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Water-based environment-friendly anti-corrosion composite material and preparation method thereof

A composite material, anti-corrosion technology, applied in anti-corrosion coatings, alkali metal silicate coatings, coatings, etc., can solve the problems of coating whitening, corrosion, coating system bubbling, etc., to improve construction technology, improve The effect of flexibility

Inactive Publication Date: 2019-07-19
北京中天正源生态科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

(3) A large amount of Zn powder in the coating is easily exposed to Cl - Corrosion of ions, resulting in whitening of the coating or bubbling of the supporting coating system

Method used

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  • Water-based environment-friendly anti-corrosion composite material and preparation method thereof
  • Water-based environment-friendly anti-corrosion composite material and preparation method thereof
  • Water-based environment-friendly anti-corrosion composite material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] (1) Take out by weighing 8kg aluminum tripolyphosphate, 20kg zinc powder, 15kg ferrophosphorus and 5kg ferro-titanium powder into a dry powder mixing pulverizer and mix and stir for 15min at a speed of 1500rpm to obtain material component A;

[0059] (2) Weigh 45kg of liquid sodium silicate with a modulus of 3.5, and add 10kg of silicon-acrylic emulsion, 0.4kg of FX600 wetting and dispersing agent, 0.2kg of XWC-9155 defoamer and 0.05kg of BYK-333 leveling agent in turn under the condition of stirring at 250rpm , after continuing to stir for 15 minutes, material component B was obtained;

[0060] (3) Pour the prepared material component A into component B while stirring, and stir evenly to make the material;

[0061] (4) Regulate the viscosity of material with 10kg water to be 17s;

[0062] (5) Then filter the viscosity-adjusted material with a 200-mesh screen to finally obtain a water-based environment-friendly anti-corrosion material;

[0063] (6) Prepare the coating...

Embodiment 2

[0067] (1) Weigh 10kg of zinc tripolyphosphate, 15kg of zinc powder, 6kg of glass flakes, and 10kg of iron-titanium powder into a dry powder mixing pulverizer and mix and stir for 20 minutes at a speed of 1000 rpm to obtain material component A;

[0068] (2) Weigh 30kg of liquid potassium silicate with a modulus of 3.0, add 6kg of silicon-acrylic emulsion, 1kg of fluorocarbon emulsion, 0.01kg of BYK-154 wetting and dispersing agent, and 0.15kg of BYK-028 defoamer under the condition of 500rpm stirring , 0.25kg BYK-333 water-based leveling agent, after continuing to stir for 20min, obtain material component B;

[0069] (3) Pour the prepared material component A into component B while stirring, and stir evenly to make the material;

[0070] (4) Regulate the viscosity of material with 20kg water to be 20s;

[0071] (5) Then filter the viscosity-adjusted material with a 200-mesh screen to finally obtain a water-based environment-friendly anti-corrosion material;

[0072] (6) Pre...

Embodiment 3

[0076] (1) Take by weighing 8kg composite zinc phosphate powder, put 30kg zinc powder and 10kg ferrophosphorus into a dry powder mixing pulverizer and take it out after mixing and stirring at a speed of 3000rpm for 10min to obtain material component A;

[0077] (2) Weigh 80 kg of liquid lithium silicate with a modulus of 3.5, add 0.35 kg of FX365 wetting and dispersing agent, 0.3 kg of DC-65 defoamer and 0.015 kg of HY307 leveling agent successively under the stirring condition of 2000 rpm, and continue stirring for 10 minutes. Obtain material component B;

[0078] (3) Pour the prepared material component A into component B while stirring, and stir evenly to make the material;

[0079] (4) Regulate the viscosity of material with 25kg water to be 30s;

[0080] (5) Then filter the viscosity-adjusted material with a 120 mesh screen to finally obtain a water-based environment-friendly anti-corrosion material;

[0081] (6) Prepare the coating on the surface of the protected workp...

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Abstract

The invention provides a water-based environment-friendly anti-corrosion composite material and a preparation method thereof. The material comprises the following components in percentage by mass: 5-20% of curing agent, 10-40% of anti-corrosion filler, 20-70% of liquid silicate, 0-15% of water-based emulsion and 0.1-2% of material additive. The preparation method comprises the following steps: firstly, preparing a composite filler from a curing agent and an anti-corrosion filler to obtain a solid composition A, then preparing a liquid composition B from liquid silicate, a water-based emulsionand a material additive, and uniformly mixing the solid composition A and the liquid composition B in proportion to obtain the material. A coating is prepared by spraying, brush coating, dip-coating or roller coating, and is cured for 24 hours or more at normal temperature, so that a long-acting anti-corrosion coating can be obtained. The material reduces the content of zinc powder, is excellent in corrosion resistance, and can effectively solve the problem of corrosion of a metal component in a corrosive environment.

Description

technical field [0001] The invention relates to an anti-corrosion technology for metal materials, in particular to a water-based environment-friendly anti-corrosion composite material and a preparation method thereof. Background technique [0002] According to statistics, the loss caused by various corrosions to human beings accounts for about 1% to 5% of the GDP of all countries in the world, and about 1 ton of steel is corroded into rust every 90 seconds in the world. On the other hand, the energy required to manufacture 1 ton of steel is roughly equal to the consumption of an average Chinese family for three months. Iron and steel materials have the advantages of excellent toughness, strength, stiffness, machinability, and low cost. They are important structural materials and are widely used in various industries such as electric power, automobiles, ships, construction, and household use. However, the corrosion resistance of ordinary steel is very poor, and it will be se...

Claims

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Application Information

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IPC IPC(8): C09D1/04C09D5/08C09D5/10
CPCC09D1/04C09D5/084C09D5/106
Inventor 张道春刘娟
Owner 北京中天正源生态科技有限公司
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