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Anticorrosive coating for solar water storage tank and preparation method of anticorrosive coating

A technology of anti-corrosion coatings and water storage tanks, applied in the field of solar energy materials, can solve problems such as coating failure, loss of wet adhesion, corrosion under the film, etc., achieve good impact resistance, good corrosion resistance, and prolong the service life.

Inactive Publication Date: 2015-02-25
WUXI SUNOCEAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the treatment of the substrate is not perfect and the coating system is improperly selected, the coating will fail prematurely, and the ideal protective effect will not be achieved, resulting in certain economic losses that cannot be made up.
At present, it has been reported in the literature that organic titanium, polyurethane crystal paint, LKF-1 glass flake paint, urushiol aluminum powder heat-resistant paint, rubber-plastic composite paint and other organic anti-corrosion paints are used, but the film will be formed earlier after the water tank is put into use. Corrosion (bubbling, peeling, loss of wet adhesion) causes the water tank to retire early, and its protection effect is not good

Method used

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  • Anticorrosive coating for solar water storage tank and preparation method of anticorrosive coating
  • Anticorrosive coating for solar water storage tank and preparation method of anticorrosive coating

Examples

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Effect test

Embodiment 1

[0019] A kind of anticorrosion coating for solar water storage tank, raw material comprises by weight: 3 parts of polyvinyl acetate resin, 1 part of thermosetting acrylic resin, 2 parts of bisphenol A type epoxy resin, 2,4-dimethyl benzoic acid ethyl ester 4 parts, 2 parts of silica sol, 3 parts of iron powder, 2 parts of tetraethoxysilane, 1 part of methyltriethoxysilane, 3 parts of diethyltoluenediamine, 1 part of dimethylaminoethyl methacrylate 2 parts of boron nitride, 1 part of carbon black, 3 parts of glass flakes, 2 parts of organic acid salts, 1 part of pigment, 3 parts of xylene, and 5 parts of n-butanol.

[0020] The particle size of the iron powder is 0.5 μm; the organic acid salt is zinc naphthenate; the pigment is aluminum dihydrogen tripolyphosphate.

[0021] The preparation method of the anticorrosion coating for the above-mentioned solar water storage tank comprises the following steps:

[0022] Step 1, mix polyvinyl acetate resin, thermosetting acrylic resin,...

Embodiment 2

[0026] An anticorrosion coating for a solar water storage tank, the raw materials include in parts by weight: 6 parts of polyvinyl acetate resin, 3 parts of thermosetting acrylic resin, 4 parts of bisphenol A epoxy resin, 2,4-dimethylbenzoate ethyl 5 parts, 4 parts of silica sol, 5 parts of iron powder, 3 parts of tetraethoxysilane, 2 parts of methyltriethoxysilane, 4 parts of diethyltoluenediamine, 2 parts of dimethylaminoethyl methacrylate 4 parts of boron nitride, 2 parts of carbon black, 4 parts of glass flakes, 3 parts of organic acid salts, 2 parts of pigments, 5 parts of xylene, and 7 parts of n-butanol.

[0027] The particle size of the above-mentioned iron powder is 2.4 μm, the organic acid salt is zinc isozincate; the pigment is zinc phosphate.

[0028] The preparation method of the anticorrosion coating for the above-mentioned solar water storage tank comprises the following steps:

[0029] Step 1, mix polyvinyl acetate resin, thermosetting acrylic resin, ethyl 2,4...

Embodiment 3

[0033] An anticorrosion coating for a solar water storage tank, the raw materials include in parts by weight: 9 parts of polyvinyl acetate resin, 7 parts of thermosetting acrylic resin, 8 parts of bisphenol A epoxy resin, 2,4-dimethylbenzoate ethyl 10 parts, 9 parts of silica sol, 9 parts of iron powder, 8 parts of tetraethoxysilane, 6 parts of methyltriethoxysilane, 8 parts of diethyltoluenediamine, 5 parts of dimethylaminoethyl methacrylate 8 parts of boron nitride, 6 parts of carbon black, 7 parts of glass flakes, 7 parts of organic acid salts, 5 parts of pigments, 9 parts of xylene, and 10 parts of n-butanol.

[0034] The particle size of the iron powder is 1.8 μm; the organic acid salt is zinc naphthenate; the pigment is micaceous iron oxide.

[0035] The preparation method of the anticorrosion coating for the above-mentioned solar water storage tank comprises the following steps:

[0036] Step 1, mix polyvinyl acetate resin, thermosetting acrylic resin, ethyl 2,4-dimeth...

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Abstract

The invention provides an anticorrosive coating for a solar water storage tank and a preparation method of the anticorrosive coating. The anticorrosive coating comprise the following raw materials: polyvinyl acetate resin, thermosetting acrylic resin, bisphenol A epoxy resin, ethyl 2,4-dimethyl benzoate, silicon sol, iron powder, tetraethoxysilane, methyltriethoxysilane, diethyl toluenediamine, dimethylamino ethyl methacrylate, boron nitride, carbon black, glass flakes, organic acid salts, pigment, xylene and n-butanol. The preparation method comprises the following steps of firstly mixing, stirring and grinding polyvinyl acetate resin, thermosetting acrylic resin, ethyl 2,4-dimethyl benzoate, silicon sol, tetraethoxysilane and xylene; adding bisphenol A epoxy resin, iron powder, methyltriethoxysilane, diethyl toluenediamine, dimethylamino ethyl methacrylate, boron nitride and carbon black, stirring and dehydrating; and then adding the residual components, stirring and grinding. The coating has the advantages of good corrosion resistance, adhesion property, flexibility and impact resistance.

Description

technical field [0001] The invention belongs to the technical field of solar energy materials, and in particular relates to an anticorrosion coating for a solar water storage tank and a preparation method thereof. Background technique [0002] The field of solar energy utilization technology is mainly divided into photothermal applications and photovoltaic applications. Photothermal application technologies mainly include solar water heating systems, heating and cooling systems, thermal power generation systems, etc.; photovoltaic application technologies include solar power generation systems. my country has abundant solar energy resources, so solar energy utilization related fields have received strong support from the state. As an industry of solar energy utilization, solar water heaters have become the most widely used and fastest industrialized fields in solar thermal utilization. The promotion of solar water heaters in my country accounts for 70% of the total promotio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D131/04C09D133/00C09D163/02C09D5/10C09D7/12
CPCC09D131/04C08K2201/014C08L2205/03C09D5/10C09D7/61C09D7/63
Inventor 黄新东刘天人
Owner WUXI SUNOCEAN
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