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Stable penetration composite rust paint and preparation method thereof

A rust-bearing paint, composite technology, applied in anti-corrosion paint, epoxy resin paint, coating and other directions, can solve the problem of poor rust removal effect, and achieve the effect of small coating performance, good anti-corrosion effect and high hardness

Active Publication Date: 2018-03-20
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In order to overcome the technical defect of poor derusting effect of the existing anti-rust paint with rust, the present invention provides a kind of stable penetration composite rust paint with excellent anti-corrosion performance

Method used

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  • Stable penetration composite rust paint and preparation method thereof
  • Stable penetration composite rust paint and preparation method thereof
  • Stable penetration composite rust paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Each component quality is in the embodiment one:

[0038]

[0039]

[0040] The preparation method is:

[0041] (1) Put epoxy resin E-44 into a container, put it into a water bath and raise the temperature to about 50°C.

[0042] (2) Take out the container and add xylene and use a glass rod for preliminary stirring. After stirring evenly, add absolute ethanol, also use a glass rod for preliminary stirring, and cool to room temperature.

[0043] (3) Weigh aluminum tripolyphosphate and put it into the container after grinding, and use a glass rod for preliminary stirring until the stirring is uniform.

[0044] (4) Weigh the zinc phosphate and grind it into the container, and use a glass rod for preliminary stirring until it is evenly stirred.

[0045] (5) Add iron oxide red to the container after weighing and grinding, and stir evenly with a glass rod.

[0046] (6) Weigh the zinc molybdate and add it into the container, and stir evenly with a glass rod.

[0047]...

Embodiment 2

[0053]

Embodiment 3

[0055]

[0056]

[0057] See Example 1 for the preparation methods of Example 3 and Example 2, which will not be repeated here. The performance parameters of the final prepared coating are: the hardness of the paint film is expressed as 3H in pencil hardness, the adhesion level is 0, and the impact strength According to the GB / T1732-1993 standard test, the drop height of the weight is 50CM, and the paint film has no cracks, wrinkles and peeling off. The salt water resistance test is soaked in 5% NaCl solution for 48 hours at room temperature without foaming.

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Abstract

The invention discloses a stable permeable composite rust coating and a preparation method thereof. , penetrating agent epoxy phosphate, dispersant, defoamer and curing agent mixed. The antirust agent of the present invention is aluminum tripolyphosphate, zinc phosphate, zinc molybdate, and tripolyphosphate ion can have stronger chelating power with various metal ions, forms passivation film on the surface of coated object, zinc phosphate and Ferric ions have a strong condensation ability. Phosphate ions react with iron anodes to form a solid protective film with iron phosphate as the main body. This dense purification film is insoluble in water, has high hardness, and excellent adhesion. Molybdenum Zinc acid can release the composite insoluble matter formed by molybdate ions on the steel surface, and has anti-corrosion effect. Through the synergistic effect of each component, the coating of the present invention has excellent anti-corrosion performance.

Description

technical field [0001] The invention relates to an anticorrosion coating for metal, in particular to a novel coating suitable for rusty metal substrates. Background technique [0002] Affected by the rapid development of the modern metal industry, various metal industries have begun to focus on the anti-corrosion and protection of metal materials. According to statistics, one-fifth of the world's total annual metal output is damaged due to metal corrosion and rust, and the economic loss caused by corrosion is about 6.5 trillion yuan. Every year, one twenty-fifth of my country's gross national product is lost due to the corrosion of metal materials, which has far exceeded the sum of losses caused by natural disasters. [0003] The traditional anti-corrosion coating must first carry out strict treatment on the metal surface to remove rust. However, due to the influence of construction conditions, etc., it is difficult to obtain an ideal metal surface, and the cost is high. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D5/08C09D7/61C09D7/63C23C22/42
CPCC08K5/521C09D5/08C09D5/084C09D7/63C09D163/00C23C22/42
Inventor 何海峰刘欣种崇秀卢飞于子琦
Owner SHANDONG UNIV OF SCI & TECH
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