitor 0.2%, and brightener 0.8%, the rest is Water; The particle size of the silica sol is 90 nanometers and the concentration is 35%.
[0041] Further, the aluminum alloy polishing liquid in the present invention, as a further limitation on the complexing agent, includes hexamethylene diamine, trihexanolamine, and disodium ethylene diamine tetraacetate. One or more mixtures.
[0042] Further, the aluminum alloy polishing liquid in the present invention, as another optional limitation on the complexing agent therein, the complexing agent adopts one or more mixtures including glycine and citric acid.
[0043] Further, the aluminum alloy polishing liquid in the present invention, as a further limitation on the surfactant therein, the surfactant used includes sodium dodecylbenzene ...
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