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Rare metal heat dissipation anticorrosive coating for LED heat dissipation fins and preparation method of rare metal heat dissipation anticorrosive coating

An anti-corrosion coating and rare metal technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of surface scale, reduced heat dissipation efficiency, and lack of finding, and achieve the effect of not easy to scale and prolong the service life.

Inactive Publication Date: 2020-07-14
哈尔滨鑫科纳米科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But on this basis, the surface protection of the heat dissipation fins is also very important. The traditional LED heat dissipation fins and the improved ones with increased heat dissipation area all face the problems of surface fouling and corrosion, which lead to a decrease in heat dissipation efficiency. However, the use of existing anti-corrosion coatings All will directly lead to the reduction of heat dissipation efficiency to a certain extent, so this problem has not found an effective solution

Method used

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  • Rare metal heat dissipation anticorrosive coating for LED heat dissipation fins and preparation method of rare metal heat dissipation anticorrosive coating
  • Rare metal heat dissipation anticorrosive coating for LED heat dissipation fins and preparation method of rare metal heat dissipation anticorrosive coating
  • Rare metal heat dissipation anticorrosive coating for LED heat dissipation fins and preparation method of rare metal heat dissipation anticorrosive coating

Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0045] The preparation of preparation example 1 titanium nano polymer colloid:

[0046] 100g of pure titanium powder with a metal content greater than 99.5%, a pulverizer (low molecular weight epoxy resin E51) with 5%wt of titanium powder mass, an auxiliary pulverizer (oleic acid) with 5%wt of titanium powder mass and 0.5% dispersant (byk170) are added together in 100g colloidal carrier (xylene), 300rpm high stirs and mixes evenly, takes this mixture and joins in the feed tank of pulverizer, carries out 3h grinding, after grinding, naturally cool to room temperature, filter afterwards, obtain fineness It is a titanium nanometer primary polymer below 50~75nm; then, add titanium powder quality 0.1%wt anti-flocculation agent (naphthalene sulfonate formaldehyde condensate) and titanium powder quality 0.2%wt anti-flocculation agent in titanium nanometer primary polymer; The precipitating agent (stearic acid) and anti-precipitation agent (BYK410) with 2.5% titanium powder mass are s...

preparation example 2

[0057] The preparation of preparation example 2 graphene colloids:

[0058] The composition (by mass parts) of graphene colloid is: 5 parts of graphene, 0.1 part of wetting and dispersing agent, 10 parts of crosslinking agent, 0.3 part of anti-flocculation agent, 0.5 part of anti-sedimentation agent, 100 parts of colloid carrier; 5 parts of graphene, 0.1 part of wetting and dispersing agent (wetting and dispersing agent S596), 10 parts of crosslinking agent (2,5-dimethyl-2,5-di-tert-butylperoxyhexane), colloid carrier (cyclo Oxygen resin F51) 100 parts, 300rpm high stirring mixes, packs in graphene polymer preparation special equipment feed tank (disclosed in patent CN201821944605.6), grinds 2h, obtains graphene colloid primary polymer; To graphene colloid primary polymer Add 0.3 part of anti-flocculation agent (Efka LP-9009) and 0.5 part of anti-sedimentation agent (Deqian 202P) to the polymer, and grind for 1 hour with a high-energy grinder to obtain graphene colloid.

Embodiment 1

[0059] Embodiment 1 Preparation of rare metal heat dissipation and anticorrosion coating for LED heat dissipation fins: according to the following formula (by mass):

[0060]

[0061] Mixed solvent (ethanol / butanol, V:V=1:1) 45g;

[0062] (1) Component A: Add 33 parts of the above two resins, titanium nanopolymer colloid, graphene colloid, silicon carbide, BYK301, BYK410 and mixed solvent into the paint bucket, start stirring, and mix evenly; The density is 30μm, packed in drums;

[0063] (2) Component B: Take T318g and add 12g of mixed solvent, stir well.

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Abstract

The invention provides rare metal heat dissipation anticorrosive coating for LED heat dissipation fins and a preparation method of the rare metal heat dissipation anticorrosive paint. The invention relates to the technical field of functional coatings and preparation methods thereof, and aims to protect heat dissipation surfaces of LED lamp heat dissipation fins, and the coating comprises bisphenol F resin, bisphenol A resin, titanium nano polymer colloid, graphene colloid, high thermal conductivity ultrafine powder, a special curing agent, a mixed auxiliary agent, an anti-settling agent and amixed solvent. By adopting the rare metal heat-dissipation anticorrosive paint for the LED heat-dissipation fins, a nano heat-dissipation coating is formed on the surface of the heat-dissipation surface of the LED heat-dissipation fins, so that the heat-dissipation function of a substrate can be ensured not to be reduced for 5-10 years, meanwhile, the substrate can be ensured not to be corroded for 5-10 years, scales are not easy to deposit, and the service life of an LED lamp can be greatly prolonged.

Description

technical field [0001] The invention relates to the technical field of functional coatings and preparation methods thereof, in particular to a rare metal heat dissipation and anti-corrosion coating for LED heat dissipation fins, a preparation method and application thereof. Background technique [0002] As a modern advanced energy-saving light source, LED lights are developing rapidly and are a major scientific and technological project in our country. The junction temperature determines the life of an LED lamp. For example, the life of a high-power white LED when the junction temperature is attenuated by 70% is as follows: [0003] Junction temperature °C 25 35 50 75 85 100 120 150 service life h 234000 157000 90000 39000 29500 19500 11700 6000 [0004] The junction temperature depends on the cooling effect of the matched cooling fins. The heat dissipation fins of LEDs are basically AI-Mg alloys. At present, in order to prolong the servic...

Claims

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Application Information

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IPC IPC(8): C09D163/02C09D5/10C09D7/61B02C17/06B02C23/14B02C17/10B02C23/16
CPCB02C17/06B02C17/10B02C17/185B02C17/1855C08K2003/0881C08K2003/385C08K2201/003C08K2201/011C08L2203/206C08L2205/025C09D5/10C09D163/00C09D7/61C09D7/67C08L63/00C08K13/06C08K9/12C08K3/08C08K3/042C08K3/34C08K3/38
Inventor 薛俊峰朱兰芬
Owner 哈尔滨鑫科纳米科技发展有限公司
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