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Coating as well as preparation method and application thereof

A paint and coating technology, applied in the field of paint and its preparation, can solve the problems of weakening thermal insulation effect, easy falling off of block materials, easy cracking, etc., and achieves easy mass production and application, simple and environmentally friendly preparation method, and low raw material price. low cost effect

Active Publication Date: 2020-08-28
CHINA JILIANG UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Traditional building energy-saving materials mostly use loose and large-porous blocks with small thermal conductivity, such as rigid polyurethane foam, expanded polystyrene foam, thermal insulation mortar, foam glass, foam concrete, etc., which mainly achieve heat insulation by insulating heat conduction, but Traditional block materials are prone to cracking and water seepage, which greatly weakens the thermal insulation effect
Moreover, the bulk material is easy to fall off and difficult to degrade, and the cost of disposal as construction waste in the later stage is relatively high

Method used

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  • Coating as well as preparation method and application thereof
  • Coating as well as preparation method and application thereof
  • Coating as well as preparation method and application thereof

Examples

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preparation example Construction

[0067] The fifth aspect of the present invention provides a method for preparing an energy-saving material, the method comprising: coating the above-mentioned coating on the surface of a substrate, and drying to obtain an energy-saving material containing the coating.

[0068] In some embodiments of the present invention, there is no limit to the drying conditions after the coating is coated on the surface of the substrate, and natural drying or drying in drying equipment can be used. Preferably, the drying temperature is 50 -100℃, the drying time is 20-24h.

Embodiment 1

[0072] (1) 5 g of glucose and 50 mL of water were subjected to a hydrothermal reaction at 180° C. for 5 h, and the obtained product was centrifuged, washed, dried and ground to obtain a first powder.

[0073] (2) Disperse 0.2g of the first powder in 30mL of ethanol, sonicate for 0.5h, magnetically stir for 0.5h, and disperse evenly to obtain A suspension; then take 4.05mmol of stannous chloride dihydrate and dissolve it in 20mL of ethanol , magnetically stirred for 1 h, then added 0.45 mmol of antimony trichloride, and continued to stir for 30 min to obtain solution B; then the A suspension was mixed with solution B, and the resulting mixed solution was subjected to a hydrothermal reaction at 180 ° C for 6 h, and the Centrifuge, wash, and dry to obtain the second powder; heat-treat the second powder at 550°C for 2h, that is, raise the temperature to 550°C at a rate of 5°C / min, keep it warm for 1h, disperse the obtained powder in ethanol, and Centrifuge at a speed of 100r / min, ...

Embodiment 2

[0078] (1) 5 g of glucose and 20 mL of water were subjected to a hydrothermal reaction at 200° C. for 3 h, and the obtained product was centrifuged, washed, dried and ground to obtain a first powder.

[0079] (2) Disperse 0.3g of the first powder in 30mL of ethanol, ultrasonicate for 1.5h, magnetically stir for 1.5h, and disperse evenly to obtain A suspension; then take 3.5mmol of stannous chloride dihydrate and dissolve it in 30mL of ethanol , magnetically stirred for 3 hours, then added 0.7 mmol of antimony trichloride, and continued to stir for 50 minutes to obtain solution B; then mixed the suspension of A and solution B, and carried out the hydrothermal reaction of the obtained mixed solution at 200 ° C for 3 hours. Centrifuge, wash, and dry to obtain the second powder; heat-treat the second powder at 550°C for 3h, that is, raise the temperature to 550°C at a speed of 5°C / min, keep it warm for 2h, disperse the obtained powder in ethanol, and Centrifuge at a speed of 100 / m...

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Abstract

The invention relates to the field of energy-saving materials, and discloses coating and a preparation method and application thereof. The coating comprises hollow tin antimony oxide, aerogel and silicone acrylic emulsion, and the mass ratio of the hollow tin antimony oxide to the aerogel to the silicone acrylic emulsion is 0.2-2.4: 0.1-2.4: 100. In the coating, the hollow tin antimony oxide filler is excellent in near-infrared barrier property, relatively small in heat conductivity coefficient and high in radiance; environmental heat radiation is resisted mainly in a scattering and radiationheat release form, the hollow design gives consideration to conduction and heat resistance. The coating belongs to a water-based material, is easy to degrade and environmentally friendly, and has no application potential safety hazard of a block material, so that the coating is not easy to crack and seep water, has a good heat preservation and insulation effect, is not easy to fall off and is easyto repair.

Description

technical field [0001] The invention relates to the field of energy-saving materials, in particular to coatings and their preparation methods and applications. Background technique [0002] In order to solve the energy crisis and improve the comfort of the living environment, energy-saving materials are widely used in building structures. Traditional building energy-saving materials mostly use loose and large-porous blocks with small thermal conductivity, such as rigid polyurethane foam, expanded polystyrene foam, thermal insulation mortar, foam glass, foam concrete, etc., which mainly achieve heat insulation by insulating heat conduction, but Traditional block materials are prone to cracking and water seepage, which greatly weakens the thermal insulation effect. Moreover, the bulk material is easy to fall off and difficult to degrade, and the cost of processing it as construction waste in the later stage is relatively high. New energy-saving materials are represented by c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D5/32C09D7/61C03C17/00C03C17/30
CPCC09D143/04C09D5/32C09D7/61C09D7/70C03C17/009C03C17/30C08K7/24C08K7/26
Inventor 徐扬刘源王敏嘉李贺东吴闻涛吴石路徐帅桦
Owner CHINA JILIANG UNIV
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