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Surface etching method of aluminum section bar for furniture

An aluminum profile and etching technology, which is applied in the field of surface etching scattering brightener and its etching, can solve the problems of complex treatment liquid formula and high production energy consumption, achieve elegant texture, less consumption of aluminum materials, and reduce production energy consumption Effect

Inactive Publication Date: 2010-09-29
HUNAN XINMEIGE INNOVATORY DECORATIVE MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this invention also has the problem of complex formulation of the treatment liquid, and the temperature of the sand surface treatment is 55±5°C, which requires heating of the treatment liquid, and the production energy consumption is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The first step: remove the oil on the surface of the aluminum profile according to the conventional degreasing process;

[0013] The second step: performing etching treatment.

[0014] Surface etching and scattering brighteners consist of two treatment fluids with different compositions. The composition of the treatment liquid ① is: ammonium chloride (NH 4 Cl) 12g L -1 , ammonium bifluoride (NH 4 HF 2 )25g·L -1 , The balance of water. The composition of the treatment solution ② is: sodium fluoride (NaF) 15g·L -1 , potassium permanganate (KMnO 4 )10g·L -1 , The balance of water.

[0015] The etching treatment includes two etching processes, the etching process ① uses the treatment liquid ①, and the etching process ② uses the treatment liquid ②. The operation flow of etching treatment is: etching process①→water washing→etching process②→water washing→pickling→oxidation→sealing. First, put the aluminum profile into the treatment solution at room temperature ① to ...

Embodiment 2

[0017] The first step: remove the oil on the surface of the aluminum profile according to the conventional degreasing process;

[0018] The second step: performing etching treatment.

[0019] Surface etching and scattering brighteners consist of two treatment fluids with different compositions. The composition of the treatment liquid ① is: ammonium chloride (NH 4 Cl) 20g L -1 , ammonium bifluoride (NH 4 HF 2 )20g·L -1 , The balance of water. The composition of the treatment solution ② is: sodium fluoride (NaF) 20g·L -1 , potassium permanganate (KMnO 4 )8g·L -1 , The balance of water.

[0020] The etching treatment includes two etching processes, the etching process ① uses the treatment liquid ①, and the etching process ② uses the treatment liquid ②. The operation flow of the etching treatment is the same as that of Embodiment 1.

Embodiment 3

[0022] The first step: remove the oil on the surface of the aluminum profile according to the conventional degreasing process;

[0023] The second step: performing etching treatment.

[0024] Surface etching and scattering brighteners consist of two treatment fluids with different compositions. The composition of the treatment liquid ① is: ammonium chloride (NH 4 Cl) 16g L -1 , ammonium bifluoride (NH 4 HF 2 )30g·L -1 , The balance of water. The composition of the treatment solution ② is: sodium fluoride (NaF) 17g L -1 , potassium permanganate (KMnO 4 )10g·L -1 , The balance of water.

[0025] The etching treatment includes two etching processes, the etching process ① uses the treatment liquid ①, and the etching process ② uses the treatment liquid ②. The operation flow of the etching treatment is the same as that of Embodiment 1.

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Abstract

An etching scattering brightener used on furniture aluminum section surface comprises two treating solutions containing different components. The treating solution (1) is made from 12g.L<-1>-20g.L<-1> of ammonium chloride (NH4CL), 20g.L<-1>-30g.L<-1> of ammonium bifluoride (NH4HF2) and water; and the treating solution (2) is made from 15g.L<-1>-20g.L<-1> of sodium fluoride (NaF), 5g.L<-1>-10g.L<-1> of potassium permanganate (KMnO4) and the water. The chemical etching operation flow comprises the following steps: (1) removing oil stains from the surface of an aluminum section according to the conventional oil removal working procedures; and (2) etching treatment: at first, putting the aluminum section into the treating solution (1) at normal temperature to be etched for 5-10min, taking outand washing the aluminum section with flowing water, then putting the aluminum section into the treating solution (2) at the normal temperature to be etched for 3-8min, taking out and washing the aluminum section with the flowing water, then soaking and cleaning with 20-30% of dilute nitric acid solution by mass percent for 2-3min, and finally oxidizing and sealing holes according to the conventional procedures to obtain a finished product. The etching scattering brightener can ensure a furniture aluminum section to be provided with high-quality diffusion and scattering frosted surfaces, and has low production cost and stable process.

Description

technical field [0001] The invention relates to surface etching and scattering brighteners for aluminum profiles for furniture and an etching method thereof, in particular to surface etching and scattering brighteners for obtaining high-quality diffuse scattering frosted surfaces by chemically etching aluminum profiles for furniture and etching methods thereof method. Background technique [0002] Frosted aluminum profile is a new variety that has become popular in the aluminum profile market in recent years. Its surface is fine and soft, and no extrusion pattern can be seen. At the same time, it avoids the disadvantage of light pollution caused by bright alloy profiles under certain environmental conditions, so it is very popular. The market favors. It is reported that frosted surface profiles are one of the five future development directions of aluminum alloy profiles. [0003] The commonly used pretreatment method for frosted aluminum profiles is the chemical sand surfa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F3/02
Inventor 肖文求
Owner HUNAN XINMEIGE INNOVATORY DECORATIVE MATERIAL
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