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Antirust agent, and preparation method and application thereof

A technology of anti-rust agent and solvent, which is applied in the field of anti-rust agent and its preparation, and can solve the problems of high work intensity, difficulty, and difficulty in surface pretreatment of substrates, etc.

Inactive Publication Date: 2021-12-31
CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Strict and complex surface pretreatment brings greater difficulty to the construction, resulting in high work intensity for the staff, especially when the external environment is harsh and the surface shape of the substrate is irregular, the surface pretreatment of the substrate is particularly difficult

Method used

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  • Antirust agent, and preparation method and application thereof
  • Antirust agent, and preparation method and application thereof
  • Antirust agent, and preparation method and application thereof

Examples

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preparation example Construction

[0054] Another embodiment of the present invention provides a preparation method of the above-mentioned antirust agent. The preparation method of the antirust agent comprises the following steps: preparing potassium phytate, epoxy resin and solvent according to their respective parts by mass; grinding the potassium phytate, epoxy resin and solvent.

[0055] In this embodiment, the potassium phytate, the epoxy resin and the solvent are prepared according to the mass parts of 2-8 parts, 25-35 parts and 8-15 parts respectively. Then, the potassium phytate, the epoxy resin and the solvent are ground, and at this time, the potassium phytate, the epoxy resin and the solvent can be kept uniformly mixed. In particular, the uniform dispersion of potassium phytate in the epoxy resin can improve the shielding performance of the protective coating on the basis of ensuring good coating and anti-rust, and further realize the structural transformation of the rust layer on the surface of the ...

Embodiment 1

[0069] The raw materials of the antirust agent in this embodiment are 1.08 g of potassium phytate, 15 g of epoxy resin and 5.5 g of solvent. Wherein the solvent is formed by mixing 3.85g xylene and 1.65g n-butanol.

[0070] In this embodiment, the curing agent is polyamide curing agent 651, and the curing agent is 7.5 g. In this embodiment, the defoamer is 0.05g.

[0071] The preparation method of the antirust agent in the present embodiment is:

[0072] S101: Prepare potassium phytate, epoxy resin and solvent according to the above quality.

[0073] S102: Add potassium phytate, epoxy resin and solvent into the ball mill, control the temperature of the ball mill to 15° C., control the rotational speed of the ball mill to 300 r / min, and the time of the ball mill to 2.5 hours.

[0074] In the present embodiment, the application of the antirust agent to form a protective coating on the surface of the rusty substrate comprises the following steps:

[0075] S201: Filtrate the a...

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Abstract

The invention relates to an antirust agent, and a preparation method and application thereof. The antirust agent is prepared from, by mass, 2-8 parts of potassium phytate, 25-35 parts of epoxy resin and 8-15 parts of a solvent. In the raw materials of the antirust agent, through cooperation of the potassium phytate, the epoxy resin and the solvent, the antirust agent which has good permeability to a rust layer on the surface of a base material and can form a protective coating with a stable and compact structure on the rust layer and the surface of the base material can be formed. When the antirust agent is used, a stable and compact protective coating can be formed on the surface of a rusty base material without strict and complex surface pretreatment on the surface of the rusty base material, so that the difficulty of pretreatment on the surface of the rusty base material is effectively reduced, and the construction requirement is simplified. In addition, the antirust agent in the embodiment has good permeability on the surface of the rusty base material, and can well permeate into a rusty layer to achieve a better protection effect.

Description

technical field [0001] The invention relates to the field of antirust technology, in particular to an antirust agent and its preparation method and application. Background technique [0002] The corrosion of the base material is an important factor affecting the performance of the base material, and it is also an important source of the increase in the scrap cost of the base material. Usually, the rusted base material is a metal base material, which is prone to rust when the metal base material is subjected to moisture erosion and oxidation reaction in the external environment. In order to reduce the degree of corrosion of the substrate, it is more effective to form a protective coating on the surface of the substrate. However, in traditional methods, when a protective coating is formed on the surface of a corroded substrate, strict and complicated surface pretreatment is required on the surface of the substrate, so that the surface of the substrate meets the conditions for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D7/63C09D5/08C09D7/20
CPCC09D163/00C09D7/63C09D5/08C09D7/20C08K5/521
Inventor 王荣祥张博刘丽红王春辉龚雨荷
Owner CHINA ELECTRONICS PROD RELIABILITY & ENVIRONMENTAL TESTING RES INST