Water-proof anti-corrosive thermal-insulating coating and preparation method thereof

A heat-insulating coating and heat-insulating filler technology, applied in anti-corrosion coatings, fire-proof coatings, coatings, etc., can solve the problems of low film-forming substance content, low solid content of coatings, poor anti-corrosion performance, etc., to achieve increased solid content, dry Faster speed and excellent aging resistance

Inactive Publication Date: 2018-09-28
常德市万福达环保节能建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The paint synthesized by the present invention has poor waterproof performance, and in order to ensure that the raw materials are evenly dispersed, it is necessary to add water accounting for 20-25% of the total mass of the raw materials. The solid content of the paint is low, and the content of film-forming substances is small. Low hardness, poor corrosion resistance

Method used

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  • Water-proof anti-corrosive thermal-insulating coating and preparation method thereof
  • Water-proof anti-corrosive thermal-insulating coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 1) Weigh 12% of high hydrogen-containing silicone oil emulsion and 5% of deionized water according to mass percentage, mix evenly under 200r / min low-speed stirring, then add 0.8% of ethylene glycol, 0.3% of dispersing Agent, 0.1% defoamer, 0.1% preservative, 0.1% leveling agent, 0.1% color paste, disperse evenly under high-speed stirring at 1200r / min to obtain a mixture;

[0044] 2) Add 10% of titanium dioxide, 5% of 100-mesh mica powder, 0.3% of 8nm nano heat insulation powder, and 0.5% of magnesium aluminum silicate to the mixture in sequence under stirring at a medium speed of 500r / min. , 0.1% hydroxyethyl cellulose, after 1200r / min high-speed stirring to disperse evenly, add it to the sand mill for sand grinding;

[0045] 3) Put the sand-milled mixture into a disperser, add 3% of 150-mesh vitrified microbeads under a medium-speed stirring of 500r / min, and after the dispersion is uniform, stir at a low speed of 200r / min, and then add 30% of benzene Acrylic emulsion,...

Embodiment 2

[0047] 1) Weigh 5% of high hydrogen-containing silicone oil emulsion and 2% of deionized water according to mass percentage, mix evenly under 150r / min low-speed stirring, then add 1.2% of ethylene glycol, 0.7% of dispersing Agent, 0.2% defoamer, 0.3% preservative, 0.3% leveling agent, 0.3% color paste, uniformly dispersed under 800r / min high-speed stirring, to obtain a mixture;

[0048] 2) Add 12.2% of titanium dioxide, 20% of 300-mesh mica powder, 0.1% of 12nm nano heat insulation powder, and 0.2% of magnesium aluminum silicate to the mixture in sequence under stirring at a medium speed of 500r / min. , 0.3% hydroxyethyl cellulose, after dispersing evenly under 800r / min high-speed stirring, add it to the sand mill for sand grinding;

[0049] 3) Put the sand-milled mixture into a disperser, add 2% of 250-mesh vitrified microbeads under a medium-speed stirring of 500r / min, and after the dispersion is uniform, stir at a low speed of 150r / min, and then add 40% of benzene Acrylic e...

Embodiment 3

[0051] 1) Weigh 8% of high hydrogen-containing silicone oil emulsion and 3% of deionized water according to the mass percentage, mix evenly under low-speed stirring of 200r / min, then add 1% of ethylene glycol, 0.3% of dispersing Agent, 0.2% defoamer, 0.2% preservative, 0.2% leveling agent, 0.2% color paste, uniformly dispersed under 1000r / min high-speed stirring, to obtain a mixture;

[0052] 2) Add 15% of titanium dioxide, 15% of 100-mesh mica powder, 0.2% of 10nm nano heat insulation powder, and 0.3% of magnesium aluminum silicate to the mixture in sequence under stirring at a medium speed of 500r / min. , 0.2% hydroxyethyl cellulose, after 1000r / min high-speed stirring and dispersing evenly, add it into the sand mill for sand grinding;

[0053] 3) Put the sand-milled mixture into a disperser, add 2% of 150-mesh vitrified microbeads under a medium-speed stirring of 500r / min, and after the dispersion is uniform, stir at a low speed of 200r / min, and then add 33% of benzene Acry...

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Abstract

The invention discloses a water-proof anti-corrosive thermal-insulating coating. The coating comprises the following components: a styrene-acrylic emulsion, a vinyl chloride-vinylidene chloride copolymer, a high-hydrogen-containing silicone oil emulsion, a pigment filler, an additive, auxiliary agents and deionized water. A preparation method of the coating comprises the steps of uniformly mixingthe high-hydrogen-containing silicone oil emulsion and the deionized water, sequentially adding ethylene glycol and the additive, and performing uniform dispersion to obtain a mixed material; sequentially adding auxiliary agents except a multifunctional auxiliary agent AMP-95, a film forming auxiliary agent and a thickening agent into the mixed material, performing uniform dispersion, and performing sanding; adding vitrified microbeads into the sanded mixture, adding the styrene-acrylic emulsion and the vinyl chloride-vinylidene chloride copolymer, the multifunctional auxiliary agent AMP-95 and the film forming auxiliary agent, performing uniform stirring, adding the thickening agent, and performing uniform dispersion to obtain the water-proof anti-corrosive thermal-insulating coating. According to the method disclosed by the invention, three emulsions are mixed, under the combined action of the film forming auxiliary agent and other auxiliary agents, the emulsions can be cross-linkedto form a film, stability of the emulsions is good, and a cross-linked network structure is formed; and the obtained coating has the advantages of excellent water resistance, heat resistance, low-temperature resistance and gas permeability.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a waterproof, anti-corrosion and heat-insulating coating and a preparation method thereof. Background technique [0002] On the surface of the building, a thin film is formed by the volatilization of solvent or water or the chemical reaction of the two components, which isolates the surface of the building from water, thereby playing the role of waterproof and sealing. These viscous liquids are called For waterproof coating. There are two types of waterproof materials on the market: one is polyurethane waterproof coatings. Such materials are generally made of polyurethane and coal tar as raw materials. The tar gas it volatilizes is highly toxic, and it is not easy to remove, and it also contains toxicity; the other type is polymer cement-based waterproof coating, but the existing cement-based waterproof coating has high cost, poor water resistance, weather resistan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D127/06C09D183/05C09D7/61C09D7/63C09D7/65C09D5/08
CPCC08K2201/014C08L2201/08C08L2205/035C09D5/08C09D5/18C09D7/61C09D7/63C09D7/65C09D7/70C09D125/14C08L27/06C08L83/04C08L1/284C08K13/04C08K7/28C08K3/34C08K5/053C08K5/17
Inventor 金华金彤金靓
Owner 常德市万福达环保节能建材有限公司
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