Preparation method of high-temperature-resistant waterproof solar heat-absorbing coating

A technology of solar heat absorption and high temperature resistance, applied in fire-resistant coatings, radiation-absorbing coatings, pectin coatings, etc. Effects of mechanical properties and high temperature resistance

Inactive Publication Date: 2018-11-20
FOSHAN TENGLI NEW ENERGY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] Technical problem to be solved by the present invention: Aiming at the defects of poor high temperature resistance and poor water resistanc

Method used

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  • Preparation method of high-temperature-resistant waterproof solar heat-absorbing coating

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Embodiment Construction

[0022] Weigh 300-600g citrus peels and put them in an oven, dry them at 70-90°C for 70-100 minutes to obtain dried orange peels, put the dried orange peels into a pulverizer and crush them through a 100-mesh sieve to obtain a crushed product. The pulverized product and distilled water are mixed and stirred at a mass ratio of 1:15 to obtain a mixed solution; the oxalic acid solution with a mass fraction of 10-15% is added dropwise to the above-mentioned mixed solution, and the pH value is adjusted to 4.8-5.3. Stir to obtain an acidic mixed solution under the condition of the acidic mixed solution, add cellulase with 10-15% of the mass of the acidic mixed solution and cornstarch with 8-12% of the mass of the acidic mixed solution to the acidic mixed solution, and stir at a speed of 300-400r / min Enzymolysis for 180-200 minutes to obtain the enzymolysis product; in a nitrogen atmosphere, stir and mix acrylate and vinyl triethoxysiloxane at a mass ratio of 5:1 and put them into a be...

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Abstract

The invention relates to a preparation method of a high-temperature-resistant waterproof solar heat-absorbing coating and belongs to the technical field of solar heat absorption. The preparation method disclosed by the invention comprises the following steps: performing enzymolysis by taking orange peel as a raw material, and mixing with heat resistant starch to prepare an enzymolysis product; preparing mixed emulsion from organo-siloxane modified acrylate, preparing a nanometer titania crystal by taking tetrabutyl titanate as a raw material and by virtue of a sol-gel method, and finally mixing and grinding the enzymolysis product, the mixed emulsion, the nanometer titania and other aids, thereby obtaining the high-temperature-resistant waterproof solar heat-absorbing coating. According tothe method disclosed by the invention, modified pectin is prepared by utilizing the orange peel, and can form covalent bonds and other chemical bonding force with ester-based molecular chains in theheat-absorbing coating, so that the adhesion property of the solar heat-absorbing coating is improved. The high-temperature amylase is capable of improving the high temperature resistance of the solarheat-absorbing coating, the added titania nanometer material is capable of further improving the high temperature resistance of the solar heat-absorbing coating, and the coating has wide prospects.

Description

technical field [0001] The invention relates to a preparation method of a high-temperature-resistant waterproof solar heat-absorbing paint, which belongs to the technical field of solar heat-absorbing. Background technique [0002] Energy utilization plays a pivotal role in the development of human society, but the excessive development of resources and inefficient resource utilization make human beings face a severe test. As we all know, solar energy is the most abundant and widely available renewable energy, which plays a major role in solving energy crisis and environmental problems. , making it a research hotspot. [0003] Solar thermal application is one of the simplest, most direct, and most effective ways for human beings to utilize solar energy, but due to the low energy density of solar energy, the direct utilization efficiency is low, or even unusable. Solar paint is a paint that converts light energy into heat energy. It is directly painted on the surface of the...

Claims

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Application Information

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IPC IPC(8): C09D105/06C09D133/08C09D5/32C09D7/61C09D7/63C09D7/62C09D7/65
CPCC08K2003/2241C08K2003/2251C08L2201/08C08L2205/03C09D5/18C09D5/32C09D7/61C09D7/62C09D7/63C09D7/65C09D105/06C08L43/04C08K13/02C08K3/22C08K5/12C08K3/36
Inventor 刘菊花蒋梦成陈帅
Owner FOSHAN TENGLI NEW ENERGY TECH CO LTD
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