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Anticorrosion paint comprising a benzenesulfonic acid/calcium stearate composite stabilizing agent

A composite stabilizer, calcium stearate technology, used in anti-corrosion coatings, coatings, etc., can solve the problems of easy sedimentation of zinc powder, less solvent, and poor adhesion.

Inactive Publication Date: 2016-11-30
吴房文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Water-based inorganic zinc-rich paint has the advantages of no odor, non-flammable, non-explosive, and no environmental pollution due to its absence of organic solvents. However, due to less solvent and low wettability, the adhesion is not as good as the corresponding solvent-based paint, and zinc powder In the coating, due to the poor wettability of zinc powder, zinc powder is easy to settle, which affects product quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] First pour 200g of sodium silicate solution into a heatable container, heat it in a water bath, and heat it to 60°C, then add 100g of silicon acrylic emulsion to the container, and keep stirring until it is uniform, then stop heating, and then add to the container 30g titanate coupling agent, stir at high speed until uniform, add 600g of 500 mesh ultra-fine zinc powder, stir continuously until uniform, then slowly add 30gMgCl 2 MgCl 2 Aqueous solution, finally add 20g of sodium dodecylbenzenesulfonate and 20g of calcium stearate successively, and stir thoroughly to obtain the product.

Embodiment 2

[0028] First pour 500g of sodium silicate solution into a heatable container, heat it in a water bath, and heat it to 65°C, then add 200g of silicon acrylic emulsion to the container, and keep stirring until it is uniform, then stop heating, and then add to the container 100g titanate coupling agent, stir at high speed until uniform, add 1000g of 600 mesh ultra-fine zinc powder, stir continuously until uniform, then slowly add 80gMgCl 2 MgCl 2 Aqueous solution, finally add 60g of sodium dodecylbenzene sulfonate and 60g of calcium stearate successively, and stir thoroughly to obtain the product.

Embodiment 3

[0030] First pour 1500g of sodium silicate solution into a heatable container, heat it in a water bath, and heat it to 75°C, then add 750g of silicon acrylic emulsion into the container, and keep stirring until it is uniform and stop heating, then add 150g into the container Titanate coupling agent, stir at high speed until uniform, add 2550g of 700 mesh ultra-fine zinc powder, stir continuously until uniform, then slowly add 150gMgCl 2 MgCl 2 Aqueous solution, finally add 100g of sodium dodecylbenzene sulfonate and 100g of calcium stearate successively, and stir well to obtain the product.

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PUM

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Abstract

The invention relates to anticorrosion paint comprising a benzenesulfonic acid / calcium stearate composite stabilizing agent. The paint comprises 20-30% of sodium silicate, 45-60% of ultrafine zinc powder, 10-20% of silicone-acrylic emulsion, 3-5% of a titanate coupling agent, 3-4% of an aqueous MgCl2 solution, 2-3% of zinc stearate and 2-3% of sodium dodecyl benzene sulfonate. The prepared anticorrosion paint has excellent properties, such as good stability and no material grain settlement.

Description

technical field [0001] The invention relates to an anti-corrosion paint and a preparation process thereof, in particular to an anti-corrosion paint added with sodium dodecylbenzenesulfonate and calcium stearate stabilizers and a preparation process thereof, belonging to the field of paint synthesis. Background technique [0002] With the increasingly widespread use of steel, steel anti-corrosion has also received more and more attention and research. Many anti-corrosion paint products continue to appear. Generally, anti-corrosion paint uses anti-corrosion coatings to isolate the protected material from external corrosive substances, but the anti-corrosion effect Not strong, corrosion protection time is not long. Therefore, zinc-rich anti-corrosion paints are attracting more and more attention. Zinc-rich paints contain a large amount of zinc powder, and the zinc particles and the zinc particles are in close contact with the steel surface. The potential of zinc is more negativ...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D5/10C09D7/12
CPCC08K3/08C08K3/34C08K5/098C08K5/42C08K13/02C08K2003/0893C09D5/106C09D7/61C09D7/63C09D143/04
Inventor 吴房文
Owner 吴房文