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Method of preparing water resistant inorganic zinc-rich paint by adding zirconium carbonate hardener

A technology of inorganic zinc-rich coatings and hardeners, used in alkali metal silicate coatings, anti-corrosion coatings, etc., can solve problems such as poor water resistance, slow curing speed, and inability to form films in time, achieve uniform particle size distribution, improve early The effect of water resistance

Inactive Publication Date: 2018-07-17
李玉秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is that the curing speed of the silicate water-based inorganic zinc-rich paint liquid material component is slow, and the film cannot be formed in time, resulting in the problem of poor water resistance in the early stage of the paint. It is provided to add a zirconium carbonate hardener during the preparation of the paint. Accelerate the curing speed of the coating and improve the early water resistance of the paint film

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] In the present embodiment, the high-performance water-based inorganic zinc-rich paint comprises the following components:

[0028] Potassium silicate solution 10%

[0029] water 20%

[0030] Aluminum modified silica sol 34.5%

[0031] Trimethylbenzyl ammonium hydroxide catalyst 0.5%

[0032] Lauryl Glycolamide 5%

[0033] Isopropyldioctyl Tetraoleyl Phosphate Titanate 5%

[0034] Silicone acrylic emulsion 5%

[0035] Low lead zinc powder 19%

[0036] Zirconium Carbonate Hardener 1%.

[0037] The preparation method of above-mentioned waterborne inorganic zinc-rich paint comprises the steps:

[0038] (1) Take 100g of potassium silicate solution with a percentage concentration of 2% and pour it into a container, add 200g of water to stir, and heat up to 50°C;

[0039] (2) Then add 5g of trimethylbenzyl ammonium hydroxide catalyst, stir and reflux for 5h;

[0040] (3) Slowly add 345 g of aluminum-modified silica sol with a molar content of 0.5% dropwise, and stir a...

Embodiment 2

[0044] In the present embodiment, the high-performance water-based inorganic zinc-rich paint comprises the following components:

[0045] Potassium silicate solution 20%

[0046] water 15%

[0047] Aluminum modified silica sol 30%

[0048] Trimethylbenzyl ammonium hydroxide catalyst 2%

[0049] Lauryl Glycolamide 10%

[0050] Isopropyldioctyl Tetraoleyl Phosphate Titanate 8%

[0051] Silicone acrylic emulsion 5%

[0052] Low lead zinc powder 9%

[0053] Zirconium Carbonate Hardener 1%.

[0054] The preparation method of above-mentioned waterborne inorganic zinc-rich paint comprises the steps:

[0055] (1) Take 1000g of potassium silicate solution with a percentage concentration of 3% and pour it into a container, add 750g of water to stir, and heat up to 70°C;

[0056] (2) Finally, add 100g of trimethylbenzyl ammonium hydroxide catalyst, stir and reflux for 4h;

[0057] (3) Slowly add 1500 g of aluminum-modified silica sol with a molar content of 1%, stirring and refl...

Embodiment 3

[0061] In the present embodiment, the high-performance water-based inorganic zinc-rich paint comprises the following components:

[0062] Potassium silicate solution 10%

[0063] water 15%

[0064] Aluminum modified silica sol 40%;

[0065] Trimethylbenzyl ammonium hydroxide catalyst 3%

[0066] Lauryl Glycolamide 5%

[0067] Isopropyldioctyl Tetraoleyl Phosphate Titanate 7%

[0068] Silicone acrylic emulsion 10%

[0069] Low lead zinc powder 9.4%

[0070] Zirconium carbonate hardener 0.6%.

[0071] The preparation method of above-mentioned waterborne inorganic zinc-rich paint comprises the steps:

[0072] ⑴ Take 5000g of potassium silicate solution with a percentage concentration of 4% and pour it into a container, add 7500g of water to stir, and heat up to 60°C;

[0073] (2) Then add 1500g of trimethylbenzyl ammonium hydroxide catalyst, stir and reflux for 2h;

[0074] (3) Slowly add 20,000 g of aluminum-modified silica sol with a molar content of 2% dropwise, and s...

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Abstract

The invention relates to a method of preparing water resistant inorganic zinc-rich paint by adding a zirconium carbonate hardener. The paint is prepared by dropwise adding aluminum modified silicasolinto a low modulus potassium metasilicate solution to form a high modulus potassium metasilicate solution as an adhesive agent of the zinc-rich paint, adding a benzyltrimethylammonium hydroxide catalyst, dodecyl diol amide, isopropyl dioctyl tetra-oleophosphoric titanate and silicone acrylic emulsion to achieve uniform particle size distribution of the potassium metasilicate solution and no gelation reaction for a long time, and then adding the zirconium carbonate hardener to improve early water resistance of a paint film.

Description

technical field [0001] The invention relates to a coating, in particular to a water-based inorganic zinc-rich coating and a preparation method thereof, belonging to the field of coating chemical industry. Background technique [0002] The annual economic loss caused by steel corrosion in the world accounts for about 2%-4% of the GDP of each country, and more than 100 million tons of metals are scrapped due to corrosion. Steel corrosion will significantly reduce the mechanical properties of steel metal materials such as strength, plasticity, and toughness. Destroy the geometric shape of metal components, increase the wear between parts, deteriorate the physical properties such as electricity and optics, shorten the service life of equipment, and even cause catastrophic accidents such as fire and explosion. [0003] Zinc-rich anti-corrosion coatings are widely used. Zinc-rich anti-corrosion coatings can not only isolate air, but also form primary battery protection. Zinc-rich...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D5/10C09D7/61
Inventor 李玉秀
Owner 李玉秀
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