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A kind of infrared reflective heat insulation coating and preparation method thereof

A heat-insulating coating and infrared reflection technology, applied in the direction of reflection/signal coating, coating, etc., to achieve the effect of improving reflectivity, fewer types of raw materials, and low thermal conductivity

Active Publication Date: 2017-01-11
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In recent years, with the development of phosphorus chemical enterprises, the discharge of phosphogypsum is increasing day by day. The annual by-product discharge of phosphogypsum in many key phosphorus chemical enterprises reaches 1 million to 2 million tons, but most of the phosphogypsum is in a state of stockpiling. Phosphogypsum has become a bottleneck restricting the development of phosphorus chemical industry and a major problem in environmental protection

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  • A kind of infrared reflective heat insulation coating and preparation method thereof

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Embodiment 1

[0030] An infrared reflective heat-insulating coating, which contains the following raw material components by weight percentage: 60% of film-forming emulsion, 6% of rutile titanium dioxide, 2% of hollow glass microspheres (heat-insulating filler), surface stabilization treatment Hemihydrate gypsum whiskers 6%, propylene glycol (film-forming aid) 1.5%, simethicone (defoamer) 2%, polyvinyl alcohol (thickener) 0.5%, sodium hexametaphosphate (dispersant) 0.5%, water 21.5%. Wherein, the film-forming emulsion includes, by mass percentage: 5% styrene-acrylic emulsion, 0.5% silane coupling agent KH570, and 94.5% vinyl acetate-ethylene copolymer emulsion (commercially available VAE707 emulsion).

[0031] The preparation method of the above-mentioned infrared reflective heat-insulating coating comprises the following steps:

[0032] 1) According to the above ratio, add 6g of rutile titanium dioxide, 6g of hemihydrate gypsum whiskers, 0.5g of sodium hexametaphosphate (dispersant), and ...

Embodiment 2

[0036] An infrared reflective heat-insulating coating, which contains the following raw material components by weight percentage: 60% of film-forming emulsion, 6% of rutile titanium dioxide, 2% of hollow glass microspheres (heat-insulating filler), surface stabilization treatment Anhydrite whiskers 6%, propylene glycol (film-forming aid) 1.5%, sodium dodecylbenzenesulfonate (defoamer) 2%, polyvinyl alcohol (thickener) 0.5%, sodium hexametaphosphate (dispersant) 0.5%, water 21.5%. Wherein, the film-forming emulsion includes, by mass percentage: 10% of styrene-acrylic emulsion, 1% of silane coupling agent KH570, and 89% of vinyl acetate-ethylene copolymer emulsion (commercially available VAE707 emulsion).

[0037] The preparation method of the above-mentioned infrared reflective heat-insulating coating comprises the following steps:

[0038] 1) According to the above ratio, add 6g of rutile titanium dioxide, 6g of anhydrite whiskers, 0.5g of sodium hexametaphosphate (dispersant...

Embodiment 3

[0041] An infrared reflective heat-insulating coating, which contains the following raw material components by weight percentage: 50% of film-forming emulsion, 10% of rutile titanium dioxide, 3% of mica (heat-insulating filler), surface-stabilized hemihydrate Gypsum whiskers 10%, ethylene glycol (film-forming aid) 2%, sodium dodecylbenzenesulfonate (defoamer) 3%, hydroxyethyl cellulose (thickener) 1.5%, tripolyphosphoric acid Sodium (dispersant) 0.5%, water 20%. Wherein, the film-forming emulsion includes, by mass percentage: 15% of styrene-acrylic emulsion, 0.5% of silane coupling agent KH570, and 84.5% of vinyl acetate-ethylene copolymer emulsion (commercially available VAE707 emulsion).

[0042] The preparation method of the above-mentioned infrared reflective heat-insulating coating comprises the following steps:

[0043] 1) According to the above ratio, add 10g of rutile titanium dioxide, 10g of hemihydrate gypsum whiskers, 0.5g of sodium tripolyphosphate (dispersant), 2...

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Abstract

The invention relates to an infrared reflection thermal insulation coating, comprising the following raw materials in percentage by weight: 40-60% of film forming emulsion, 6-12% of rutile titania, 2-3% of thermal insulation filler, 6-12% of phosphogypsum whiskers, 1.5-5% of film forming additive, 1-5% of defoaming agent, 0.5-2% of thickening agent, 0.1-1% of dispersing agent and 15-35% of water. The coating can reflect visible light and infrared ray in sunlight to achieve the aims of saving energy and reducing consumption; in addition, the coating is favorable in elasticity and has waterproof and decorative effects.

Description

technical field [0001] The invention relates to an infrared reflective heat-insulating coating and a preparation method thereof, which are mainly used for exterior walls of buildings. Background technique [0002] Building energy consumption is an important part of my country's total energy consumption, accounting for about 1 / 3 of the whole society's energy consumption, which is 2-3 times that of developed countries. my country's construction industry is developing rapidly, and most of my country's buildings are high-energy non-energy-saving buildings. During use, heating, air conditioning, hot water supply, etc. consume a lot of energy. If no building energy-saving measures are taken, it is estimated that my country's building energy consumption will reach 108.9 billion tons of standard coal by 2020; Amazing amount. The goal of my country's building energy conservation is that by 2020, the total energy consumption of buildings in the whole society will reach 65% energy sav...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D131/04C09D125/14C09D7/12C09D5/33
Inventor 黄健稂合清马保国蹇守卫洪正东
Owner WUHAN UNIV OF TECH
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