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Solar-absorbing coating

A solar energy absorption and coating technology, applied in the field of solar energy absorption coatings, can solve the problem that solar water heaters, greenhouses or other buildings cannot be coordinated into one, and the coatings of solar energy absorption coatings have poor weather resistance, poor gloss and color retention, and poor decoration. and other problems, to achieve the effects of excellent gloss and color retention, improved physical and chemical properties, and excellent absorption properties

Active Publication Date: 2011-07-27
西安经建油漆有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a solar absorbing paint, which improves the disadvantages of existing solar absorbing paints such as single color and poor decoration, and provides a color with certain coordination with the environment Coating, coating can not only convert solar energy into heat energy with high efficiency, but also has excellent weather resistance, gloss and color retention

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] 1. Prepare black solar absorbing paint: take 28 kg of acrylic resin with a concentration of 50%, 1.0 kg of carbon black for pigment, 4 kg of industrial grade enamel black, and industrial grade chromium oxide green (Cr 2 o 3 ) 1.1 kg, 800 mesh talcum powder (3MgO·4SiO 2 ·H 2 O) 15 kg, 800 mesh precipitated barium sulfate (BaSO 4 ) 8 kg, industrial grade organic bentonite 0.6 kg, KH-550 silane coupling agent (H 2 N·(CH 2 ) 3 Si (OC 2 h 5 ) 3 ) 0.2 kg, P104S dispersant 1.5 kg, silicone oil solution with a concentration of 1% 0.1 kg, industrial grade dibutyl phthalate (C 16 h 22 o 4 ) 2 kg, technical grade acetone (C 3 h 6 O) 6 kg, technical grade butyl acetate (C 6 h 12 o 2 ) 8 kg, industrial grade xylene (C 8 h 10 ) 24.7 kg.

[0027] 2, the manufacture method of coating of the present invention:

[0028] 1) Dilution of the coupling agent: Add the coupling agent of the above formula into the container, then add half of the solvent of the above formula, s...

Embodiment 2

[0034] 1. Prepare black solar absorbing paint: 35 kg of acrylic resin with a concentration of 50%, 2.4 kg of carbon black for pigment, 9 kg of industrial grade enamel black, 1.8 kg of industrial grade chromium oxide green, 18 kg of 800-mesh talcum powder, and 800-mesh precipitated sulfuric acid 11 kg of barium, 0.6 kg of industrial-grade organic bentonite, 0.5 kg of KH-550 silane coupling agent with a concentration of 95%, 1.9 kg of P104S dispersant, 0.1 kg of silicone oil with a concentration of 1%, and industrial-grade dibutyl phthalate 5 kg of ester, 8 kg of industrial grade acetone, 10 kg of industrial grade butyl acetate, and 26.7 kg of industrial grade xylene.

[0035] 2, the manufacture method of coating of the present invention: with embodiment 1.

Embodiment 3

[0037] 1. Prepare black solar absorbing paint: 31 kg of acrylic resin with a concentration of 50%, 1.8 kg of carbon black for pigment, 6 kg of industrial grade enamel black, 1.5 kg of industrial grade chromium oxide green, 16 kg of 800-mesh talcum powder, and 800-mesh precipitated sulfuric acid 9 kg of barium, 0.6 kg of industrial-grade organic bentonite, 0.4 kg of KH-550 silane coupling agent with a concentration of 95%, 1.7 kg of P104S dispersant, 0.1 kg of silicone oil with a concentration of 1%, and industrial-grade dibutyl phthalate 3 kg of ester, 7 kg of industrial grade acetone, 9 kg of industrial grade butyl acetate, and 25.7 kg of industrial grade xylene.

[0038] 2, the manufacture method of coating of the present invention: with embodiment 1.

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Abstract

The invention relates to a solar-absorbing coating used for converting solar energy (sunlight) into thermal energy, and provides three kinds of selective solar-absorbing coatings. The coating is prepared from resin, absorbents, extender pigments, addition agents and solvents, and the color of the coating is formed by mixing a plurality of absorbents (pigments); the coating mainly plays the role of converting the solar energy into the thermal energy, and has the certain function of decoration; and the color of the coating is brownish red, bottle green and black, and the absorptance of the coating to sunlight is 0.95, therefore the coating can be used as a heat-absorbing coating for solar water heaters, solar greenhouses and military image decoys.

Description

technical field [0001] This invention relates to a coating, and more particularly to a solar absorbing coating for converting solar energy (light) into heat. Background technique [0002] Solar-absorbing coatings mainly convert solar energy (light) into heat energy. The existing solar-absorbing coatings are basically black, single in color, and poor in decoration. They cannot coordinate solar water heaters, greenhouses or other buildings, and are not suitable for military equipment. . At the same time, the weather resistance, gloss and color retention of the coating of the existing solar absorbing coating are not good. Contents of the invention [0003] The purpose of the present invention is to provide a solar absorbing paint, which improves the disadvantage of the existing solar absorbing paint with single color and poor decoration, and provides a color coating with a certain degree of coordination with the environment. The coating can not only convert solar energy into...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D5/32
Inventor 杜宏印王宁陈战利
Owner 西安经建油漆有限责任公司
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