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Water-based phenolic aldehyde epoxy graphene anticorrosion primer and preparation method thereof

A technology of water-based phenolic epoxy and anti-corrosion primer, which is applied in the field of coatings, can solve the problems of anti-corrosion coating impermeability, protection performance, mechanical strength and service life limit, and achieve the effect of improving protection performance and water resistance

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

In general, the use environment in these fields is relatively harsh, and the metal is immersed in acidic solution (environment) or seawater for a long time, and the impermeability, protection performance, mechanical strength and service life of the anti-corrosion coating are limited

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A water-based phenolic epoxy graphene anti-corrosion primer, which is composed of A component and B component in a weight ratio of 5:2, and A component includes in parts by weight: 15 parts of water-based epoxy curing agent, 10 parts of titanium dioxide, 1 part of water-based aluminum silver paste, 0.2 parts of carbon black, 1 part of graphene, 10 parts of nano-barium sulfate, 5 parts of water-based zinc phosphate, 15 parts of iron-titanium powder, 0.3 parts of dispersant, 0.1 part of defoamer, 0.1 part of antifoaming agent 1 part, 2 parts of co-solvent, 0.1 part of wetting agent, 0.5 part of neutralizer, 2 parts of water-based polyamide wax slurry, 0.5 part of anti-flash rust agent, 30 parts of deionized water; component B is water-based phenolic epoxy resin emulsion .

[0036] The co-solvent is ethylene glycol monobutyl ether.

[0037] The preparation method of above-mentioned water-based phenolic epoxy graphene anticorrosion primer, wherein, A component is prepared ...

Embodiment 2

[0039] A water-based phenolic epoxy graphene anti-corrosion primer, which is composed of A component and B component in a weight ratio of 5:4, and A component includes in parts by weight: 19 parts of water-based epoxy curing agent, 12 parts of titanium dioxide, 2 parts of water-based aluminum silver paste, 0.5 parts of carbon black, 2 parts of graphene, 17 parts of nano-barium sulfate, 11 parts of water-based zinc phosphate, 17 parts of iron-titanium powder, 0.3 parts of dispersant, 0.1 part of defoamer, 0.2 parts of antifoaming agent 2.8 parts of co-solvent, 0.1 part of wetting agent, 0.6 part of neutralizing agent, 3 parts of water-based polyamide wax slurry, 0.8 part of anti-flash rust agent, 37 parts of deionized water; component B is water-based novolac epoxy resin emulsion .

[0040] The co-solvent is ethylene glycol monobutyl ether.

[0041] The preparation method of above-mentioned water-based phenolic epoxy graphene anticorrosion primer, wherein, A component is prepa...

Embodiment 3

[0043] A water-based phenolic epoxy graphene anti-corrosion primer, which is composed of A component and B component in a weight ratio of 5:1, and A component includes in parts by weight: 19 parts of water-based epoxy curing agent, 11 parts of titanium dioxide, 2 parts of water-based aluminum silver paste, 0.4 parts of carbon black, 3 parts of graphene, 13 parts of nano-barium sulfate, 8 parts of water-based zinc phosphate, 18 parts of iron-titanium powder, 0.4 parts of dispersant, 0.1 part of defoamer, 0.2 parts of antifoaming agent 3.2 parts of co-solvent, 0.1 part of wetting agent, 0.6 part of neutralizing agent, 3 parts of water-based polyamide wax slurry, 0.8 parts of anti-flash rust agent, 45 parts of deionized water; component B is water-based novolac epoxy resin emulsion .

[0044] The co-solvent is ethylene glycol monobutyl ether.

[0045]The preparation method of above-mentioned water-based phenolic epoxy graphene anticorrosion primer, wherein, A component is prepar...

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PUM

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Abstract

The invention provides water-based phenolic aldehyde epoxy graphene anticorrosion primer and a preparation method thereof. The primer is prepared from a component A and a component B, and the component A comprises water-based epoxy curing agents, titanium dioxide, water-based aluminum paste, carbon black, graphene, nano-barium sulfate, water-based zinc phosphate, iron-titanium powder, dispersing agents, antifoaming agents, foam inhibitors, cosolvent, wetting agents, neutralizer, water-based polyamide wax liquor, flash-rust-proof agents and deionized water; the component B adopts water-based phenolic aldehyde epoxy resin emulsion. The preparation method comprises the steps that the component A is prepared first, and in the using process, the component A and the component B are mixed. According to the anticorrosion primer, due to the fact that the graphene is introduced, the properties of water resistance, acid resistance, alkali resistance, salt tolerance, acetone resistance and salt spray resistance of a coating are greatly promoted; it is indicated that after graphene oxide is introduced into the water-based phenolic aldehyde epoxy graphene anticorrosion primer, the protective property to the coating can be promoted, and the requirements of markets and industries are completely met.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a water-based phenolic epoxy graphene anticorrosion primer and a preparation method thereof. Background technique [0002] At present, about 30% of the steel in the world corrodes every year, and 10% of the steel becomes useless rust, and the annual economic loss due to corrosion is as high as 700 billion US dollars. Metal corrosion has caused direct economic loss and massive waste of resources to modern industry and national economy. Metal corrosion has caused serious damage to modern industry, not only causing serious direct losses, but also causing indirect losses that are difficult to estimate, and even endanger people's lives and property safety. [0003] For a long time, people have been using various technologies to protect metals. The common method is to coat the metal surface with anti-corrosion coatings. The principle is that it shows chemical inertness to corrosive m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/04C09D7/12C09D5/10
Inventor 江拥解宝盛徐艳
Owner JIANGSU HUAXIA PAINT MAKING
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