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Coating with heat insulation reflection function and preparation method thereof

A technology of thermal insulation reflection and functional materials, applied in the field of coatings, can solve the problems of poor thermal insulation reflection function, single paint color, high energy consumption, etc., and achieve the effect of easy construction, good hand feel, and enhanced coating life.

Active Publication Date: 2016-08-24
SKSHU PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as a heat-reflecting functional material, titanium dioxide only plays a role on the surface layer of titanium dioxide particles, and titanium dioxide is a high-energy-consuming material. Its application in exterior wall coatings has poor heat insulation and reflection functions, single color paint, and low cost. high

Method used

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  • Coating with heat insulation reflection function and preparation method thereof
  • Coating with heat insulation reflection function and preparation method thereof
  • Coating with heat insulation reflection function and preparation method thereof

Examples

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specific Embodiment approach

[0028] A coating with heat insulation and reflection function, which is prepared from the following components in the following mass fraction ratio:

[0029]

[0030]

[0031] The heat-insulating reflective functional material is polystyrene core-titanium dioxide shell hybrid particles; the emulsion is one of pure acrylic emulsion, silicon acrylic emulsion or vinegar acrylic emulsion; the kaolin is calcined kaolin or washed kaolin or both Mix as you like.

[0032] The polystyrene core-titanium dioxide shell hybrid particle is prepared according to the following method:

[0033] (A) Preparation of polystyrene microspheres:

[0034] Add a certain amount of water into the reactor, raise the temperature to 60-90°C, add styrene, acrylic monomer and initiator dropwise, keep the temperature at 60-90°C for 4-12h after the addition, and then centrifuge , washing and drying to obtain polystyrene microspheres, wherein the mass ratio of styrene to water is 1:15-1:30, the mass rati...

Embodiment 1

[0044] Embodiment 1: A kind of coating with heat-insulating reflective function, it is formulated by following components by following mass fraction ratio:

[0045]

[0046]

[0047] The heat-insulating reflective functional material is polystyrene core-titanium dioxide shell hybrid particles.

[0048]The preparation method of the coating with heat insulation reflection function described in this embodiment is prepared according to the following method:

[0049] (1) At a speed less than 500r / min, add water, hydroxyethyl cellulose, and pH regulator in order to disperse for 1 min;

[0050] (2) Increase the speed to 800r / min, first add wetting agent, dispersant, defoamer, anti-fungal agent in sequence, then add titanium dioxide, heavy calcium, calcined kaolin and heat-insulating and reflective functional materials, and then increase the speed to 1800r / min, disperse for 20min;

[0051] (3) Reduce the rotating speed to 1000r / min, add emulsion, film-forming aid, and antifre...

Embodiment 2

[0052] Embodiment 2: A kind of coating with heat-insulating reflective function, it is formulated by following components by following mass fraction ratio:

[0053]

[0054] The heat-insulating reflective functional material is polystyrene core-titanium dioxide shell hybrid particles.

[0055] The preparation method of the coating with heat insulation reflection function described in this embodiment is prepared according to the following method:

[0056] (1) At a speed less than 500r / min, add water, hydroxyethyl cellulose, and pH regulator in order to disperse for 3 minutes;

[0057] (2) Increase the speed to 900r / min, first add wetting agent, dispersant, defoamer, bactericide and antifungal agent in sequence, then add titanium dioxide, heavy calcium, calcined kaolin and heat-insulating and reflective functional materials, and then increase the speed to 1900r / min, disperse for 18min;

[0058] (3) Reduce the rotating speed to 1100r / min, add emulsion, film-forming aid, and ...

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Abstract

The present invention relates to a kind of coating with heat insulation reflection function and its preparation method. The coating with heat insulation reflection function of the present invention is prepared from the following components: water, emulsion, self-made material with heat insulation reflection function, titanium dioxide, Calcined kaolin or washed soil, heavy calcium, wetting agent, dispersant, defoamer, bactericidal preservative, film-forming aid, antifreeze. The coating with heat-insulating and reflecting function of the present invention has higher total solar energy reflectivity (>85%), good construction performance, smooth and smooth paint film, and can avoid the decline of reflectivity and emissivity during use, thereby Affects the heat insulation effect and can improve the weather resistance of the paint film.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a coating with a heat-insulating and reflecting function and a preparation method thereof. Background technique [0002] The intensity of solar radiation received by the earth's surface is 1368W / ㎡, which is the main source of the earth's heat and the reason for the high temperature in summer. Therefore, air-conditioning energy consumption has become the main aspect of building energy consumption. With the in-depth development of building energy conservation in our country, the research on heat-insulating reflective coatings is increasingly valued by the government and enterprises. Heat-insulating reflective coating is a coating that mainly reflects the near-infrared part of sunlight effectively. It can reduce the absorption of solar radiation energy by the surface of an object, and is a passive cooling coating. [0003] Among the solar heat that everyone knows at present, ultraviolet li...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/04C09D131/04C09D5/33C09D7/12C08F212/08C08F220/06
Inventor 洪杰詹俊英林金斌王燕魏川林伟
Owner SKSHU PAINT
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