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Preparation method of environment-friendly inflaming retarding LED heat dissipation coating

A heat-dissipating coating, flame-retardant technology, applied in the field of preparation of environmentally friendly flame-retardant LED heat-dissipating coatings, can solve the problems of affecting the service life of LEDs, low light conversion efficiency, poor temperature resistance and aging resistance, and achieve fast curing speed , Cohesion and adhesion improvement, the effect of high adhesion

Inactive Publication Date: 2019-10-11
天长市天泰光电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the current low electro-optical conversion efficiency of LEDs, a large amount of heat is generated. If the heat is not removed in time, it will aggravate the light decay of the light source and affect the service life of LEDs.
[0003] At present, most of the thermal conductive adhesives are used to solve the heat dissipation problem of LED lamps, but the materials used have technical problems such as poor temperature resistance and aging resistance, low adhesion to the substrate, poor heat dissipation effect and inconvenient operation, which are difficult to meet people's expectations. Requirements for heat dissipation of LED lamps

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] (1) Preparation of primer; Weigh 30 parts of epoxy resin, 5 parts of graphene, 15 parts of filler, 3 parts of dispersant, 6 parts of curing agent, 1 part of thickener, 1 part of crosslinking agent, and make graphene Prepare a graphene aqueous solution, then add the graphene aqueous solution and epoxy resin to the stirring device, stir, add a dispersant, a thickener and a crosslinking agent in turn during the stirring process, then add an appropriate amount of water, stir and mix, Finally, after vacuum defoaming, the primer coating is obtained;

[0025] (2) Preparation of surface coating; weigh 20 parts of emulsion, 7 parts of titanium dioxide, 14 parts of diatomaceous earth, 10 parts of char-forming agent, and 20 parts of flame retardant, and add the emulsion, titanium dioxide and diatomaceous earth into the stirring equipment , during the stirring process, add charcoal forming agent, flame retardant and appropriate amount of water, stir and mix, and finally vacuum defo...

Embodiment 2

[0029] (1) Preparation of primer; Weigh 40 parts of epoxy resin, 6 parts of graphene, 12 parts of filler, 4 parts of dispersant, 8 parts of curing agent, 2 parts of thickener, 2 parts of crosslinking agent, and graphene Prepare a graphene aqueous solution, then add the graphene aqueous solution and epoxy resin to the stirring device, stir, add a dispersant, a thickener and a crosslinking agent in turn during the stirring process, then add an appropriate amount of water, stir and mix, Finally, after vacuum defoaming, the primer coating is obtained;

[0030] (2) Preparation of surface coating; weigh 20 parts of emulsion, 7 parts of titanium dioxide, 14 parts of diatomaceous earth, 10 parts of char-forming agent, and 20 parts of flame retardant, and add the emulsion, titanium dioxide and diatomaceous earth into the stirring equipment , during the stirring process, add charcoal forming agent, flame retardant and appropriate amount of water, stir and mix, and finally vacuum defoam ...

Embodiment 3

[0034] (1) Preparation of primer; Weigh 52 parts of epoxy resin, 8 parts of graphene, 15 parts of filler, 5 parts of dispersant, 10 parts of curing agent, 3 parts of thickening agent, 3 parts of crosslinking agent, graphene Prepare a graphene aqueous solution, then add the graphene aqueous solution and epoxy resin to the stirring device, stir, add a dispersant, a thickener and a crosslinking agent in turn during the stirring process, then add an appropriate amount of water, stir and mix, Finally, after vacuum defoaming, the primer coating is obtained;

[0035] (2) Preparation of surface coating; weigh 20 parts of emulsion, 7 parts of titanium dioxide, 14 parts of diatomaceous earth, 10 parts of char-forming agent, and 20 parts of flame retardant, and add the emulsion, titanium dioxide and diatomaceous earth into the stirring equipment , during the stirring process, add charcoal forming agent, flame retardant and appropriate amount of water, stir and mix, and finally vacuum def...

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Abstract

The invention relates to the technical field of LED light decoration coatings, and particularly discloses an environment-friendly inflaming retarding LED heat dissipation coating. The coating comprises a bottom-layer coating body and a surface-layer coating body, the bottom-layer coating comprises 30-55 parts of epoxy resin, 5-8 parts of graphene, 10-15 parts of a filler, 3-5 parts of a dispersionagent, 6-10 parts of a curing agent, 1-3 parts of a thickening agent and 1-3 parts of a crosslinking agent, and the surface-layer coating body comprises 20-35 parts of an emulsion, 4-10 parts of titanium dioxide, 8-20 parts of kieselguhr, 10-15 parts of a charring agent and 20-40 parts of a fire retardant. The environment-friendly inflaming retarding LED heat dissipation coating overcomes the deficiencies in the prior art, the adhesion property and attachment force of the coating are improved, the curing speed is high, the bottom-layer coating body has high heat conduction and heat dissipation performance, and the surface-layer coating body has excellent high temperature resistance and inflaming retardance effects.

Description

technical field [0001] The invention relates to the technical field of LED lighting coatings, in particular to a preparation method of an environmentally friendly flame-retardant LED heat dissipation coating. Background technique [0002] LED (Light Emitting Diode) has been rapidly developed due to its high luminous efficiency and low power consumption. LED lighting technology has the advantages of high light efficiency, energy saving and environmental protection, and long service life. It has been widely used in indoor lighting, traffic lighting, display, decoration and other fields. Due to the current low electro-optic conversion efficiency of LEDs, a large amount of heat is generated. If the heat is not removed in time, it will aggravate the light decay of the light source and affect the service life of LEDs. [0003] At present, most of the thermal conductive adhesives are used to solve the heat dissipation problem of LED lamps, but the materials used have technical pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/61C09D5/18C09D201/00F21V29/503F21V29/85
CPCC08K2003/2227C08K2003/2241C08K2003/322C09D5/002C09D5/18C09D7/61C09D7/70C09D163/00C09D201/00F21V29/503F21V29/85C08K3/042C08K3/34C08K3/36C08K3/22C08K3/32C08K7/24
Inventor 缪凤玲
Owner 天长市天泰光电科技有限公司
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