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Radiating paint, and preparation method and application thereof

A technology of heat-dissipating paint and organic solvent, applied in coating and other directions, can solve the problems of poor heat-dissipation effect, large volume, occupation and so on

Active Publication Date: 2012-11-14
鹤山市顺鑫实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the passive heat dissipation methods have the problems of poor heat dissipation and unstable effects. Although adding a fan or increasing the heat dissipation area can effectively improve the heat dissipation effect, there are problems such as occupying a large volume, consuming energy, and generating noise.

Method used

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  • Radiating paint, and preparation method and application thereof
  • Radiating paint, and preparation method and application thereof
  • Radiating paint, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0035] Preparation of Preliminary Example 1 Nano-Silicon-Al-Carbon-Oxygen Alloy Powder

[0036] Weigh each raw material according to the stated weight: nano-aluminum powder (average particle size 50-200nm) 300 kg, nano-silicon powder (average particle size 50-200nm) 100 kg, nano-carbon powder (average particle size 50-200nm) 80 kg , 1000 kg of 100% ethanol, 1 kg of concentrated hydrochloric acid, 10 kg of silane coupling agent KH-570 (purchased from Nanjing Qianqian Chemical Co., Ltd., trade name: silane coupling agent KH-570);

[0037] Put concentrated hydrochloric acid into 100% ethanol and stir for 10 minutes to dissolve, then fill the reactor with nitrogen to catch oxygen, nitrogen bubbles under the liquid surface, after 2 hours, add nano-aluminum powder, nano-silicon powder, nano-carbon powder, stir for 1 hour, add KH-570, and stir for 16 hours; then centrifuge and dry to obtain a good mixed powder with surface treatment (the X-ray diffraction pattern is shown in figure ...

Embodiment 2

[0038] Preparation of Preliminary Example 2 Nano-Silicon-Al-Carbon-Oxygen Powder

[0039] Weigh each raw material according to the stated weight: 200 kg of nano-aluminum powder (average particle size 50-200nm), 50 kg of nano-silicon powder (average particle size 50-200nm), 100 kg of nano-carbon powder (average particle size 50-200nm) , 500 kg of isopropanol, 1 kg of concentrated sulfuric acid, 2 kg of silane coupling agent KH-570 (purchased from Nanjing Xiangqian Chemical Co., Ltd., trade name: silane coupling agent KH-570);

[0040] Put concentrated sulfuric acid into isopropanol and stir for 10 minutes to dissolve, then fill the reaction vessel with nitrogen to catch oxygen, nitrogen bubbles under the liquid surface, after 2 hours, add nano-aluminum powder, nano-silicon powder, nano-carbon powder, stir for 1 hour, add KH-570, stir for 24 hours; then centrifuge, dry the precipitated powder at 80-150 °C in the absence of oxygen to obtain a mixed powder with surface treatment, ...

Embodiment 3

[0041] Preparation of Preliminary Example 3 Nano-Silicon-Al-Carbon-Oxygen Alloy Powder

[0042] Weigh each raw material according to the stated weight: nano-aluminum powder (average particle size 50-200nm) 1000 kg, nano-silicon powder (average particle size 50-200nm) 500 kg, nano-carbon powder (average particle size 50-200nm) 300 kg , 2000 kg of xylene, 20 kg of ammonia water, 15 kg of silane coupling agent KH-570 (purchased from Nanjing Qianqian Chemical Co., Ltd., trade name: silane coupling agent KH-570);

[0043]Put ammonia into xylene and stir for 20 minutes to dissolve, then fill the reactor with nitrogen to catch oxygen, nitrogen bubbles under the liquid surface, after 2 hours, add nano-aluminum powder, nano-silicon powder, nano-carbon powder, stir for 2 hours, Add KH-570 and stir for 36 hours; then centrifuge, and dry the precipitated powder at 100°C in the absence of oxygen to obtain a mixed powder with surface treatment, and burn the powder at 1200°C in a tunnel furn...

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Abstract

The invention discloses a radiating paint, and a preparation method and an application of the radiating paint. The radiating paint comprises the following components: nano alloy powder, polyvinyl butyral, organic solvent, and cross linking agent. The invention further discloses a preparation method of the radiating paint, and an application of the radiating paint in reducing temperature of electronic products and / or mechanical products, and components of the electronic and / or mechanical products. The radiating paint has high radiance; and within the temperature range from 0 EDG C to 200 DEG C, the emissivity of wavelength of 1micro m is 0.91-0.95, and the emissivity of wavelength of 8micro m-14micro m is 0.92-0.98. The coefficient of heat conductivity of the radiating coat is 143W / m. DEG C, so the paint has excellent heat conducting property. According to the radiation application effect tests, the radiating effect of the radiators is greatly enhanced by the radiating paint, so the electronic products or components of the products are prevented from each danger caused by the excess temperature.

Description

technical field [0001] The invention relates to a coating, in particular to a heat dissipation coating and a preparation method thereof. The invention further relates to the application of the heat dissipation coating in the preparation of heat dissipation products or parts with heat dissipation function, which belongs to the field of preparation and application of heat dissipation coatings. Background technique [0002] Electronic products or some mechanical products will generate a lot of heat during long-term use. If the heat cannot be dissipated in time, the temperature of electronic products or components will be too high. Excessive temperature will cause various hazards. For example, excessive temperature will reduce the resistance value of the resistor and shorten the service life of the capacitor. In addition, the high temperature will cause the performance of the transformer and related insulating materials to decline. Excessive temperature will also cause changes i...

Claims

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Application Information

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IPC IPC(8): C09D129/14C09D7/12
Inventor 马可
Owner 鹤山市顺鑫实业有限公司
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