Heat absorption coating for solar heat absorbing panel

A flat-panel solar energy and heat-absorbing coating technology, applied in epoxy resin coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of the heat-absorbing effect, weather resistance and waterproof performance of solar heat-absorbing coatings, etc. Good endothermic and heat-resistant effects, good fluidity, and strong bonding effect

Inactive Publication Date: 2016-01-20
NANNING KEYU ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heat-absorbing coating on the flat-panel solar heat-absorbing plate is a functional coating, and the coating film made of it can convert solar energy into heat energy, but the heat-absorbing effect, weather resistance and waterproof performance of solar heat-absorbing coatings need to be improved urgently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A heat-absorbing coating for a flat solar heat-absorbing plate, the raw materials of which include by weight: 50 parts of fluorosilicone resin, 10 parts of novolac epoxy resin, 18 parts of epoxy-modified polyurethane resin, 1 part of triethanolamine, and 5 parts of polyvinylpyrrolidone 1 part of stearic acid, 6 parts of soybean oil, 0.5 parts of chlorinated paraffin, 10 parts of nickel powder, 2 parts of flake graphite powder, 10 parts of modified kaolin, 10 parts of sulfonated graphene, 8 parts of nano-carbon, 0.5 parts of titanium dioxide 3 parts, 3 parts of aluminum-zirconium coupling agent, 2 parts of ammonium dihydrogen phosphate.

Embodiment 2

[0017] A heat-absorbing coating for a flat-panel solar heat-absorbing plate, the raw materials of which include by weight: 20 parts of fluorosilicone resin, 30 parts of novolac epoxy resin, 5 parts of epoxy-modified polyurethane resin, 3 parts of triethanolamine, and 1 part of polyvinylpyrrolidone 3 parts of stearic acid, 1 part of soybean oil, 3 parts of chlorinated paraffin, 2 parts of nickel powder, 7 parts of flake graphite powder, 5 parts of modified kaolin, 16 parts of sulfonated graphene, 2 parts of nano-carbon, 3 parts of titanium dioxide parts, 1.5 parts of aluminum-zirconium coupling agent, and 8 parts of ammonium dihydrogen phosphate.

Embodiment 3

[0019] A heat-absorbing coating for flat solar heat-absorbing panels, the raw materials of which include, by weight, 40 parts of fluorosilicone resin, 23 parts of novolac epoxy resin, 10 parts of epoxy-modified polyurethane resin, 2.6 parts of triethanolamine, and 2 parts of polyvinylpyrrolidone 2.2 parts of stearic acid, 2 parts of soybean oil, 1.8 parts of chlorinated paraffin, 6 parts of nickel powder, 6 parts of flake graphite powder, 6 parts of modified kaolin, 14 parts of sulfonated graphene, 4 parts of nano-carbon, 2.4 parts of titanium dioxide 2 parts, 2 parts of aluminum-zirconium coupling agent, 6 parts of ammonium dihydrogen phosphate.

[0020] In the modified kaolin, put 20 parts of kaolin into the concentration of 35wt% ethanol solution by weight and soak for 20min, add 2 parts of γ-glycidyl etheroxypropyltrimethoxysilane and stir in vacuum for 50min, the vacuum degree is 0.4MPa, Stirring temperature is 90°C, then add 10 parts of calcium lignosulfonate under stirr...

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PUM

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Abstract

The invention discloses a heat absorption coating for a solar heat absorbing panel. The heat absorption coating is prepared from, by weight, 20-50 parts of fluoro-siloxane resin, 10-30 parts of novolac epoxy, 5-18 parts of epoxy modified polyurethane resin, 1-3 parts of triethanolamine, 1-5 parts of polyvinylpyrrolidone, 1-3 parts of stearic acid, 1-6 parts of soybean oil, 0.5-3 parts of chlorcosane, 2-10 parts of nickel powder, 2-7 parts of crystalline flake graphite powder, 5-10 parts of modified kaolin, 10-16 parts of sulfonation graphene, 2-8 parts of nanocarbon, 0.5-3 parts of titanium dioxide, 1.5-3 parts of aluminum-zirconium coupling agents and 2-8 parts of ammonium dihydrogen phosphate. The heat absorption coating is good in heat absorption effect and excellent in weather resistance and waterproof performance.

Description

technical field [0001] The invention relates to the technical field of coatings for solar heat absorbing panels, in particular to a heat absorbing coating for flat solar heat absorbing panels. Background technique [0002] Solar absorbing coatings have a great impact on the technical and economic performance of solar energy utilization. In order to improve the efficiency of solar energy devices and reduce costs, solar science and technology workers in various countries attach great importance to the research and development of solar absorbing coatings, and have developed a variety of coatings. has been used in production with good results. The heat-absorbing coating on the flat-panel solar heat-absorbing plate is a kind of functional coating, and the coating film made of it can convert solar energy into heat energy, but the heat-absorbing effect, weather resistance and waterproof performance of the solar heat-absorbing coating need to be improved urgently. Contents of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D183/04C09D163/00C09D175/04C09D7/12
Inventor 黄可煜马富杰丘秋燕甘伟平韦福达
Owner NANNING KEYU ENERGY TECH CO LTD
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