CN115322595A - Photovoltaic glass coating liquid - Google Patents
Photovoltaic glass coating liquid Download PDFInfo
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- CN115322595A CN115322595A CN202211014486.5A CN202211014486A CN115322595A CN 115322595 A CN115322595 A CN 115322595A CN 202211014486 A CN202211014486 A CN 202211014486A CN 115322595 A CN115322595 A CN 115322595A
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- agent
- photovoltaic glass
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- glass coating
- coating solution
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C03C2217/73—Anti-reflective coatings with specific characteristics
- C03C2217/732—Anti-reflective coatings with specific characteristics made of a single layer
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides a photovoltaic glass coating liquid, which relates to the technical field of coating liquids and comprises the following components: silane, alcohol solvent, light anti-reflection agent, silane coupling agent, flatting agent, cross-linking agent and initiator, wherein: 15 to 30 portions of silane, 10 to 15 portions of light anti-reflection agent, 60 to 75 portions of alcohol solvent, 3 to 6 portions of silane coupling agent, 7 to 10 portions of flatting agent, 1.6 to 2.4 portions of cross-linking agent and 0.1 to 0.3 portion of initiator. The coating liquid disclosed by the invention increases the light transmittance of photovoltaic glass during coating, improves the dirt resistance of the photovoltaic glass, and ensures the mechanical strength of the photovoltaic glass.
Description
Technical Field
The invention relates to the technical field of coating liquid, in particular to photovoltaic glass coating liquid.
Background
The photovoltaic glass is named as ultra-white glass, colorless glass, high-transparency glass or low-iron glass, and is the highest-grade glass product, the photovoltaic glass antireflection film is a protective coating coated on the surface of photovoltaic assembly cover plate glass (photovoltaic glass) to improve the transmittance of sunlight, reduce light reflection and improve the optical characteristics of the photovoltaic glass, the coating process of the photovoltaic glass antireflection film is mainly divided into a high-temperature sintering method and a sol-gel method, coating liquid is required when the photovoltaic glass is coated, and the conventional coating liquid is a nano composite antireflection coating liquid, an AR antireflection coating liquid, an antireflection antifouling coating liquid and the like.
The existing photovoltaic glass coating liquid has the disadvantages of low transmittance, poor salt mist resistance, poor humidity resistance and heat resistance and poor self-cleaning performance.
Disclosure of Invention
The invention aims to provide a photovoltaic glass coating liquid, and aims to solve the problems of low transmittance, poor salt spray resistance, poor humidity resistance and poor self-cleaning performance of the existing photovoltaic glass coating liquid in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the photovoltaic glass coating liquid comprises the following components: silane, alcohol solvent, light anti-reflection agent, silane coupling agent, flatting agent, crosslinking agent and initiator;
wherein: 15 to 30 portions of silane, 10 to 15 portions of light anti-reflection agent, 60 to 75 portions of alcohol solvent, 3 to 6 portions of silane coupling agent, 7 to 10 portions of flatting agent, 1.6 to 2.4 portions of cross-linking agent and 0.1 to 0.3 portion of initiator.
The further technical scheme of the invention is that the silane comprises two or more of gamma-methacryloxypropyltrimethoxysilane, methacryloxypropyltriethoxysilane, vinyltriethoxysilane, tetraethoxysilane and tetramethoxysilane.
According to a further technical scheme, the alcohol solvent is any one of methanol, ethanol, n-propanol or isopropanol.
The invention has the further technical scheme that the main component of the light anti-reflection agent is silica sol, the main film forming substance of the silica sol coating liquid is silica sol, and the proportion of the silica sol in the light anti-reflection agent is 75-90%.
The further technical scheme of the invention is that the silica sol is modified silica sol, when the silica sol is prepared, nano silica is ground and then added into 5% hydrochloric acid aqueous solution to be dissolved in ethanol together with a polymer material, wherein the polymer material is any one of polyacrylate, polymethacrylate, polyacrylic acid, polymethacrylic acid amide and polyacrylamide.
The further technical scheme of the invention is that the silane coupling agent is any one of vinyltriethoxysilane, vinyltrimethoxysilane and vinyltrisilane.
The further technical scheme of the invention is that the flatting agent is acrylic resin, urea resin or melamine formaldehyde resin polymer.
The further technical scheme of the invention is that the cross-linking agent is one or the combination of two or more of vinyltriethoxysilane, ethylene glycol dimethacrylate, triallyl cyanurate and dibutyltin dilaurate.
The further technical scheme of the invention is that the initiator is formed by combining any two of benzoyl peroxide, azobisisobutyronitrile or diisopropylbenzene peroxide.
The beneficial effects of the invention are:
the light transmittance of the film layer is improved by using the light anti-reflection agent, the reflection of the film layer is reduced, the weather resistance and the mechanical property of the film layer can be improved by using the modified silica sol, the polymer is wrapped on the surface of the nano silica, the agglomeration phenomenon of the nano silica is reduced, the fluidity of the nano silica is improved, and the uniformity of the film layer is improved.
Detailed Description
The following description will be made with reference to specific embodiments of the present invention.
A photovoltaic glass coating liquid comprises the following components: silane, alcohol solvent, light anti-reflection agent, silane coupling agent, flatting agent, cross-linking agent and initiator;
wherein: 15 to 30 portions of silane, 10 to 15 portions of light anti-reflection agent, 60 to 75 portions of alcohol solvent, 3 to 6 portions of silane coupling agent, 7 to 10 portions of flatting agent, 1.6 to 2.4 portions of cross-linking agent and 0.1 to 0.3 portion of initiator.
The silane comprises two or more of gamma-methacryloxypropyltrimethoxysilane, methacryloxypropyltriethoxysilane, vinyltriethoxysilane, tetraethoxysilane and tetramethoxysilane.
The alcohol solvent is any one of methanol, ethanol, n-propanol or isopropanol.
The light anti-reflection agent mainly comprises silica sol and a main film forming substance of a silica sol film coating liquid, wherein the proportion of the silica sol in the light anti-reflection agent is 75-90%, the light anti-reflection agent improves the light transmittance of a film layer and reduces the reflection of the film layer, the granularity of the silica sol is required to be less than 100 nanometers, the double-sided light-transmission rate after coating is 5-6%, and the single-sided light transmission rate is 2.5-3.0%.
The silica sol is modified silica sol, when in preparation, the nano silica is ground and then added into 5% hydrochloric acid water solution to be dissolved in ethanol together with polymer material, the polymer material is any one of polyacrylate, polymethacrylate, polyacrylic acid, polymethacrylic acid amide and polyacrylamide, the modified silica can improve the weather resistance and mechanical property of a high-degree coating layer, and the nano silica is easy to form agglomeration phenomenon due to surface molecular force among micro particles, so that the film layer is not uniform, and the mechanical property of the film layer is influenced.
The silane coupling agent is any one of vinyl triethoxysilane, vinyl trimethoxysilane and vinyl trisilane, so that the binding force between the silica sol and the substrate is further improved, and the demolding phenomenon is not easy to occur.
The leveling agent is acrylic resin, urea-formaldehyde resin and melamine-formaldehyde resin polymer, and the acrylic ester leveling agent can promote the flowing and leveling of the coating film, does not influence the interlayer adhesion of the coating film, and has the defoaming effect.
The cross-linking agent is one or the combination of two or more of vinyl triethoxysilane, ethylene glycol dimethacrylate, triallyl cyanurate and dibutyltin dilaurate.
The initiator is prepared by combining any two of benzoyl peroxide, azobisisobutyronitrile or diisopropylbenzene peroxide, and the combination of the two initiators can adjust the half-life period and improve the effect of the initiator on free radical polymerization and copolymerization of alkene and diene monomers.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The photovoltaic glass coating liquid is characterized by comprising the following components: silane, alcohol solvent, light anti-reflection agent, silane coupling agent, flatting agent, crosslinking agent and initiator;
wherein: 15 to 30 portions of silane, 10 to 15 portions of light anti-reflection agent, 60 to 75 portions of alcohol solvent, 3 to 6 portions of silane coupling agent, 7 to 10 portions of flatting agent, 1.6 to 2.4 portions of cross-linking agent and 0.1 to 0.3 portion of initiator.
2. The photovoltaic glass coating solution of claim 1, wherein the silane comprises two or more of γ -methacryloxypropyltrimethoxysilane, methacryloxypropyltriethoxysilane, vinyltriethoxysilane, tetraethoxysilane, and tetramethoxysilane.
3. The photovoltaic glass coating solution according to claim 1, wherein the alcohol solvent is any one of methanol, ethanol, n-propanol or isopropanol.
4. The photovoltaic glass coating solution of any one of claims 1 to 3, wherein the light anti-reflection agent mainly comprises silica sol, and the silica sol coating solution mainly comprises a film forming substance, wherein the silica sol accounts for 75 to 90 percent of the light anti-reflection agent.
5. The photovoltaic glass coating solution of claim 4, wherein the silica sol is a modified silica sol, and the preparation method comprises grinding nano silica, adding the ground nano silica into a 5% hydrochloric acid aqueous solution, and dissolving the ground nano silica and a polymer material in ethanol, wherein the polymer material is any one of polyacrylate, polymethacrylate, polyacrylic acid, polymethacrylic acid, polymethacrylamide and polyacrylamide.
6. The photovoltaic glass coating solution according to claim 1, wherein the silane coupling agent is any one of vinyltriethoxysilane, vinyltrimethoxysilane and vinyltrisilane.
7. The photovoltaic glass coating solution of claim 1 wherein the leveling agent is an acrylic resin, a urea-formaldehyde resin, or a melamine-formaldehyde resin polymer.
8. The photovoltaic glass coating solution of claim 1 wherein the cross-linking agent is one or a combination of two or more of vinyltriethoxysilane, ethylene glycol dimethacrylate, triallyl cyanurate, and dibutyltin dilaurate.
9. The photovoltaic glass coating solution of claim 1 wherein the initiator is selected from the group consisting of benzoyl peroxide, azobisisobutyronitrile, and diisopropylbenzene peroxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211014486.5A CN115322595A (en) | 2022-08-23 | 2022-08-23 | Photovoltaic glass coating liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211014486.5A CN115322595A (en) | 2022-08-23 | 2022-08-23 | Photovoltaic glass coating liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115322595A true CN115322595A (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211014486.5A Pending CN115322595A (en) | 2022-08-23 | 2022-08-23 | Photovoltaic glass coating liquid |
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| CN (1) | CN115322595A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060134400A1 (en) * | 2004-12-17 | 2006-06-22 | Nitto Denko Corporation | Hard-coated film and method of manufacturing the same |
| CN105330168A (en) * | 2015-10-19 | 2016-02-17 | 北京莱诺泰克科技有限公司 | Antireflection film coating liquid, and preparation method and applications thereof |
| CN109456665A (en) * | 2018-11-14 | 2019-03-12 | 安徽兆拓新能源科技有限公司 | A kind of photovoltaic glass coating liquid and preparation method thereof |
| CN109694594A (en) * | 2018-11-14 | 2019-04-30 | 东莞南玻太阳能玻璃有限公司 | A kind of high anti-reflection stain resistance antireflective coating liquid and preparation method thereof and solar-energy photo-voltaic cell packaged glass |
-
2022
- 2022-08-23 CN CN202211014486.5A patent/CN115322595A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060134400A1 (en) * | 2004-12-17 | 2006-06-22 | Nitto Denko Corporation | Hard-coated film and method of manufacturing the same |
| CN105330168A (en) * | 2015-10-19 | 2016-02-17 | 北京莱诺泰克科技有限公司 | Antireflection film coating liquid, and preparation method and applications thereof |
| CN109456665A (en) * | 2018-11-14 | 2019-03-12 | 安徽兆拓新能源科技有限公司 | A kind of photovoltaic glass coating liquid and preparation method thereof |
| CN109694594A (en) * | 2018-11-14 | 2019-04-30 | 东莞南玻太阳能玻璃有限公司 | A kind of high anti-reflection stain resistance antireflective coating liquid and preparation method thereof and solar-energy photo-voltaic cell packaged glass |
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