Graphene heating paint and preparation method thereof

A heating coating and graphene technology, applied in conductive coatings, epoxy resin coatings, coatings, etc., can solve the problems of unstable heating effect, weak substrate adhesion, poor bending performance, etc., and achieve low cost and high temperature rise The effect of short time and long working life

Inactive Publication Date: 2019-02-22
明德润和新材料(珠海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The graphene heating coating is prepared into a heating film, and the overall heat is uniform after power-on, which can overcome the shortcomings of traditional heating products such as large power consumption and uneven heating
However, the current graphene heating coatings still have deficiencies, such as weak adhesion of graphene coatings to the substrate, unstable heating effect after being prepared into a heating film, long heating time, poor bending performance, and short working life. Further application of graphene heating coating

Method used

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  • Graphene heating paint and preparation method thereof
  • Graphene heating paint and preparation method thereof
  • Graphene heating paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of graphene heating coating, comprises the following components by weight percentage:

[0039]

[0040] The graphene heating coating has a fineness of 40 μm and a solid content of 55.8%.

[0041] The preparation method of above-mentioned graphene heating coating, comprises the following steps:

[0042] (1) carry out ultrasonic dispersion to graphene;

[0043] (2) Graphene, toluene, isopropanol, polyvinylpyrrolidone after step (1) process are joined in the stirrer and stirred 30min, and stirring speed is 1000r / min, forms graphene dispersion liquid;

[0044] (3) Epoxy resin 901-75, dimethylimidazole, superconducting carbon black, amino-modified alkoxypolysiloxane and graphene dispersion are mixed and stirred, and the stirring speed is 1000r / min to form a mixture;

[0045] (4) Grinding the mixture by a grinder, when the mixture reaches a fineness of 40 μm, the solid content is 55.8%. Promptly obtain graphene exothermic coating.

Embodiment 2

[0047] A kind of graphene heating coating, comprises the following components by weight percentage:

[0048]

[0049] The graphene heating coating has a fineness of 40 μm and a solid content of 55.5%.

[0050] The preparation method of above-mentioned graphene heating coating, comprises the following steps:

[0051] (1) carry out ultrasonic dispersion to graphene;

[0052] (2) Graphene, dimethylbenzene, isopropanol, propylene glycol methyl ether acetate after step (1) process are joined in agitator and stirred 30min, and stirring speed is 1000r / min, forms graphene dispersion liquid;

[0053] (3) Mix and stir epoxy resin 901-75, dimethylimidazole, carbon nanotubes, epoxy-modified polyalkoxypolysiloxane and graphene dispersion at a stirring speed of 1000r / min to form a mixture ;

[0054] (4) Grinding the mixture by a grinder, when the mixture reaches a fineness of 40 μm, the solid content is 55.5%. Promptly obtain graphene exothermic coating.

Embodiment 3

[0056] A kind of graphene heating coating, comprises the following components by weight percentage:

[0057]

[0058]

[0059] The graphene heating coating has a fineness of 40 μm and a solid content of 54.9%.

[0060] The preparation method of above-mentioned graphene heating coating, comprises the following steps:

[0061] (1) carry out ultrasonic dispersion to graphene;

[0062](2) Graphene, xylene, isopropanol, polyethercarbonate after step (1) process are joined in the stirrer and stirred 30min, and stirring speed is 1000r / min, forms graphene dispersion liquid;

[0063] (3) Epoxy resin 128, diaminodiphenyl sulfone, tourmaline powder, epoxy-modified polyalkoxy polysiloxane and graphene dispersion are mixed and stirred, and the stirring speed is 1000r / min to form a mixture;

[0064] (4) Grinding the mixture by a grinder, when the mixture reaches a fineness of 40 μm, the solid content is 54.9%. Promptly obtain graphene exothermic coating.

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Abstract

The invention relates to a graphene heating paint and a preparation method thereof. The paint is prepared from the following components in percentage by weight: 2-7 percent of graphene, 20-40 percentof diluent, 0.15-2 percent of dispersant, 20-40 percent of epoxy resin, 1.6-6.6 percent of a curing agent, 10-50 percent of filler and 0.2-1 percent of a coupling agent, wherein the graphene heating paint has fineness of 30-60mu m and solid content of 30-60 percent. The graphene heating paint has excellent comprehensive performance, has strong adhesive force to a base material, can realize whole surface heating after being prepared into a heating film, and has good heating performance and strong bending performance, and the service life is greatly prolonged. The graphene heating paint has uniform fineness and proper solid content, and the heating film is good in appearance, relatively large in unit coating area and low in cost after being prepared into a heating film. The graphene heatingpaint can be produced by simple steps and can be applied to preparation of heating films.

Description

technical field [0001] The invention relates to a graphene heating coating and a preparation method thereof. Background technique [0002] The problem of heating in winter along the south of the Yangtze River has been perplexing the government and the general public. Because there is no central heating in this type of area, people can only use household air conditioners or pave electric heating floors for winter heating for many years. However, most of these heating methods use traditional wire heating products to generate heat, which has high cost, high power consumption, uneven heating, and unsatisfactory heating effect. [0003] Graphene is a two-dimensional carbon nanomaterial, which has attracted extensive attention due to its excellent electrothermal properties. Graphene heating paint is non-toxic and harmless, safe and durable, and has excellent performance. The graphene heating coating is prepared into a heating film, and the overall heat is uniform after power-on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/24C09D7/61C09D7/65
CPCC08K2003/387C08K2201/001C08K2201/011C08L2205/03C09D5/24C09D7/61C09D7/65C09D7/67C09D163/00C08L83/08C08L39/06C08K3/04C08K3/042C08L83/06C08K3/041C08L69/00C08K3/38
Inventor 周磊吴钦文秦晓娟周佳林昭宁
Owner 明德润和新材料(珠海)有限公司
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