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Anticorrosive coating, and preparation method and brushing method thereof

An anti-corrosion coating and brushing technology, which is applied in the field of coatings, can solve the problems of short anti-corrosion validity period, achieve long-term anti-corrosion ability, simple and easy coating method, and simple and easy preparation

Inactive Publication Date: 2018-06-15
东方工建集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the anticorrosion of coatings still has the defect of short anticorrosion validity period.

Method used

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  • Anticorrosive coating, and preparation method and brushing method thereof
  • Anticorrosive coating, and preparation method and brushing method thereof

Examples

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Effect test

preparation example Construction

[0032] The preparation of the anti-corrosion coating that the embodiment of the present invention provides mainly comprises the following steps:

[0033]Polyethylene glycol and epoxy resin can be melt-blended first, and the polyethylene glycol and epoxy resin can be fully mixed to ensure that the epoxy resin is evenly mixed in the subsequent network structure, which is beneficial to improve the anti-cracking of the coating ability.

[0034] After melt blending, silane coupling agent can be added thereto, and catalyst (such as triethylamine, ethylenediamine, potassium carbonate) can be further added to make silane coupling agent react with polyethylene glycol to form a network structure, and the network structure is formed The epoxy resin is encapsulated in the process to make the second component. The second component is then mixed with the additives. Of course, after melt blending, the additives can also be added first for mixing, and then the silane coupling agent can be a...

Embodiment 1

[0042] The present embodiment provides a kind of anticorrosion coating, and its preparation method is as follows:

[0043] Ingredients: 50g of additives, 80g of the first component, 100g of the second component and 50g of ceramic microbeads.

[0044] The additive is ethylene-methacrylic acid copolymer; the weight ratio of aromatic diamine and anti-aging additive in the first component is 1.5:2; the second component includes a silane coupling agent with a weight ratio of 1:2:2.4 , polyethylene glycol and epoxy resin.

[0045] When the anti-corrosion coating is used, it is prepared on site, and its preparation and painting process steps are as follows:

[0046] The additive, the first component, the second component and the ceramic microspheres are mixed in proportion, and immediately painted on the base material to be protected after mixing to complete the painting.

Embodiment 2

[0048] The present embodiment provides a kind of anticorrosion coating, and its preparation method is as follows:

[0049] Ingredients: sodium pyrophosphate 12g, additive 10g, first component 30g, second component 50g and ceramic microspheres 20g.

[0050] The additive is a silicon-based oxide; the weight ratio of aromatic diamine and anti-aging additive in the first component is 1.5:1; the second component includes a silane coupling agent with a weight ratio of 1:2:1.5-2.3, Polyethylene glycol and epoxy resin.

[0051] When the anti-corrosion coating is used, it is prepared on site, and its preparation and painting process steps are as follows:

[0052] Melt-blending polyethylene glycol and epoxy resin at a temperature of 150° C., and then adding a silane coupling agent therein to prepare the second component. Then mix the sodium pyrophosphate, the additive, the first component, the second component and ceramic microbeads in proportion, and immediately paint on the base mat...

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Abstract

The invention provides an anticorrosive coating, and a preparation method and a brushing method thereof, and relates to the technical field of coatings. The anticorrosive coating is mainly prepared from the following raw materials in parts by weight: 10 to 50 parts of an additive, 30 to 80 parts of a first component, 50 to 100 parts of a second component and 20 to 50 parts of ceramic microspheres,wherein the additive comprises one or two selected from the group consisting of an inorganic additive and an organic additive; the organic additive is one or two selected from the group consisting ofan ethylene-methacrylic acid copolymer and an ethylene-acrylic acid copolymer; the inorganic additive is one or more selected from the group consisting of TiO2, silicon-based oxides and A12O3; the first component comprises a curing agent and an aging-resistant auxiliary agent with a weight ratio of 1.5: (1-2); and the second component comprises a silane coupling agent, polyethylene glycol and epoxy resin with a weight ratio of 1: 2: (1.5-2.5). According to the invention, the epoxy resin is uniformly coated by a mesh structure, so the time of complete covering of a substrate with the coating is greatly prolonged, and the coating has more durable anticorrosive capacity.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an anti-corrosion coating, a preparation method and a painting method thereof. Background technique [0002] Every year in China, a large amount of metals are damaged due to metal corrosion and lose their original properties. Caused a large amount of metal scrapping, economic loss is very big. People have studied various measures to prevent and inhibit metal corrosion, among which coating anticorrosion is an effective method. At present, the anticorrosion of coatings still has the defect of short anticorrosion validity period. Contents of the invention [0003] The object of the present invention is to provide an anti-corrosion coating, which can carry out long-term anti-corrosion to materials, and reduce painting workload and material loss. [0004] Another object of the present invention is to provide a method for preparing an anti-corrosion coating, which is simple and e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D171/02C09D5/33C09D5/08C09D7/65
Inventor 陈文亮韩玥
Owner 东方工建集团有限公司
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