Electric heating coating and preparation method thereof

An electrothermal coating and raw material technology, applied in the field of coatings, can solve the problems of easy peeling of electrothermal film, poor heating efficiency, poor corrosion resistance, etc., achieve low industrial cost, simple and easy preparation process, increase flexibility and mechanical strength Effect

Inactive Publication Date: 2019-06-21
秾源科技(北京)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Nowadays, the existing electrothermal film is mainly composed of graphite powder semiconductor conductive powder and inorganic film-forming agents of various oxides such as lead oxide, silicon oxide, magnesium oxide, silicon oxide and boron oxide, metal powder and water-soluble organic film-forming agent. Solvents are blended with each other to form a conductive coating, which has the effect of heating, but it has the following disadvantages: 1. The electric heating film technology of the prior art is a very thick electric heating film, so the heat generated by its heat source is similar to linear conduction , so its heating efficiency is not good
2. The electrothermal film technology of the prior art is easy to peel off and has poor adhesion
3. The electrothermal film technology of the prior art has poor corrosion resistance

Method used

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  • Electric heating coating and preparation method thereof
  • Electric heating coating and preparation method thereof
  • Electric heating coating and preparation method thereof

Examples

Experimental program
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Effect test

experiment example 1

[0060] Group 1: An electrothermal coating, including the following raw materials by weight: m parts of graphene, 10 parts of tin dioxide octahedron, 8 parts of antimony pentoxide, 3 parts of tricobalt tetroxide, 10 parts of aluminum oxide, zinc oxide 6 parts, 3 parts of barium oxide, 3 parts of yttrium trioxide, 4 parts of zirconia, 3 parts of lithium oxide; 5 parts of boron oxide, 7 parts of silicon dioxide, 6 parts of tellurium dioxide; 8 parts of polyaniline, 8 parts of polypyrrole parts; polyacrylonitrile 8 parts, polyamide 8 parts.

[0061] Group 2: An electrothermal coating, including the following raw materials by weight: m parts of graphene, 10 parts of red gold tin dioxide, 8 parts of antimony pentoxide, 3 parts of tricobalt tetroxide, 10 parts of aluminum oxide, 6 parts of zinc, 3 parts of barium oxide, 3 parts of yttrium trioxide, 4 parts of zirconia, 3 parts of lithium oxide; 5 parts of boron oxide, 7 parts of silicon dioxide, 6 parts of tellurium dioxide; 8 parts ...

experiment example 2

[0067] An electrothermal coating, comprising the following raw materials by weight: 5 parts of graphene, n parts of corrosion inhibitor microcapsules based on graphene rolls, 10 parts of tin dioxide octahedron, 8 parts of antimony pentoxide, 3 parts of tricobalt tetroxide, 10 parts of aluminum oxide, 6 parts of zinc oxide, 3 parts of barium oxide, 3 parts of yttrium trioxide, 4 parts of zirconia, 3 parts of lithium oxide; 5 parts of boron oxide, 7 parts of silicon dioxide, 6 parts of tellurium dioxide ; 8 parts of polyaniline, 8 parts of polypyrrole; 8 parts of polyacrylonitrile, 8 parts of polyamide. The corrosion inhibitor microcapsules based on graphene rolls are prepared using 5L 8-hydroxyquinoline supersaturated solution and 5g graphene oxide using the method whose publication number is CN106904603A.

[0068] The performance of the electrothermal coating was detected, and the results are shown in Table 2. Refer to the national standard GB / T1865-2009 for artificial weathe...

experiment example 3

[0079] An electrothermal coating, comprising the following raw materials by weight: 5 parts of graphene, 3 parts of corrosion inhibitor microcapsules based on graphene rolls, x parts of magnetic fluid, 10 parts of tin dioxide octahedron, 8 parts of antimony pentoxide , 3 parts of cobalt tetroxide, 10 parts of aluminum oxide, 6 parts of zinc oxide, 3 parts of barium oxide, 3 parts of diyttrium trioxide, 4 parts of zirconia, 3 parts of lithium oxide; 5 parts of boron oxide, 7 parts of silicon dioxide, 6 parts of tellurium dioxide; 8 parts of polyaniline, 8 parts of polypyrrole; 8 parts of polyacrylonitrile, 8 parts of polyamide. The corrosion inhibitor microcapsules based on graphene rolls are prepared by using 5L of 8-hydroxyquinoline supersaturated solution and 5g of graphene oxide using the method with publication number CN106904603A.

[0080] Group 4: The electrothermal paint prepared according to the above ratio is coated on the insulating layer on the surface of the metal ...

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Abstract

The invention provides an electric heating coating on one hand, wherein the electric heating coating comprises the following raw materials by weight: 0.1-5 parts of graphene, 40-60 parts of metal oxide, 5-20 parts of non-metal oxide, 5-20 parts of organic semiconductor materials and 5-20 parts of high-molecular polymer. The invention provides a method for manufacturing an electrothermal coating, wherein the method comprises the following steps: S1, mixing graphene with the high-molecular polymer at a design ratio; S2, heating up the mixture to 80-180 DEG C for full dissolution; and S3, addingthe metal oxide, the non-metal oxide and the organic semiconductor materials into the mixture according to the design ratio, and continuously heating and stirring for 10-30 min. The electrothermal coating provided by the invention has advantages of high electrothermal conversion rate, nano-plane heating, no attenuation, acid and alkali corrosion resistance, availability to preparation in harsh environments with strong corrosion, and long service life.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an electrothermal coating and a preparation method thereof. Background technique [0002] Electrothermal coating is a new type of functional coating with excellent electrothermal properties. It can be applied to the surface of the object to be heated or heated on any surface like paint. Because it can be directly applied to the surface of the substrate, it has extremely High thermal efficiency. With the continuous development of the science and technology industry, the performance requirements for functional coatings are constantly improving, and as a kind of functional coatings, the research and development of electrothermal coatings is constantly deepening, and the requirements for the electrothermal performance of electrothermal coatings are also higher. At the same time Many properties that are closely related to the application environment are also proposed. [0003] Nowadays, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/20C09D177/00C09D179/02C09D179/04C09D5/18C09D5/08C09D7/61C09D7/62
Inventor 徐明邢立艳
Owner 秾源科技(北京)有限公司
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