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A long-term anti-corrosion and weather-resistant functional coating and its preparation method

A long-term anti-corrosion and coating technology, which is applied in the direction of anti-corrosion coatings, coatings, epoxy resin coatings, etc., can solve the problems of poor weather resistance and short anti-corrosion cycle, reduce porosity, facilitate operation, and reduce corrosion rate Effect

Active Publication Date: 2020-08-14
ARMOR ACADEMY OF CHINESE PEOPLES LIBERATION ARMY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing traditional organic coatings have problems such as short anti-corrosion cycle and poor weather resistance, and with the enhancement of environmental protection awareness, it is imminent to develop new green marine anti-corrosion coatings

Method used

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  • A long-term anti-corrosion and weather-resistant functional coating and its preparation method
  • A long-term anti-corrosion and weather-resistant functional coating and its preparation method
  • A long-term anti-corrosion and weather-resistant functional coating and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The specific preparation process of the nano-titanium-based hybrid material in this example is as follows:

[0035] 1) Grinding aid configuration: Mix 40g of epoxy resin E51, 40g of sulfur-containing rubber LP-2 and 300g of acetone evenly as grinding aid;

[0036] 2) Grinding medium configuration: select wear-resistant steel balls with a particle size of Φ5mm, Φ15mm and Φ20mm, and mix them uniformly as grinding media with a mass of 100g, 150g and 1800g respectively;

[0037] 3) Preparation of titanium-based hybrid material: Weigh 500g of grinding aid, 2050g of grinding medium and 300g of micron titanium powder, place them in a wear-resistant alloy steel grinding jar, fix it on a high-energy ball mill with a rotation speed of 1800rpm, and ball mill at room temperature 3.5h, obtain the nano-titanium-based hybrid material in the shape of black slurry;

[0038] Compared with the infrared spectrum results of the nano-titanium-based hybrid material processed in Example 1 and...

Embodiment 2

[0040] The specific preparation process of the nano-titanium-based hybrid material in this example is as follows:

[0041] 1) Grinding aid configuration: Mix 45g of epoxy resin E51, 45g of sulfur-containing rubber LP-2 and 400g of acetone evenly as grinding aid;

[0042] 2) Grinding medium configuration: choose wear-resistant steel balls with a particle size of Φ5mm, Φ15mm and Φ20mm, and mix them uniformly as grinding media with a mass of 300g, 700g and 1600g respectively;

[0043] 3) Preparation of titanium-based hybrid material: Weigh 550g of grinding aid, 2600g of grinding medium and 500g of micron titanium powder, place them in a wear-resistant alloy steel grinding tank, fix it on a high-energy ball mill with a rotation speed of 1900rpm, and ball mill at room temperature 4h, obtain the nano-titanium-based hybrid material that becomes black slurry;

[0044] After grinding, it is the same as the result of Example 1, all being located at 914cm -1 The characteristic absorption...

Embodiment 3

[0046] The specific preparation process of the nano-titanium-based hybrid material in this example is as follows:

[0047] 1) Grinding aid configuration: mix 50g of epoxy resin E51, 50g of sulfur-containing rubber LP-2 and 450g of acetone evenly as grinding aid;

[0048] 2) Grinding medium configuration: select wear-resistant steel balls with a particle size of Φ5mm, Φ15mm and Φ20mm, and mix them uniformly as grinding media with a mass of 50g, 700g and 1900g respectively;

[0049] 3) Preparation of titanium-based hybrid material: Weigh 600g of grinding aid, 2650g of grinding medium and 550g of micron titanium powder, place them in a wear-resistant alloy steel grinding jar, fix it on a high-energy ball mill with a rotation speed of 1700rpm, and ball mill at room temperature 5h, obtain the nano-titanium-based hybrid material that becomes black slurry;

[0050] The epoxy bond breaks the bond, and the titanium atom is grafted with the epoxy bond, realizing the preparation of the ...

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Abstract

The invention provides a long-acting anticorrosive weatherproof functional coating and a preparation method thereof. The coating is prepared by taking bisphenol A type epoxy resin as a main base material, dimethylbenzene and n-butyl alcohol as solvents, as well as a nano-titanium based hybrid material (a titanium and organic polymer grafted product) as a main filler, adding pigments and fillers such as a mica powder and a talcum powder as well as assistants such as a defoamer, a plasticizer and a leveling agent at the same time, uniformly mixing by mechanical stirring, and carrying out spray coating by a spray gun. The coating contains organic polymers and nano-inorganic small molecules; all the components have the advantages of excellent compatibility, high corrosion resistance and excellent ageing resistance. According to the long-acting anticorrosive weatherproof functional coating provided by the invention, by introducing the titanium based hybrid material, the crosslinking densityof the coating can be improved, a binding force between the hybrid material and a matrix can be improved, the defects of short corrosion-resisting cycle and low ultraviolet resistance of a traditional organic coating are improved, and the corrosion resisting and weathering resistance of the coating are remarkably improved. The coatings with different types can be prepared by regulating and controlling parameters of a preparation technology according to an application environment.

Description

technical field [0001] The invention belongs to the technical field of preparation of nanometer functional coatings, and in particular relates to a long-acting anti-corrosion and weather-resistant functional coating and a preparation method thereof. Background technique [0002] Equipment will be affected and affected by environmental factors during its service. Especially when it is in a harsh environment of high temperature, high humidity, high salt spray, and strong ultraviolet light, chemical, electrochemical or physical reactions will inevitably occur, causing it to be damaged or invalidated and corroded. According to statistics, the global annual loss due to corrosion is as high as 1.4-2.2 trillion US dollars, and the weight of steel products scrapped due to corrosion is equivalent to 1 / 3 of the steel output; The loss amounted to 2.13 trillion yuan, accounting for 3.34% of GDP that year. Corrosion will not only bring huge losses to the national economy, but catastrop...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D5/10C09D7/61
CPCC08K2003/0881C09D5/10C09D7/61C09D163/00C08K9/08C08K3/08C08K3/34C08K5/12
Inventor 魏世丞王博梁义王玉江薛俊峰薛富津郭蕾
Owner ARMOR ACADEMY OF CHINESE PEOPLES LIBERATION ARMY
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