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Functional paint with added gama-methacryloxypropyltrimethoxysilane

A technology of methacryloyloxypropyltrimethoxysilane and methacryloyloxypropyltrimethoxysilane coupling agent, which can be used in anti-corrosion coatings, coatings, etc. Low adhesion, poor adhesion, etc., to achieve the effect of low price and good adhesion

Inactive Publication Date: 2015-11-04
陈翠莲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Water-based inorganic zinc-rich coatings have the advantages of no odor, non-flammable, non-explosive, and no environmental pollution due to their absence of organic solvents. When added to coatings, since zinc powder is difficult to fuse with inorganic silicate, it has low adhesion to the substrate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Pour 50g of potassium silicate solution and 50g of sodium silicate solution into a container for mixing respectively, and heat the mixture, the heating temperature is controlled at about 50°C, and it is stirred continuously with a stirrer. During the stirring process, slowly add 300g of silica sol dropwise. After the dropwise addition, add 50g of γ-methacryloxypropyltrimethoxysilane to the container, and increase the stirring speed, and stop after 5 minutes. Heating, and when the temperature drops to room temperature, add 250g of silicon acrylic emulsion, and finally add 300g of 600 mesh zinc powder, and continue to stir evenly to obtain a high-adhesion zinc-rich functional coating.

Embodiment 2

[0024] Pour 70g of potassium silicate solution and 70g of sodium silicate solution into a container for mixing, and heat the mixture. The heating temperature is controlled at about 60°C, and it is stirred continuously with a stirrer. During the stirring process, slowly add 300g of silica sol dropwise, after the dropwise addition is completed, add 60g of γ-methacryloxypropyl trimethoxysilane to the container, and increase the stirring speed, stop after 5 minutes Heating, when the temperature drops to room temperature, add 300g of silicon acrylic emulsion, and finally add 200g of 600 mesh zinc powder, and continue to stir evenly to get a high-adhesion zinc-rich functional coating.

Embodiment 3

[0026] Pour 100g of potassium silicate solution and 100g of sodium silicate solution into a container for mixing, and heat the mixture. The heating temperature is controlled at about 70°C, and it is stirred continuously with a stirrer. During the stirring process, slowly add 200g of silica sol dropwise. After the dropwise addition, add 100g of γ-methacryloxypropyltrimethoxysilane to the container, and increase the stirring speed, and stop after 5 minutes. Heating, and when the temperature drops to room temperature, add 200g of silicon acrylic emulsion, and finally add 300g of 600 mesh zinc powder, and continue stirring evenly to obtain a high-adhesion zinc-rich functional coating.

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Abstract

The invention discloses a zinc-rich paint with an added gamma-methacryloxypropyltrimethoxysilane coupling agent, and a preparation method thereof. The method is characterized in that a gamma-aminopropyl triethoxysilane coupling agent is added during a paint preparation process, such that the fusion power between metal zinc powder and silicate is enhanced, and paint adhesion is improved. The preparation method is simple, and has a good application prospect.

Description

technical field [0001] The invention relates to a functional paint and a preparation method thereof, in particular to a metal anti-corrosion functional paint and a preparation method thereof, belonging to the field of paint processing. Background technique [0002] With the advancement of science and technology, coatings are more and more widely used in life, especially functional coatings, such as metal anti-corrosion coatings. Coating is a material that can be coated on the surface of an object by different construction techniques to form a solid film with strong adhesion, certain strength and continuity. The film formed in this way is commonly called a coating film, also known as a paint film or a coating. [0003] Ordinary paints are applied on the surface of steel to prevent corrosion of steel by isolating the air, while zinc-rich paints can not only isolate the air, but also form a primary battery protection. The standard potential of zinc in zinc-rich paints is lower...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D5/10
Inventor 陈翠莲
Owner 陈翠莲
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