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A kind of impact-resistant high-weather-resistant water-based industrial coating and preparation method thereof

An impact-resistant and weather-resistant technology, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as good hardness, good brightness, and poor adhesion, and achieve the effect of improving impact resistance

Active Publication Date: 2019-04-26
中山蓝海洋水性涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Alkyd water-based paint has good brightness but low hardness and poor anti-corrosion performance
Polyurethane water-based paint has good flexibility, but the hardness is not high and the cost is high
Acrylic water-based paint has good hardness but poor toughness and poor adhesion
Epoxy water-based industrial paint has good anti-corrosion performance, but the surface effect is not good and the decoration is poor
Therefore, the existing water-based industrial paints on the market do not have environmentally friendly paint products that can simultaneously satisfy good impact resistance (high flexibility), strong weather resistance, excellent corrosion resistance, high hardness, and outstanding scratch resistance.

Method used

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  • A kind of impact-resistant high-weather-resistant water-based industrial coating and preparation method thereof
  • A kind of impact-resistant high-weather-resistant water-based industrial coating and preparation method thereof
  • A kind of impact-resistant high-weather-resistant water-based industrial coating and preparation method thereof

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preparation example Construction

[0064] A preparation method of the above-mentioned impact-resistant high-weather-resistant water-based industrial anticorrosion coating, comprising the following steps: adding water, polyurethane modified acrylate emulsion, water-based polyurethane dispersion, dispersant, substrate wetting and Anti-cratering additives, 0.1% to 0.2% defoaming agent, and disperse at a medium speed; then slowly add titanium dioxide, talc powder, superfine calcium carbonate, sericite powder, aluminum zinc phosphomolybdate antirust pigment, nano Silica, add water to rinse the cylinder wall, disperse at high speed for 30-40 minutes to fineness ≤ 50 microns; then add leveling agent, thickener, remaining defoamer, alkoxysilane at medium and low dispersing speed The adhesion promoter and other components are dispersed at a medium speed for 20-30 minutes to obtain the finished product; the fineness and viscosity of the finished product are tested by sampling, and the finished product is qualified when th...

Embodiment 1

[0068] A water-based industrial anti-corrosion coating with high impact resistance and weather resistance, which consists of the following components by weight percentage:

[0069]

[0070]

[0071]The preparation method of the above-mentioned impact-resistant and high-weather-resistant water-based industrial anticorrosion coating comprises the following steps: adding water, polyurethane modified acrylate emulsion, water-based polyurethane dispersion, dispersant, substrate wetting and anti-shrinkage in a dispersion tank by weight percentage Pore ​​aid, 0.2% defoamer, and medium-speed dispersion, the speed of the medium-speed dispersion is 600 ~ 800r / min; then slowly add titanium dioxide, talcum powder, ultrafine calcium carbonate, sericite powder, Aluminum zinc phosphomolybdate anti-rust pigment, nano silicon dioxide, add water to wash the cylinder wall, disperse at high speed for 30-40 minutes until the fineness is ≤50 microns, the speed of high-speed dispersion is 1000-...

Embodiment 2

[0074] A water-based industrial anti-corrosion coating with high impact resistance and weather resistance, which consists of the following components by weight percentage:

[0075]

[0076]

[0077] The preparation method of the above-mentioned impact-resistant and high-weather-resistant water-based industrial anticorrosion coating comprises the following steps: adding water, polyurethane modified acrylate emulsion, water-based polyurethane dispersion, dispersant, substrate wetting and anti-shrinkage in a dispersion tank by weight percentage Pore ​​aid, 0.2% defoamer, and medium-speed dispersion, the speed of the medium-speed dispersion is 600 ~ 800r / min; then slowly add titanium dioxide, talcum powder, ultrafine calcium carbonate, sericite powder, Aluminum zinc phosphomolybdate anti-rust pigment, nano silicon dioxide, add water to wash the cylinder wall, disperse at high speed for 30-40 minutes until the fineness is ≤50 microns, the speed of high-speed dispersion is 1000...

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Abstract

The invention provides an anti-impact high-weather-resistant water-based industrial paint and a preparation method thereof. The anti-impact high-weather-resistant water-based industrial paint uses main body resin polyurethane modified acrylate emulsion and auxiliary resin waterborne polyurethane dispersion for proportion and cooperation; nanometer silicon dioxide inorganic ultrafine materials are introduced; pigment and filling materials are graded, and functional environment-friendly antirust pigments are added; novel substrate wetting and shrinkage-proof auxiliary agents and the like are introduced. A coating of the anti-impact high-weather-resistant water-based industrial paint has the advantages of excellent anti-impact performance, weather resistance, anti-corrosion performance, chemical resistance, high hardness, strong attaching force and good anti-scratching performance; in addition, health and environment-friendly performance are realized; the construction is convenient.

Description

technical field [0001] The invention relates to the technical field of water-based metal coatings, in particular to an impact-resistant high-weather-resistant water-based industrial anticorrosion coating and a preparation method thereof. Background technique [0002] Due to its low-carbon, environmental protection, health and energy-saving characteristics, water-based coatings have gradually become the mainstream direction of the development of the world coatings industry. In recent years, domestic water-based coatings have achieved relatively rapid development, and have shown a very broad market prospect in the field of industrial coatings; the society urgently needs the voice of environmentally friendly water-based industrial coatings, and the rapids are hot and the waves are higher than the waves. The annual demand for industrial coatings in my country is about 1.9 million tons, of which 1.2 million tons can be replaced by water-based industrial coatings, which has a huge...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/00C09D175/04C09D5/08C09D7/61
CPCC08K2201/011C08K2201/014C08L2205/025C08L2205/03C09D5/084C09D7/61C09D133/00C08L75/04C08K13/02C08K2003/2241C08K3/34C08K2003/265C08K3/24C08K3/36
Inventor 陈小文阙小玲
Owner 中山蓝海洋水性涂料有限公司
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