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Double modified functional coating

A technology of functional coatings and modifiers, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of less solvent, zinc powder sedimentation, and affecting product quality, and achieve good overall performance

Inactive Publication Date: 2016-11-16
黄子芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Water-based inorganic zinc-rich coatings have the advantages of no peculiar smell, non-flammable, non-explosive, and no environmental pollution due to their absence of organic solvents. overall product quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Pour 50g of lithium silicate solution and 50g of potassium silicate solution into a container respectively, mix them and heat them. The heating temperature is controlled at about 70°C and stirred continuously with a stirrer. During the stirring process, slowly add 300g of silica sol dropwise. After the dropwise addition, add 20g of fatty alcohol polyethylene oxide ether surfactant and 30g of silane coupling agent to the container successively, increase the stirring speed, and mix well. Finally, lower the temperature of the system to room temperature, then add 250g of silicon acrylic emulsion, and finally add 300g of ultrafine zinc powder, and keep stirring for 30 minutes to obtain the product.

Embodiment 2

[0028] Pour 100g of lithium silicate solution and 100g of potassium silicate solution into a container respectively, mix them and heat them. The heating temperature is controlled at about 75°C and stirred continuously with a stirrer. During the stirring process, slowly add 200g of silica sol dropwise. After the dropwise addition, add 50g of fatty alcohol polyethylene oxide ether surfactant and 50g of silane coupling agent to the container successively, increase the stirring speed, and mix well. Finally, lower the temperature of the system to room temperature, then add 200g of silicon acrylic emulsion, and finally add 300g of ultrafine zinc powder, and keep stirring for 40 minutes to obtain the product.

Embodiment 3

[0030] Pour 200g of lithium silicate solution and 200g of potassium silicate solution into a container respectively, mix them and heat them. The heating temperature is controlled at about 80°C and stirred continuously with a stirrer. During the stirring process, slowly add 400g of silica sol dropwise. After the dropwise addition, add 100g of fatty alcohol polyethylene oxide ether surfactant and 100g of silane coupling agent to the container successively, increase the stirring speed, and mix well. Finally, lower the temperature of the system to room temperature, then add 400g of silicon acrylic emulsion, and finally add 600g of ultrafine zinc powder, and keep stirring for 60 minutes to obtain the product.

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PUM

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Abstract

The invention relates to a zinc-enriched waterborne anticorrosive functional coating added with a modifier and a preparation process of the functional coating. The process comprises the following steps: mixing and heating a lithium silicate solution and a potassium silicate solution, and then adding a fatty alcohol polyoxyethylene ether surfactant and a silane coupling agent to a container under the stirring condition, stirring at a high speed and mixing uniformly, cooling to room temperature, then adding a silicone acrylic emulsion, and finally adding ultra-fine zinc powder, and stirring for a period of time to obtain a product.

Description

technical field [0001] The invention relates to a zinc-rich water-based anti-corrosion functional coating, in particular to a zinc-rich water-based anti-corrosion functional coating added with a modifier and a preparation process thereof, belonging to the field of coating processing. Background technique [0002] With the advancement of science and technology, coatings are more and more widely used in daily life, especially functional coatings, such as metal anti-corrosion coatings. continuous solid film. [0003] Metal materials are damaged by the action of the surrounding medium, which is called metal corrosion. Metal corrosion is an important factor affecting the shortening of metal life. According to statistics, more than 100 million tons of metal are scrapped due to corrosion every year in the world, and the annual loss of steel due to metal corrosion accounts for about 10-20% of the steel output of the year. Metal corrosion Indirect losses such as production stoppage...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D5/10C09D7/12
CPCC09D143/04C08K2201/014C09D5/106C09D7/61C09D7/63C09D7/65C08L71/02C08K13/02C08K3/34C08K2003/0893C08K3/36
Inventor 黄子芳
Owner 黄子芳