CN105086666A

CN105086666A - Radiation cooling paint for LED radiator surfaces

Info

Publication number: CN105086666A
Application number: CN201510638693.1A
Authority: CN
Inventors: 马健评
Original assignee: GUILIN JIANPING ENVIRONMENTAL PROTECTION ENERGY SAVING PRODUCTS DEVELOPMENT Co Ltd
Current assignee: GUILIN JIANPING ENVIRONMENTAL PROTECTION ENERGY SAVING PRODUCTS DEVELOPMENT Co Ltd
Priority date: 2015-09-30
Filing date: 2015-09-30
Publication date: 2015-11-25

Abstract

The invention discloses radiation cooling paint for LED radiator surfaces. The paint comprises components in parts by weight as follows: 25-35 parts of aluminum oxide sol of 20-30 nm, 5-15 parts of acrylic resin, 5-15 parts of organic silicone resin, 10-20 parts of PTFE (polytetrafluoroethylene), 10-20 parts of silicon carbide, 10-20 parts of aluminum nitride and 2-8 parts of an aid. The aluminum oxide sol cooling solution with high performance is combined with the acrylic resin and the macromolecular organic silicone resin, the PTFE resistant to high temperatures and chemical corrosion and easy to clean, the silicon carbide with the higher heat conductivity and the aluminum nitride with the good heat conductivity and the low thermal expansion coefficient are blended under the action of the aid, and the prepared radiation cooling paint has a radiation cooling effect, has the characteristics of good self-cleanliness, corrosion prevention, waterproofness, fire prevention, insulation, acid and base resistance, convenience in construction and high glossiness and is particularly suitable for LED radiators.

Description

A kind of LED radiator surface heat loss through radiation is painted

Technical field

The present invention relates to optical coating technical field, be specifically related to a kind of LED radiator surface heat loss through radiation and paint.

Background technology

LED is the abbreviation of photodiode, be a kind of be the semiconductor electronic component of luminous energy by electric energy conversion, there is volume little, life-span is long, current consumption is low, speed of response is fast, luminous efficiency is high, the advantages such as energy-conserving and environment-protective, it is the product of the most competitive power of the conventional light source as an alternative of generally acknowledging in the industry, also be widely used in real life, still there is many problems in current LED product, wherein heat dissipation problem is the most important thing always, common heat sink material mostly is high-thermal conductive metal, high heat conduction inorganic materials and the composite sintering of these materials form, it is large to there is excision forming difficulty in these materials, cost is higher, be subject to the shortcomings such as environmental corrosion, and with plastics and the composite heat sink material made of heat conductive filler, good radiating effect can be played, the environmental compatibility of material can be improved again, reach the use properties of efficient stable.

Traditional heat radiation mainly adopts dispels the heat at joint place heat radiation resin, but repeatedly changeable along with joint place temperature, be easy to have an impact to resin property, cause resin aging, peel off, radiating effect is poor, increases energy consumption.And heat loss through radiation japanning construction common is in the market complicated, and glossiness is low.

Summary of the invention

For the deficiencies in the prior art, the object of this invention is to provide a kind of there is good self-cleaning, preservative property, water-repellancy, fire line, insulativity, antiacid alkali, easy construction, LED radiator surface heat loss through radiation that glossiness is high paint.

In order to achieve the above object, the technical scheme that the present invention takes is:

The heat loss through radiation japanning of LED radiator surface, parts by weights and component thereof are: the alumina sol of 20 ~ 30nm 25 ~ 35 parts, acrylic resin 5 ~ 15 parts, silicone resin 5 ~ 15 parts, tetrafluoroethylene 10 ~ 20 parts, 10 ~ 20 parts, silicon carbide, aluminium nitride 10 ~ 20 parts, auxiliary agent 2 ~ 8 parts.

As preferred component, parts by weights and component thereof are: the alumina sol of 20 ~ 30nm 27 ~ 33 parts, acrylic resin 7 ~ 13 parts, silicone resin 7 ~ 13 parts, tetrafluoroethylene 12 ~ 18 parts, 12 ~ 18 parts, silicon carbide, aluminium nitride 12 ~ 18 parts, auxiliary agent 3 ~ 7 parts.

As preferred component, parts by weights and component thereof are: the alumina sol of 20 ~ 30nm 29 ~ 31 parts, acrylic resin 9 ~ 11 parts, silicone resin 9 ~ 11 parts, tetrafluoroethylene 14 ~ 16 parts, 14 ~ 16 parts, silicon carbide, aluminium nitride 14 ~ 16 parts, auxiliary agent 4 ~ 6 parts.

As better composition, parts by weights and component thereof are: the alumina sol of 20 ~ 30nm 30 parts, acrylic resin 10 parts, silicone resin 10 parts, tetrafluoroethylene 15 parts, 15 parts, silicon carbide, aluminium nitride 15 parts, auxiliary agent 5 parts.

As optimal technical scheme, in order to ensure that auxiliary agent speed can enter component and complete reaction, to be conducive to obtaining the japanning of high performance heat loss through radiation, described auxiliary agent is selected from two or more the collocation in flow agent, dispersion agent, anti-settling agent, defoamer, auxiliary rheological agents.

The preparation method of heat loss through radiation japanning: first by load weighted macromolecule resin, solvent, far infrared ceramic powder, silicon carbide, cerium oxide mix and blend, add auxiliary agent while stirring, after stirring 45min, be placed in grinding machine for grinding 2 hours, then in stirrer, churning time is 30min, finally regulate suitable viscosity, by 300 order filter screen filtration, pack.

During use, burnjector mechanical above-mentioned japanning is adopted to be sprayed at LED radiator surface.

Compared with prior art, the benefit that the present invention has: utilize and there is higher visible ray and near infrared light reflectivity, the properties such as higher thermal infrared emittance and stability, also there is good physicals simultaneously, the alumina sol heat radiation solution of chemical property and the multiple plyability of good application property is in conjunction with acrylic resin, silicone resin macromolecule resin, incorporate high temperature resistant under the effect of auxiliary agent, resistance to chemical attack, tetrafluoroethylene easy to clean, there is the silicon carbide of high thermal conductance, also has good heat conductivity, the aluminium nitride that thermal expansivity is little, obtained heat loss through radiation japanning is while playing radiation cooling, also good self-cleaning is had, preservative property, water-repellancy, fire line, insulativity, antiacid alkali, easy construction, the feature that glossiness is high, be specially adapted to LED radiator.

Embodiment

Below in conjunction with specific embodiment, the present invention is further described.

Embodiment 1

First, parts by weights meter takes component and is: the alumina sol of 20 ~ 30nm 25 parts, acrylic resin 7 parts, silicone resin 8 parts, tetrafluoroethylene 20 parts, 20 parts, silicon carbide, aluminium nitride 18 parts, flow agent 2 parts.

Then, prepare heat loss through radiation japanning: first by load weighted macromolecule resin, solvent, far infrared ceramic powder, silicon carbide, cerium oxide mix and blend, add auxiliary agent while stirring, after stirring 45min, be placed in grinding machine for grinding 2 hours, then in stirrer, churning time is 30min, finally regulates suitable viscosity, by 300 order filter screen filtration, pack.

Embodiment 2

First, parts by weights meter takes component and is: the alumina sol of 20 ~ 30nm 27 parts, acrylic resin 8 parts, silicone resin 9 parts, tetrafluoroethylene 18 parts, 18 parts, silicon carbide, aluminium nitride 18 parts, dispersion agent 2 parts.

Then, heat loss through radiation japanning is prepared: with embodiment 1.

Embodiment 3

First, parts by weights meter takes component and is: the alumina sol of 20 ~ 30nm 30 parts, acrylic resin 10 parts, silicone resin 10 parts, tetrafluoroethylene 15 parts, 15 parts, silicon carbide, aluminium nitride 15 parts, anti-settling agent 5 parts.

Then, heat loss through radiation japanning is prepared: with embodiment 1.

Embodiment 4

First, parts by weights meter takes component and is: the alumina sol of 20 ~ 30nm 32 parts, acrylic resin 11 parts, silicone resin 12 parts, tetrafluoroethylene 13 parts, 12 parts, silicon carbide, aluminium nitride 13 parts, defoamer 7 parts.

Then, heat loss through radiation japanning is prepared: with embodiment 1.

Embodiment 5

First, parts by weights meter takes component and is: the alumina sol of 20 ~ 30nm 35 parts, acrylic resin 12 parts, silicone resin 13 parts, tetrafluoroethylene 10 parts, 10 parts, silicon carbide, aluminium nitride 12 parts, auxiliary rheological agents 8 parts.

Then, heat loss through radiation japanning is prepared: with embodiment 1.

It should be pointed out that above case is only the representational example of the present invention.Obviously, technical scheme of the present invention is not limited to above-described embodiment, can also have many sex change.

Claims

1. a LED radiator surface heat loss through radiation is painted, it is characterized in that, parts by weights and component thereof are: the alumina sol of 20 ~ 30nm 25 ~ 35 parts, acrylic resin 5 ~ 15 parts, silicone resin 5 ~ 15 parts, tetrafluoroethylene 10 ~ 20 parts, 10 ~ 20 parts, silicon carbide, aluminium nitride 10 ~ 20 parts, auxiliary agent 2 ~ 8 parts.

2. a kind of LED radiator surface heat loss through radiation is painted according to claim 1, it is characterized in that, parts by weights and component thereof are: the alumina sol of 20 ~ 30nm 27 ~ 33 parts, acrylic resin 7 ~ 13 parts, silicone resin 7 ~ 13 parts, tetrafluoroethylene 12 ~ 18 parts, 12 ~ 18 parts, silicon carbide, aluminium nitride 12 ~ 18 parts, auxiliary agent 3 ~ 7 parts.

3. a kind of LED radiator surface heat loss through radiation is painted according to claim 2, it is characterized in that, parts by weights and component thereof are: the alumina sol of 20 ~ 30nm 29 ~ 31 parts, acrylic resin 9 ~ 11 parts, silicone resin 9 ~ 11 parts, tetrafluoroethylene 14 ~ 16 parts, 14 ~ 16 parts, silicon carbide, aluminium nitride 14 ~ 16 parts, auxiliary agent 4 ~ 6 parts.

4. a kind of LED radiator surface heat loss through radiation is painted according to claim 3, it is characterized in that, parts by weights and component thereof are: the alumina sol of 20 ~ 30nm 30 parts, acrylic resin 10 parts, silicone resin 10 parts, tetrafluoroethylene 15 parts, 15 parts, silicon carbide, aluminium nitride 15 parts, auxiliary agent 5 parts.

5. a kind of LED radiator surface heat loss through radiation japanning according to Claims 1 to 4 any one, it is characterized in that, described auxiliary agent is selected from two or more the collocation in flow agent, dispersion agent, anti-settling agent, defoamer, auxiliary rheological agents.