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Red copper golden PVD decorative film and preparation method thereof

A decorative thin film and golden technology, applied in metal material coating process, ion implantation plating, coating, etc., can solve the problems of uneven color deposition and low wear resistance, and achieve high color a value and wear resistance Good performance and good color uniformity

Pending Publication Date: 2022-01-14
JOMOO KITCHEN & BATHROOM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, limited by the ionization rate of conventional arc ion coating or sputtering coating at about 60% or 10%, the limit value of the color a value (redness) that can be obtained is about 12 or less
However, the dielectric film deposited by the principle of light interference cannot deposit uniform colors on complex structures, and has low wear resistance.

Method used

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  • Red copper golden PVD decorative film and preparation method thereof
  • Red copper golden PVD decorative film and preparation method thereof
  • Red copper golden PVD decorative film and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0026] A kind of preparation method of red copper gold PVD decorative film of the present invention comprises the following steps:

[0027] Deposit a base layer on the surface of the substrate to enhance the bonding force between the film layer and the surface of the substrate;

[0028] Depositing at least one transition layer on the primer layer, the transition layer is used to enhance the bonding force between the primer layer and the color layer, and enhance the scratch resistance of the film layer;

[0029] A color layer is deposited on the transition layer (when the number of transition layers is at least two, the color layer is located on the outermost transition layer), the color a value (redness) of the color layer is 8- 11. The color b value (yellowness) is 12 to 18, which has strong reflectivity for red and yellow wavelength light, and strong absorption for blue and green wavelength light;

[0030] An interference layer is deposited on the color layer to generate li...

Embodiment 1

[0037] Multi-arc ion plating with 2 rows of 10 zirconium targets and 1 pair of intermediate frequency targets is used. After loading the samples, vacuum coating is applied. The coating process is bias glow cleaning, followed by plating of the bottom layer, transition layer, color layer, and interference layer. The coating background vacuum is 0.005pa, the coating vacuum is 0.3pa, the arc target current is 90A, and the intermediate frequency current is 30A. Other process parameters are as follows:

[0038]

[0039]

[0040] After the coating is finished, the color Lab measured by a spectrometer is: 53 / 16 / 25, and the maximum color difference ΔE of the main appearance surface of the special-shaped product is 1.9. The thickness of the color layer is 0.12 μm, and the thickness of the interference layer is 0.1 μm.

[0041]A pure interference film process is used to replace the color layer+interference layer process of the present invention to obtain similar colors, and the thi...

Embodiment 2

[0043] Multi-arc ion plating 2 rows of 10 zirconium targets, 1 pair of intermediate frequency targets, vacuum coating after loading samples. The coating process is bias glow cleaning, followed by plating the bottom layer, transition layer, color layer, and interference layer; the background vacuum of the coating is 0.005pa, the vacuum of the coating is 0.3pa, the arc target current is 90A, and the intermediate frequency current is 30A. Other process parameters are as follows:

[0044]

[0045]

[0046] After the coating is finished, the color Lab measured by a spectrometer is: 47 / 20 / 32, and the maximum color difference ΔE of the main appearance surface of the special-shaped product is 2.2. The thickness of the color layer is 0.2 μm, and the thickness of the interference layer is 0.1 μm.

[0047] A kind of preparation method of the red copper gold PVD decorative film of the present invention, the decorative film color a value that it makes is high, and color uniformity is...

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Abstract

The invention discloses a red copper golden PVD decorative film and a preparation method thereof. The preparation method comprises the following steps: preparing a base layer on the surface of a substrate; preparing at least one transition layer on the base layer; preparing a color layer on the transition layer; and preparing an interference layer on the color layer so as to generate light interference, respectively increasing the color a value and the color b value after light reflected by the color layer passes through the interference layer, and enabling the surface of the substrate to present the red copper golden color. The film is high in color a value, good in color uniformity and good in wear resistance, and solves the problems of high redness and high hardness which cannot be realized by a conventional PVD metal coating technology.

Description

technical field [0001] The invention relates to the technical field of vacuum coating, in particular to a copper-gold PVD decorative film and a preparation method thereof. Background technique [0002] The existing kitchen and bathroom hardware products on the market, such as faucets, showers and other PVD coatings generally use metal targets such as zirconium and titanium, which react with nitrogen, acetylene or methane to deposit decorative films such as gold, rose gold, and imitation stainless steel. Generally, the range is calibrated by the Lab value. Limited by materials, equipment, and technology, the a value of a color, that is, the redness, is generally difficult to exceed 12, and it is impossible to obtain some relatively red (a value greater than 15) colors. PVD gold and rose gold decorative coatings are generally composed of a bottom layer, a transition layer, and a color layer (such as a Chinese utility model patent with a patent number of 201820708440.6, a Chin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/06C23C14/08C23C14/10C23C14/14C23C14/32C23C14/35C23C14/02
CPCC23C14/0015C23C14/0664C23C14/083C23C14/10C23C14/0641C23C14/325C23C14/35C23C14/025C23C14/14
Inventor 林孝发林孝山胡征宇刘金李震林
Owner JOMOO KITCHEN & BATHROOM
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