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Aqueous one-component solar energy adsorption coating

A solar energy absorption, one-component technology, applied in the chemical industry, can solve the problems of large-scale promotion and application restrictions, strict requirements on substrates, complex processes, etc., and achieve the effects of excellent adhesion, energy saving, and high solar energy absorption rate.

Active Publication Date: 2012-01-11
CHANGCHUN HUARI PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although CND, vacuum evaporation, radio frequency sputtering and other processes have been able to prepare light-emitting materials with good spectral selectivity, large-scale application is limited due to the disadvantages of complex process, high cost, and strict requirements on substrates.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] 50 kg of acrylic resin modified polysiloxane emulsion, 25 kg of PbS, 20 kg of deionized water, and 8 kg of an alkylammonium salt solution of a polyfunctional polymer were respectively weighed as raw materials.

[0019] Acrylic resin modified polysiloxane emulsion, PbS or FeMnCuO 4 , deionized water, and the alkylammonium salt solution of the multifunctional polymer are stirred in the feeding tank, and the interval between each feeding is 10 minutes, and the stirring is stopped after all the feeding is completed for 30-40 minutes.

[0020] After mixing fully, send the mixed paint liquid into the grinder and start grinding. When the fineness is 5 μm (measured by the fineness scraper), the paint liquid is introduced into the paint mixing tank.

[0021] Filter with 200 mesh silk cloth.

Embodiment 2

[0024] Take respectively the acrylic resin modified polysiloxane emulsion of raw material 60kg, the FeMnCuO of 20kg 4 , 30kg of deionized water, 10kg of alkylammonium salt solution of multifunctional polymer.

[0025] Production technology is with embodiment 1.

[0026] Application example: Take the above paint and test it according to the relevant national standards, the solar absorption rate a s is 0.9, the thermal emissivity ε is 0.4, a s / ε is 2.25.

Embodiment 3

[0028] Take respectively the acrylic resin modified polysiloxane emulsion of raw material 55kg, the FeMnCuO of 15kg 4 , 25kg of deionized water, 5kg of alkyl ammonium salt solution of multifunctional polymer.

[0029] Production technology is with embodiment 1.

[0030] Application example: Take the above paint and test it according to the relevant national standards, the solar absorption rate a s is 0.93, the thermal emissivity ε is 0.25, a s / ε is 3.72.

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PUM

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Abstract

The invention relates to an aqueous one-component solar energy adsorption coating, in particular to an improvement of coating production technology; the raw materials and the proportioning range are that by weight ratio: 50-60 of acrylic resin modified polyorganosiloxane emulsion, 20-30 of deionized water, 20-25 of PbS or FeMnCuO4 and 5-10 of multi-functional-group polymeric alkyl ammonium salt solution; the aqueous one-component solar energy adsorption coating has the beneficial effects that: 1. the coating has the characteristics of noninflammability, no environment pollution and energy saving; 2. the coating has good adhesive force to bottom material, and has good shock resistance, bending resistance and humidity resistance; 3. the coating has good aging resistance and salt fog resistance; 4. the solar energy absorptivity of the coating is high.

Description

technical field [0001] The invention belongs to the technical field of chemical industry and relates to the improvement of a paint production technology. Background technique [0002] Solar energy is the most important source of energy on the earth, and it has many advantages that traditional energy sources cannot match. The total radiant energy from the sun to the ground is as high as 6×10 9 KW is equivalent to more than 50,000 times the total power generation in the world at present, and it is inexhaustible. It is also a kind of clean energy and does not pollute the environment. However, solar energy firstly has energy dispersion and low energy density per unit area; secondly, solar energy is greatly affected by day and night, seasons and climates, which makes the utilization of solar energy encounter various difficulties. [0003] The key to utilizing solar energy is to collect the sun's radiant energy to the maximum extent. From a technical and economic point of view,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D183/04C09D133/00C09D7/12C09D5/32
Inventor 陈冬冬贺浩然张大鹏
Owner CHANGCHUN HUARI PAINT
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