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Corrosion-resisting and thermal-insulating waterborne metal coating and preparation method thereof

A metal anti-corrosion and heat-insulating coating technology, applied in anti-corrosion coatings, reflective/signal coatings, etc., to achieve good coating temperature resistance, good low temperature stability, and improve the effect of heat insulation

Inactive Publication Date: 2018-09-07
邹奇峰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the existing heat-insulating coatings are single-function heat-insulating coatings, and there is no sales of a qualified, high-safety, and good anti-corrosion water-based metal anti-corrosion heat-insulating coating

Method used

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  • Corrosion-resisting and thermal-insulating waterborne metal coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A water-based metal anti-corrosion and heat-insulating coating, its raw materials include the following components by weight: 30 parts of silicon benzene emulsion, 10 parts of xonotlite active slurry, 6 parts of hollow glass microspheres, 3 parts of titanium dioxide, and 0.2 parts of dispersant , 0.1 part of wetting agent, 0.1 part of defoamer, 2.0 parts of film-forming aid, 0.2 part of thickener, 0.1 part of antifungal agent, 1 part of antifreeze, 20 parts of deionized water.

[0027] The preparation method of the xonotlite active slurry is to calcinate calcium carbide slag at a temperature of 800°C for 2 hours, then digest it with boiling water, and then according to the CaO and SiO2 material ratio of 1.5:1, water to solid phase Add the prepared calcium raw material, silica fume and water into the high-pressure reactor, stir well, control the stirring speed at 200r / min, and raise the temperature to 200°C at a speed of 1.5°C / min. Under the condition of a stirring speed...

Embodiment 2

[0038] A water-based metal anti-corrosion and heat-insulating coating, its raw materials include the following components by weight: 50 parts of silicon benzene emulsion, 20 parts of xonotlite active slurry, 9 parts of hollow glass microspheres, 6 parts of titanium dioxide, and 0.5 parts of dispersant , 0.3 parts of wetting agent, 0.3 parts of defoamer, 4.0 parts of coalescent, 0.5 parts of thickener, 0.3 parts of antifungal agent, 3 parts of antifreeze, 30 parts of deionized water.

[0039] The preparation method of the xonotlite active slurry is to calcinate calcium carbide slag at a temperature of 1000°C for 3 hours, then digest it with boiling water, and then according to the CaO and SiO2 material ratio of 1.5:1, water and solid phase Add the prepared calcium raw material, silica fume and water into the high-pressure reactor, stir well, control the stirring speed at 300r / min, and raise the temperature to 250°C at a speed of 1.5°C / min. Under the condition of a stirring spee...

Embodiment 3

[0050] A water-based metal anti-corrosion and heat-insulating coating, its raw materials include the following components by weight: 35 parts of silicon benzene emulsion, 15 parts of xonotlite active slurry, 7 parts of hollow glass microspheres, 5 parts of titanium dioxide, and 0.3 parts of dispersant , 0.2 parts of wetting agent, 0.2 parts of defoamer, 3.0 parts of film-forming aid, 0.4 parts of thickener, 0.2 parts of antifungal agent, 2 parts of antifreeze, 25 parts of deionized water.

[0051] The preparation method of the xonotlite active slurry is to calcinate calcium carbide slag at a temperature of 900° C. for 2.5 hours, then digest it with boiling water, and then according to the ratio of CaO and SiO2 to 1.5:1, water to solid The mass ratio of the phases is 40:1. Add the prepared calcareous raw material, silica fume and water into the high-pressure reactor and stir well. The stirring speed is controlled at 250r / min, and the temperature is raised to 220°C at a rate of 1...

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Abstract

The invention provides a corrosion-resisting and thermal-insulating waterborne metal coating and a preparation method thereof. The coating comprises raw materials in parts by weight as follows: 30-50parts of silicon-styrene emulsion, 10-20 parts of active xonotlite slurry, 6-9 parts of hollow glass beads, 3-6 parts of titanium dioxide, 0.2-0.5 parts of a dispersing agent, 0.1-0.3 parts of a wetting agent, 0.1-0.3 parts of a defoamer, 2-4 parts of a coalescing agent, 0.2-0.5 parts of a thickener, 0.1-0.3 parts of a mildew preventive, 1-3 parts of an antifreezing agent and 20-30 parts of deionized water. The invention further provides the preparation method of the coating. The corrosion-resisting and thermal-insulating waterborne metal coating not only has good low-temperature stability andresistance to water, acid, alkali and neutral salt mist, but also has the advantages of good coating temperature alternating resistance, reflectivity, thermal insulation, decorative performance, corrosion resistance and the like.

Description

technical field [0001] The invention relates to a heat-insulating coating, in particular to a water-based metal anti-corrosion and heat-insulating coating and a preparation method thereof. Background technique [0002] "Heat insulation coating": refers to a functional water-based coating developed in recent years that blocks, reflects, and radiates near-infrared heat from the sun to insulate and cool the roof, save energy and reduce consumption. It has heat insulation, waterproof, antirust, anticorrosion , short construction period and quick effect, fully replace the water spray system, thermal insulation cotton, foam sponge, interlayer iron sheet, etc. There are three main types of thermal insulation coatings in terms of characteristics and principles, insulating conductive thermal insulation coatings, reflective thermal insulation coatings and radiant heat insulation coatings. In addition to the above three types of heat insulation coatings, a heat insulation coating has a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D143/04C09D5/08C09D5/33C09D7/61
CPCC09D143/04C08K2003/2241C09D5/004C09D5/08C09D7/61C08K13/04C08K7/28C08K3/22C08K3/34
Inventor 邹奇峰
Owner 邹奇峰
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