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Anti-impact heat-dissipating coating material and preparation method thereof

A heat-dissipating coating and impact-resistant technology, 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 enhanced dispersion, good dispersion, and high graft density. Effect

Inactive Publication Date: 2015-12-09
BENGBU NANZI INSTR
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AI Technical Summary

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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Embodiment Construction

[0025] A kind of anti-impact and heat-dissipating coating, it is made up of the raw material of following parts by weight:

[0026] Soapstone 4, polyether diol 2, styrene maleic anhydride copolymer 12, propynyl alcohol 6, tetrahydrofuran 90, graphene 4, nano silicon dioxide 16, silane coupling agent KH5600.2, dimethyl formaldehyde Amide 700, sodium nitride 4, aluminum trichloride 0.04, 2% sodium ascorbate solution 1.6, 2% copper sulfate solution 1.8, high-density polyethylene 120, sodium fluoroborate 0.1, dibutyl phthalate 3, 8-hydroxyquinoline Phenyl 0.7, calcium propionate 1.

[0027] A preparation method of the impact-resistant and heat-dissipating coating comprises the following steps:

[0028] (1) Add the above-mentioned 8-hydroxyquinoline to 10 times of absolute ethanol, stir to dissolve, add calcium propionate and 40% of the weight of the above-mentioned dibutyl phthalate, keep stirring at 70°C for 10 minutes, add styrene Maleic anhydride copolymer, stirred to normal ...

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Abstract

The present invention discloses an anti-impact heat-dissipating coating material, which which comprises the following raw materials by weight: 4-7 parts of soapstone, 2-3 parts of polyether diol, 12-15 parts of a styrene-maleic anhydride copolymer, 6-10 parts of propargyl alcohol, 90-100 parts of tetrahydrofuran, 4-7 parts of graphene, 16-20 parts of nanometer silica, 0.2-0.3 part of a silane coupling agent KH560, 700-800 parts of dimethylformamide, 4-5 parts of sodium nitride, 0.04-0.05 part of aluminum 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, 0.1-0.3 part of sodium fluoroborate, 3-4 parts of dibutyl phthalate, 0.7-2 parts of 8-hydroxyquinoline, and 1-2 parts of calcium propionate. According to the present invention, the coating material is added with the soapstone, the graphene, the nanometer silica and the like as the filler particles, such that the good anti-impact strength is provided.

Description

technical field [0001] The invention relates to the technical field of heat-dissipating coatings, in particular to an impact-resistant and heat-dissipating 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 obj...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D123/06C09D5/08C09D7/12
Inventor 闫秦峻
Owner BENGBU NANZI INSTR
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