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Color-treated base material and base material color treatment method therefor

A color treatment and substrate technology, applied in the direction of metal material coating process, etc., can solve the problems of difficult to present metallic metallic texture, difficult to present multiple colors and so on

Active Publication Date: 2016-08-10
浦项股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, with the above-mentioned PVD-sol-gel method, although it is possible to present a metallic texture on the surface of the substrate, it is not the inherent metallic texture of magnesium, and it is difficult to display various colors.
In addition, when the anodic oxidation method is used for color development, not only will an opaque oxide film be formed on the surface of the substrate, but it is also difficult to present the inherent metallic texture of the metal.

Method used

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  • Color-treated base material and base material color treatment method therefor
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  • Color-treated base material and base material color treatment method therefor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0136] A test piece (4 cm x 7 cm x 0.4 T) prepared as a substrate containing magnesium was immersed in an alkaline cleaning solution to degrease. After that, a container containing a 100°C, 10% by weight NaOH aqueous solution was placed in a heated reaction container whose surface was burnt to 150°C, so that the temperature at the bottom of the container was adjusted to be close to 150°C by the heat rays that heated the reaction container. The degreased test piece is soaked in the container in such a way that the horizontal surface of the test piece is in contact with the bottom of the container, and the immersion is carried out for a total of 80 minutes. After the test piece is rinsed with distilled water, it is dried in a drying oven to produce a color-developed test piece. piece.

[0137] When the test piece was observed with naked eyes, it was confirmed that the surface of the test piece showed colors such as red, yellow, and green sequentially like a rainbow.

Embodiment 2

[0139] A color-developed test piece was produced by the same method as in Example 1 above. Thereafter, matte clear coating was performed on the test piece, thereby producing a color-developing-treated test piece formed with a matte surface coating layer. At this time, the thickness of the applied matte transparent coating agent is about 5 μm or less.

Embodiment 3

[0141]A color-developed test piece was produced by the same method as in Example 1 above. Thereafter, glossy / matte transparent coating was performed on the test piece, thereby manufacturing a color-developing-treated test piece formed with a glossy / matte surface coating layer. At this time, the thickness of the coated glossy / matte transparent coating agent is about 5 μm or less.

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Abstract

A substrate treated with color development, according to the present invention, is provided with areas on the surface having different temperatures to induce an average thickness difference in the coating, when a coating is formed on a matrix surface containing magnesium, thereby maintaining a metal texture unique to the substrate while enabling the development of a plurality of colors on the substrate surface with a single color development treatment, and thus can be useful in areas using magnesium materials, such as external materials for construction, vehicle interiors, and especially in the electrical and electronic parts material fields such as in mobile phone case parts.

Description

technical field [0001] The present invention relates to a color-developing-treated base material that exhibits a plurality of colors on the surface, and a color-developing treatment method for the base material used therefor. Background technique [0002] Magnesium is an ultra-lightweight metal among practical metals. It has excellent wear resistance, is resistant to sunlight, and is environmentally friendly, but it is difficult to express various colors. In addition, as a metal with very low electrochemical properties, it is extremely active, so it is corroded very quickly in the atmosphere or in a solution without color development treatment, so it is difficult to apply it to industry. [0003] In recent years, the magnesium industry has attracted attention as the industry as a whole has become lighter in weight. In the field of electrical and electronic component materials such as mobile phone casing parts, metallic exterior materials have become a trend. Therefore, we ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/46C23C22/57
Inventor 郑铉珠全英遇李钟锡徐旼弘安钢焕
Owner 浦项股份有限公司
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