Preparation method of high performance environment-friendly conductive coating

A kind of conductive coating, environmental protection technology, applied in conductive coatings, coatings and other directions, can solve the problems of difficult to improve the mechanical strength and conductivity of coatings at the same time, limited application scope, high coating density and other problems, to achieve excellent mechanical properties, excellent The effect of electrical conductivity and low manufacturing cost

Inactive Publication Date: 2015-07-15
UNIV OF SCI & TECH BEIJING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for these conductive coatings, it is difficult to improve the mechanical strength and electrical cond...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] (1) Take 1 g of polyvinyl butyral powder and add it to 9 g of absolute ethanol, stir at room temperature for 30 min, and let the solution stand for 10 h to obtain a colorless and transparent solution I;

[0018] (2) Take 0.3g of graphite and add it to solution I, and stir at a high speed for 30 minutes at room temperature to make it evenly mixed to obtain a conductive coating;

[0019] (3) Apply the conductive paint to the surface of the aluminum alloy, and dry it in a vacuum oven at 50° C. for 4 hours to obtain a high-performance environmentally friendly conductive material doped with graphite.

[0020] After testing, the conductivity of the obtained high-performance environmentally friendly conductive material doped with graphite is 0.62×10 -3 S / cm; adhesion reaches 0-1 level.

example 2

[0022] (1) Add 1 g of polyvinyl butyral powder to 9 g of butanol, stir at room temperature for 30 min, and let the solution stand for 10 h to obtain a colorless and transparent solution I;

[0023] (2) Take 0.6g of graphite and add it to solution I, and stir at a high speed for 30 minutes at room temperature to make it evenly mixed to obtain a conductive coating;

[0024] (3) Apply the conductive paint to the surface of the carbon steel and place it at room temperature for 24 hours to obtain a high-performance environmentally friendly conductive material doped with graphite.

[0025] After testing, the conductivity of the obtained high-performance environmentally friendly conductive material doped with graphite is 1.27×10 -3 S / cm; Adhesion reaches level 1.

example 3

[0027] (1) Take 1 g of polyvinyl butyral powder and add it to 9 g of isopropanol, stir at room temperature for 30 min, and let the solution stand for 10 h to obtain a colorless and transparent solution I;

[0028] (2) Take 0.3g of carbon black and add it to the solution I, stir at a high speed for 30 minutes at room temperature to make it evenly mixed to obtain a conductive coating;

[0029] (3) Apply the conductive paint to the surface of the aluminum alloy, and dry it in a vacuum oven at 50°C for 4 hours to obtain a high-performance environmentally friendly conductive material doped with carbon black.

[0030] After testing, the electrical conductivity of the high-performance environment-friendly conductive material doped with carbon black is 0.57×10 -3 S / cm; Adhesion reaches level 1.

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Abstract

The invention discloses a preparation method of high performance environment-friendly conductive coating, and belongs to the technical field of conductive coating. The environment-friendly conductive coating is prepared by dissolving environment-friendly polyvinyl butyral resin serving as a matrix with excellent adhesive force and mechanical property and carbon powder serving as conductive filler with efficient electrical conductivity in a solvent. The prepared conductive coating has mechanical property and electrical conductivity. The electrical conductivity of the obtained high performance environment-friendly conductive coating doped with graphite and carbon black is 41.617*10<-3>S/cm, and the adhesive force of the conductive coating reaches 0-1 level. Compared with the prior art, the high performance environment-friendly conductive coating has the advantages that the manufacturing cost of the conductive coating is very low, the preparation method is simple, few additives are added, the raw materials are low in cost and easily obtained, conditions are mild, pollution is avoided, and the volume production of the conductive coating is facilitated.

Description

technical field [0001] The invention relates to a preparation method of a high-performance environment-friendly conductive coating, which belongs to the technical field of conductive coatings. Background technique [0002] The electrical conductivity of polymer materials is generally very low, so they are often used as insulating materials. However, with the continuous development and progress of science and technology, especially the rapid development of the electronic industry and information technology, polymer materials with conductive functions have aroused widespread interest because of their good electrical conductivity and mechanical properties. , and is simple and easy to be widely used in many technical fields such as chemical industry, printing, electronics, electrical appliances, aerospace and aviation. [0003] At present, conductive coatings can be divided into intrinsic conductive coatings and doped conductive coatings according to the conductive mechanism an...

Claims

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Application Information

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IPC IPC(8): C09D129/14C09D7/12C09D5/24
CPCC08K3/04C09D5/24C09D7/61C09D129/14
Inventor 王金伟吴欣雨霍珊珊
Owner UNIV OF SCI & TECH BEIJING
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