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Electronic electro-conductive paint and preparation method thereof

A technology of electronic conductivity and coating, applied in the direction of conductive coating, anti-corrosion coating, coating, etc., can solve the problems that the electrodes cannot be guaranteed to work normally, achieve good electrical conductivity, improve electrical conductivity, and good film-forming effect

Inactive Publication Date: 2015-10-14
苏州洋杰电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The electrical conductivity of electronic coatings is mainly aimed at electronic components that require electrical conductivity, such as electrodes. If exposed electrodes are used for a long time, they will inevitably be eroded from the outside world. This requires coatings to protect the electrodes, but if the coatings are not Conductive properties, then the proper functioning of the electrode cannot be guaranteed, therefore, in this case, the conductivity of the coating is very important

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] An electronic conductive paint, including the following parts by mass:

[0026] 35 parts of phenolic resin, 5 parts of polyaniline, 3 parts of conductive graphite powder, 5 parts of polypyrrole, 2 parts of lanthanum trichloride, 2 parts of nano aluminum powder, 5 parts of alcohol ester 12 parts and 15 parts of xylene.

[0027] A preparation method of electronic conductive paint, the preparation steps are as follows:

[0028] (1) Weigh all raw materials accurately;

[0029] (2) Put the solid phase components into a ball mill to grind and mix evenly to obtain a mixed powder;

[0030] (3) Mix the mixed powder and liquid phase components together, place them in a static mixer, and obtain a premix after uniform mixing;

[0031] (4) Place the premix in the room and let it stand for 64 hours to obtain the electronic conductive paint.

[0032] Test the performance of electronic conductive coatings, the results show:

[0033] Electrical conductivity (resistivity / Ωm): 1.31*10 7 ;

[0034] 1000...

Embodiment 2

[0036] An electronic conductive paint, including the following parts by mass:

[0037] 50 parts phenolic resin, 10 parts polyaniline, 7 parts conductive graphite powder, 10 parts polypyrrole, 5 parts lanthanum trichloride, 5 parts nano aluminum powder, 12 parts alcohol ester 12 parts, and 32 parts xylene.

[0038] A preparation method of electronic conductive paint, the preparation steps are as follows:

[0039] (1) Weigh all raw materials accurately;

[0040] (2) Put the solid phase components into a ball mill to grind and mix evenly to obtain a mixed powder;

[0041] (3) Mix the mixed powder and liquid phase components together, place them in a static mixer, and obtain a premix after uniform mixing;

[0042] (4) Place the premix in the room and let it stand for 64 hours to obtain the electronic conductive paint.

[0043] Test the performance of electronic conductive coatings, the results show:

[0044] Electrical conductivity (resistivity / Ωm): 1.16*10 7 ;

[0045] 1000h coating aging test...

Embodiment 3

[0047] An electronic conductive paint, including the following parts by mass:

[0048] 38 parts of phenolic resin, 6 parts of polyaniline, 4 parts of conductive graphite powder, 6 parts of polypyrrole, 3 parts of lanthanum trichloride, 3 parts of nano aluminum powder, 12 parts of alcohol ester and 22 parts of xylene.

[0049] A preparation method of electronic conductive paint, the preparation steps are as follows:

[0050] (1) Weigh all raw materials accurately;

[0051] (2) Put the solid phase components into a ball mill to grind and mix evenly to obtain a mixed powder;

[0052] (3) Mix the mixed powder and liquid phase components together, place them in a static mixer, and obtain a premix after uniform mixing;

[0053] (4) Place the premix in a vacuum and let it stand for 18 hours to obtain an electronic conductive paint.

[0054] Test the performance of electronic conductive coatings, the results show:

[0055] Electrical conductivity (resistivity / Ωm): 1.21*10 7 ;

[0056] 1000h coating...

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Abstract

The invention discloses an electronic electro-conductive paint and a preparation method thereof, and belongs to the technical field of paints. The paint comprises the following components in parts by weight: 35 to 50 parts of phenolic resin, 5 to 10 parts of polyaniline, 3 to 7 parts of electro-conductive graphite powder, 5 to 10 parts of polypyrrole, 2 to 5 parts of lanthanum trichloride, 2 to 5 parts of nano aluminum powder, 5 to 12 parts of 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate, and 15 to 32 parts of xylene. The preparation method comprises the following steps: (1) precisely weighing the raw materials; (2) evenly grinding the raw materials in a ball mill to obtain mixed powder; (3) placing the powder in a static mixer and evenly mixing to obtain premix; (4) allowing the premix to stand still for 24 to 48 hours in a room to obtain the electronic electro-conductive paint. The provided electronic electro-conductive paint has a good electro-conductive performance and a good film-forming effect, also has certain corrosion resistant, high temperature resistant, and weatherability performances, and is capable of preventing electronic elements from being corroded in a long time.

Description

Technical field [0001] The invention belongs to the technical field of coatings, and particularly relates to an electronic conductive coating and a preparation method thereof. Background technique [0002] Electronic coatings are coating compositions for electronic components or equipment. With the advancement of technology, the types and quantities of electronic components and equipment are increasing, and the volume is getting smaller and smaller, and the design is getting more and more refined. This refined development trend, on the one hand, has greatly met people's needs for use, and on the other hand, it has driven the refined development trend in many fields. [0003] Electronic coatings are a refined field developed to meet the needs of the electronics industry. Unlike general coatings, coatings in the electronic field have stricter performance requirements for coating compositions. [0004] First of all, electronic coatings are generally sprayed, so the preparation process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D161/06C09D179/02C09D179/04C09D5/24C09D5/10C09D7/12
Inventor 刘杰
Owner 苏州洋杰电子有限公司
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