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Yellowing-resistant heat-dissipation paint

A heat-dissipating coating and anti-yellowing technology, applied in powder coatings, coatings, etc., can solve problems such as small application range, unsatisfactory use effect, and weak surface adhesion, and achieve strong anti-yellowing properties and good surface leveling , no shrinkage effect

Inactive Publication Date: 2014-04-30
WUHU BAOYI AMUSEMENT EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The heat dissipation coatings currently produced are generally used in the heat dissipation of components of electronic products such as CPUs and LED lamps. The requirements for the medium for painting are relatively high, and the adhesion to rough and loose surfaces is not strong, so the use effect is not ideal. Small scope of application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] An anti-yellowing heat-dissipating coating is characterized in that it is made up of the following raw materials in parts by weight (kg):

[0017] Polypropylene 100, triethylene glycol diisocaprylate 1, sodium molybdate 0.2, dibutyl maleate 5, oyster shell powder 3, dimethyl methylphosphonate 1, calcined kaolin 12, polyethylene glycol 1000 4. Precipitated silica 3, tetrabutylammonium bromide 1, propylene glycol phenyl ether 2, modification additive 10;

[0018] The modified filler is composed of the following raw materials in parts by weight:

[0019] Pyrophyllite 30, diatomite 40, alum powder 2-3, jade powder 4, disodium octaborate tetrahydrate 3, didecyldimethylammonium bromide 0.8, calcium acetylacetonate 1-2, diacetone alcohol 1;

[0020] Calcinate the above diatomite at 700°C for 1 hour, cool to room temperature, add disodium octaborate tetrahydrate and pyrophyllite, mix and grind for 30 minutes, add diacetone alcohol and calcium acetylacetonate, and stir at 80°C ...

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PUM

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Abstract

The invention discloses a yellowing-resistant heat-dissipation paint which is prepared from the following raw materials in parts by weight: 94-100 parts of polypropylene, 1-2 parts of triglycol diisooctoate, 0.2-0.4 part of sodium molybdate, 5-7 parts of dibutyl maleate, 3-4 parts of oyster shell powder, 1-2 parts of dimethyl methyl phosphonate, 8-12 parts of calcined kaolin, 2-4 parts of polyethyleneglycol 1000, 2-3 parts of precipitated silica white, 1-2 parts of tetrabutylammonium bromide, 1-2 parts of propanediol phenyl ether and 8-10 parts of modified assistant. The heat-dissipation paint has the advantages of high adhesive force, favorable surface leveling property, no shrinkage void, high yellowing resistance and excellent comprehensive properties.

Description

technical field [0001] The invention mainly relates to a powder coating, in particular to an anti-yellowing and heat-dissipating coating. Background technique [0002] Thermally conductive and heat-dissipating coatings are widely used in fields that require heat dissipation, such as computers, notebook computers, LED lighting, communications, rectifiers, medical and industrial equipment, and are mainly coated on the surface of radiators. [0003] The heat dissipation coatings currently produced are generally used in the heat dissipation of components of electronic products such as CPUs and LED lamps. The requirements for the medium for painting are relatively high, and the adhesion to rough and loose surfaces is not strong, so the use effect is not ideal. The scope of application is small. Contents of the invention [0004] The object of the present invention is to provide an anti-yellowing heat-dissipating coating. [0005] The present invention is achieved through ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D123/12C09D7/12C09D5/03
Inventor 张庆
Owner WUHU BAOYI AMUSEMENT EQUIP
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