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Graphene-doped waterborne epoxy zinc-containing anti-corrosion primer and preparation method thereof

A technology of water-based epoxy and anti-corrosion primer, applied in the field of coatings, can solve problems such as difficult to meet anti-corrosion requirements, and achieve good drying performance

Active Publication Date: 2015-12-23
JIANGSU HUAXIA PAINT MAKING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Difficult to meet high anti-corrosion requirements

Method used

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  • Graphene-doped waterborne epoxy zinc-containing anti-corrosion primer and preparation method thereof

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Embodiment 1

[0036] A waterborne epoxy zinc-containing anticorrosion primer doped with graphene, composed of A component and B component in a weight ratio of 25:1, A component includes the following components in parts by weight: epoxy curing agent 15 parts, 8 parts of titanium dioxide, 2 parts of water-based aluminum silver paste, 40 parts of zinc powder, 2 parts of graphene, 10 parts of nano-barium sulfate, 7 parts of zinc phosphate, 5 parts of iron-titanium powder, 0.5 parts of dispersant, defoamer 0.2 parts, 0.1 parts of anti-foaming agent, 8.5 parts of co-solvent, 0.1 parts of wetting agent, 0.5 parts of neutralizing agent, 0.3 parts of hydrated magnesium silicate, 0.5 parts of organic bentonite, 0.5 parts of anti-flash rust agent, 5 parts of chlorinated polypropylene Parts, 100 parts of deionized water; B component is water-based epoxy resin emulsion.

[0037] The co-solvent is ethylene glycol monobutyl ether.

[0038] In the preparation method of the above graphene-doped waterborne...

Embodiment 2

[0040] A water-based epoxy zinc-containing anticorrosion primer doped with graphene, composed of A component and B component in a weight ratio of 15:1, A component includes the following components in parts by weight: epoxy curing agent 18 parts, 8 parts of titanium dioxide, 2 parts of water-based aluminum silver paste, 25 parts of zinc powder, 3.5 parts of graphene, 8 parts of nano-barium sulfate, 10 parts of zinc phosphate, 5 parts of iron-titanium powder, 0.3 parts of dispersant, defoamer 0.1 part, 0.2 part of antifoaming agent, 9 parts of cosolvent, 0.3 part of wetting agent, 0.6 part of neutralizing agent, 0.4 part of hydrated magnesium silicate, 0.4 part of organic bentonite, 0.8 part of anti-flash rust agent, 7 parts of chlorinated polypropylene Parts, 165 parts of deionized water; B component is water-based epoxy resin emulsion.

[0041] The co-solvent is ethylene glycol monobutyl ether.

[0042] In the preparation method of the above graphene-doped waterborne epoxy z...

Embodiment 3

[0044] A waterborne epoxy zinc-containing anticorrosion primer doped with graphene, composed of A component and B component in a weight ratio of 35:1, A component includes the following components in parts by weight: epoxy curing agent 20 parts, 10 parts of titanium dioxide, 1 part of water-based aluminum-silver paste, 32 parts of zinc powder, 5 parts of graphene, 5 parts of nano-barium sulfate, 5 parts of zinc phosphate, 10 parts of iron-titanium powder, 0.3 parts of dispersant, defoamer 0.2 parts, 0.2 parts of anti-foaming agent, 9 parts of co-solvent, 0.2 parts of wetting agent, 0.8 parts of neutralizing agent, 0.3 parts of hydrated magnesium silicate, 0.5 parts of organic bentonite, 0.8 parts of anti-flash rust agent, 8 parts of chlorinated polypropylene Parts, 180 parts of deionized water; B component is water-based epoxy resin emulsion.

[0045] The co-solvent is ethylene glycol monobutyl ether.

[0046]In the preparation method of the above graphene-doped waterborne ep...

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Abstract

The invention discloses graphene-doped waterborne epoxy zinc-containing anti-corrosion primer and a preparation method thereof. The primer is prepared from a component A and a component B; the component A is prepared from epoxy curing agents, titanium dioxide, waterborne aluminum paste, zinc powder, graphene, nano barium sulfate, zinc phosphate, iron titanium powder, dispersing agents, defoaming agents, foam inhibitors, cosolvent, wetting agents, neutralizers, hydrated magnesium silicate, organic bentonite, flush and corrosion preventing agents, chlorinated polypropylene and deionized water; waterborne epoxy resin emulsion is adopted as the B component. According to the preparation method of the primer, the component A and the component B are firstly prepared separately and then mixed in the using process. The graphene-doped waterborne epoxy zinc-containing anti-corrosion primer has the good drying performance, adhesive force, salt spray resistance and chemical resistance and can be applied to corrosion prevention of steel structures of oil pipelines, oil storage tanks, oil equipment, oil machinery, oil factories and the like.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a graphene-doped water-based epoxy zinc-containing anticorrosion primer and a preparation method thereof. Background technique [0002] The existing domestic composite anti-corrosion coating system is divided into primer, intermediate paint, topcoat or primer and topcoat. Among them, the main function of the primer is to lay a good foundation on the substrate, have good adhesion to the substrate, protect the substrate, and have anti-corrosion and anti-rust properties. [0003] In the coating system of railway freight cars in my country, solvent-based anti-corrosion primers are mainly used for the anti-corrosion of railway locomotives. Solvent-based anti-corrosion primers contain a large amount of organic volatiles, which will pollute the atmosphere and do not meet the current environmental protection requirements. Require. At the same time, a large amount of organic...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D123/28C09D5/10C09D7/12
Inventor 江拥解宝盛徐艳
Owner JIANGSU HUAXIA PAINT MAKING
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