Nano conductive carbon paste for surface electroplating of non-metal insulating materials and preparation method thereof

A nano-conductive and insulating material technology, applied in conductive materials dispersed in non-conductive inorganic materials, etc., can solve the problems of high production cost, high price, and large environmental pollution, so as to reduce the cost of electroplating, reduce pollution, and simplify electroplating. The effect of craftsmanship

Active Publication Date: 2017-08-29
YANTAI XIAXIN NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the traditional non-metallic plating process involves sensitization and activation and electroless metal plating (such as copper or nickel, etc.) metals (such as silver or palladium), the process is complicated, the production cost is high, and the pollution to the environment is large

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of nano conductive carbon paste for surface electroplating of non-metal insulating materials, its components are calculated by weight percentage: conductive carbon black 5%, nonylphenol polyoxyethylene ether 0.5%, polyvinylpyrrolidone 0.5%, styrene acrylate emulsion 3%, tetraethyl orthosilicate 0.1% and water 90.9%.

[0017] The preparation method of the above-mentioned non-metallic insulating material surface electroplating nano-conductive carbon paste, the steps are as follows:

[0018] (1) Add 90.9% water to the emulsifier, adjust the emulsifier speed to 3000r / min, add 0.1% tetraethyl orthosilicate, 0.5% nonylphenol polyoxyethylene ether, 0.5% polyvinylpyrrolidone and 3 % styrene acrylate emulsion, emulsified for 2h;

[0019] (2) Continue to add 5% conductive carbon black, emulsify and disperse for 2 hours until the maximum diameter of conductive carbon black particles is less than 100nm, and obtain nano conductive carbon paste, which is measured and packaged...

Embodiment 2

[0021] A kind of nano conductive carbon paste for surface electroplating of non-metal insulating materials, its components are calculated by weight percentage: conductive carbon black 3%, nonylphenol polyoxyethylene ether 0.4%, polyvinylpyrrolidone 0.3%, styrene acrylate emulsion 2%, tetraethyl orthosilicate 0.3% and water 94%.

[0022] The preparation method of the above-mentioned non-metallic insulating material surface electroplating nano-conductive carbon paste, the steps are as follows:

[0023] (1) Add 94% of water into the emulsifier, adjust the emulsifier speed to 3000r / min, add 0.3% tetraethyl orthosilicate, 0.4% nonylphenol polyoxyethylene ether, 0.3% polyvinylpyrrolidone and 2 % styrene acrylate emulsion, emulsified for 2h;

[0024] (2) Continue to add 3% conductive carbon black, emulsify and disperse for 2 hours until the maximum diameter of conductive carbon black particles is less than 100nm, to obtain nano conductive carbon paste, which is measured and packaged...

Embodiment 3

[0026] A kind of nano conductive carbon paste for surface electroplating of non-metal insulating materials, its components are calculated by weight percentage: conductive carbon black 4%, nonylphenol polyoxyethylene ether 0.3%, polyvinylpyrrolidone 0.4%, styrene acrylate emulsion 2.5%, tetraethyl orthosilicate 0.2% and water 92.6%.

[0027] The preparation method of the above-mentioned non-metallic insulating material surface electroplating nano-conductive carbon paste, the steps are as follows:

[0028] (1) Add 92.6% of water into the emulsifier, adjust the emulsifier speed to 3000r / min, add 0.2% tetraethyl orthosilicate, 0.3% nonylphenol polyoxyethylene ether, 0.4% polyvinylpyrrolidone and 2.5 % styrene acrylate emulsion, emulsified for 2h;

[0029] (2) Continue to add 4% conductive carbon black, emulsify and disperse for 2 hours until the maximum diameter of conductive carbon black particles is less than 100nm, to obtain nano conductive carbon paste, which is measured and ...

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PUM

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Abstract

The invention belongs to the technical field of nanomaterial processing and non-metal surface electroplating, and in particular relates to a nano-conductive carbon paste for surface electroplating of non-metal insulating materials and a preparation method thereof, comprising conductive carbon black, nonylphenol polyoxyethylene ether, polyvinylpyrrolidone , Styrene acrylate emulsion, tetraethyl orthosilicate and water. Coating the conductive carbon paste prepared by the present invention on the surface of non-metal substrate can save the process of sensitization, activation and electroless metal plating, without using formaldehyde as reducing agent, without using expensive metals such as palladium and silver, which greatly simplifies The electroplating process reduces the cost of electroplating and reduces the pollution to the environment.

Description

technical field [0001] The invention belongs to the technical field of nano material processing and non-metal surface electroplating, and in particular relates to a nano-conductive carbon paste for non-metal insulating material surface electroplating and a preparation method thereof. Background technique [0002] Before electroplating non-metallic materials such as plastics, ceramics, glass, gypsum, wood, etc., surface treatment is required to make the plated parts have a good surface state and electrical conductivity. Traditional non-metallic electroplating uses chemical electroplating. The process includes: (1) Mechanical roughening, generally using sandblasting to increase the contact area between the coating and the substrate and improve the bonding strength; (2) Chemical degreasing; (3) Chemical roughening to further improve the effect of mechanical roughening; (4) ) sensitization and activation, sensitization makes the non-metal surface adsorb a layer of easily oxidiza...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B1/24C25D5/54
CPCC25D5/54H01B1/24
Inventor 夏茂臻窦锦浩夏炳离窦元辰
Owner YANTAI XIAXIN NEW MATERIAL CO LTD
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