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Corrosion-resistant cover paint for transformer iron core and preparation method thereof

A transformer core and corrosion-resistant technology, applied in anti-corrosion coatings, polyamide coatings, coatings, etc., can solve problems such as excessive heavy metal content and reduced antistatic performance

Active Publication Date: 2021-05-11
ZHONGBIAN GRP SHANGHAI TRANSFORMER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Transformers need to work all year round, and need to have good corrosion resistance and impact resistance. In order to improve performance, common paints on the market add a large amount of organic chemicals and metal elements, resulting in excessive heavy metal content and decreased antistatic performance. , and the paint used in transformers needs to have certain antistatic properties, so it is particularly important to invent a corrosion-resistant covering paint for transformer cores and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A corrosion-resistant covering paint for a transformer iron core. The raw materials of each component are as follows, in parts by weight, including 10 parts of polyamide, 0.5 part of filler, 1 part of antioxidant, 0.3 part of antistatic agent, 1 part of plasticizer, 2 parts of polyamine, 20 parts of pyrrolidone, 5 parts of glycerin.

[0027] The filler is two mixtures of nano silicon dioxide, calcium oxide and aluminum oxide.

[0028] The antioxidant is a mixture of hindered amine compounds and methacryloxysilane.

[0029] The antistatic agent is a mixture of sodium oleate, dodecyl dimethyl benzyl ammonium bromide and cetyl trimethyl ammonium bromide.

[0030] The plasticizer is a mixture of trimethylolpropane and dibutyl phthalate.

[0031] The polyamine is a mixture of triethylenetetramine and diethylenetriamine.

[0032] A preparation method of a corrosion-resistant coating paint for a transformer iron core, the steps are as follows,

[0033] (1) Add lauric acid ...

Embodiment 2

[0039] A kind of corrosion-resistant covering varnish for transformer iron core, each component raw material is as follows, by weight, comprises polyamide 13 parts, filler 0.7 part, antioxidant 1.5 part, antistatic agent 0.35 part, plasticizer 2 parts, 3 parts of polyamine, 25 parts of pyrrolidone, 7 parts of glycerin.

[0040] The filler is two mixtures of nano silicon dioxide, calcium oxide and aluminum oxide.

[0041] The antioxidant is a mixture of hindered amine compounds and methacryloxysilane.

[0042] The antistatic agent is a mixture of sodium oleate, dodecyl dimethyl benzyl ammonium bromide and cetyl trimethyl ammonium bromide.

[0043] The plasticizer is a mixture of trimethylolpropane and dibutyl phthalate.

[0044] The polyamine is a mixture of triethylenetetramine and diethylenetriamine.

[0045] A preparation method of a corrosion-resistant coating paint for a transformer iron core, the steps are as follows,

[0046] (1) Add lauric acid to the reaction vesse...

Embodiment 3

[0052] A kind of corrosion-resistant covering varnish for transformer iron core, each component raw material is as follows, by weight parts, comprises polyamide 15 parts, filler 1 part, antioxidant 2 parts, antistatic agent 0.4 part, plasticizer 3 parts, 4 parts of polyamine, 30 parts of pyrrolidone, 10 parts of glycerin.

[0053] The filler is two mixtures of nano silicon dioxide, calcium oxide and aluminum oxide.

[0054] The antioxidant is a mixture of hindered amine compounds and methacryloxysilane.

[0055] The antistatic agent is a mixture of sodium oleate, dodecyl dimethyl benzyl ammonium bromide and cetyl trimethyl ammonium bromide.

[0056] The plasticizer is a mixture of trimethylolpropane and dibutyl phthalate.

[0057] The polyamine is a mixture of triethylenetetramine and diethylenetriamine.

[0058] A preparation method of a corrosion-resistant coating paint for a transformer iron core, the steps are as follows,

[0059] (1) Add lauric acid to the reaction ve...

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Abstract

The invention discloses a corrosion-resistant cover paint for a transformer iron core and a preparation method thereof. The corrosion-resistant cover paint comprises the following raw materials by weight: 10-15 parts of polyamide, 0.5-1 part of a filler, 1-2 parts of an antioxidant, 0.3-0.4 parts of an anti-static agent, 1-3 parts of a plasticizer, 2-4 parts of polyamine, 20-30 parts of pyrrolidone, and 5-10 parts of glycerin, wherein the antioxidant is a mixture of a hindered amine compound and methacryloxy silane. Polyamide is selected as a main material to be processed and used, the polyamide is high in wear resistance and excellent in sound absorption performance, so that the comprehensive performance of the product can be improved. The anti-static agent consisting of sodium oleate, dodecyl dimethyl benzyl ammonium bromide and hexadecyl trimethyl ammonium bromide is added, due to the fact that the anti-static agent contains halogen, the use amount needs to be controlled, and after the anti-static agent is added, the content of halogen can be ensured to be less than 1%, so that the use safety is ensured, and the effects of preventing environmental pollution and human body injury are achieved.

Description

technical field [0001] The invention relates to the technical field of covering paint preparation, in particular to a corrosion-resistant covering paint for a transformer iron core and a preparation method thereof. Background technique [0002] Transformers are common electrical equipment. Due to the working nature of transformers, they have certain particularities. The paint used for transformers needs to have certain special properties. [0003] Coatings, also known as paints, are used to coat the surface of protected objects and exist in the form of films on the surface of objects. They can simply isolate protected objects from water, air, etc., greatly enhancing the protection of protected objects. Anti-oxidation and anti-corrosion ability. The main component of the coating is mainly resin, which is doped with some additives and other substances, which can greatly enhance the performance of the product coating in all aspects. [0004] Transformers need to work all year...

Claims

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Application Information

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IPC IPC(8): C09D177/00C09D5/08C09D7/63C09D7/61
CPCC09D177/00C09D5/08C09D7/63C09D7/61C08K2003/2206C08K2003/2227C08L2201/04C08K13/02C08K3/36C08K3/22C08K5/098C08K5/19C08K5/12C08K5/3445C08K5/053
Inventor 黄伟
Owner ZHONGBIAN GRP SHANGHAI TRANSFORMER CO LTD
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