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Anticorrosive coating

A technology for anti-corrosion coatings and pigments, applied in the field of coatings, can solve the problems of poor anti-corrosion effect, prevent metal corrosion, poor high temperature tolerance, etc., and achieve the effects of reducing moisture absorption, improving corrosion resistance and low cost

Inactive Publication Date: 2018-12-18
福州开发区兴清供销公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing anti-corrosion coatings have poor anti-corrosion effect, poor tolerance to high temperature, and cannot prevent metal corrosion in harsh environments

Method used

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  • Anticorrosive coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 50 parts of 4-vinyl epoxycyclohexane, 0.5 parts of dialkoxy coupling agent, 1 part of methyl silicone resin, 1 part of silicone, 1 part of carboxylate, 2 parts of talc, 8 parts of iron red powder , 21 parts of high-boiling aromatic hydrocarbon solvents.

Embodiment 2

[0021] 95 parts of 3,4-epoxycyclohexyl methyl methacrylate, 8 parts of dialkoxy coupling agent, 7 parts of silicone polyester resin, 2 parts of silicone, 2 parts of sulfate ester salt, 10 parts of kaolin, 15 parts of iron red powder, 50 parts of xylene and high boiling point aromatic hydrocarbon solvent.

Embodiment 3

[0023] 75 parts of dicyclopentadiene epoxy, 4.5 parts of dialkoxy type coupling agent, 3.6 parts of epoxy modified silicone resin, 1.5 parts of silicone, 1.5 parts of phosphate salt, 5 parts of talc, 11 parts Iron red powder, 34 parts xylene and high boiling point aromatic hydrocarbon solvent.

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Abstract

The invention discloses an anticorrosive coating, which is prepared by the following raw materials in parts by weight: 50-95 parts of alicyclic epoxy resin, 0.5-8 parts of a silane coupling agent, 1-7parts of a silicone intermediate, 1-2 parts of an antifoaming agent, 1-2 parts of a dispersing agent, 2-10 parts of a filler, 8-15 parts of a pigment, and 21-50 parts of a solvent. The silane coupling agent of the anticorrosive coating participates in the copolymerization of the alicyclic epoxy resin, improves the structural stability of the polymer, improves the corrosion resistance of the paintand the adhesion to an inorganic substrate, avoids spalling due to paint expansion at high temperature, and prolongs the protection period of the coating; the silicone intermediate is added, a silicon-oxygen bond is introduced into the structure, the heat resistance stability of the coating is increased, the hygroscopicity of the coating is reduced, and the coating has low cost and good performance.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to an anti-corrosion coating. Background technique [0002] Metal corrosion is the result of chemical or electrochemical reactions between the surface of the metal and the medium in the surrounding environment from the surface to the inside, causing the metal to be damaged and lose its original properties. Metal rusting is the most common form of corrosion. During corrosion, a chemical or electrochemical heterogeneous reaction occurs at the interface of the metal, which turns the metal into an oxidized (ionic) state. This will significantly reduce the mechanical properties of metal materials such as strength, plasticity, and toughness, destroy the geometry of metal components, increase wear between parts, deteriorate electrical and optical physical properties, shorten the service life of equipment, and even cause disasters such as fire and explosion. sex accident. Therefore how to prevent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D7/63C09D7/65C09D7/61
CPCC08L2201/08C09D5/08C09D7/61C09D7/63C09D7/65C09D163/00C08L83/04C08K13/02C08K3/34C08L67/00C08K3/346C08L83/06
Inventor 曹仕镛
Owner 福州开发区兴清供销公司
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