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Manufacturing method of aluminum alloy electrophoresis wood grain profile

A production method and technology of aluminum alloy, applied in the direction of electrophoretic plating, electrolytic coating, surface reaction electrolytic coating, etc., can solve the problems of leaking the background color of the substrate, affecting the appearance quality, uneven thickness of the coating, etc., and achieve strong adhesion , avoid appearance defects, good coverage effect

Inactive Publication Date: 2011-04-27
JILIN LIYUAN REFINED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the limitations of the process, the wood-grain profile has uneven coating thickness, and the groove part cannot be powdered, which will leak the background color of the substrate and affect the appearance quality
In addition, the weakness of the thermosetting organic polymer material itself is that compared with the electrophoretic profile, it is easy to powder and fade, the weather resistance of the coating is poor, and the gloss is significantly lower than that of the electrophoretic profile.

Method used

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  • Manufacturing method of aluminum alloy electrophoresis wood grain profile

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Experimental program
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Effect test

Embodiment 1

[0014] Conventional aluminum alloy substrate degreasing-two washings-acid etching-two washings-alkali etching-two washings-neutralization-two washings-anodizing-two washings-pure water washing-electrolytic coloring-two washings- Pure water washing-hot water washing-electrophoresis-1 water washing-2 water washing-drip dry-electrophoretic paint curing, the curing temperature is 190°C, the time is 26 minutes, and then the wood grain is transferred, the transfer temperature is 185°C, and the transfer time is In 23.5 minutes, the aluminum alloy electrophoresis wood grain profile product was finally obtained. The surface coating thickness of the profile is 22um, the gloss is 110, it has good corrosion resistance, bright appearance and bright and colorful color.

Embodiment 2

[0016] Conventional aluminum alloy substrate degreasing-two washings-acid etching-two washings-alkali etching-two washings-neutralization-two washings-anodizing-two washings-pure water washing-electrolytic coloring-two washings- Pure water washing-hot water washing-electrophoresis-1 water washing-2 water washing-drip dry-electrophoretic paint curing, the curing temperature is 195°C, the time is 25 minutes, and then the wood grain is transferred, the transfer temperature is 187°C, and the transfer time is In 23.3 minutes, the aluminum alloy electrophoretic wood grain profile product was finally obtained. The thickness of the profile surface coating is 20um, the glossiness is 110, the corrosion resistance is good, the appearance is bright, and the color is bright and colorful.

Embodiment 3

[0018] Conventional aluminum alloy substrate degreasing-two washings-acid etching-two washings-alkali etching-two washings-neutralization-two washings-anodizing-two washings-pure water washing-electrolytic coloring-two washings- Pure water washing-hot water washing-electrophoresis-1 water washing-2 water washing-drip dry-electrophoretic paint curing, the curing temperature is 200°C, the time is 24 minutes, and then the wood grain is transferred, the transfer temperature is 190°C, and the transfer time is In 23 minutes, the aluminum alloy electrophoresis wood grain profile product was finally obtained. The thickness of the profile surface coating is 21um, the gloss is 113, the corrosion resistance is good, the appearance is bright, and the color is bright and colorful.

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Abstract

The invention relates to a manufacturing method of an aluminum alloy electrophoresis wood grain profile, comprising the following multiple steps of: degreasing the conventional aluminium alloy base materials; washing; carrying out acid etch; washing; carrying out alkali etch; washing; neutralizing; washing; carrying out anodic oxidation; washing; washing by using pure water; carrying out electrolytic coloring; washing; washing by using the pure water; washing by using hot water; carrying out electrophoresis; washing; washing; dripping for drying; curing; and carrying out transfer printing on wood grains. The manufacturing method of the aluminum alloy electrophoresis wood grain profile is characterized in that the curing temperature of electrophoretic paint is 190-200 DEG C, and the curing time is 24-26 minutes; the transfer printing temperature is 185-190 DEG C, and the transfer printing time is 23-23.5 minutes, thus an aluminum alloy electrophoresis wood grain profile product is obtained. The aluminum alloy electrophoresis wood grain profile product has uniform coating, high adhesive force and good coverage, thereby preventing the appearance defects caused by the bottom leakage of a powder coating; and in addition, the invention has the advantages of high glossiness, brilliant and beautiful color, wonderful feeling of color change and diversity, high corrosion resistant capacity, good weather resistance and difficulty of chalking or fading.

Description

technical field [0001] The invention relates to a method for manufacturing an aluminum alloy electrophoretic wood grain profile, which belongs to the field of surface treatment of aluminum alloy profiles. Background technique [0002] The existing surface treatment of aluminum alloy has a kind of electrophoretic paint profile. Electrophoretic paint is to anodize the aluminum alloy substrate to form dense micro-pores with a depth of about 10um. It is deposited in the oxidation pores, and after electrophoresis, the water-soluble varnish or colored paint is deposited on the surface of the profile to form a uniform, flat and smooth paint film, and the metal particles or organic dyes are sealed in the oxidation pores to make a product. . Electrophoretic painting has the advantages of uniform coating, strong adhesion, good coverage, strong corrosion resistance, good weather resistance, and is not easy to pulverize and fade. However, the color of the paint film is also subject to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D11/04C25D11/18C25D13/06B44C1/165
Inventor 罗颖俊黄晓霞
Owner JILIN LIYUAN REFINED
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