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Aluminum alloy chemical polishing liquid and polishing method thereof

A chemical polishing and aluminum alloy technology, which is applied in the field of metal surface treatment, can solve the problems such as poor polishing quality of aluminum alloy surface, and achieve the effect of good gloss, convenient use, and no different-colored snowflakes

Pending Publication Date: 2019-09-10
周兆梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of aluminum alloy chemical polishing solution, which mainly solves the problem of poor polishing quality of the polishing solution on the surface of aluminum alloy in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of aluminum alloy chemical polishing liquid, is made from following raw material:

[0035] Phosphoric acid (85%) 110mL

[0036] Glacial acetic acid 85mL

[0037] 2-Methylimidazole 3.5g

[0038] Potassium persulfate 2g

[0039] Tetramethyltetravinylcyclotetrasiloxane 0.75g

[0040] Di-o-tolylthiourea 0.8g

[0041] Polyethylene Glycol-4000 80g

[0042] Water 1000g.

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PUM

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Abstract

The invention discloses aluminum alloy chemical polishing liquid. The aluminum alloy chemical polishing liquid is prepared by the following raw materials: 100-120 mL of phosphoric acid, 80-90 mL of glacial acetic acid, 3-4 g of 2-methylimidazole, 1-3 g of potassium peroxodisulfate, 0.5-1 g of tetramethyltetravinyl cyclotetrasiloxane, 0.5-1 g of dio-methylphenyl thiourea, 50-100 g of polyethylene glycol-4000, and 1000 g of water; and the mass percentage concentration of the phosphoric acid is 85%. Compared with the prior art, the aluminum alloy chemical polishing liquid has the advantages of environmental protection, no yellow smoke, good glossiness, uniform surface appearance, no special color, no snowflake, no excessive corrosion and convenience to use.

Description

technical field [0001] The invention belongs to the field of metal surface treatment, and in particular relates to an aluminum alloy chemical polishing liquid and a polishing method thereof. Background technique [0002] Chemical polishing is a method that relies on the chemical etching of chemical reagents to selectively dissolve the uneven areas of the sample surface to eliminate wear marks and etch leveling. The chemical polishing equipment is simple and can handle thin tubes, parts with deep holes and complex shapes, and has high production efficiency. Chemical polishing can be used as a pretreatment process for electroplating, or it can be used directly after polishing with necessary protective measures. [0003] Due to their special properties, aluminum and aluminum alloy products are widely used and occupy an extremely important position in the hardware market. Aluminum products must be polished in surface treatment, which not only makes the appearance of aluminum pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F3/03
CPCC23F3/03
Inventor 周兆梅
Owner 周兆梅
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