Composite Metal Hollow Dielectric Microsphere Thermal Insulation Coating

A thermal insulation coating, composite technology, applied in the direction of reflection/signal coatings, coatings, etc., to achieve the best thermal insulation, reduce spontaneous radiation, good thermal insulation effect

Inactive Publication Date: 2011-11-30
SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are not many studies on this aspect. At most, the two kinds of heat insulation mechanisms can be combined, and the coating that fully integrates the three heat insulation mechanisms has not yet appeared. It is waiting for our paint workers to study it.

Method used

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  • Composite Metal Hollow Dielectric Microsphere Thermal Insulation Coating
  • Composite Metal Hollow Dielectric Microsphere Thermal Insulation Coating
  • Composite Metal Hollow Dielectric Microsphere Thermal Insulation Coating

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Embodiment Construction

[0019] Below by embodiment and accompanying drawing, the present invention is described in further detail:

[0020] The preparation method of the present invention: take 1000ml of water-based acrylic resin with a density of 1.124g / ml, add 280g of copper-plated hollow medium microspheres, add 30g of dispersant Dispers 750W to adjust the viscosity of the coating, add 80g of film-forming aid Dowanol DPnB to improve film-forming Effect, add 16g of defoamer Foamex 1488, stir the prepared coating with a high-speed dispersion mixer for 2 hours at room temperature, then use spraying or brushing to form a coating on the surface of a 4mm thick steel plate, and dry naturally at room temperature.

[0021] The surface of the coating film formed on the surface of the metal substrate by the present invention is smooth and even, and the adhesive force is good. The metal hollow medium microspheres are closely arranged in the thermal insulation coating, and the distribution is relatively uniform...

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Abstract

The invention discloses a composite metal hollow medium microsphere heat-insulating coating, which is composed of metal hollow medium microspheres, a film-forming agent, a dispersant, a film-forming auxiliary agent and a defoamer, and the mass ratio of each component is: : Metal hollow medium microspheres 15-20%, film-forming agent 70-75%, dispersant 1.0-3.0%, film-forming aid 3.0-10.0%, defoamer 1.0-2.0%. In the 1.3-10 μm infrared band where solar radiation heat is concentrated, the coating has a reflectivity of more than 85 percent, spontaneous radiation consistent with the base material, and good heat insulation effect. The invention has the advantages of combining radiation, reflection and blocking multiple heat insulation mechanisms, and has the characteristics of low spontaneous radiation, high solar heat reflectivity and good heat insulation effect.

Description

technical field [0001] The invention relates to heat-insulating paint technology, in particular to a composite metal hollow medium microsphere heat-insulating paint which integrates three heat-insulating mechanisms of radiation, reflection and barrier. Background technique [0002] Since the 20th century, the world's increasing energy consumption has had a huge impact on human development. Energy conservation and consumption reduction has become a hot spot in current scientific research and technology development. Coating technology is no exception. The development of coatings with thermal insulation effects has great practical significance. This kind of coating can be used in aerospace, automobile, storage and transportation, petrochemical and other industries to reduce the surface temperature of various equipment exposed to solar heat radiation and improve the working environment; it can also be used for indoor heat insulation, exterior walls and roofs in the construction i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D133/02C09D5/33C09D7/12
Inventor 张建标胡伟达陈效双陆卫
Owner SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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