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Polishing agent, aluminum profile and polishing treatment method of aluminum profile

A processing method and polishing agent technology, applied in the field of polishing agent, aluminum profiles and their polishing treatment, can solve the problems of large gas volatilization, high energy consumption, easy cracks and abrasions, etc., and achieve low use cost and high light reflectivity High, easy-to-operate effect

Inactive Publication Date: 2021-04-27
SHENZHEN HENGZHAOZHI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional polishing agents generally use mechanical polishing or tri-acid polishing, in which mechanical polishing has a poor polishing effect on workpieces with complex geometric shapes, and is prone to cracks and scratches
The three acids in three-acid polishing, namely concentrated nitric acid, concentrated sulfuric acid, and concentrated phosphoric acid, react violently under high temperature conditions, and the gas volatilizes greatly, which will produce a large amount of NO X Gas, unsafe, highly harmful to the environment, and consumes a lot of energy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Mix the components according to the following parts by weight (the total amount is 100 parts by weight): 3 parts of nitric acid, 0.005 part of lanthanum sulfate, 5 parts of sulfuric acid, 20 parts of phosphoric acid, 5 parts of sorbitol, 1 part of nickel nitrate and the balance of water.

[0026] Treatment method: prepare a polishing agent; degrease and descale the aluminum profile in advance, then wash it with water, and then immerse the workpiece with a clean surface in the polishing agent solution at 85°C, wash it with water after 3 minutes, and dry it.

[0027] After being treated with the above polishing agent solution, observe the surface of the workpiece, the entire surface is clean and bright, with consistent color, no spots, white fog, pitting and other abnormalities. The specular reflectance is above 40%.

Embodiment 2

[0029] Mix the components according to the following parts by weight (the total amount is 100 parts by weight): 5 parts of nitric acid, 0.01 part of lanthanum sulfate, 7 parts of sulfuric acid, 30 parts of phosphoric acid, 7 parts of sorbitol, 2 parts of nickel nitrate and the balance of water.

[0030] Treatment method: prepare a good polishing agent; degrease and descale the aluminum profile in advance, then wash it with water, then immerse the workpiece with a clean surface in the polishing agent solution at 85°C, wash it with water after 2 minutes, and dry it.

[0031] After being treated with the above polishing agent solution, observe the surface of the workpiece, the entire surface is clean and bright, with consistent color, no spots, white fog, pitting and other abnormalities. The specular reflectance is above 50%.

Embodiment 3

[0033] Mix the components according to the following parts by weight (the total amount is 100 parts by weight): 8 parts of nitric acid, 0.015 parts of lanthanum sulfate, 8 parts of sulfuric acid, 40 parts of phosphoric acid, 10 parts of sorbitol, 4 parts of nickel nitrate and the balance of water.

[0034] Treatment method: prepare a good polishing agent; degrease and descale the aluminum profile in advance, then wash it with water, then immerse the workpiece with a clean surface in the polishing agent solution at 85°C, wash it with water after 2 minutes, and dry it.

[0035] After being treated with the above polishing agent solution, observe the surface of the workpiece, the entire surface is clean and bright, with consistent color, no spots, white fog, pitting and other abnormalities. The specular reflectance is above 60%.

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Abstract

The invention relates to a polishing agent, an aluminum profile and a polishing treatment method of the aluminum profile. The polishing agent is used for aluminum profile surface pretreatment and comprises the following components of, in parts by weight in 100 parts, 3-10 parts of nitric acid, 0.005-0.02 part of lanthanum sulfate, 5-10 parts of sulfuric acid, 20-50 phosphoric acid, 5-12 parts of sorbitol, 1-5 parts of nickel nitrate and the balance water. After being treated by the polishing agent, the surface of the aluminum profile is clean and bright, and the whole polishing treatment method is simple in process equipment, capable of treating workpieces with complex shapes, convenient to operate and low in use cost.

Description

technical field [0001] The invention relates to the technical field of iron surface treatment, in particular to a polishing agent, an aluminum profile and a polishing treatment method thereof. Background technique [0002] In order to improve the surface performance or appearance of the product, the surface treatment technology of the workpiece is usually used. For example, the surface treatment process of stainless steel, zinc alloy, aluminum, etc. and their alloys has penetrated into all walks of life. Moreover, most workpieces also need to be pretreated before surface treatment, for example, cleaning, decontamination and oil removal, and metal workpieces for some purposes also need to be polished. [0003] Generally in the mechanical processing and electrical and electronic industries, the common cleaning and brightening treatment of aluminum profiles, that is, polishing treatment. Traditional polishing agents generally use mechanical polishing or tri-acid polishing, in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23F3/03
CPCC23F3/03
Inventor 王饶玲
Owner SHENZHEN HENGZHAOZHI TECH CO LTD
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