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A kind of process method of plastic chemical nickel deposition

A technology of chemical nickel deposition and process method, which is applied in liquid chemical plating, metal material coating process, coating, etc., can solve the problem of non-adhesion of Chimei 758 double color material, and achieve the effect of stable coating

Inactive Publication Date: 2021-01-01
广东泰宝工业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Plastic Chimei 758+ double-color material is a kind of non-electroplating grade material. It is difficult to make the part of Chimei 758 adhere to the conductive layer and the part of the double-color material does not adhere to the conductive layer by the plastic electroplating method of the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A process for electroless nickel deposition on plastics, comprising the following steps:

[0026] Step 1): pre-processing;

[0027] Degrease the plastic Chimei 758+ dual-color material to remove the oil film on the surface of the material; then use a hydrophilic agent to make the surface of the plastic more hydrophilic, which is conducive to a more uniform corrosion of the subsequent chromic acid roughening solution;

[0028] Step 2): coarsening;

[0029] Use the mixture of chromic anhydride and sulfuric acid as the corrosive solution to roughen the plastic material to dissolve the butadiene particles in the plastic to make the plastic surface smooth;

[0030] Step 2): neutralization;

[0031] Add pure water with a pH of 6-8 and a conductivity of 10S / m to the environmentally friendly degreasing agent SA-700, so that the concentration of the environmentally friendly degreasing agent SA-700 is 5-20ml / L; use a concentration of 5-20ml / L The environmental protection degre...

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PUM

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Abstract

The invention relates to the technical field of plastic electroplating, in particular to a process method for plastic chemical nickel deposition. The process method for plastic chemical nickel deposition specifically includes the steps that firstly, pretreatment is performed; secondly, roughening is performed, wherein mixed liquid of chromic anhydride and sulfuric acid is used as corrosive liquidto perform roughening treatment on a plastic material, so that the plastic surface is smooth; thirdly, neutralizing is performed, wherein an environment-friendly degreasing agent SA-700 is used for performing neutralizing treatment on the roughened plastic material, so that chromic anhydride remaining on the surface of the plastic material is completely neutralized; fourthly, palladium depositionis performed, wherein the plastic material after neutralizing treatment is subjected to palladium deposition treatment, so that palladium-tin colloid is formed on the surface of the plastic material;fifthly, peptizing is performed, wherein the plastic material after palladium deposition is soaked in an activation solution, so that palladium particles protected by tin ions are subjected to water washing to form a hydrolytic film, and tin particles are dissolved away so that palladium ions can be exposed; and sixthly, nickel deposition is performed, wherein the plastic material after peptizingis soaked in a chemical nickel plating solution to be subjected to chemical nickel plating treatment, a metal thin film adheres to the surface of the plastic material, and the nickel deposition process is completed.

Description

technical field [0001] The invention relates to the technical field of plastic electroplating, in particular to a process method for electroless nickel deposition on plastic. Background technique [0002] In recent years, plastic electroplating has been widely used in decorative electroplating of plastic parts. Since plastic is a non-conductor, it is necessary to attach a conductive layer before electroplating, and the formation of a conductive layer requires several steps such as roughening, neutralization, sensitization, activation, and chemical plating, which is much more complicated than metal electroplating. Problems are prone to occur, and the content of butadiene in the plastic composition has a great influence on electroplating. The plastic Chimei 758+ dual-color material is a non-electroplating grade material. It is difficult to make the part of Chimei 758 adhere to the conductive layer and the dual-color material part not adhere to the conductive layer by the plas...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C18/32C23C18/24C23C18/30
CPCC23C18/24C23C18/30C23C18/32
Inventor 傅卓斌王博刘太广王孝龙
Owner 广东泰宝工业科技有限公司