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Waterborne zinc-enriched paint and preparation method thereof

A zinc-rich paint, water-based technology, applied in the field of paint, can solve the problems of environmental pollution, weak anti-corrosion effect, harm to the health of construction workers, etc., and achieve the effect of convenient construction and good mechanical performance.

Inactive Publication Date: 2015-09-02
曾文江
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, ordinary anti-corrosion coatings contain a large amount of organic solvents. During the production and construction stages of solvent-based coatings, a large amount of solvents will be released into the air, which not only endangers the health of construction workers, but also causes environmental pollution.
On the other hand, ordinary paint simply covers and isolates the air, and the anti-corrosion effect is not strong

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Take 30g of sodium silicate solution, pour it into a container and heat it, the temperature is controlled at 40-50°C, and keep stirring, then slowly add 300g of silica sol dropwise to make it fully mixed, and then add 70g of silane distillate into the container Mixing agent, high-speed stirring, after stirring evenly, stop heating, when the temperature drops to room temperature, add 300g of silicon acrylic emulsion, finally add 300g of zinc powder, continue stirring for 10-15 minutes to get a water-based zinc-rich paint.

Embodiment 2

[0025] Take 40g of sodium silicate solution, pour it into a container and heat it, the temperature is controlled at 40-50°C, and keep stirring, then slowly add 400g of silica sol dropwise to make it fully mixed, and then add 60g of silane distillate into the container Mixing agent, high-speed stirring, after stirring evenly, stop heating, when the temperature drops to room temperature, add 300g of silicon acrylic emulsion, and finally add 200g of zinc powder, continue stirring for 10-15 minutes to get a water-based zinc-rich paint.

Embodiment 3

[0027] Take 50g of sodium silicate solution, pour it into a container and heat it, control the temperature at 50-60°C, and keep stirring, then slowly add 400g of silica sol dropwise to make it fully mixed, and then add 100g of silane distillate into the container Mixing agent, high-speed stirring, after stirring evenly, stop heating, when the temperature drops to room temperature, add 250g of silicon acrylic emulsion, and finally add 200g of zinc powder, continue stirring for 10-15 minutes to get a water-based zinc-rich paint.

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Abstract

The invention discloses a waterborne zinc-enriched paint and a preparation method thereof. The preparation method comprises the following steps: pouring a certain amount of a sodium silicate solution into a vessel, heating, continuously stirring while dropwise adding silica sol to mix the sodium silicate solution with silica sol, adding a certain amount of a silane coupling agent, stirring at a high speed, stopping heating, adding a silicone acrylic emulsion after the temperature is lowered to room temperature, and finally adding an appropriate amount of superfine zinc powder, continuously stirring for a certain time to obtain the waterborne zinc-enriched paint. The waterborne zinc-enriched paint is low in price, low in cost, energy-saving, environment-friendly and convenient to process.

Description

technical field [0001] The invention relates to a paint, in particular to a zinc-rich water-based paint and a preparation method thereof, belonging to the field of paint chemical industry. Background technique [0002] Metal corrosion is a very serious and common problem that people face. The annual economic loss caused by corrosion accounts for about 2%-4% of the GDP of each country in the world, and more than 100 million tons of metals are scrapped due to corrosion. Metal rusting is the most common form of corrosion. During corrosion, a chemical or electrochemical multiphase reaction occurs on the interface of the metal, which turns the metal into an oxidized (ion) state, which will significantly reduce the mechanical properties of the metal material such as strength, plasticity, and toughness, and destroy the geometry of the metal component. , increase the wear between parts, deteriorate the physical properties such as electricity and optics, shorten the service life of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/10C09D7/12
CPCC08K3/08C08K3/34C08K3/36C08K2003/0893C09D5/106C09D133/04C09D7/61
Inventor 曾文江
Owner 曾文江
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