Waterborne weather-resisting anticorrosive coating and preparation method thereof

A water-based technology for anti-corrosion coatings, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of no pollution or relatively low pollution, low life index, poor weather resistance, etc., and achieve simple and easy preparation process Easy operation, good crystallinity, avoiding pollution effect

Active Publication Date: 2019-05-17
赵娜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] It is well known that due to the increasing awareness of environmental protection in various countries around the world, the efforts to control environmental pollution in various countries have gradually increased. Therefore, traditional oil-based coatings that occupy a dominant position in the coatings market and have serious environmental pollution have attracted attention and rejection. This directly As a result, coating manufacturers have begun to develop environmentally friendly water-based coatings; water-based coatings use water as a dispersion carrier, which has no pollution or relatively low pollution, and is environmentally friendly and has strong adhesion. It can be widely used in steel and ceramics. , walls and other surfaces as anti-corrosion coatings; however, the few water-based coatings currently on the market are relatively poor in terms of anti-corrosion performance, including weather resistance, that is, the performance of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 1. Add 80 parts of deionized water, 1.2 parts of defoamer, 1.5 parts of dispersant, and 3 parts of wetting agent into the dispersion reactor in sequence, and disperse at room temperature for 30 minutes at a low speed;

[0034]Two, according to 2.5 times of weight parts of raw material gross weight in the above step, add following silty filler in dispersion reactor: graphene, precipitated barium sulfate, titanium dioxide, zinc phosphate, wax powder, after above-mentioned silty filler adds, high-speed Disperse for 20-30 minutes to obtain a suspension; wherein: the amount of graphene added accounts for 4.5% of the total weight of the coating; precipitated barium sulfate, titanium dioxide, zinc phosphate and wax powder are optionally added in combination of two or more can;

[0035] 3. Use a horizontal sand mill to grind the suspension obtained in the previous step for 30-50 minutes, and then pour it into a mixing tank;

[0036] 4. Add fluorocarbon resin of 2 times the wei...

Embodiment 2

[0039] 1. Add 75 parts of deionized water, 1.1 parts of defoamer, 1.3 parts of dispersant, and 2.8 parts of wetting agent into the dispersion reactor in sequence, and disperse at room temperature for 10-30 minutes at a low speed;

[0040] Two, according to 2.3 times of weight parts of the total weight of raw materials in the above step, add the following powdery fillers in the dispersion reactor: graphene, precipitated barium sulfate, titanium dioxide, zinc phosphate, wax powder, after the above-mentioned powdery fillers are added, high-speed Disperse for 20-30 minutes to obtain a suspension; wherein: the amount of graphene added accounts for 3.5% of the total weight of the coating; precipitated barium sulfate, titanium dioxide, zinc phosphate and wax powder are optionally added in combination of two or more can;

[0041] 3. Use a horizontal sand mill to grind the suspension obtained in the previous step for 30-50 minutes, and then pour it into a mixing tank;

[0042] 4. Add ...

Embodiment 3

[0045] 1. Add 70 parts of deionized water, 0.8 parts of defoamer, 1.1 parts of dispersant, and 2.3 parts of wetting agent into the dispersion reactor in sequence, and disperse at room temperature for 10-30 minutes at a low speed;

[0046] Two, according to 2.1 times of weight parts of raw material gross weight in the above step, add following silty filler in dispersion reactor: graphene, precipitated barium sulfate, titanium dioxide, zinc phosphate, wax powder, after above-mentioned silty filler adds, high-speed Disperse for 20-30 minutes to obtain a suspension; wherein: the amount of graphene added accounts for 2.5% of the total weight of the coating; precipitated barium sulfate, titanium dioxide, zinc phosphate and wax powder are optionally added in combination of two or more can;

[0047] 3. Use a horizontal sand mill to circulate and grind the suspension obtained in the previous step for 6 times. The material liquid obtained in the previous step is ground in the process of...

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Abstract

The invention relates to waterborne weather-resisting anticorrosive coating and a preparation method thereof and relates to the field of waterborne anticorrosive coating. The coating is prepared by uniformly mixing and stirring a resin component and an isocyanato curing agent component, wherein the resin component contains fluorocarbon resin, and the ratio of the hydroxyl mol number of the fluorocarbon resin to the isocyanato mol number of the isocyanato curing agent component is 1 to (1.02 to 1.05); the resin component also contains graphene powder which accounts for 0.1 to 5.0 percent of thetotal weight of the coating; the coating can be used for effectively improving the water resistance, acid resistance, alkali resistance, temperature and heat resistance, salt mist resistance and weather resistance of a whole body, so that the safe, green, environment-friendly and pollution-free utilization requirements on the coating in the market can be effectively met.

Description

technical field [0001] The invention relates to the field of water-based anti-corrosion coatings, in particular to a water-based weather-resistant anti-corrosion coating containing graphene components and a preparation method thereof. Background technique [0002] It is well known that due to the increasing awareness of environmental protection in various countries around the world, the efforts to control environmental pollution in various countries have gradually increased. Therefore, traditional oil-based coatings that occupy a dominant position in the coatings market and have serious environmental pollution have attracted attention and rejection. This directly As a result, coating manufacturers have begun to develop environmentally friendly water-based coatings; water-based coatings use water as a dispersion carrier, which has no pollution or relatively low pollution, and is environmentally friendly and has strong adhesion. It can be widely used in steel and ceramics. , w...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D5/08C09D7/61
Inventor 赵娜
Owner 赵娜
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