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Laser electroplating paint

A coating and laser technology, applied in the direction of coating, liquid chemical plating, metal material coating technology, etc., can solve the problems of high cost, waste, complicated manufacturing process, etc.

Inactive Publication Date: 2015-10-21
武汉风帆电化科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such precious metal particles are not only precious metal resources, but also the production process is very complicated, which makes it costly
However, in actual use, only the graphic part on the surface that needs to be catalyzed plays a catalytic role, and most of the catalytic materials in the plastic structure body do not play a role and are wasted

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1 takes nanometer silver as the laser electroplating coating of catalyst

[0015] Making Nano Silver Catalytic Particles

[0016] Take 50 grams of silver nitrate, dissolve it in 800 ml of distilled water, use a dropper to take 25% reagent ammonia water and add it dropwise to the silver nitrate solution while stirring. During the dropping process, a little precipitate that begins to appear will be dissolved in the stirring , with the increase in the amount of ammonia added until the overall solution turns brown, then add 1 to 3 drops of ammonia, and the solution becomes transparent again. Store the prepared silver ammonia solution in the dark for future use.

[0017] Another 35 grams of tin protochloride was dissolved in 200 milliliters of distilled water. After the dissolution was complete, it was added dropwise to the above-mentioned silver ammonia solution while stirring. At this moment, a brown precipitate appeared in the silver ammonia solution. After t...

Embodiment 2

[0020] Embodiment 2 takes nanometer palladium as the laser electroplating coating of catalyst

[0021] Making nano-palladium catalytic particles

[0022] Take 5 grams of palladium chloride, dissolve it in 40 milliliters of hydrochloric acid, then dilute to 200 milliliters with distilled water, and set aside. Take another 10 grams of stannous chloride, dissolve it in 200 milliliters of distilled water, and after it is completely dissolved, add it to the palladium chloride solution while stirring, at this time, the palladium solution presents a dark brown precipitate. After standing still, filter, and wash the precipitate with distilled water until the washing liquid is neutral, and the obtained nano-palladium powder is dried for future use.

[0023] Make laser plating paint and perform electroless plating

[0024] Take 1 gram of the prepared nano-palladium powder and disperse it in 1000 ml of water-based paint under sufficient stirring to make the laser electroplating paint. ...

Embodiment 3

[0025] Embodiment 3 makes laser electroplating paint with commercial nanometer silver

[0026] Take 5 grams of commercial nano-silver powder and disperse it in 1000 milliliters of organic solvent-based varnish under sufficient stirring. Then this varnish containing nano-silver is coated on the surface of plastic parts with curved structure that needs electronic circuits, and after drying, it is scanned with a laser according to the electronic circuit pattern. Then put the laser-scanned curved plastic component coated with laser paint into the electroless copper plating solution, and the copper circuit pattern can be obtained on the scanned circuit.

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PUM

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Abstract

The invention relates to a laser electroplating paint. The laser electroplating paint contains nanometer conducting particles and can be applied on a general plastic surface not containing catalytically active materials, so that a processed position has an activity of catalyzing chemical plating after lasing processing, and then an electronic circuit pattern can be obtained on the general plastic surface after chemical plating processing. The nanometer conducting particles can be artificially prepared by a chemical method, and commercial nanometer conducting materials can also be adopted.

Description

technical field [0001] The invention relates to a laser electroplating paint. It can be coated on the surface of ordinary plastics without catalytically active materials to make them catalytically active after laser treatment, so as to realize the electroless plating of three-dimensional surface circuit patterns. It belongs to the technical field of laser electroplating. Background technique [0002] It is a known technology to obtain electronic circuit patterns on the surface of plane rigid non-metallic materials to make circuit boards. This technology is commonly referred to as printed circuit board technology. However, it is difficult to obtain conductive circuit patterns on multiple surfaces of curved rigid materials or non-metallic materials with a three-dimensional structure, using traditional printed circuit board technology. In order to obtain electronic circuit patterns on three-dimensional or three-dimensional surfaces, laser plating technology has been develope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C18/30C23C18/42
Inventor 刘仁志张迎
Owner 武汉风帆电化科技股份有限公司