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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

Inactive Publication Date: 2016-09-28
深圳市佳欣纳米科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide an aluminum alloy polishing solution with good polishing efficiency and long recycling time and its preparation process, aiming to solve the problems of poor polishing effect and short use time of traditional aluminum alloy polishing solutions

Method used

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  • Aluminum alloy polishing solution and preparation method thereof

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[0025] The present invention also provides a method for preparing the above-mentioned aluminum alloy polishing solution, which comprises the following proportions: 30%-50% of silica sol, 0.5%-3% of complexing agent, 0.02%-0.1% of surfactant, corrosion inhibitor 0.05%-0.5%, and brightener 0.5-2%, and the rest is water; the particle diameter of the silica sol is 80-140 nanometers, and the concentration is 30%-50%. Take each component and adopt at least the following steps:

[0026] a, add described surfactant in described silica sol, stir evenly;

[0027] B, add described complexing agent in the mixture obtained in step a, stir;

[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 evenly, and perform circulation filtration with a filter to obtain the silicon oxide polishing solution.

[0030] Further, for the limitation of step d of the above-mentioned preparation method...

Embodiment 1

[0033] An aluminum alloy polishing solution, the aluminum alloy polishing solution comprises the following components: 30% of silica sol, 0.5% of complexing agent, 0.02% of surfactant, 0.05% of corrosion inhibitor, and 0.5% of brightener, and the rest is Water; the particle diameter 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, the complexing agent adopts hexamethylenediamine, trihexanolamine, disodium edetate A mixture of one or more.

[0035] Further, the aluminum alloy polishing liquid in the present invention, as another optional limitation on the complexing agent therein, the complexing agent adopts a mixture of one or more including glycine and citric acid.

[0036] Further, the aluminum alloy polishing liquid in the present invention, as a further definition of the surfactant, the surfactant includes sodium dodecylbenzenes...

Embodiment 2

[0040]An aluminum alloy polishing solution, the aluminum alloy polishing solution comprises the following components: 35% of silica sol, 1.5% of complexing agent, 0.05% of surfactant, 0.2% of corrosion inhibitor, and 0.8% of brightener, and 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 to the complexing agent therein, the complexing agent adopts hexamethylenediamine, trihexanolamine, disodium edetate A mixture of one or more.

[0042] Further, the aluminum alloy polishing liquid in the present invention, as another optional definition of the complexing agent, uses a mixture of one or more of the complexing agents including glycine and citric acid.

[0043] Further, the aluminum alloy polishing liquid in the present invention, as a further definition of the surfactant, the surfactant includes sodium dodecylbenzenesulfo...

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Abstract

The invention discloses an aluminum alloy polishing solution and a preparation method thereof. The aluminum alloy polishing solution comprises 30%-50% of silicon sol, 0.5%-3% of a complexing agent, 0.02%-0.1% of a surfactant, 0.05%-0.5% of an inhibitor, 0.5%-2% of a brightener and the balance water. The particle size of the silicon sol is 80-140 nanometers, and the concentration of the silicon sol is 30%-50%. The invention further provides the preparation method of the aluminum alloy polishing solution. The preparation method comprises the steps that all the components and substances are taken, and the complexing agent, the surfactant, the inhibitor and the brightener are sequentially added into the silicon sol in proportion. According to the obtained aluminum alloy polishing solution, a protective film can be formed on the surface of aluminum alloy in the polishing process; the complexing agent with a buffer function is used, and thus the effect that the PH value of the solution is between nine and ten is ensured; the polishing function of the polishing solution is optimally played; the polishing effect is good; and the cycle use time is longer and is one to two times of that of a traditional aluminum alloy polishing solution.

Description

technical field [0001] The invention relates to the field of a metal polishing liquid, in particular to an aluminum alloy polishing liquid and a preparation method thereof. Background technique [0002] Due to its excellent performance, aluminum alloy materials have been widely used in the fields of national defense, aviation, aerospace, chemical industry, electronics and machinery manufacturing. Therefore, with the mobile phone casing, notebook computer casing, electronic equipment, mechanical equipment, With the development of automobile and precision parts-related industries, the demand for aluminum alloy materials is increasing, and it has a wide range of application prospects. It is known as the green engineering metal in the 20th century. With the wide application of aluminum alloy materials, the requirements for surface brightness are becoming more and more stringent, which puts forward higher requirements for the performance of aluminum alloy polishing fluid in all a...

Claims

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Application Information

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IPC IPC(8): C23F3/02
CPCC23F3/02
Inventor 陈杏辉
Owner 深圳市佳欣纳米科技有限公司
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