Novel water-based heat-insulating reflective coating and preparation method thereof

A thermally reflective, water-based technology, applied in reflective/signal coatings, coatings, etc., to solve problems such as eye irritation, increased building energy consumption, blind spots, etc.

Inactive Publication Date: 2018-02-23
NANCHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the strong reflection of sunlight on the exterior wall of the building will cause eye irritation and blind spots, which is not conducive to the beauty of the building
Therefore, certain pigments must be added to the exterior wall paint for color matching. This pigment will cover the base color of TiO2, causing strong absorption of sunlight, thereby increasing building energy consumption.

Method used

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  • Novel water-based heat-insulating reflective coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: Weigh 1.2g of hydroxyethyl cellulose and dissolve it in 150g of water, adjust the pH value to 8-9, after the hydroxyethyl cellulose is completely dissolved, add 0.5g of defoamer and 2g of dispersant, and stir evenly . Then add 80g of titanium dioxide, 200g of heavy calcium, and stir at high speed for 1-2h. After the mixture is completely stirred and the particles are fine, add 120g of acrylic emulsion, 3g of thickener and 15g of film-forming aid, and stir for 1 hour at a low speed. Final discharge.

Embodiment 2

[0021] Example 2: Weigh 1.2g of hydroxyethyl cellulose and dissolve it in 150g of water, adjust the pH value to 8-9, after the hydroxyethyl cellulose is completely dissolved, add 0.5g of defoamer and 2g of dispersant, and stir evenly . Then add 80g of titanium dioxide, 200g of heavy calcium, and stir at high speed for 1-2h. After the mixture is completely stirred and the particles are fine, add 120g of acrylic emulsion, 3g of thickener, 15g of film-forming aid, 10g of red color paste, and stir for 1 hour at a low speed. Final discharge.

Embodiment 3

[0022] Example 3: Weigh 1.2g of hydroxyethyl cellulose and dissolve it in 150g of water, adjust the pH value to 8-9, after the hydroxyethyl cellulose is completely dissolved, add 0.5g of defoamer and 2g of dispersant, and stir evenly . Then add 80g of titanium dioxide, 200g of heavy calcium and 10g of functional titanium dioxide, and stir at high speed for 1-2h. After the particles are completely stirred evenly and finely, add 120g of acrylic emulsion, 3g of thickener, 15g of film-forming aid and 10g of red cold pigment, and stir for 1 hour at low speed. Final discharge.

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Abstract

The invention provides a novel water-based heat-insulating reflective coating and a preparation method thereof. Novel titanium dioxide microbeads are added in the water-based coating so as to reflectnear infrared rays, cold paint is added so as to reduce the absorption of paint to near infrared rays, so that the absorption of the coating on the near infrared rays can be greatly reduced, and the building energy conservation effect can be achieved. Compared with the prior art, the novel water-based heat-insulating reflective coating has the following advantages: (1) the product is water-solubleresin so as not to be capable of causing environment pollution; and (2) the novel water-based heat-insulating reflective coating provides a novel building coating energy conservation method.

Description

technical field [0001] The invention relates to a reflective paint and a preparation method thereof, in particular to a novel water-based heat-insulating reflective paint and a preparation method thereof. Background technique [0002] As the global urban population continues to expand and the level of urbanization continues to increase, buildings consume more and more energy, resulting in more and more serious global environmental pollution and energy shortages. Building energy consumption mainly includes heating, cooling and electrical consumption. Among them, heating and cooling energy consumption accounts for 25% of the total global energy consumption. Reducing energy consumption and promoting green buildings are currently the main methods to reduce energy consumption in buildings. [0003] Heat-insulating reflective coatings for exterior walls are the most effective way to reduce building energy consumption. Traditional buildings use the advantages of low thermal condu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/33C09D7/61C09D7/65C09D7/41
CPCC09D133/00C08K2003/2241C08K2003/265C08K2201/014C09D5/004C08L1/284C08K3/22C08K3/26
Inventor 罗广圣周正有邓晓华
Owner NANCHANG UNIV
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