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A kind of water-based reflective heat-insulating coating and its preparation method and application

A reflective thermal insulation coating, water-based technology, applied in reflective/signal coatings, coatings, roofs using sealing aggregates, etc., can solve the problems of large construction scale, high indoor temperature comfort and energy saving requirements, and achieve energy saving Consumption promotion, avoiding the reduction of reflection effect, reducing the effect of temperature rise

Active Publication Date: 2022-03-22
METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the construction scale of railway passenger station buildings is generally large, super-large metal roofs are generally used, and people are densely populated, therefore, the requirements for indoor temperature comfort and energy saving are relatively high.

Method used

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  • A kind of water-based reflective heat-insulating coating and its preparation method and application
  • A kind of water-based reflective heat-insulating coating and its preparation method and application
  • A kind of water-based reflective heat-insulating coating and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Example 1 Water-based reflective insulation coating

[0050] In this example, the prepared water-based reflective heat-insulating coating is made of the following components in parts by weight: 30 parts of fluorosilicon emulsion, 35 parts of silicon acrylic emulsion, 3 parts of hollow ceramic microspheres, 3 parts of phase change particles 3 parts of nano-airgel powder, 20 parts of nano-titanium dioxide, 0.35 parts of water-based floating aluminum-silver paste, 0.35 parts of water-based non-leafing aluminum-silver paste, 1.5 parts of dispersant, 1.5 parts of defoamer, and 1.5 parts of rheology additive part, 0.8 part of antibacterial agent;

[0051] Its preparation method is as follows:

[0052] Put fluorosilicon emulsion, silicon acrylic emulsion, water-based floating aluminum-silver paste, water-based non-leafing aluminum-silver paste, film-forming aids, and antibacterial agents in a container, and disperse them for 14 minutes at a stirring rate of 1200r / min to obt...

Embodiment 2 to 6 and comparative example 1 to 5

[0053] Examples 2 to 6 and comparative examples 1 to 5: Water-based reflective insulation coating

[0054] Examples 2 to 6 and Comparative Examples 1 to 5 were all prepared according to the preparation method in Example 1, and the specific component compositions are shown in Table 1.

[0055] Table 1: Component compositions contained in the water-based reflective heat-insulating coatings prepared in Examples 1-6 and Comparative Examples 1-5.

[0056]

Embodiment 7

[0057] Embodiment 7: performance test

[0058] 1. Preparation of test samples

[0059] In order to better simulate the actual application conditions, this example adopts the heat insulation system of "anti-corrosion primer layer + reflective heat-insulation coating" for performance testing. The test sample is a 3mm sandblasted steel plate, and the anti-corrosion primer is ZD800 (W) water-based Epoxy zinc-rich primer (Tianjin Shuangshi Paint Co., Ltd.), according to different test requirements, scrape reflective heat-insulating coating for performance testing, among which the matching reflective heat-insulating coating for salt spray resistance and sunlight reflection ability test The layer thickness was 1.0 mm.

[0060] The method of preparing the test sample of the reflective thermal insulation coating is as follows:

[0061] Step 1: Clean up the floating dust and dirt on the surface of the base surface, and spray the anti-corrosion primer after the surface is dry;

[00...

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Abstract

The invention provides a water-based reflective heat-insulating coating and its preparation method and application, wherein, in parts by weight, the water-based reflective heat-insulating coating comprises the following components: 30-45 parts of fluorosilicon emulsion, 20-45 parts of silicon-acrylic emulsion 35 parts, 9-18 parts of filler, 15-25 parts of nano-titanium dioxide, 0.2-3 parts of water-based floating aluminum silver paste, 0.2-3 parts of water-based non-leafing aluminum-silver paste, 0.9-4.5 parts of film-forming aid, antibacterial Dose 0.1‑0.8 parts.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based reflective heat-insulating coating and a preparation method and application thereof. Background technique [0002] Under the scorching sun in summer, the atmospheric temperature is generally above 30°C. When the outer surfaces of building materials such as cement, concrete, tiles, metal, insulation bricks, and glass are exposed to the sun for a long time, their temperature can reach 40-50°C. , and when the color steel plate, waterproof material, etc. are exposed to the sun for a long time, their temperature can even reach a scalding temperature of 60-70°C. The above-mentioned situation has adversely affected normal human habitation, material storage, and equipment safety. [0003] It is known in the art that the application of reflective heat-insulating coatings on building surfaces can effectively reduce the temperature of the building's surface and interior, and can allev...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/08C09D133/04C09D5/33E04D7/00
CPCC09D183/08C09D143/04C09D5/004E04D7/00C08K2201/011C08K2003/2241C08K2201/005C08K2003/0812C08K2201/014C08L43/04C08K13/04C08K7/24C08K3/22C08K3/08C08L83/08
Inventor 王涛贾恒琼祝和权张恒杜存山魏曌吴韶亮王玮李海燕石振平史懿杜玮伊钟毓
Owner METALS & CHEM RES INST CHINA ACAD OF RAILWAY SCI
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