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Corrosion-resistant electronic element coating

An electronic component and corrosion-resistant technology, which is applied in coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve the problems of harmful substances, unsafe environmental protection, and high process costs, so as to improve corrosion resistance, reduce damage, and process simple effect

Inactive Publication Date: 2017-05-31
钦州太平电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional electroplating process is very complicated and produces harmful substances, which is costly and unsafe and environmentally friendly.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A corrosion-resistant coating for electronic components, mainly composed of the following components in proportion by weight:

[0023] Epoxy resin 50kg, graphite powder 3kg, aluminum powder 80kg, zinc powder 2kg, nickel powder 1kg, tin oxide 6kg, sodium tripolyphosphate 2kg, acetone 10kg, methyl cellulose 1.5kg, castor oil polyoxyethylene ether 40kg, Sorbet Acid 20kg.

[0024] The particle diameter of the graphite powder, aluminum powder, zinc powder and nickel powder is 500nm.

[0025] The preparation method of the above-mentioned corrosion-resistant electronic component coating comprises the following steps:

[0026] (1) Heat epoxy resin, graphite powder, aluminum powder, zinc powder, nickel powder, tin oxide, sodium tripolyphosphate, and sorbic acid at 40°C for 20 hours, and set aside;

[0027] (2) Then add acetone, methylcellulose, and castor oil polyoxyethylene ether, mix well to obtain a mixture, and set aside;

[0028] (3) Finally, the mixture obtained in step...

Embodiment 2

[0030] A corrosion-resistant coating for electronic components, mainly composed of the following components in proportion by weight:

[0031] 60kg of epoxy resin, 4kg of graphite powder, 82kg of aluminum powder, 3kg of zinc powder, 2kg of nickel powder, 9 parts of tin oxide, 4kg of sodium tripolyphosphate, 14kg of acetone, 2kg of methyl cellulose, 60kg of castor oil polyoxyethylene ether, and Acid 25kg.

[0032] The particle diameter of the graphite powder, aluminum powder, zinc powder and nickel powder is 600nm.

[0033] The preparation method of above-mentioned electronic protection coating, comprises the following steps:

[0034] (1) Heat epoxy resin, graphite powder, aluminum powder, zinc powder, nickel powder, tin oxide, sodium tripolyphosphate, and sorbic acid at 50°C for 25 hours, and set aside;

[0035] (2) Then add acetone, methylcellulose, and castor oil polyoxyethylene ether, mix well to obtain a mixture, and set aside;

[0036] (3) Finally, the mixture obtained ...

Embodiment 3

[0038] A corrosion-resistant coating for electronic components, mainly composed of the following components in proportion by weight:

[0039] 70kg of epoxy resin, 5kg of graphite powder, 85kg of aluminum powder, 4kg of zinc powder, 3kg of nickel powder, 12kg of tin oxide, 6kg of sodium tripolyphosphate, 18kg of acetone, 2.5kg of methyl cellulose, 80kg of castor oil polyoxyethylene ether, and Sorbet Acid 30kg.

[0040] The particle size of the graphite powder, aluminum powder, zinc powder and nickel powder is 700nm.

[0041] The preparation method of above-mentioned electronic protection coating, comprises the following steps:

[0042] (1) Heat epoxy resin, graphite powder, aluminum powder, zinc powder, nickel powder, tin oxide, sodium tripolyphosphate, and sorbic acid at 60°C for 30 hours, and set aside;

[0043] (2) Then add acetone, methylcellulose, and castor oil polyoxyethylene ether, mix well to obtain a mixture, and set aside;

[0044] (3) Finally, the mixture obtaine...

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Abstract

The invention discloses a corrosion-resistant electronic element coating. The corrosion-resistant electronic element coating consists of the following components in parts by weight: epoxy resin 50-70 parts, graphite powder 3-5 parts, aluminium powder 80-85 parts, zinc powder 2-4 parts, nickel powder 1-3 parts, tin oxide 6-12 parts, sodium tripolyphosphate 2-6 parts, acetone 10-18 parts, methylcellulose 1.5-2.5 parts, castor oil polyoxyethylene ether 40-80 parts and sorbic acid 20-30 parts. A stable coating structure is formed, weather fastness, radiation protection ability and anti-static ability are excellent, the structure of the coating is stable in property and can protect an electronic element for a long time, and damage of foreign elements to the electronic element is reduced. The corrosion-resistant electronic element coating is excellent in corrosion resistance, and the metal surface does not have rusty spots even if the corrosion-resistant electronic element coating soaks in sodium chloride for 300-400 hours due to the fact that the corrosion resistance of the corrosion-resistant electronic element coating is improved to a certain degree by sorbic acid.

Description

technical field [0001] The invention relates to the field of metal coatings, in particular to a corrosion-resistant electronic component coating. Background technique [0002] Electronic components are important parts that constitute electronic equipment or electromechanical equipment. They are relatively small and scattered, and are easily affected by environmental factors, resulting in oxidation, deformation or other damage, which affects the functions of electronic components and even brings damage to the entire equipment. come to harm. Factors from the environment, including air, temperature and humidity, radiation, etc., will cause damage to electronic components, so reducing the impact of environmental factors on electronic equipment is very important. Most of the existing protection methods are structurally improved, or different materials are selected, but the effect is still limited, and the cost is high, and the cost performance is low. Therefore, people came up ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D101/28C09D171/02C09D5/10C09D7/12
CPCC09D163/00C08L2201/04C08L2201/08C08L2203/206C08L2205/03C09D5/103C09D5/106C09D7/61C09D7/63C08L1/28C08L71/02C08K13/02C08K3/04C08K2003/0812C08K2003/0893C08K2003/0862C08K2003/2231C08K2003/324C08K5/09
Inventor 欧阳檐凤
Owner 钦州太平电子科技有限公司
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