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Zinc-rich paint employing lithium silicate and potassium silicate as base materials

A technology of zinc-rich paint and lithium silicate, applied in anti-corrosion coatings, coatings and other directions, can solve problems such as poor electrical conductivity, and achieve the effects of simple preparation process, good operability and good comprehensive performance

Inactive Publication Date: 2015-09-23
黄勇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the organic film formers of organic zinc-rich paints have poor electrical conductivity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 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 60°C, and stir continuously with a stirrer. During the stirring process, slowly add 300g of silica sol dropwise. After the dropwise addition, add 50g of silane coupling agent to the container and increase the stirring speed. After mixing evenly, lower the system temperature to room temperature, and then add 250g of silane Emulsion, finally add 300g ultra-fine zinc powder, and keep stirring for 20 minutes to get a zinc-rich paint.

Embodiment 2

[0026] 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 70°C and stirred continuously with a stirrer. During the stirring process, slowly add 200g of silica sol dropwise. After the dropwise addition, add 100g of silane coupling agent to the container, and increase the stirring speed. Emulsion, finally add 300g ultra-fine zinc powder, and keep stirring for 25 minutes to get a zinc-rich paint.

Embodiment 3

[0028] 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 200g of silane coupling agent to the container, and increase the stirring speed. Emulsion, finally add 600g ultra-fine zinc powder, and keep stirring for 30 minutes to get a zinc-rich paint.

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PUM

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Abstract

The invention relates to a preparation method for zinc-rich paint employing lithium silicate and potassium silicate as base materials. The method comprises the following steps: firstly, mixing and heating a lithium silicate solution and a potassium silicate solution; secondly, dropwise adding silica sol and a silane coupling agent under the condition of stirring, uniformly mixing the silica sol and the silane coupling agent, cooling to room temperature, and adding a silicone acrylic emulsion; finally, adding superfine zinc powder, and continuously stirring to obtain the zinc-rich paint.

Description

technical field [0001] The invention relates to a metal anticorrosion paint, in particular to a zinc-rich paint with silicate as a base material, which belongs to the field of paint chemical industry. Background technique [0002] 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 stoppages and power outages caused by accidents are even more incalculable. Metal rusting is the most common form of corrosion. During corrosion, a chemical or electrochemical heterogeneous reaction occurs at the interface of the metal, which turns the metal into an oxidized (ionic) state. This ...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12C09D5/10
Inventor 黄勇
Owner 黄勇
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