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High-performance architectural reflective thermal insulation coating, and preparation method and applications thereof

A reflective heat-insulating coating, high-performance technology, applied in the direction of reflection/signal coatings, coatings, etc., can solve the problems of unstable performance, single color, large limitations, etc., and achieve the best heat insulation effect

Active Publication Date: 2014-04-23
SHANGHAI RES INST OF BUILDING SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there are many studies on architectural reflective heat-insulating coatings, there are still many problems in practical applications, such as: unstable performance, although the reflective heat-insulating coatings reported in patent 200510028388. Single, mainly white or light-colored paint, with relatively large limitations, etc.
Therefore, the existing reflective and heat-insulating coatings for buildings restrict their application in the field of building energy conservation.

Method used

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  • High-performance architectural reflective thermal insulation coating, and preparation method and applications thereof
  • High-performance architectural reflective thermal insulation coating, and preparation method and applications thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0021] (1) Preparation of infrared radiation powder: in the matrix Al 2 O 3 Add 15% MnO to the powder 2 And 10% mass fraction of TiO 2 The powder is thoroughly mixed and then sieved. The powder is put into a high-alumina ceramic crucible and kept at 1150°C for 2 hours. The synthesized product is crushed and ground to obtain an infrared radiation type powder.

[0022] (2) Preparation of reflective insulation coating: a. Add 0.3 parts of dispersant, 0.2 part of wetting agent, 0.3 part of defoamer and other additives into 16 parts of deionized water according to the formula amount, at a speed of 300~500r / min Stir for 5 min to obtain a thorough mixing; b. Add 16 parts of rutile titanium dioxide, 5 parts of infrared radiation powder, 6 parts of talc and 6 parts of kaolin to the mixture obtained in step a, and disperse for 45 min at a rotation speed of 1000-2000r / min A mixed system with a fineness of 60 μm is obtained; c. At a speed of 300 to 600 r / min, add 40 parts of film-forming mate...

Embodiment 2

[0024] (1) Preparation of infrared radiation powder: in the matrix Al 2 O 3 Add 20% MnO to the powder 2 And 10% mass fraction of TiO 2 The powder is thoroughly mixed and then sieved. The powder is put into a high-alumina ceramic crucible and kept at 1250°C for 2 hours. The synthesized product is crushed and ground to obtain an infrared radiation type powder.

[0025] (2) Preparation of reflective insulation coating: a. Add 0.3 parts of dispersant, 0.2 part of wetting agent, 0.3 part of defoamer and other additives into 16 parts of deionized water according to the formula amount, at a speed of 300~500r / min Stir for 5min to get a thorough mixing; b. Add 18 parts of rutile titanium dioxide, 6 parts of infrared radiation powder, 5 parts of talc and 5 parts of kaolin to the mixture obtained in step a, and disperse for 45min at a rotation speed of 1000~2000r / min A mixed system with a fineness of 60 μm is obtained; c. At a rotation speed of 300 to 600 r / min, add 40 parts of film-forming ...

Embodiment 3

[0027] (1) Preparation of infrared radiation powder: in the matrix Al 2 O 3 Add 20% MnO to the powder 2 And 10% mass fraction of TiO 2 The powder is thoroughly mixed and then sieved. The powder is put into a high-alumina ceramic crucible and kept at 1150°C for 3 hours. The synthesized product is crushed and ground to obtain an infrared radiation type powder.

[0028] (2) Preparation of reflective insulation coating: a. Add 0.3 parts of dispersant, 0.2 part of wetting agent, 0.3 part of defoamer and other additives into 15 parts of deionized water according to the formula amount, at a speed of 300~500r / min Stir for 5 minutes to get a thorough mixing; b. Add 18 parts of rutile titanium dioxide, 5 parts of infrared radiation powder, 5 parts of talc and 5 parts of kaolin to the mixture obtained in step a, and disperse for 45 minutes at a speed of 1000-2000r / min A mixed system with a fineness of 60 μm is obtained; c. At a rotation speed of 300 to 600 r / min, sequentially add 45 parts of...

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Abstract

The invention discloses a high-performance architectural reflective thermal insulation coating. 100 parts of the high-performance architectural reflective thermal insulation coating comprise following raw materials, by weight, 40 to 50 parts of a film forming agent, 15 to 25 parts of rutile titanium dioxide, 5 to 15 parts of a functional filling material, 5 to 15 parts of an infrared radiation powder, 5 to 10 parts of kaolin, 5 to 10 parts of talc, 0.2 to 0.5 part of an antifoaming agent, 0.2 to 0.4 part of a wetting agent, 0.2 to 0.4 part of a dispersant, 0.3 to 0.6 part of a thickening agent, 1 to 3 parts of a film forming auxiliary agent, and the balance deionized water. The infrared radiation powder is an ultrafine powder with high radiancy, and is prepared via high-temperature sintering of a plurality of metal oxides. The novel water-based thermal insulation coating is prepared via combination of traditional thermal insulation effects of hollow microspheres, and is suitable for applications in the field of thermal insulation of new building outer walls and improvement of existing buildings; and high radiancy and high radiation play a major role, and traditional thermal insulation effect plays a minor role in thermal insulation.

Description

Technical field [0001] The invention belongs to the technical field of architectural coatings, and specifically relates to a high-performance water-based architectural reflective and heat-insulating coating and a preparation method and application thereof. technical background [0002] With the rapid development of the national economy, the energy crisis is particularly prominent in my country. The data shows that the energy consumption of buildings accounts for about 25%-40% of my country's total energy consumption. Among them, the energy consumed by cooling equipment such as air conditioners and fans in summer accounts for 20% of the annual energy consumption. It's a huge waste. In today's new form of advocating energy conservation, consumption reduction and emission reduction, energy conservation is particularly important. [0003] Architectural reflective and thermal insulation coatings are new functional architectural coatings that have been applied and valued in recent years...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D7/12C09D5/33
Inventor 杨霞夏文丽王琼
Owner SHANGHAI RES INST OF BUILDING SCI CO LTD
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