Electrolytic coloring treatment method for titanium golden color surface of aluminum material

An electrolytic coloring and surface treatment technology, applied in electrolytic coatings, surface reaction electrolytic coatings, anodizing and other directions, can solve the problem of poor anti-fingerprint and anti-oil ability, weak "powder" ability, unstable electrolytic coloring solution, etc. problems, to achieve uniform coloring effect, easy control of electrolytic coloring, and the best coloring effect.

Active Publication Date: 2019-08-23
ZHEJIANG CANPHYS MEDICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Electrolytic yellowing is a topic that has been studied more in recent years, but the problems of light color and poor stability have not been well resolved. The application publication number is CN 109183120A (application number is 201811157387.6). The Chinese invention patent application discloses an aluminum The production process of titanium gold electrolytic coloring of profile anodized film includes the following treatment steps: degreasing, water washing, water washing, alkali etching, anodizing, water washing, water washing, activation treatment, electrolytic coloring, water washing, water washing, sealing and water washing treatment processes, The process of the technical scheme is complicated, t

Method used

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  • Electrolytic coloring treatment method for titanium golden color surface of aluminum material
  • Electrolytic coloring treatment method for titanium golden color surface of aluminum material
  • Electrolytic coloring treatment method for titanium golden color surface of aluminum material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] 1) Put the machined aluminum alloy (6061) product into an aqueous solution containing Micro-90 cleaning agent (the mass percentage of Micro-90 cleaning agent is 1.1%) for ultrasonic degreasing treatment at a temperature of 40°C for 5 minutes;

[0043] 2) Aluminum alloy (6061) products are sandblasted with glass sand;

[0044] 3) Aluminum alloy (6061) products are put into pickling solution for pickling treatment, and the composition of the pickling solution is HF 10ml / l, H 3 PO 4 10ml / l, OP-10 0.1g / l, time 1min;

[0045] 4) Aluminum alloy (6061) products are washed, rinsed and sprayed with purified water;

[0046] 5) Aluminum alloy (6061) products are put into sulfuric acid solution for direct current anodization: sulfuric acid, 150g / l, aluminum sulfate, 19g / l, the balance is water, 14°C, time 60Min, voltage 15V;

[0047] 6) Wash, rinse and spray with purified water after anodizing;

[0048] 7) Put the aluminum alloy product in the coloring liquid solution for pore ...

Embodiment 2

[0053] 1) Put the machined aluminum alloy (6061) product into an aqueous solution containing Micro-90 cleaning agent (the mass percentage of Micro-90 cleaning agent is 1.1%) for ultrasonic degreasing treatment at a temperature of 50°C for 8 minutes;

[0054] 2) Aluminum alloy (6061) products are sandblasted with glass sand;

[0055] 3) Aluminum alloy (6061) products are put into pickling solution for pickling treatment, and the composition of the pickling solution is HF 15ml / l, H 3 PO 4 15ml / l, OP-10 0.1g / l, time 1.5Min;

[0056] 4) Aluminum alloy (6061) products are washed, rinsed and sprayed with purified water;

[0057] 5) The aluminum alloy (6061) product is put into a sulfuric acid solution for direct current anodization: sulfuric acid, 160g / l, aluminum sulfate, 27g / l, and the balance is water. 16°C, time 63Min, voltage 15V;

[0058] 6) Wash, rinse and spray with purified water after anodizing;

[0059] 7) Put the aluminum alloy product into the coloring liquid solut...

Embodiment 3

[0064] 1) Put the machined aluminum alloy (6061) product into an aqueous solution containing Micro-90 cleaning agent (the mass percentage of Micro-90 cleaning agent is 1.1%) for ultrasonic degreasing treatment at a temperature of 60°C for 10 minutes;

[0065] 2) Aluminum alloy (6061) products are sandblasted with glass sand;

[0066] 3) Aluminum alloy (6061) products are put into pickling solution for pickling treatment, and the composition of the pickling solution is HF 20ml / l, H 3 PO 4 15ml / l, OP-10 0.1g / l time 2Min;

[0067] 4) Aluminum alloy (6061) products are washed, rinsed and sprayed with purified water;

[0068] 5) The aluminum alloy (6061) product is put into a sulfuric acid solution for direct current anodization: sulfuric acid, 180g / l, aluminum sulfate, 38g / l, and the balance is water. 18℃, time 65Min, voltage 22V;

[0069] 6) Wash, rinse and spray with purified water after anodizing;

[0070] 7) Put the aluminum alloy product in the coloring liquid solution f...

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Abstract

The invention discloses an electrolytic coloring treatment method for the titanium golden color surface of an aluminum material. The method comprises de-oiling, sand blasting, acid pickling, water washing, flushing, sprinkling and anodic oxidation, wherein a sprinkled aluminum alloy product is suspended on a suspending rack, the suspending rack is placed in an anodic oxidation solution, and anodicoxidation treatment is carried out under direct current electricity; water washing, flushing, sprinkling and secondary oxidation are sequentially carried out; the aluminum alloy product is placed ina coloring solution to expand holes, and then, secondary anodic oxidation is carried out under alternate current electricity; water washing is carried out after alternate current electrolytic coloring; the aluminum alloy product is put in hole sealing working fluid to seal the holes; and after water washing and drying are carried out on the aluminum alloy product, the aluminum alloy product with the titanium golden color surface is obtained. By improving the electrolytic coloring technology and agent, the coloring effect is more uniform and stable, and the coloring effect is optimal.

Description

technical field [0001] The invention relates to the technical field of aluminum electrolytic coloring titanium gold, in particular to a surface treatment method for aluminum electrolytic coloring titanium gold. Background technique [0002] Aluminum is one of the six most widely distributed metals in nature, accounting for 7.56% of the total weight of the earth's crust. Aluminum and its alloys are known for their light weight, high plasticity, good electrical conductivity, thermal conductivity, good corrosion resistance, and non-toxic oxidation and corrosion products. . Higher requirements are put forward for aluminum surfaces with various colors. Most of the electrolytic coloring processes currently used in my country are nickel salts, tin salts or nickel-tin mixed salts, and the colors are mostly bronze. Therefore, it is of great significance and urgency to study the multi-color electrolytic coloring process of aluminum alloy and improve its decorative property to promote...

Claims

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Application Information

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IPC IPC(8): C25D11/08C25D11/16C25D11/18C25D11/22
CPCC25D11/08C25D11/16C25D11/18C25D11/22
Inventor 李玉良朱伟强彭伟杜永杰方晓斌方明
Owner ZHEJIANG CANPHYS MEDICAL TECH CO LTD
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