Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Heat dissipation coating and preparation method thereof

A technology for heat-dissipating coatings and metals, applied in anti-corrosion coatings, fire-retardant coatings, coatings, etc., to achieve the effects of good heat resistance, enhanced adhesion, and good mechanical properties

Active Publication Date: 2022-03-22
东莞市安宿泰电子科技有限公司
View PDF7 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, theoretically, infrared rays (electromagnetic waves) radiated from heat-generating items do not emit a constant amount of energy at all wavelengths, but have an energy density distribution that depends on wavelengths that are determined by temperature and are expressed at all wavelengths of infrared rays. Heat-dissipating coatings that emit infrared radiation efficiency close to black bodies can also absorb electromagnetic waves from the outside world, so they are not suitable for products that only need to implement heat dissipation solutions in a specific temperature range

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Heat dissipation coating and preparation method thereof
  • Heat dissipation coating and preparation method thereof
  • Heat dissipation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] The present embodiment provides a heat-dissipating paint, specifically comprising the following steps:

[0058] S1. Preparation of metal oxide composite nano-ceramic powder: Dissolve 1g titanium nitrate, 1g aluminum nitrate, and 2g copper nitrate in 100g water, add 15g citric acid, heat to 60°C, evaporate the solvent for 2 hours to obtain a sol; then increase to 150 ℃, reduce the pressure to 0.01MPa to form xerogel, take it out, ignite the xerogel, and grind it finely to obtain metal oxide composite nano-ceramic powder;

[0059]S2. Preparation of ferrite-coated metal oxide nano-ceramic powder: uniformly disperse 10 g of the metal oxide composite nano-ceramic powder prepared in step S1 in 50 g of an aqueous solution containing polyvinyl alcohol, the content of which is 2 wt%. Obtain suspension, be heated to 40 ℃, configure the solution of ferrous sulfate solution and ammonium bicarbonate, the content of ferrous sulfate in ferrous sulfate solution is 15wt%, and the conten...

Embodiment 2

[0064] The present embodiment provides a heat-dissipating paint, specifically comprising the following steps:

[0065] S1. Preparation of metal oxide composite nano-ceramic powder: dissolve 1g titanium nitrate, 3g aluminum nitrate, 4g copper nitrate in 100g water, add 25g sodium citrate, heat to 80°C, evaporate the solvent for 4h to obtain a sol; then increase to 170°C, reduce the pressure to 0.1MPa to form a xerogel, take it out, ignite the xerogel, and grind it finely to obtain metal oxide composite nano-ceramic powder;

[0066] S2. Preparation of ferrite-coated metal oxide nano-ceramic powder: uniformly disperse 10 g of the metal oxide composite nano-ceramic powder prepared in step S1 in 50 g of an aqueous solution containing polyvinyl alcohol, the content of which is 7 wt%. Obtain suspension, be heated to 50 ℃, configure the solution of ferrous sulfate solution and ammonium bicarbonate, the content of ferrous sulfate in the ferrous sulfate solution is 20wt%, the content of...

Embodiment 3

[0071] The present embodiment provides a heat-dissipating paint, specifically comprising the following steps:

[0072] S1. Preparation of metal oxide composite nano-ceramic powder: Dissolve 1g titanium nitrate, 2g aluminum nitrate, and 3g copper nitrate in 100g water, add 20g citric acid, heat to 70°C, evaporate the solvent for 3h to obtain a sol; then increase to 160 ℃, reduce the pressure to 0.05MPa to form xerogel, take it out, ignite the xerogel, and grind it finely to obtain metal oxide composite nano-ceramic powder;

[0073] S2. Preparation of ferrite-coated metal oxide nano-ceramic powder: uniformly disperse 10 g of the metal oxide composite nano-ceramic powder prepared in step S1 in 50 g of an aqueous solution containing polyvinyl alcohol, the content of which is 5 wt%. Obtain suspension, be heated to 45 ℃, configure the solution of ferrous sulfate solution and ammonium bicarbonate, the content of ferrous sulfate in ferrous sulfate solution is 17wt%, and the content of...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
Particle sizeaaaaaaaaaa
Login to View More

Abstract

The invention provides a heat dissipation coating and a preparation method thereof, and belongs to the technical field of coatings. The preparation method comprises the following steps: reacting titanium nitrate, aluminum nitrate and copper nitrate with a complexing agent to form sol, heating to form xerogel, igniting to obtain metal oxide composite nano ceramic powder, reacting with ferrous sulfate and ammonium bicarbonate to obtain iron oxide coated metal oxide nano ceramic powder, and reacting with dopamine hydrochloride under the catalysis of a Tris-HCl solution containing Co ions to obtain the iron oxide coated metal oxide nano ceramic powder. And uniformly mixing the polydopamine-coated ceramic powder microspheres with silane coupling agent modified carbon nanotubes, organic silicon modified acrylic resin, urea resin, a dispersing agent and an auxiliary agent to obtain the heat dissipation coating. The heat dissipation coating prepared by the invention has the advantages of favorable mechanical properties, favorable heat resistance, favorable weather resistance, favorable chemical corrosion resistance, favorable flexibility, favorable elasticity and favorable film-forming property, has the functions of self-heat dissipation and far infrared release, and has wide application prospects.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a heat-dissipating coating and a preparation method thereof. Background technique [0002] The heat dissipation problem of electronic equipment is related to the reliability and life of electronic equipment. It is a bottleneck affecting the development of today's electronics industry. With the three major development trends of high performance, miniaturization and integration in the electronics industry, the heat dissipation problem is becoming more and more prominent. . In addition, heat dissipation is also one of the main factors that limit the power increase of light-emitting diodes (LEDs), especially in some special and harsh environments, such as the heat dissipation problem of high-power LED lamps used in underwater closed environments is particularly prominent. Research on high-power LED lamps Finding a better way to dissipate heat is an urgent problem to be solved. [...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C09D133/00C09D161/24C09D7/62C09D5/08
CPCC09D133/00C09D7/62C09D5/18C09D5/08C08K2003/2272C08K2003/2227C08K2003/2248C08K2003/2241C08K2201/011C08L2201/08C08L61/24C08K9/06C08K3/041C08K9/10C08K3/22Y02P20/10
Inventor 孙海坤李想余庚
Owner 东莞市安宿泰电子科技有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com