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Water-resistant and salt-resistant anticorrosive paint

An anti-corrosion coating and salt-resistant technology, applied in anti-corrosion coatings, coatings, etc., can solve problems such as high cost, poor anti-corrosion performance, and poor antibacterial effect, and achieve the effects of reducing corrosion, improving anti-corrosion performance, and good electrical conductivity

Inactive Publication Date: 2020-06-26
JIANGSU KEHUAN INNOVATIVE MATERIAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This technical solution overcomes the problems of poor antibacterial effect, high cost, and poor anti-corrosion performance in oil pipelines currently on the market.

Method used

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  • Water-resistant and salt-resistant anticorrosive paint

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The invention discloses a water-salt-resistant anti-corrosion coating, which comprises a primer coating and a surface coating. The surface coating is composed of A component and B component, and A component is composed of the following parts by mass: 35 parts of hydroxyacrylic acid, 0.3 parts of emulsified methyl silicone oil, 0.3 parts of silicone leveling agent, 15 parts of hydrophobic fumed silica, 30 parts of fibrous talcum powder, 15 parts of nano-silicon carbide, 5 parts of polyester resin, 0.8 parts of hindered amine, ultraviolet light Absorber UV-P 0.8 parts, butyl acetate 2 parts, organosilane coupling agent KH-550 0.5 parts; B component consists of the following parts by mass: polyamide resin 70 parts, polyketone 10 parts, paraformaldehyde 12 parts parts, wherein the mass ratio of component A to component B is 3:1.

[0019] The primer is composed of component C and component D, and component C is composed of the following mass fractions: 35 parts of bisphenol ...

Embodiment 2

[0021] The invention discloses a water-salt-resistant anti-corrosion coating, which comprises a primer and a surface coating, the surface coating is composed of A component and B component, and the A component is composed of the following parts by mass: 40 parts of hydroxyacrylic acid, 0.5 parts of polyether defoamer, 0.5 parts of fluorocarbon leveling agent, 20 parts of hydrophobic fumed silica, 28 parts of fibrous talcum powder, 15 parts of nano-silicon carbide, 5 parts of polyester resin, hindered amine 1 part, 1 part of ultraviolet absorber UV-O, 3 parts of butyl acetate, 0.5 part of organic silane coupling agent KH-560; component B consists of the following parts by mass: polyamide resin 75 parts, polyketone 15 parts, 10 parts of paraformaldehyde, wherein the mass ratio of component A to component B is 3.5:1.

[0022] The primer is composed of components C and D, and component C is composed of the following mass fractions: 38 parts of bisphenol A epoxy resin, 0.6 parts of...

Embodiment 3

[0024]A water-salt-resistant anti-corrosion coating, including a primer and a top coat, the top coat is composed of A component and B component, and A component is composed of the following parts by mass: 45 parts of hydroxyacrylic acid, polysiloxane 0.6 parts of defoamer, 0.6 parts of acrylate leveling agent, 25 parts of hydrophobic fumed silica, 25 parts of fibrous talcum powder, 10 parts of nano-silicon carbide, 5 parts of polyester resin, 0.9 parts of hindered amine, ultraviolet absorber 0.9 parts of UV-9, 4 parts of butyl acetate, 0.6 parts of a mixture of organosilane coupling agent KH-550 and organosilane coupling agent KH-560; component B consists of the following parts by mass: 80 parts of polyamide resin , 20 parts of polyketones, and 8 parts of paraformaldehyde, wherein the mass ratio of component A to component B is 4:1.

[0025] The primer is composed of components C and D, and component C is composed of the following mass fractions: 40 parts of bisphenol A epoxy ...

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Abstract

The invention discloses a water-resistant salt-resistant anticorrosive paint which comprises a bottom paint and a surface paint. The surface paint is composed of a component A and a component B. The component A comprises hydroxy acrylic acid, fibrous talcum powder, nano silicon carbide and other components; the component B comprises polyamide resin, polyketone and other components. The bottom paint is composed of a component C and a component D; the component C comprises bisphenol A epoxy resin, white carbon black, alkyd resin functional groups and the like; and the component D comprises polyether amine, graphene, nano silicon carbide, styrene and the like. The paint prepared by the invention is suitable for internal corrosion protection of various finished oil tanks, oil pipelines, sewagetanks and sewage pipelines and corrosion protection of various indoor steel structures; the preparation process is simple, the anti-corrosion period reaches more than ten years; and the paint not only can be used for coastal and marine environments, but also can be used for chemical engineering and atmospheric corrosion environments.

Description

technical field [0001] The invention belongs to the technical field of maintenance of oil and gas pipelines, and in particular relates to a high-temperature-resistant, water-resistant and salt-resistant anti-corrosion coating for oil and gas pipelines. Background technique [0002] Crude oil pipeline is an indispensable facility in the process of oil storage, transportation and processing. More than 65% of my country's crude oil production is transported by oil pipelines. Its normal operation plays an important role in the safety, stability and long-term operation of the entire petrochemical system. However, in the process of operation, it is often corroded by internal and external environmental media, which seriously threatens the safe operation of the pipeline and the quality of the transported oil. Oil pipelines currently on the market usually adopt the method of coating coating to realize the improvement of the anti-corrosion performance of oil pipelines. For example, pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/06C09D4/02C09D5/08C09D7/61C09D7/63
CPCC09D4/06C09D5/08C09D7/61C09D7/63C09D7/70
Inventor 曲作鹏王海军曾宪峰田欣利
Owner JIANGSU KEHUAN INNOVATIVE MATERIAL CO LTD
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