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Preparation method of waterborne epoxy corrosion-resistant heat-insulating coating

A thermal insulation coating, water-based epoxy technology, applied in anti-corrosion coatings, polyester coatings, coatings, etc., can solve the problem that the stability and mechanical properties of water-based epoxy anti-corrosion thermal insulation coatings cannot be further improved, and improve storage stability. performance, avoid settlement and stratification, and improve mechanical properties

Inactive Publication Date: 2019-06-28
雷江秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The technical problem mainly solved by the present invention is: Aiming at the problem that the stability and mechanical properties of traditional water-based epoxy anti-corrosion and heat-insulating coatings cannot be further improved, a preparation method of water-based epoxy anti-corrosion and heat-insulating coatings is provided

Method used

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  • Preparation method of waterborne epoxy corrosion-resistant heat-insulating coating

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example 1

[0028] Put (N-amidino) dodecyl acrylamide and methoxy polyethylene glycol in the No. 1 beaker at a mass ratio of 2:1, and add 0.2 methoxy polyethylene glycol to the No. 1 beaker times of p-dichlorobenzene and ferrocene of 0.10 times of methoxypolyethylene glycol quality, under the condition of 500r / min, the rotating speed is 500r / min, stirring and mixing for 50min to obtain the modified additive; in parts by weight, take 30 30 parts of nano-titanium dioxide, 30 parts of antimony doped with 10% nano-tin antimony oxide, 10 parts of deionized water, 3 parts of wetting agent, 5 parts of carbomer, 5 parts of linoleic acid, 3 parts of dispersant, 3 parts Defoamer, put nano-titanium dioxide, nano-tin antimony oxide, and deionized water in the mixer, and stir and mix for 60 minutes at a speed of 600r / min, then add wetting agent, dispersant and disinfectant to the mixer. Foaming agent, under the condition of rotating speed of 600r / min, stir and mix for 60min, then add dropwise ammonia ...

example 2

[0030] Put (N-amidino) dodecyl acrylamide and methoxy polyethylene glycol in the No. 1 beaker at a mass ratio of 2:1, and add 0.2 methoxy polyethylene glycol to the No. 1 beaker times of p-dichlorobenzene and ferrocene of 0.10 times of methoxypolyethylene glycol quality, under the condition of 500r / min, the rotating speed is 500r / min, stirring and mixing for 50min to obtain the modified additive; in parts by weight, take 30 30 parts of nano-titanium dioxide, 30 parts of nano-antimony tin oxide doped with 10% antimony, 10 parts of deionized water, 3 parts of wetting agent, 5 parts of linoleic acid, 3 parts of dispersant, 3 parts of defoaming agent, the nano Titanium dioxide, nano-tin antimony oxide, and deionized water are placed in the mixer, and under the condition of 600r / min at a rotating speed, stir and mix for 60min, then add a wetting agent, a dispersant and an antifoaming agent to the mixer, and set the speed at 600r / min. Under the condition of 600r / min, stir and mix fo...

example 3

[0032] Put (N-amidino) dodecyl acrylamide and methoxy polyethylene glycol in the No. 1 beaker at a mass ratio of 2:1, and add 0.2 methoxy polyethylene glycol to the No. 1 beaker times of p-dichlorobenzene and ferrocene of 0.10 times of methoxypolyethylene glycol quality, under the condition of 500r / min, the rotating speed is 500r / min, stirring and mixing for 50min to obtain the modified additive; in parts by weight, take 30 30 parts of nano-titanium dioxide, 30 parts of antimony doped with 10% nano-tin antimony oxide, 10 parts of deionized water, 3 parts of wetting agent, 5 parts of carbomer, 3 parts of dispersant, 3 parts of defoaming agent, the nano Titanium dioxide, nano-tin antimony oxide, and deionized water are placed in the mixer, and under the condition of 600r / min at a rotating speed, stir and mix for 60min, then add a wetting agent, a dispersant and an antifoaming agent to the mixer, and set the speed at 600r / min. Under the condition of 600r / min, stir and mix for 60 ...

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Abstract

The invention discloses a preparation method of a waterborne epoxy corrosion-resistant heat-insulating coating and belongs to the technical field of building materials. The preparation method comprises the following steps: stirring and mixing nano titanium dioxide, nano antimony tin oxide and deionized water, then adding a wetting agent, a dispersant and a defoamer, and then dropwise adding ammonia water to adjust the pH to obtain a pre-dispersed liquid; frosting the pre-dispersed liquid, ultrasonically dispersing the pre-dispersed liquid, leaving the pre-dispersed liquid to stand, and filtering the pre-dispersed liquid to obtain mixed functional slurry; stirring and mixing 20-30 parts by weight of a waterborne fluorocarbon emulsion, 3-5 parts by weight of a modifying additive, 8-10 partsof unsaturated polyester resin, 2-3 parts of alcohol vinegar 12 and 2-3 parts of a thickener, then adding the mixed functional slurry which is 0.6-0.8 time of the waterborne fluorocarbon emulsion by mass and isocyanate which is 0.02-0.03 time of the waterborne fluorocarbon emulsion by mass, and stirring and mixing the mixture to obtain the waterborne epoxy corrosion-resistant heat-insulating coating . The waterborne epoxy corrosion-resistant heat-insulating coating prepared according to the technical scheme has the characteristics of excellent stability and mechanical properties and has a wideprospect in development of building material technical industry.

Description

technical field [0001] The invention discloses a preparation method of a water-based epoxy anti-corrosion and heat-insulating coating, which belongs to the technical field of building materials. Background technique [0002] Anti-corrosion and heat-insulating coatings are generally divided into conventional anti-corrosion coatings and heavy-duty anti-corrosion coatings, which are an indispensable coating in paint coatings. The purpose of coating the surface with heat-insulating and anti-corrosion coatings is to block, reflect, and radiate solar energy, reduce the temperature of the surface and interior of metal objects, and reduce energy consumption for cooling; the second is to shield water vapor, oxygen, and chloride ions and enhance the coating The anti-rust and anti-corrosion properties of the metal surface can improve its service life. Therefore, the selected pigments and fillers must have the following four characteristics: (1) Low density of pigments and fillers, sma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D167/06C09D133/02C09D151/08C09D5/08C09D7/45C09D7/61C09D7/63C09D7/65
Inventor 雷江秀
Owner 雷江秀
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