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Zinc-rich anticorrosion coating

An anti-corrosion coating, zinc-rich technology, used in anti-corrosion coatings, conductive coatings, epoxy resin coatings, etc., can solve the problems of poor electrical conductivity and poor shielding effect of zinc powder, and achieve enhanced electrical conductivity, excellent corrosion resistance, The effect of improving adhesion and mechanical strength

Inactive Publication Date: 2018-06-22
YIWU INDAL & COMMERICAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to overcome the poor conductivity of organic polymers in zinc-rich coatings and the poor shielding effect of zinc powder in the prior art, and provide a method that can improve the conductivity of polymers and improve the impact of zinc-rich coatings on metal substrates. A zinc-rich anti-corrosion coating

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0041] A zinc-rich anti-corrosion coating, the zinc-rich anti-corrosion coating is mainly composed of A component and B component with a mass ratio of 3.5:1, wherein,

[0042] The A component includes the following components in terms of mass fraction: 100 parts of inorganic nano-zinc powder, 45 parts of bisphenol S epoxy resin, 20 parts of fumed white carbon black, 10 parts of novolac epoxy resin, hydrogenated bisphenol A 15 parts of type epoxy resin, 5 parts of tetrabromobisphenol A resin, 6 parts of diglycidyl phthalate and 0.5 parts of leveling agent;

[0043] The B component includes the following components in terms of mass fraction: 50 parts of ammonia-based silicone oil, 15 parts of polyaniline, 5 parts of graphene microchips, 5 parts of boron-containing polysilane, 1 part of defoaming agent, and 0.5 parts of iodine crystal And 3 parts of wetting and dispersing agent.

Embodiment 2

[0045] A zinc-rich anti-corrosion coating, the zinc-rich anti-corrosion coating is mainly composed of A component and B component with a mass ratio of 6:1, wherein,

[0046] The A component includes the following components in terms of mass fraction: 100 parts of inorganic nano-zinc powder, 75 parts of bisphenol S epoxy resin, 35 parts of fumed white carbon black, 25 parts of novolac epoxy resin, hydrogenated bisphenol A 20 parts of type epoxy resin, 10 parts of tetrabromobisphenol A resin, 15 parts of diglycidyl phthalate and 1.5 parts of leveling agent;

[0047] The B component includes the following components in terms of mass fractions: 65 parts of ammonia-based silicone oil, 25 parts of polyaniline, 10 parts of graphene microchips, 8 parts of boron-containing polysilane, 3 parts of defoaming agent, and 0.5 parts of iodine crystal And 5 parts of wetting and dispersing agent.

Embodiment 3

[0049] A zinc-rich anti-corrosion coating, the zinc-rich anti-corrosion coating is mainly composed of A component and B component with a mass ratio of 4:1, wherein,

[0050] The A component includes the following components in terms of mass fraction: 100 parts of inorganic nano-zinc powder, 55 parts of bisphenol S epoxy resin, 25 parts of fumed white carbon black, 10 parts of novolac epoxy resin, hydrogenated bisphenol A 18 parts of type epoxy resin, 5 parts of tetrabromobisphenol A resin, 6 parts of diglycidyl phthalate and 0.5 parts of leveling agent;

[0051] The B component includes the following components in terms of mass fractions: 55 parts of ammonia-based silicone oil, 18 parts of polyaniline, 8 parts of graphene microchips, 5 parts of boron-containing polysilane, 2 parts of defoaming agent, and 0.5 parts of iodine crystal And 3 parts of wetting and dispersing agent.

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Abstract

The invention discloses a zinc-rich anticorrosion coating. The zinc-rich anticorrosion coating is mainly prepared from a mixture of a component A and a component B in a mass ratio being (3.5-6):1, wherein the component A comprises the following raw materials in parts by mass: 100 parts of inorganic nano-zinc powder, 45-75 parts of bisphenol S epoxy resin, 20-35 parts of fumed silica, 10-25 parts of phenolic epoxy resin, 15-20 parts of hydrogenated bisphenol A epoxy resin, 5-10 parts of tetrabromobisphenol A resin, 6-15 parts of diglycidyl ortho-phthalate and 0.5-1.5 parts of a leveling agent;the component B comprises the following raw materials in parts by mass: 50-65 parts of aminohydrocarbyl silicone oil, 15-25 parts of polyaniline, 5-10 parts of graphene nanoplatelets, 5-8 parts of boron-containing polysilane, 1-3 parts of a defoaming agent and 3-5 parts of a wetting and dispersing agent. The coating has the following beneficial effects: (1) electrical conductivity of polymers in the coating is enhanced; (2) corrosion resistance is excellent; (3) physical properties of the coating are good.

Description

technical field [0001] The invention relates to a paint, in particular to a zinc-rich anticorrosion paint. Background technique [0002] Organic zinc-rich coatings: organic zinc-rich coatings often use epoxy resins, chlorinated rubber, vinyl resins and polyurethane resins as film-forming base materials. The most commonly used is epoxy zinc-rich paint, among which polyamide cured epoxy zinc-rich primer is the most widely used variety in organic zinc-rich primer. The SSPC Paint-20 of the American Steel Structure Coating Association stipulates that the zinc powder of organic zinc-rich coatings should account for no less than 77% of the dry film mass, and the zinc powder of inorganic zinc-rich coatings should account for no less than 74% of the dry film mass. The film is conductive. In addition, the bonding property of organic resin is better than that of inorganic resin, which also provides a better guarantee for the adhesion of high-content zinc powder. [0003] The main an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D163/04C09D183/08C09D179/08C09D5/10C09D5/24C09D7/61C08G77/26C08G79/08
Inventor 朱堂葵黄剑峰刘沛龙
Owner YIWU INDAL & COMMERICAL COLLEGE
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