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Eva emulsion heat radiating coating and preparation method therefor

A technology of heat-dissipating coatings and emulsions, applied in anti-corrosion coatings, coatings, etc., can solve the problems of performance degradation, high specific surface energy, and large specific surface area, and achieve improved compatibility, good dispersion, and high graft density. Effect

Inactive Publication Date: 2015-12-02
BENGBU TIMES ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Nano-silica has a large specific surface area and high specific surface energy. It is easy to agglomerate in the coating to form secondary particles, resulting in a decrease in the performance of strengthening and toughening. At the same time, the hydroxyl groups on the surface also strengthen this phenomenon.

Method used

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Examples

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Embodiment Construction

[0025] A kind of Eva emulsion heat-dissipating paint, it is made up of the raw material of following weight part:

[0026] Calcium fluoride 2, Eva emulsion 6, styrene maleic anhydride copolymer 12, propynyl alcohol 6, tetrahydrofuran 90, graphene 4, nano silicon dioxide 16, dimethylformamide 700, sodium nitride 4, trichloro Aluminum 0.04, 2% sodium ascorbate solution 1.6, 2% copper sulfate solution 1.8, high-density polyethylene 120, ricinoleic acid 0.7, dimethyl methylphosphonate 3, diphenylsilanediol 2, ammonium molybdate 0.7 , polybenzimidazole fiber 1, silane coupling agent KH5600.4.

[0027] A kind of preparation method of described Eva emulsion heat-dissipating paint, comprises the following steps:

[0028] (1) Add diphenylsilanediol to 6 times of absolute ethanol, stir evenly, add polybenzimidazole fiber, raise the temperature to 70°C, keep stirring for 10 minutes, add graphene, distill, remove ethanol, Vacuum drying to obtain fiber graphene;

[0029] (2) Mix the abo...

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Abstract

The present invention discloses an Eva emulsion heat radiating coating. The Eva emulsion heat radiating coating is prepared from the following raw materials in parts by weight: 2-4 parts of calcium fluoride, 6-10 parts of an Eva emulsion, 12-15 parts of a styrene and maleic anhydride copolymer, 6-10 parts of propargyl alcohol, 90-100 parts of tetrahydrofuran, 4-7 parts of graphene, 16-20 parts of nano silicon dioxide, 700-800 parts of dimethylformamide, 4-5 parts of sodium nitride, 0.04-0.05 part of aluminium trichloride, 1.6-2 parts of a 2-3% sodium ascorbate solution, 1.8-2 parts of a 2-3% copper sulfate solution, 120-130 parts of high density polyethylene, 0.7-1 part of ricinoleic acid, 3-4 parts of dimethyl Methylphosphorate, 2-3 parts of diphenyl silandiol, 0.7-1 part of ammonium molybdate, 1-2 parts of polybenzimidazole fiber and 0.4-0.5 part of a silane coupling agent KH560. According to the present invention, by adding the Eva emulsion, the compatibility of materials among resin can be improved, the dispersibility of particles is improved, and the heat-conducting and heat radiating effect is improved.

Description

technical field [0001] The invention relates to the technical field of heat dissipation coatings, in particular to an Eva emulsion heat dissipation coating and a preparation method thereof. Background technique [0002] With the rapid development of modern science and technology, the high frequency and high speed of electronic devices and the density and miniaturization of integrated circuits have greatly increased the total power density and calorific value of electronic devices per unit volume, thus making the cooling of electronic devices more difficult. increasingly prominent. However, the cooling capacity achieved by conventional cooling systems is greatly challenged, especially in the fields of energy, automobiles, air conditioning, agriculture, chemicals, heating, aerospace, microelectronics, information, etc. put forward higher requirements. The heat dissipation paint is a special paint that improves the heat dissipation efficiency of the surface of the object and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D123/06C09D123/08C09D7/12C09D5/08
Inventor 朱兴堂朱亮亮陈军彦
Owner BENGBU TIMES ELECTRONICS
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