Transforming anti-corrosion enhanced coating for absorbing environmental corrosive substances

An environmental corrosion and anti-corrosion technology, which is applied in the direction of anti-corrosion coatings, epoxy resin coatings, rubber derivative coatings, etc., can solve problems such as difficult to reach the design service life, unsatisfactory anti-corrosion effect, difficult construction, etc., to improve mechanical properties. Performance and anti-corrosion performance, increased chlorine content of resin, effect of dense coating film

Inactive Publication Date: 2010-05-19
贵阳神迪科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of solvent volatilization, residual voids and osmotic pressure, substances released from the working environment such as hydrogen halide and halogen elemental gas (especially chlorine gas) have extremely high penetration and strong corrosiveness, making the anti-corrosion effect not ideal. At the same time, the construction is difficult, and the disadvantages and defects of the paint film during construction lead to the destruction of the interior of the film-forming resin and the bond between the film-forming resin and the substrate and are quickly corroded, making it difficult to meet the design service life requirements.

Method used

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  • Transforming anti-corrosion enhanced coating for absorbing environmental corrosive substances
  • Transforming anti-corrosion enhanced coating for absorbing environmental corrosive substances

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Mix 20kg of 50% chlorinated rubber xylene resin solution and 30kg of 50% oleic acid epoxy ester xylene solution with 60% oil, add 10kg of iron-titanium material, 10kg of titanium dioxide, 13kg of precipitated barium sulfate, and disperse at high speed for 1 hour After dispersing evenly, grind until the fineness is less than 25 μm, add the remaining 4.2kg of additives, and stir evenly to prepare the finished anti-corrosion enhanced coating for absorbing environmental corrosive substances.

Embodiment 2

[0024] Acrylic resin 10kg, perchloroethylene resin 20kg, octyl maleate 5kg, 6101 epoxy diacrylate 20kg, put into 10kg xylene respectively, butyl acetate 5kg, cyclohexanone 5kg, stir to dissolve completely, under low stirring Add 15kg of mica iron oxide red and 20kg of talcum powder respectively, stir at high speed for 1 hour, grind to a fineness of less than 30μm, add 3.2kg of additives, and stir evenly to obtain a finished product that absorbs environmental corrosive substances and transforms into an anti-corrosion enhanced coating.

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Abstract

The invention relates to an enhanced novel anti-corrosion coating, which contains a certain amount of non-aromatic pi-bonding substances in addition to a film-forming resin, wherein the non-aromatic pi-bonding substances can absorb corrosive substances (hydrogen halide, halogen gas and the like) in the environment and react with the corrosive substances to transform into a part of a film-forming substance, so the halogen content in a lacquer film is higher, empty spaces in the film are filled, and the void ratio, the water absorption and the penetrability of the film are greatly reduced to improve the corrosion resistance of the coating.

Description

technical field [0001] The invention relates to an anti-corrosion coating, in particular to a polymer compound containing non-aromatic π bonds in the coating film that can react with corrosive substances such as hydrogen halide and halogen monomer, and the halogen content of the resin in the final coating system Increase, the coating film is denser, which improves the mechanical properties and anti-corrosion properties of the coating film, and the absorption transformation anti-corrosion enhanced coating. Background technique [0002] In the chlor-alkali manufacturing industry, titanium chemical smelting, production and use, and factories that produce hydrogen halide and halogen elemental gas, the corrosion of plant equipment in the working environment of strong oxidants and hydrohalic acids has always brought great trouble to anti-corrosion work. Thickening, multi-channel construction and PE, PVC shrink film coating have achieved certain results. However, due to the influe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D5/08C09D115/02C09D191/00C09D133/00C09D127/24C09D163/00
Inventor 张建新刘应科汪静刘明伟张云贵
Owner 贵阳神迪科技有限公司
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