Preparation method of gold-imitating coating

A coating, golden technology, applied in the direction of metal material coating process, coating, ion implantation plating, etc., can solve the problems of difficult to achieve mass production stably, difficult performance requirements, etc., to achieve small color difference, stable color value, good repeatability

Active Publication Date: 2021-06-25
NANCHANG KOHLER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these surface coating processes have certain difficulties in obtaining the required stable imitation gold color value on sanitary products, while meeting performance requirements and low production costs; and most of the existing processes are completed using a single target. It is difficult to stably achieve the required L, a, b color value range and mass production

Method used

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  • Preparation method of gold-imitating coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The present embodiment provides a kind of preparation method of gold imitation coating, comprises the steps:

[0028] Step S1: Put the stainless steel parts to be plated into degreasing liquid acetone, degrease, dewax and dedust the surface, and perform surface cleaning treatment;

[0029] Step S2: Load the above parts to be coated into a vacuum coating machine, vacuumize and provide argon as a protective gas, and use a gas ion source device to perform plasma etching on the parts to be coated;

[0030] Step S3: under the protection of argon, bombard the piece to be plated with zirconium high-energy particles after the above treatment, and attach a zirconium ion semi-permeable layer on the surface of the piece to be plated;

[0031] Step S4: using the magnetron multi-arc method to deposit a pure zirconium metal film on the surface of the piece to be plated after the above treatment, as a bottom layer;

[0032] Step S5: Turn on the air extraction to vacuum the inside of ...

Embodiment 2

[0040] The steps of this embodiment are the same as those of Example 1. The specific process parameters of steps S2-S5 are the same as those in Table 1. The difference lies in the parameters of steps S6 and S8. The coating thickness of the product is 0.25 μm, as shown in Table 2:

[0041] Table 2

[0042]

Embodiment 3

[0044] The steps of this embodiment are the same as those of Example 1. The specific process parameters of steps S2-S5 are the same as those in Table 1. The difference lies in the parameters of steps S6 and S8. The coating thickness of the product is 0.20 μm, as shown in Table 3 below:

[0045] table 3

[0046]

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Abstract

The invention provides a preparation method of a gold-imitating coating. The preparation method comprises the following steps that (1), surface cleaning treatment is conducted on a to-be-plated part; (2), plasma etching treatment is conducted on the to-be-plated part by adopting a gas ion source under the protection of inert gas; (3), under the protection of the inert gas, the treated to-be-plated part is subjected to bombardment treatment through high-energy particles of zirconium, and a zirconium ion semi-permeable layer is attached to the surface of the to-be-plated part; (4), a zirconium metal film base layer is deposited on the surface of the treated to-be-plated part by adopting a magnetic control multi-arc method and using a zirconium target material; (5), depositing is conducted on the surface of the treated to-be-plated part by adopting the magnetic control multi-arc method and using the zirconium target material to obtain a first film layer; and (6), depositing is continuously conducted on the surface of the first film layer of the to-be-plated part by adopting the magnetic control multi-arc method and using the zirconium target material and a chromium target material to obtain a second film layer, so that a zirconium carbonitride and chromium carbonitride mixed coating is obtained. By means of the method, the golden yellow product with the uniform color and the stable color value can be obtained, the repeatability of the method is good, and stable batch production can be achieved.

Description

technical field [0001] The application belongs to the technical field of substrate surface treatment, and further relates to a preparation method of an imitation gold coating formed on the substrate surface. Background technique [0002] With the development and progress of modern science and technology, people's requirements for material performance are also increasing, and the use of sputtering thin films for material surface anticorrosion, surface decoration and surface strengthening of various tools and molds is an effective way to improve material performance. At present, both households and public places have invested a lot of money for decoration, and the huge demand of the decoration industry has aroused great attention and research interest from the coating industry and the scientific and technological circles. Among them, the transition metal nitride coating has been used in watches, spectacle frames, teeth, metal furniture, hardware products, ceramics and glass pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/32C23C14/02C23C14/14C23C14/06
CPCC23C14/325C23C14/0015C23C14/022C23C14/14C23C14/0664
Inventor 杨锐
Owner NANCHANG KOHLER
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