Nickel-imitative (nickel-free) current-free acid-free liquid chemical reaction electroplating process

A technology of chemical reaction and electroplating process, applied in liquid chemical plating, metal material coating process, coating and other directions, can solve the problems of polluted environment, poor quality of gold-plated surface coating, low product reliability, industrial waste water, etc.

Inactive Publication Date: 2018-11-23
深圳市松记钮扣制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition to iron-based cast iron, steel and stainless steel, electroplating base materials also include non-ferrous metals, such as ABS plastic, polypropylene, polysulfone and phenolic plastics, but plastics must undergo special activation and sensitization treatments before electroplating. By directly degreasing

Method used

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  • Nickel-imitative (nickel-free) current-free acid-free liquid chemical reaction electroplating process

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A kind of imitation nickel (nickel-free nickel) no current no acid liquid chemical reaction electroplating process, comprising the following steps:

[0025] Step S1. Cleaning: it is degreasing and decontamination treatment. Oil stains will make the adhesion of the coating worse, and the coating will crack, foam and fall off. Before coating, degreasing treatment should be carried out. The cleaning liquid composition is: 100% water Add washing powder, the ratio is 200:1, pour the dispensed detergent into the drum machine, then put the product, roll for 15, and then rinse with clean water for 3 minutes;

[0026] Step S2, physical polishing: change the physical properties of the product surface through the friction between the products to make the product surface smooth. In step S1, the surface of the product cleaned in step S1 is polished, and the ratio of product to water is 20:1 water Put it into the drum grinder and roll it for 30 minutes to remove the surface of the pr...

Embodiment 2

[0035] A kind of imitation nickel (nickel-free nickel) no current no acid liquid chemical reaction electroplating process, comprising the following steps:

[0036] Step S1. Cleaning: it is degreasing and decontamination treatment. Oil stains will make the adhesion of the coating worse, and the coating will crack, foam and fall off. Before coating, degreasing treatment should be carried out. The cleaning liquid composition is: 100% water Add washing powder, the ratio is 200:1, pour the dispensed detergent into the drum machine, then put the product, roll for 15, and then rinse with clean water for 3 minutes;

[0037] Step S2, physical polishing: change the physical properties of the product surface through the friction between the products to make the product surface smooth. In step S1, the surface of the product cleaned in step S1 is polished, and the ratio of product to water is 20:1 water Put it into the drum grinder and roll it for 40 minutes to remove the surface of the pr...

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Abstract

The invention discloses a nickel-imitative (nickel-free) current-free acid-free liquid chemical reaction electroplating process. The process comprises the following steps: step S1, cleaning: i,e., degreasing and decontaminating treatment, because the oil stain can make the adhesion of paint worse, and make the coating layer generate cracking, foaming and peeling off phenomena; step S2, physical polishing: one of surface modification technologies, which refers to a processing method for changing the physical properties of the surface of the product by the friction between the products, so thatthe surface of the product is enable to be smooth; step S3, cleaning: with 100 percent clear water and without any additives, rinsing for 3-5 minutes; step S4, current-free chemical reacting; step S5,cleaning: with 100 percent clear water and without additives, rinsing for 3-5 minutes; steps S6, drying: using an automatic oven; step S7, spraying protective transparent paint to protect the surfaceof the product so as to prevent scratching and enhance surface corrosion resistance; step S8, drying again. The invention has the advantages of low production cost and simple operation, and greatly reduced environmental pollution.

Description

technical field [0001] The invention relates to the technical field of electroplating, in particular to a nickel-imitation (nickel-free nickel) current-free and acid-free liquid chemical reaction electroplating process. Background technique [0002] During electroplating, the plated metal or other insoluble materials are used as the anode, and the workpiece to be plated is used as the cathode. The cations of the plated metal are reduced on the surface of the workpiece to form a coating. In order to eliminate the interference of other cations and make the coating uniform and firm, it is necessary to use a The solution of the plating metal cations is used as the electroplating solution to keep the concentration of the plating metal cations constant. The purpose of electroplating is to plate a metal coating on the substrate to change the surface properties or dimensions of the substrate. Electroplating can enhance the corrosion resistance of the metal, increase the hardness, pr...

Claims

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Application Information

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IPC IPC(8): C23C18/36C23C18/18
CPCC23C18/1844C23C18/36
Inventor 唐林松
Owner 深圳市松记钮扣制品有限公司
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