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Water-based light reflex industrial insulation coating and preparation method thereof

A thermal insulation coating and light reflection technology, applied in the direction of reflection/signal coating, anti-corrosion coating, coating, etc., can solve the problems of no heat conduction barrier effect, no anti-corrosion and weather resistance data, narrow application range, etc., to achieve Good thermal insulation and anti-corrosion functions, improved salt spray resistance, and improved application efficiency

Active Publication Date: 2017-05-31
SHENYANG RES INST OF CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent 201410336222.0 provides a method for preparing infrared energy-saving coatings, using alumina micropowder, ferromanganese spinel powder, iron chromium spinel powder, vanadium pentoxide and other raw materials as functional fillers to prepare coatings with high infrared radiation capabilities. The full-wavelength integrated emissivity at room temperature reaches 0.95. The common disadvantage of the above two reflective coatings is that they only have infrared light reflection and radiation capabilities, but do not have the effect of blocking heat conduction, and the scope of application is narrow.
Chinese patent 200810021667.4 discloses a water-based elastic thermal insulation coating, which can be applied to storage tanks and pipelines, but it does not give anti-corrosion and weather resistance data

Method used

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  • Water-based light reflex industrial insulation coating and preparation method thereof
  • Water-based light reflex industrial insulation coating and preparation method thereof
  • Water-based light reflex industrial insulation coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The formula composition of water-based industrial thermal insulation coatings is shown in the following table:

[0055]

[0056] The thermal conductivity of the airgel powder in the above table is 0.02w / (m k), and the density is 240kg / m 3 , the specific surface area is 220m 2 / g, the particle size is 3-8μm, the average particle size of silicon dioxide is 150nm, and the average particle size of titanium dioxide is 300nm.

[0057] Preparation of paint:

[0058] (1) Slurry mixing: Add deionized water, dispersant, antifreeze and a part of defoamer to the paint dispersion tank according to the above formula, and add light reflective fillers, heat insulation fillers, anti-corrosion fillers and ordinary fillers after mixing evenly , dispersed for 30 minutes at 1000 rev / min rotating speed to obtain a slurry;

[0059] (2) Slurry grinding: use a horizontal sand mill to grind the above energy-saving slurry, and mix the energy-saving slurry prepared in the above step (1) with...

Embodiment 2

[0062] The formula composition of water-based industrial thermal insulation coatings is shown in the following table:

[0063]

[0064]

[0065] The particle size of tin antimony oxide in the above table is 70nm, and the average particle size of titanium dioxide is 300nm.

[0066] Preparation of paint:

[0067] (1) Slurry mixing: add water, dispersant, antifreeze and a part of defoamer to the paint dispersion tank according to the above formula, and add light reflective filler, anti-corrosion filler and ordinary filler after mixing evenly, at 1200 rpm Disperse for 30 minutes at a rotating speed to obtain a slurry;

[0068] (2) Slurry Grinding: Use a horizontal sand mill to grind the above energy-saving slurry, mix the energy-saving slurry prepared in the above step (1) with the grinding medium at a volume ratio of 1:1.1, and adjust the speed to 2000 Grind for 60 minutes after rev / min and filter the material;

[0069] (3) Preparation of water-based industrial thermal i...

Embodiment 3

[0071] The formula composition of water-based industrial thermal insulation coatings is shown in the following table:

[0072]

[0073]

[0074] The thermal conductivity of the airgel powder in the above table is 0.02w / (m k), and the density is 240kg / m 3 , the specific surface area is 220m 2 / g, the particle size is 3-8μm, the particle size of tin antimony oxide is 70nm, and the average particle size of titanium dioxide is 300nm.

[0075] Preparation of paint:

[0076] (1) Slurry preparation: add water, dispersant, antifreeze and a part of defoamer to the paint dispersion tank according to the above formula, and add light reflective filler, heat insulation filler, anti-corrosion filler and common filler after mixing evenly. Disperse for 30 minutes at 1200 rev / min rotating speed to obtain slurry;

[0077] (2) Slurry Grinding: Use a horizontal sand mill to grind the above energy-saving slurry, mix the energy-saving slurry prepared in the above step (1) with the grinding...

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Abstract

The invention relates to an industrial coating, in particular to a water-based industrial insulation coating with light reflection, heat insulation and corrosion protection effects and a preparation method thereof. The coating is prepared from the following components in percentage by weight: 25 percent to 50 percent of polymer emulsion, 5 percent to 30 percent of light reflective filler, 1 percent to 5 percent of nanofiller, 5 percent to 10 percent of heat-insulating filler, 5 percent to 10 percent of anti-corrosion filler, 5 percent to 8 percent of normal filler, 0 percent to 10 percent of curing agent, 1 percent to 5 percent of dispersing agent, 0.1 percent to 4 percent of coalescing agent, 0.1 percent to 2 percent of thickening agent, 0 percent to 1 percent of defoaming agent, 0.01 percent to 0.5 percent of PH (Potential Of Hydrogen) regulator, 0.1 percent to 2 percent of wetting agent, 0.5 percent to 1 percent of antifreezing agent, and the balance of deionized water. The coating provided by the invention has the effects on light reflection, heat insulation and corrosion protection at the same time, can be applied in the fields of storage tanks, pipelines, outdoor equipment, containers and the like, has the characteristics of safety, nontoxicity, environmental protection and pollution free, and has favorable weather fastness, stain resistance, salt fog resistance and scrubbing resistance.

Description

technical field [0001] The invention relates to industrial coatings, a water-based industrial thermal insulation coating with light reflection, heat insulation and anti-corrosion effects and a preparation method thereof. Background technique [0002] As the most commonly used finishing material, coatings are gradually developing from simple protection and decoration purposes to broader functional directions in the application field. Traditional industrial coatings are generally used on the surface of steel structures such as storage tanks, pipelines, containers, outdoor equipment, load-bearing devices, etc., to play the role of anti-corrosion and decoration. Since the 13th Five-Year Plan, "reducing the discharge of three wastes", "improving intrinsic safety" and "saving energy consumption" have become major issues to be solved in the industrial field and hot topics that have attracted much attention. It will be of high economic value to develop industrial coatings that inte...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D127/12C09D133/14C09D7/12C09D5/08C09D5/33
CPCC08L2205/035C09D5/004C09D5/08C09D5/084C09D7/61C09D7/63C09D7/65C09D7/70C09D127/12C09D133/00C09D133/14C08L71/02C08L75/04C08L83/04C08K13/02C08K2003/2241C08K2003/2227C08K3/36C08K2003/265C08K2003/3045C08K5/103C08K3/32C08K5/053C08K13/04C08K2003/2296C08K3/22C08K2003/2272C08K7/26C08K3/34C08K5/29C08K5/06C08K7/28
Inventor 董仕晋刘歌庞帅魏峰王瑛
Owner SHENYANG RES INST OF CHEM IND
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