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Reddish brown heat reflective coating for LED lamp

A kind of LED lamp, reddish-brown technology, applied in the direction of reflection/signal paint, coating, etc., can solve the problems of not widely used in practice, and achieve the effect of improving heat dissipation effect, good infrared reflection performance, and good chromaticity performance

Inactive Publication Date: 2016-11-16
昆山初本电子科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although infrared radiation coatings have been studied in the field of LED heat dissipation, their practical applications are not widespread. Therefore, we still need to continue to work hard to explore infrared radiation coatings that can meet the practical application of LED heat dissipation.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A reddish-brown heat-reflective coating for an LED lamp, comprising the following components in parts by weight:

[0017] 450 parts of iron oxide, 25 parts of titanium dioxide, 25 parts of chromium oxide, 150 parts of water, 175 parts of pure acrylic emulsion, 60 parts of titanium dioxide, 40 parts of hollow glass microspheres, 0.8 parts of cellulose ether, 7.5 parts of ethylene glycol, wet dispersion 3.5 parts of agent, 25 parts of heavy calcium powder, 25 parts of talcum powder, 0.8 part of defoamer, 5 parts of film-forming aid, 6 parts of thickener, and 0.5 part of preservative.

[0018] The titanium dioxide is rutile titanium dioxide.

[0019] The wetting and dispersing agent is BYK-190 high molecular weight block copolymer solution containing pigment affinity groups.

[0020] The thickener is one of TT935 and PUR32.

[0021] Described defoamer is TEG0805 defoamer.

[0022] The film-forming aid is propylene glycol phenyl ether.

Embodiment 2

[0024] A reddish-brown heat-reflective coating for an LED lamp, comprising the following components in parts by weight:

[0025] 500 parts of iron oxide, 27 parts of titanium dioxide, 27 parts of chromium oxide, 165 parts of water, 190 parts of pure acrylic emulsion, 65 parts of titanium dioxide, 45 parts of hollow glass microspheres, 0.8 parts of cellulose ether, 9 parts of ethylene glycol, wet dispersion 4 parts of agent, 30 parts of heavy calcium powder, 30 parts of talcum powder, 0.8 part of defoamer, 5 parts of film-forming aid, 6 parts of thickener, and 0.5 part of preservative.

[0026] The titanium dioxide is rutile titanium dioxide.

[0027] The wetting and dispersing agent is BYK-190 high molecular weight block copolymer solution containing pigment affinity groups.

[0028] The thickener is one of TT935 and PUR32.

[0029] Described defoamer is TEG0805 defoamer.

[0030] The film-forming aid is propylene glycol phenyl ether.

Embodiment 3

[0032] A reddish-brown heat-reflective coating for an LED lamp, comprising the following components in parts by weight:

[0033] 550 parts of iron oxide, 30 parts of titanium dioxide, 30 parts of chromium oxide, 180 parts of water, 210 parts of pure acrylic emulsion, 70 parts of titanium dioxide, 50 parts of hollow glass microspheres, 0.8 parts of cellulose ether, 10 parts of ethylene glycol, wet dispersion 4 parts of agent, 30 parts of heavy calcium powder, 30 parts of talcum powder, 0.8 part of defoamer, 6 parts of film-forming aid, 7 parts of thickener, and 0.5 part of preservative.

[0034] The titanium dioxide is rutile titanium dioxide.

[0035] The wetting and dispersing agent is BYK-190 high molecular weight block copolymer solution containing pigment affinity groups.

[0036] The thickener is one of TT935 and PUR32.

[0037] Described defoamer is TEG0805 defoamer.

[0038] The film-forming aid is propylene glycol phenyl ether.

[0039] Mix the three raw materials ...

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PUM

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Abstract

The invention discloses a reddish brown heat reflective coating for an LED lamp. The reddish brown heat reflective coating is characterized by being prepared from components in parts by weight as follows: 450-550 parts of iron oxide, 25-30 parts of titanium dioxide, 25-30 parts of chromium oxide, 150-180 parts of water, 175-210 parts of pure acrylic latex, 60-70 parts of titanium dioxide, 40-50 parts of hollow glass beads, 0.8 parts of cellulose ether, 7.5-10 parts of ethylene glycol, 3.5-4 parts of a wetting dispersant, 25-30 parts of ground calcium carbonate, 25-30 parts of talc powder, 0.8 parts of a defoamer, 5-6 parts of a coalescing agent, 6-7 parts of a thickener and 0.5 parts of a preservative. The reddish brown heat reflective coating has the beneficial effects as follows: by means of composite preparation of the reddish brown heat reflective coating from iron oxide, titanium dioxide and chromium oxide, the heat reflective coating for the LED lamp has good chromaticity performance and infrared reflection performance, and the heat dissipation effect is improved greatly.

Description

technical field [0001] The invention relates to a reddish-brown heat-reflecting paint for LED lamps, which belongs to the technical field of polymer materials. Background technique [0002] As a new type of high-efficiency solid energy-saving electronic device, LED has been widely used. However, the heat dissipation problem has always restricted the development of LED. With the increasing power of LED devices, the heat dissipation problem will become more and more prominent. At present LED heat dissipation is mainly achieved through heat conduction and heat convection. This method is often limited by the specific application environment and cannot play a role in heat dissipation. [0003] The development of radiation heat dissipation can effectively alleviate the above problems. Spraying infrared radiation paint on the surface of the LED substrate can increase the infrared emissivity of the surface and enhance the radiation heat dissipation of the LED. However, although inf...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/33C09D7/12
CPCC09D133/00C08L2205/03C09D5/004C09D7/61C09D7/63C09D7/65C09D7/70C08L1/28C08K13/04C08K7/28C08K2003/2272C08K2003/2237C08K2003/2251C08K2003/2241C08K2003/265
Inventor 王玲
Owner 昆山初本电子科技有限公司
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