CN113292248A - Novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction - Google Patents
Novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction Download PDFInfo
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- CN113292248A CN113292248A CN202110503161.2A CN202110503161A CN113292248A CN 113292248 A CN113292248 A CN 113292248A CN 202110503161 A CN202110503161 A CN 202110503161A CN 113292248 A CN113292248 A CN 113292248A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
- C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/70—Properties of coatings
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/118—Deposition methods from solutions or suspensions by roller-coating
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Abstract
The invention discloses a novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction, and belongs to the technical field of coating solutions. The utility model provides a novel roller coat construction is with selectivity printing opacity solar photovoltaic glass coating film solution, mainly includes the following raw materials: a silica sol; titanium dioxide sol; triethanolamine; polyethylene glycol; ethylene glycol; aluminum oxide; zirconium dioxide sol; methyl methacrylate; styrene; an acrylate resin; cellulose acetate butyrate; the zirconium dioxide sol is added into the coating solution, and is prepared by drying, dehydrating and calcining at low temperature, so that the reflectivity of the glass can be reduced, the thickness of a coating film can be reduced and the light reflection rate of the glass can be reduced by adding the silicon dioxide sol and the titanium dioxide sol into the coating solution, and meanwhile, the methyl methacrylate, the styrene, the acrylate resin, the cellulose acetate butyrate and the like are added into the coating solution, so that ultraviolet and infrared light can be isolated, and the heat insulation effect is good.
Description
Technical Field
The invention relates to the technical field of coating solutions, in particular to a novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction.
Background
The photovoltaic glass is one of solar cell modules, also called TCO glass, and is a module which can be used for a solar cell and is formed by uniformly plating a layer of transparent conductive oxide film on the glass through a physical or chemical plating method.
In the application field of photovoltaic power generation, the film is composed of a single-layer antireflection film and materials, and is poor in light transmission effect and high in reflectivity, so that the effect of the single-layer film is not ideal.
Disclosure of Invention
The invention aims to solve the problems that in the application field of photovoltaic power generation, a single-layer antireflection film and a material are used, the light transmission effect is poor, the reflectivity is high, and the effect of the single-layer film is not ideal, and provides a novel selective light transmission solar photovoltaic glass coating solution for roller coating construction.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel roller coat construction is with selectivity printing opacity solar photovoltaic glass coating film solution, mainly includes the following raw materials: a silica sol; wherein the silica sol comprises the following components: ethyl orthosilicate, ammonia water, glycerol, distilled water, acetic acid and polyvinyl alcohol aqueous solution; titanium dioxide sol; wherein the titanium dioxide sol comprises the following components: tetrabutyl titanate, ethylene glycol monomethyl ether, ethyl acetoacetate and formamide; triethanolamine; polyethylene glycol; ethylene glycol; aluminum oxide; a stabilizer; a surface modifier; a volatilization control agent; a processing aid; zirconium dioxide sol; wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride, urea, nitric acid; methyl methacrylate; styrene; an acrylate resin; cellulose acetate butyrate.
In order to facilitate the preparation of the coating solution, the preferable raw material components are as follows: silica sol: 80-95 parts; wherein the silica sol comprises the following components: ethyl orthosilicate: 60-150 parts of distilled water: 253-405 parts of ammonia water: 33-100 parts of glycerol, 100-250 parts of acetic acid, 2-12.5 parts of polyvinyl alcohol aqueous solution: 5-25 parts; titanium dioxide sol: 1-10 parts; wherein the titanium dioxide sol comprises the following components: ethylene glycol monomethyl ether: 500-600 parts of tetrabutyl titanate: 55-100 parts of ethyl acetoacetate, 12.5-55 parts of formamide: 1-12.5 parts; triethanolamine: 1-5 parts; polyethylene glycol: 0.5-2 parts; ethylene glycol: 0.1-5 parts; aluminum oxide: 10-12.5 parts; a stabilizer: 1-3 parts; surface modifier: 0.2-2.3 parts; volatilization control agent: 0.1-3 parts; processing aid: 0.2-4 parts; zirconium dioxide sol: 0.1-2 parts; wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride: 50-125 parts of urea: 10-15 parts of nitric acid: 1-15 parts; methyl methacrylate: 10-30 parts; styrene: 2-10 parts; acrylate resin: 15-20 parts of a solvent; 1-5 parts of cellulose acetate butyrate.
In order to facilitate the preparation of the coating solution, the coating solution further comprises the following raw materials in percentage by weight: silica sol: 87.5 parts; wherein the silica sol comprises the following components: ethyl orthosilicate: 60-150 parts of distilled water: 253-405 parts of ammonia water: 33-100 parts of glycerol, 100-250 parts of acetic acid, 2-12.5 parts of polyvinyl alcohol aqueous solution: 5-25 parts; titanium dioxide sol: 5.5 parts; wherein the titanium dioxide sol comprises the following components: ethylene glycol monomethyl ether: 500-600 parts of tetrabutyl titanate: 55-100 parts of ethyl acetoacetate, 12.5-55 parts of formamide: 1-12.5 parts; 2.5 parts of triethanolamine; polyethylene glycol: 1.25 parts; ethylene glycol: 3 parts of a mixture; aluminum oxide: 11 parts of (1); a stabilizer: 2 parts of (1); surface modifier: 1.5 parts; volatilization control agent: 1.75 parts; processing aid: 2.2 parts of; zirconium dioxide sol: 1.2 parts; wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride: 50-125 parts of urea: 10-15 parts of nitric acid: 1-15 parts; methyl methacrylate: 20 parts of (1); styrene: 6 parts of (1); acrylate resin: 17.5 parts; 3 parts of cellulose acetate butyrate.
In order to facilitate the preparation of the silica sol, it is preferable that the preparation of the silica sol comprises the steps of:
a: mixing ethyl orthosilicate, ammonia water, glycerol and distilled water, fully stirring, standing at normal temperature for 110 hours, and filtering;
B. and D, dropwise adding the acetic acid and polyvinyl alcohol aqueous solution into the solution obtained in the step A, and keeping the temperature at 50 ℃ for 12 hours to obtain the silicon dioxide sol.
In order to facilitate the preparation of the titania sol, it is preferable that the preparation of the titania sol comprises the steps of:
C. dissolving tetrabutyl titanate in ethylene glycol monomethyl ether, adding ethyl acetoacetate and formamide, and magnetically stirring at room temperature to obtain a mixed solution;
D. and D, dropwise adding a nitric acid aqueous solution into the mixed solution obtained in the step C, stirring until uniform and transparent light yellow titanium dioxide sol is obtained, and standing and aging at normal temperature.
In order to mix the silica sol and the titanium dioxide sol, the silica sol and the titanium dioxide sol are filtered by a 0.2um microporous filter membrane.
In order to facilitate the preparation of the zirconium dioxide solution, further, the preparation of the zirconium dioxide solution comprises the following steps:
E. dissolving zirconium oxychloride in water, and adding urea to generate a suspension; centrifuging or filtering the suspension to obtain precipitate, and washing the precipitate with water to remove water-soluble impurity ions; adding nitric acid into the precipitate, and stirring to obtain a clear transparent zirconium sol precursor;
F. and drying and dehydrating the zirconium sol precursor at the temperature of between room temperature and 180 ℃ to obtain zirconium xerogel, and calcining the zirconium xerogel at low temperature to prepare the zirconium dioxide nano powder.
For the convenience of using the stabilizer, preferably, the stabilizer is one or more of glycerol, ethylene glycol, butanol, phenyl o-hydroxybenzoate and 2, 4-dihydroxybenzophenone.
Preferably, the surface modifier is methyl triethoxysilane, the volatility control agent is butanol, and the processing aid is an antifoaming agent.
In order to facilitate the preparation of the coating solution, preferably, the preparation of the coating solution mainly comprises the following steps:
a. mixing and stirring titanium dioxide sol, silicon dioxide sol and zirconium dioxide sol to obtain a sol mixing system;
b. sequentially adding a stabilizer, a surface modifier, triethanolamine, polyethylene glycol, ethylene glycol and aluminum oxide into the sol mixed system, and stirring to obtain a mixed solution;
c. adding the volatilization control agent into the mixed solution, adding methyl methacrylate and styrene, and stirring;
d. and adding the processing aid into the mixed solution, adding the acrylate resin and the cellulose acetate butyrate, and stirring to obtain the coating solution.
Compared with the prior art, the invention provides a novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction, which has the following beneficial effects:
the zirconium dioxide sol is added into the coating solution, the zirconium dioxide sol is dried, dehydrated and calcined at low temperature to prepare the zirconium dioxide, the zirconium dioxide is more stable, the prepared glass is more stable, the reflectivity of the glass can be reduced, the prepared silicon dioxide sol and titanium dioxide sol are transparent by adding the silicon dioxide sol and the titanium dioxide sol into the coating solution, the thickness of a coating can be reduced, the light transmittance of the glass is improved, the light reflection rate of the glass is reduced, and meanwhile, methyl methacrylate, styrene, acrylate resin, cellulose acetate butyrate and the like are added into the coating solution, so that ultraviolet and infrared light can be isolated, and the heat insulation effect is good.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example 1:
the utility model provides a novel roller coat construction is with selectivity printing opacity solar photovoltaic glass coating film solution, mainly includes the following raw materials: a silica sol; wherein the silica sol comprises the following components: ethyl orthosilicate, ammonia water, glycerol, distilled water, acetic acid and polyvinyl alcohol aqueous solution; titanium dioxide sol; wherein the titanium dioxide sol comprises the following components: tetrabutyl titanate, ethylene glycol monomethyl ether, ethyl acetoacetate and formamide; triethanolamine; polyethylene glycol; ethylene glycol; aluminum oxide; a stabilizer; a surface modifier; a volatilization control agent; a processing aid; zirconium dioxide sol; wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride, urea, nitric acid; methyl methacrylate; styrene; an acrylate resin; cellulose acetate butyrate;
it is to be understood that the stabilizer is glycerol, the surface modifier is methyltriethoxysilane, the volatility controller is butanol, and the processing aid is an antifoaming agent.
When preparing a coating solution, mixing tetraethoxysilane, ammonia water, glycerol and distilled water, fully stirring, standing at normal temperature for 110 hours, and filtering; dropwise adding acetic acid and polyvinyl alcohol aqueous solution in parts into the filtered solution, and keeping the temperature at 50 ℃ for 12 hours to obtain silicon dioxide sol;
dissolving tetrabutyl titanate in ethylene glycol monomethyl ether, adding ethyl acetoacetate and formamide, and magnetically stirring at room temperature to obtain a mixed solution; dropwise adding a nitric acid aqueous solution into the mixed solution, stirring until uniform and transparent light yellow titanium dioxide sol is obtained, and standing and aging at normal temperature;
dissolving zirconium oxychloride in water, and adding urea to generate a suspension; centrifuging or filtering the suspension to obtain precipitate, and washing the precipitate with water to remove water-soluble impurity ions; adding nitric acid into the precipitate, and stirring to obtain a clear transparent zirconium sol precursor; drying and dehydrating the zirconium sol precursor at room temperature to 180 ℃ to obtain zirconium xerogel, and calcining the zirconium xerogel at low temperature to prepare zirconium dioxide nano powder;
mixing and stirring titanium dioxide sol, silicon dioxide sol and zirconium dioxide sol to obtain a sol mixing system;
sequentially adding a stabilizer, a surface modifier, triethanolamine, polyethylene glycol, ethylene glycol and aluminum oxide into the sol mixed system, and stirring to obtain a mixed solution;
adding the volatilization control agent into the mixed solution, adding methyl methacrylate and styrene, and stirring;
adding a processing aid into the mixed solution, adding acrylate resin and cellulose acetate butyrate, and stirring to obtain a coating solution;
according to the invention, the zirconium dioxide sol is added into the coating solution, and is dried, dehydrated and calcined at low temperature, so that the zirconium dioxide is more stable, the prepared glass is more stable, the reflectivity of the glass can be reduced, the silicon dioxide sol and the titanium dioxide sol are added into the coating solution, and the prepared silicon dioxide sol and the prepared titanium dioxide sol are transparent, so that the coating thickness can be reduced, the light transmittance of the glass is improved, the light reflection rate of the glass is reduced, and meanwhile, methyl methacrylate, styrene, acrylate resin, cellulose acetate butyrate and the like are added into the coating solution, so that ultraviolet and infrared light can be isolated, and the heat insulation effect is good.
Example 2:
the utility model provides a novel roller coat construction is with selective printing opacity solar photovoltaic glass coating film solution, each raw materials component ratio is: silica sol: 80 parts of a mixture; wherein the silica sol comprises the following components: ethyl orthosilicate: 60 parts of distilled water: 253 parts, ammonia water: 33 parts, 100 parts of glycerol, 2 parts of acetic acid and a polyvinyl alcohol aqueous solution: 5 parts of a mixture; titanium dioxide sol: 1 part; wherein the titanium dioxide sol comprises the following components: ethylene glycol monomethyl ether: 500 parts, tetrabutyl titanate: 55 parts, ethyl acetoacetate 12.5 parts, formamide: 1 part; triethanolamine: 1 part; polyethylene glycol: 0.5 part; ethylene glycol: 0.1 part; aluminum oxide: 10 parts of (A); a stabilizer: 1 part; surface modifier: 0.2 part; volatilization control agent: 0.1 part; processing aid: 0.2 part; zirconium dioxide sol: 0.1 part; wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride: 50 parts of urea: 10 parts of nitric acid: 1 part; methyl methacrylate: 10 parts of (A); styrene: 2 parts of (1); acrylate resin: 15 parts of (1); 1 part of cellulose acetate butyrate;
it is to be understood that the stabilizer is glycerol, the surface modifier is methyltriethoxysilane, the volatility controller is butanol, and the processing aid is an antifoaming agent.
When preparing a coating solution, mixing tetraethoxysilane, ammonia water, glycerol and distilled water, fully stirring, standing at normal temperature for 110 hours, and filtering; dropwise adding acetic acid and polyvinyl alcohol aqueous solution in parts into the filtered solution, and keeping the temperature at 50 ℃ for 12 hours to obtain silicon dioxide sol;
dissolving tetrabutyl titanate in ethylene glycol monomethyl ether, adding ethyl acetoacetate and formamide, and magnetically stirring at room temperature to obtain a mixed solution; dropwise adding a nitric acid aqueous solution into the mixed solution, stirring until uniform and transparent light yellow titanium dioxide sol is obtained, and standing and aging at normal temperature;
dissolving zirconium oxychloride in water, and adding urea to generate a suspension; centrifuging or filtering the suspension to obtain precipitate, and washing the precipitate with water to remove water-soluble impurity ions; adding nitric acid into the precipitate, and stirring to obtain a clear transparent zirconium sol precursor; drying and dehydrating the zirconium sol precursor at room temperature to 180 ℃ to obtain zirconium xerogel, and calcining the zirconium xerogel at low temperature to prepare zirconium dioxide nano powder;
mixing and stirring titanium dioxide sol, silicon dioxide sol and zirconium dioxide sol to obtain a sol mixing system;
sequentially adding a stabilizer, a surface modifier, triethanolamine, polyethylene glycol, ethylene glycol and aluminum oxide into the sol mixed system, and stirring to obtain a mixed solution;
adding the volatilization control agent into the mixed solution, adding methyl methacrylate and styrene, and stirring;
adding a processing aid into the mixed solution, adding acrylate resin and cellulose acetate butyrate, and stirring to obtain a coating solution;
according to the invention, the zirconium dioxide sol is added into the coating solution, and is dried, dehydrated and calcined at low temperature, so that the zirconium dioxide is more stable, the prepared glass is more stable, the reflectivity of the glass can be reduced, the silicon dioxide sol and the titanium dioxide sol are added into the coating solution, and the prepared silicon dioxide sol and the prepared titanium dioxide sol are transparent, so that the coating thickness can be reduced, the light transmittance of the glass is improved, the light reflection rate of the glass is reduced, and meanwhile, methyl methacrylate, styrene, acrylate resin, cellulose acetate butyrate and the like are added into the coating solution, so that ultraviolet and infrared light can be isolated, and the heat insulation effect is good.
Example 3:
the utility model provides a novel roller coat construction is with selective printing opacity solar photovoltaic glass coating film solution, each raw materials component ratio is: silica sol: 95 parts of (C); wherein the silica sol comprises the following components: ethyl orthosilicate: 150 parts, distilled water: 405 parts of ammonia water: 100 parts of glycerol, 250 parts of glycerol, 12.5 parts of acetic acid and a polyvinyl alcohol aqueous solution: 25 parts of (1); titanium dioxide sol: 10 parts of (A); wherein the titanium dioxide sol comprises the following components: ethylene glycol monomethyl ether: 600 parts, tetrabutyl titanate: 100 parts, ethyl acetoacetate 55 parts, formamide: 12.5 parts; triethanolamine: 5 parts of a mixture; polyethylene glycol: 2 parts of (1); ethylene glycol: 5 parts of a mixture; aluminum oxide: 12.5 parts; a stabilizer: 3 parts of a mixture; surface modifier: 2.3 parts of a mixture; volatilization control agent: 3 parts of a mixture; processing aid: 4 parts of a mixture; zirconium dioxide sol: 2 parts of (1); wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride: 125 parts of urea: 15 parts of nitric acid: 15 parts of (1); methyl methacrylate: 30 parts of (1); styrene: 10 parts of (A); acrylate resin: 20 parts of (1); 5 parts of cellulose acetate butyrate;
it is to be understood that the stabilizer is glycerol, the surface modifier is methyltriethoxysilane, the volatility controller is butanol, and the processing aid is an antifoaming agent.
When preparing a coating solution, mixing tetraethoxysilane, ammonia water, glycerol and distilled water, fully stirring, standing at normal temperature for 110 hours, and filtering; dropwise adding acetic acid and polyvinyl alcohol aqueous solution in parts into the filtered solution, and keeping the temperature at 50 ℃ for 12 hours to obtain silicon dioxide sol;
dissolving tetrabutyl titanate in ethylene glycol monomethyl ether, adding ethyl acetoacetate and formamide, and magnetically stirring at room temperature to obtain a mixed solution; dropwise adding a nitric acid aqueous solution into the mixed solution, stirring until uniform and transparent light yellow titanium dioxide sol is obtained, and standing and aging at normal temperature;
dissolving zirconium oxychloride in water, and adding urea to generate a suspension; centrifuging or filtering the suspension to obtain precipitate, and washing the precipitate with water to remove water-soluble impurity ions; adding nitric acid into the precipitate, and stirring to obtain a clear transparent zirconium sol precursor; drying and dehydrating the zirconium sol precursor at room temperature to 180 ℃ to obtain zirconium xerogel, and calcining the zirconium xerogel at low temperature to prepare zirconium dioxide nano powder;
mixing and stirring titanium dioxide sol, silicon dioxide sol and zirconium dioxide sol to obtain a sol mixing system;
sequentially adding a stabilizer, a surface modifier, triethanolamine, polyethylene glycol, ethylene glycol and aluminum oxide into the sol mixed system, and stirring to obtain a mixed solution;
adding the volatilization control agent into the mixed solution, adding methyl methacrylate and styrene, and stirring;
adding a processing aid into the mixed solution, adding acrylate resin and cellulose acetate butyrate, and stirring to obtain a coating solution;
according to the invention, the zirconium dioxide sol is added into the coating solution, and is dried, dehydrated and calcined at low temperature, so that the zirconium dioxide is more stable, the prepared glass is more stable, the reflectivity of the glass can be reduced, the silicon dioxide sol and the titanium dioxide sol are added into the coating solution, and the prepared silicon dioxide sol and the prepared titanium dioxide sol are transparent, so that the coating thickness can be reduced, the light transmittance of the glass is improved, the light reflection rate of the glass is reduced, and meanwhile, methyl methacrylate, styrene, acrylate resin, cellulose acetate butyrate and the like are added into the coating solution, so that ultraviolet and infrared light can be isolated, and the heat insulation effect is good.
Example 4:
the utility model provides a novel roller coat construction is with selective printing opacity solar photovoltaic glass coating film solution, each raw materials component ratio is: silica sol: 87.5 parts; wherein the silica sol comprises the following components: ethyl orthosilicate: 60-150 parts of distilled water: 253-405 parts of ammonia water: 33-100 parts of glycerol, 100-250 parts of acetic acid, 2-12.5 parts of polyvinyl alcohol aqueous solution: 5-25 parts; titanium dioxide sol: 5.5 parts; wherein the titanium dioxide sol comprises the following components: ethylene glycol monomethyl ether: 500-600 parts of tetrabutyl titanate: 55-100 parts of ethyl acetoacetate, 12.5-55 parts of formamide: 1-12.5 parts; 2.5 parts of triethanolamine; polyethylene glycol: 1.25 parts; ethylene glycol: 3 parts of a mixture; aluminum oxide: 11 parts of (1); a stabilizer: 2 parts of (1); surface modifier: 1.5 parts; volatilization control agent: 1.75 parts; processing aid: 2.2 parts of; zirconium dioxide sol: 1.2 parts; wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride: 50-125 parts of urea: 10-15 parts of nitric acid: 1-15 parts; methyl methacrylate: 20 parts of (1); styrene: 6 parts of (1); acrylate resin: 17.5 parts; 3 parts of cellulose acetate butyrate;
it is to be understood that the stabilizer is glycerol, the surface modifier is methyltriethoxysilane, the volatility controller is butanol, and the processing aid is an antifoaming agent.
When preparing a coating solution, mixing tetraethoxysilane, ammonia water, glycerol and distilled water, fully stirring, standing at normal temperature for 110 hours, and filtering; dropwise adding acetic acid and polyvinyl alcohol aqueous solution in parts into the filtered solution, and keeping the temperature at 50 ℃ for 12 hours to obtain silicon dioxide sol;
dissolving tetrabutyl titanate in ethylene glycol monomethyl ether, adding ethyl acetoacetate and formamide, and magnetically stirring at room temperature to obtain a mixed solution; dropwise adding a nitric acid aqueous solution into the mixed solution, stirring until uniform and transparent light yellow titanium dioxide sol is obtained, and standing and aging at normal temperature;
dissolving zirconium oxychloride in water, and adding urea to generate a suspension; centrifuging or filtering the suspension to obtain precipitate, and washing the precipitate with water to remove water-soluble impurity ions; adding nitric acid into the precipitate, and stirring to obtain a clear transparent zirconium sol precursor; drying and dehydrating the zirconium sol precursor at room temperature to 180 ℃ to obtain zirconium xerogel, and calcining the zirconium xerogel at low temperature to prepare zirconium dioxide nano powder;
mixing and stirring titanium dioxide sol, silicon dioxide sol and zirconium dioxide sol to obtain a sol mixing system;
sequentially adding a stabilizer, a surface modifier, triethanolamine, polyethylene glycol, ethylene glycol and aluminum oxide into the sol mixed system, and stirring to obtain a mixed solution;
adding the volatilization control agent into the mixed solution, adding methyl methacrylate and styrene, and stirring;
and adding the processing aid into the mixed solution, adding the acrylate resin and the cellulose acetate butyrate, and stirring to obtain the coating solution.
According to the invention, the zirconium dioxide sol is added into the coating solution, and is dried, dehydrated and calcined at low temperature, so that the zirconium dioxide is more stable, the prepared glass is more stable, the reflectivity of the glass can be reduced, the silicon dioxide sol and the titanium dioxide sol are added into the coating solution, and the prepared silicon dioxide sol and the prepared titanium dioxide sol are transparent, so that the coating thickness can be reduced, the light transmittance of the glass is improved, the light reflection rate of the glass is reduced, and meanwhile, methyl methacrylate, styrene, acrylate resin, cellulose acetate butyrate and the like are added into the coating solution, so that ultraviolet and infrared light can be isolated, and the heat insulation effect is good.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a novel roller coat construction is with selectivity printing opacity solar photovoltaic glass coating solution which characterized in that mainly includes the raw materials:
a silica sol;
wherein the silica sol comprises the following components: ethyl orthosilicate, ammonia water, glycerol, distilled water, acetic acid and polyvinyl alcohol aqueous solution;
titanium dioxide sol;
wherein the titanium dioxide sol comprises the following components: tetrabutyl titanate, ethylene glycol monomethyl ether, ethyl acetoacetate and formamide;
triethanolamine;
polyethylene glycol;
ethylene glycol;
aluminum oxide;
a stabilizer;
a surface modifier;
a volatilization control agent;
a processing aid;
zirconium dioxide sol;
wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride, urea, nitric acid;
methyl methacrylate;
styrene;
an acrylate resin;
cellulose acetate butyrate.
2. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction according to claim 1 is characterized by comprising the following raw materials in percentage by weight:
silica sol: 80-95 parts;
wherein the silica sol comprises the following components: ethyl orthosilicate: 60-150 parts of distilled water: 253-405 parts of ammonia water: 33-100 parts of glycerol, 100-250 parts of acetic acid, 2-12.5 parts of polyvinyl alcohol aqueous solution: 5-25 parts;
titanium dioxide sol: 1-10 parts;
wherein the titanium dioxide sol comprises the following components: ethylene glycol monomethyl ether: 500-600 parts of tetrabutyl titanate: 55-100 parts of ethyl acetoacetate, 12.5-55 parts of formamide: 1-12.5 parts;
triethanolamine: 1-5 parts;
polyethylene glycol: 0.5-2 parts;
ethylene glycol: 0.1-5 parts;
aluminum oxide: 10-12.5 parts;
a stabilizer: 1-3 parts;
surface modifier: 0.2-2.3 parts;
volatilization control agent: 0.1-3 parts;
processing aid: 0.2-4 parts;
zirconium dioxide sol: 0.1-2 parts;
wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride: 50-125 parts of urea: 10-15 parts of nitric acid: 1-15 parts;
methyl methacrylate: 10-30 parts;
styrene: 2-10 parts;
acrylate resin: 15-20 parts of a solvent;
1-5 parts of cellulose acetate butyrate.
3. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction according to claim 2 is characterized by comprising the following raw materials in percentage by weight:
silica sol: 87.5 parts;
wherein the silica sol comprises the following components: ethyl orthosilicate: 60-150 parts of distilled water: 253-405 parts of ammonia water: 33-100 parts of glycerol, 100-250 parts of acetic acid, 2-12.5 parts of polyvinyl alcohol aqueous solution: 5-25 parts;
titanium dioxide sol: 5.5 parts;
wherein the titanium dioxide sol comprises the following components: ethylene glycol monomethyl ether: 500-600 parts of tetrabutyl titanate: 55-100 parts of ethyl acetoacetate, 12.5-55 parts of formamide: 1-12.5 parts;
2.5 parts of triethanolamine;
polyethylene glycol: 1.25 parts;
ethylene glycol: 3 parts of a mixture;
aluminum oxide: 11 parts of (1);
a stabilizer: 2 parts of (1);
surface modifier: 1.5 parts;
volatilization control agent: 1.75 parts;
processing aid: 2.2 parts of;
zirconium dioxide sol: 1.2 parts;
wherein the zirconium dioxide sol comprises the following components: zirconium oxychloride: 50-125 parts of urea: 10-15 parts of nitric acid: 1-15 parts;
methyl methacrylate: 20 parts of (1);
styrene: 6 parts of (1);
acrylate resin: 17.5 parts;
3 parts of cellulose acetate butyrate.
4. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction according to claim 3, wherein the preparation of the silica sol comprises the following steps:
a: mixing ethyl orthosilicate, ammonia water, glycerol and distilled water, fully stirring, standing at normal temperature for 110 hours, and filtering;
B. and D, dropwise adding the acetic acid and polyvinyl alcohol aqueous solution into the solution obtained in the step A, and keeping the temperature at 50 ℃ for 12 hours to obtain the silicon dioxide sol.
5. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction according to claim 4, wherein the preparation of the titanium dioxide sol comprises the following steps:
C. dissolving tetrabutyl titanate in ethylene glycol monomethyl ether, adding ethyl acetoacetate and formamide, and magnetically stirring at room temperature to obtain a mixed solution;
D. and D, dropwise adding a nitric acid aqueous solution into the mixed solution obtained in the step C, stirring until uniform and transparent light yellow titanium dioxide sol is obtained, and standing and aging at normal temperature.
6. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction as claimed in claim 5, wherein the silica sol and the titanium dioxide sol are filtered through a 0.2um microporous filter membrane.
7. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction according to claim 3, wherein the preparation of the zirconium dioxide solution comprises the following steps:
E. dissolving zirconium oxychloride in water, and adding urea to generate a suspension; centrifuging or filtering the suspension to obtain precipitate, and washing the precipitate with water to remove water-soluble impurity ions; adding nitric acid into the precipitate, and stirring to obtain a clear transparent zirconium sol precursor;
F. and drying and dehydrating the zirconium sol precursor at the temperature of between room temperature and 180 ℃ to obtain zirconium xerogel, and calcining the zirconium xerogel at low temperature to prepare the zirconium dioxide nano powder.
8. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction as claimed in claim 1, wherein the stabilizer is one or more of glycerol, ethylene glycol, butanol, phenyl o-hydroxybenzoate and 2, 4-dihydroxybenzophenone.
9. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction as claimed in claim 1, wherein the surface modifier is methyl triethoxysilane, the volatility control agent is butanol, and the processing aid is a defoamer.
10. The novel selective light-transmitting solar photovoltaic glass coating solution for roller coating construction according to any one of claims 1 to 9, wherein the preparation of the coating solution mainly comprises the following steps:
a. mixing and stirring titanium dioxide sol, silicon dioxide sol and zirconium dioxide sol to obtain a sol mixing system;
b. sequentially adding a stabilizer, a surface modifier, triethanolamine, polyethylene glycol, ethylene glycol and aluminum oxide into the sol mixed system, and stirring to obtain a mixed solution;
c. adding the volatilization control agent into the mixed solution, adding methyl methacrylate and styrene, and stirring;
d. and adding the processing aid into the mixed solution, adding the acrylate resin and the cellulose acetate butyrate, and stirring to obtain the coating solution.
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