CN113185137A - Pure inorganic holographic projection glass and preparation method thereof - Google Patents
Pure inorganic holographic projection glass and preparation method thereof Download PDFInfo
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- 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
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
- C03C17/23—Oxides
- C03C17/25—Oxides by deposition from the liquid phase
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- 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
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
- C03C17/23—Oxides
- C03C17/25—Oxides by deposition from the liquid phase
- C03C17/256—Coating containing TiO2
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- 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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- 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
- C09D7/20—Diluents or solvents
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
- C09D7/61—Additives non-macromolecular inorganic
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- 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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- 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
- C09D7/65—Additives macromolecular
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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
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/29—Mixtures
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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
- C03C2218/112—Deposition methods from solutions or suspensions by spraying
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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
- C03C2218/114—Deposition methods from solutions or suspensions by brushing, pouring or doctorblading
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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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- 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
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/31—Pre-treatment
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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
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/32—After-treatment
Abstract
The invention discloses pure inorganic holographic projection glass and a preparation method thereof, the pure inorganic holographic projection glass comprises a glass substrate and an inorganic functional coating, the pure inorganic holographic projection glass is prepared by loading a functional coating on the glass substrate and then calcining, and the functional coating comprises the following components in percentage by mass: 0.1-10% of photonic crystal nano material, 0.5-20% of silica sol, 0.1-1% of surface modifier, 0.5-2% of dispersant and 70-95% of volatile solvent. The pure inorganic holographic projection glass has clear projection, good weather resistance and stability and long service life; in addition, a small amount of organic additives are completely converted into inorganic materials through sintering, so that the weather resistance stability and the service life of the high-purity inorganic holographic projection glass are greatly improved; volatile water or ethanol is used as a solvent of the functional coating, so that the resin coating is more environment-friendly compared with a resin solvent system; the method for preparing the pure inorganic holographic projection glass has the advantages of simple process, safety, environmental protection and low cost, and is suitable for large-scale industrial production.
Description
Technical Field
The invention relates to the field of glass, in particular to pure inorganic holographic projection glass and a preparation method thereof.
Background
The holographic projection technique is also called a virtual imaging technique, and is a technique for recording and reproducing a real three-dimensional image of an object by using the principles of interference and diffraction. The holographic projection technology is the most modern imaging technology at present, and has the advantages of vivid imaging, cool three-dimensional special effect, capability of achieving visual effect of falseness and falseness, and wide favor of people.
At present, the holographic projection market is still in an early stage of development. The method is limited by the problems of high network transmission rate requirement and expensive equipment, and the popularization and application of holographic projection are always in a small-range experimental demonstration stage. However, with the rapid development of information technology in the world and the arrival of the 5G era, the popularization and application of digital technology and the network characteristics of 5G with large bandwidth and low time delay will greatly improve the image and data interaction efficiency, and can help the holographic industry to enter the rapid development stage.
With the continuous development of the science and technology industry, the performance requirements for the holographic projection glass are continuously improved. At present, two schemes are available for preparing holographic projection glass: one of the schemes is to disperse high-refraction photonic crystals in organic optical coating (such as epoxy resin, acrylic resin and polyurethane resin), and then load the organic coating on a glass substrate to obtain holographic projection glass containing an organic coating. In another scheme, a micro-nano lattice structure required by a projection pixel point is obtained through a nano-imprinting mold technology, so that incident light is scattered.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide pure inorganic holographic projection glass and a preparation method thereof. The pure inorganic holographic projection glass has clear projection, good weather resistance stability and long service life; in addition, the method for preparing the pure inorganic holographic projection glass has the advantages of simple process, safety, environmental protection and low cost, and is suitable for large-scale industrial production.
Specifically, the technical scheme of the invention is as follows:
the pure inorganic holographic projection glass comprises a glass substrate and an inorganic functional coating, wherein the pure inorganic holographic projection glass is prepared by loading a functional coating on the glass substrate and then calcining the glass substrate, and the functional coating comprises the following components in percentage by mass: 0.1-10% of photonic crystal nano material, 0.5-20% of silica sol, 0.1-1% of surface modifier, 0.5-2% of dispersant and 70-95% of volatile solvent.
As an improvement of the pure inorganic holographic projection glass, the photonic crystal nano material is any one or combination of more of zirconia, rutile type titania, anatase type titania, glass beads and silicon dioxide.
As an improvement of the pure inorganic holographic projection glass, the surface modifier is any one or combination of more of titanate coupling agent, silane coupling agent and aluminate coupling agent.
As an improvement of the pure inorganic holographic projection glass, the dispersing agent is any one or a combination of more of sodium dodecyl benzene sulfonate, polyethylene glycol, polyvinylpyrrolidone, lignosulfonate, microcrystalline cellulose, sodium methylene bis-methyl naphthalene sulfonate, sodium polyacrylate and propionamide copolymer.
As an improvement of the pure inorganic holographic projection glass, the volatile solvent is one or the combination of water and ethanol.
Another object of the present invention is to provide a method for preparing a pure inorganic holographic projection glass, comprising the steps of:
s1) adding silica sol, a photonic crystal nano material, a surface modifier and a dispersant into a container in proportion, and heating and stirring uniformly to obtain slurry A;
s2) cooling the slurry A to room temperature, adding a certain proportion of volatile solvent and dispersant, and ultrasonically dispersing until the system is uniform to obtain a functional coating B;
s3) carrying out cleaning pretreatment on the surface of the glass substrate for later use;
s4) loading the functional coating B on the surface of the glass substrate in a spraying, brushing or rolling way;
s5), sintering and solidifying the loaded glass substrate, and cooling to obtain the pure inorganic holographic projection glass, wherein the inorganic functional coating on the pure inorganic holographic projection glass has a smooth surface without cracks, has no powder falling phenomenon after repeated kneading, and has stable performance.
As an improvement of the method for preparing the pure inorganic holographic projection glass, the cleaning pretreatment can be one of ultrasonic cleaning, plasma cleaning, laser cleaning and chemical solvent cleaning or a combination of any two of the ultrasonic cleaning, the plasma cleaning, the laser cleaning and the chemical solvent cleaning.
As an improvement of the method for preparing the pure inorganic holographic projection glass, the heating temperature is 90-120 ℃, and the stirring time is 0.5-5 h.
As an improvement of the method for preparing the pure inorganic holographic projection glass, the sintering temperature is 150-250 ℃, and the sintering time is 10-180 min.
As an improvement of the method for preparing the pure inorganic holographic projection glass, the inorganic functional coating is further subjected to functional treatment, and the functional treatment is one or the combination of any two of antifouling and anti-fingerprint treatment, high-definition anti-reflection treatment, anti-wear treatment and antibacterial treatment.
Compared with the prior art, the invention has the advantages that:
1. the invention adopts a loading and sintering mode to load the functional coating on the surface of the glass substrate, further sintering and curing to obtain the pure inorganic holographic projection glass, wherein a small amount of organic additive in the functional coating is completely converted into an inorganic material through sintering, and the photonic crystal material is cured in the inorganic coating, so that the influence of the pure inorganic holographic projection glass on high temperature of illumination is small, the weather resistance stability of the pure inorganic holographic projection glass is greatly improved, and the service life of the pure inorganic holographic projection glass is greatly prolonged.
2. The functional coating prepared by the method has high transparency, can ensure that the bidirectional projection effect of the pure inorganic holographic projection glass is good, the transmittance is more than 90 percent, and the imaging is clear and vivid. By compounding different photonic crystal materials and adjusting the proportion of the photonic crystal materials in the coating, the structural advantages of different photonic crystal nano materials can be exerted, the scattering and scattering adjustment can be carried out on incident light of a projection source, different projection pixel points are obtained, and the product diversity of the pure inorganic holographic projection glass is greatly improved.
3. According to the invention, through cleaning pretreatment of the glass substrate, oil stain, dust and impurities on the surface of the glass substrate can be cleaned and removed, the glass substrate and the functional slurry can be mutually filled and sufficiently attached, the bonding force between different interfaces is further increased, the glass substrate and the inorganic functional coating are not easy to peel off in the use process of the pure inorganic holographic projection glass, and further guarantee is provided for the imaging effect, weather-resistant stability and service life of the pure inorganic holographic projection glass.
4. The invention can perform further functional treatment on the inorganic functional coating, and the pure inorganic holographic projection glass has the advantages of excellent imaging effect, pollution prevention, self-cleaning, suitability for various application occasions and the like through antifouling and fingerprint prevention treatment, high-definition anti-reflection treatment, wear resistance treatment, antibacterial treatment and the like.
5. The invention adopts volatile water or ethanol as the solvent of the functional coating, is more environment-friendly and low in price compared with a resin solvent system, and is convenient for washing and maintaining production equipment; the loading is carried out by adopting a spraying, brushing or roller coating mode, so that the process difficulty is reduced, and the large-scale production and the marketization application of the pure inorganic holographic projection glass are facilitated.
Drawings
The invention and its advantageous technical effects are described in further detail below with reference to the accompanying drawings and detailed description, in which:
FIG. 1 is a schematic structural diagram of a pure inorganic holographic projection glass of the present invention.
Reference symbol names: 1. a glass substrate; 2. an inorganic functional coating; 3. a photonic crystal.
Detailed Description
The present invention is further described below with reference to specific examples, but the embodiments of the present invention are not limited thereto.
The first embodiment is as follows:
a method for preparing pure inorganic holographic projection glass is characterized by comprising the following steps:
s1) adding 10% of silica sol, 8% of photonic crystal nano material (4% of zirconium oxide and 4% of rutile titanium oxide), 0.5% of surface modifier titanate coupling agent and 1% of dispersant sodium dodecyl benzene sulfonate into a container in proportion, heating and stirring uniformly, wherein the heating temperature is 100 ℃, and the stirring time is 1h to obtain slurry A;
s2) cooling the slurry A to room temperature, adding 80.2% of volatile solvent (ethanol: water =1: 1) and 0.3% of dispersant polyethylene glycol, and performing ultrasonic dispersion until the system is uniform to obtain a functional coating B;
s3) carrying out ultrasonic cleaning pretreatment on the surface of the glass substrate for later use;
s4) loading the functional coating B on the surface of the glass substrate in a spraying mode;
s5) sintering and solidifying the loaded glass substrate, wherein the sintering temperature is 150 ℃, the sintering time is 80min, and cooling is carried out to obtain the pure inorganic holographic projection glass, and the inorganic functional coating on the pure inorganic holographic projection glass has smooth surface, no crack, no powder falling phenomenon after repeated kneading, and stable performance.
Example two:
a method for preparing pure inorganic holographic projection glass is characterized by comprising the following steps:
s1) adding 12% of silica sol, 5% of photonic crystal nano material anatase titanium oxide, 0.4% of surface modifier silane coupling agent and 0.8% of dispersant polyethylene glycol in a container according to the proportion, heating and stirring uniformly at the temperature of 110 ℃ for 1h to obtain slurry A;
s2) cooling the slurry A to room temperature, adding 81.7% of volatile solvent (ethanol: water =1: 2) and 0.1% of dispersant polyethylene glycol, and performing ultrasonic dispersion until the system is uniform to obtain a functional coating B;
s3) carrying out plasma cleaning pretreatment on the surface of the glass substrate for later use;
s4) loading the functional coating B on the surface of the glass substrate in a brush coating mode;
s5) sintering and solidifying the loaded glass substrate, wherein the sintering temperature is 200 ℃, the sintering time is 20min, and cooling is carried out to obtain the pure inorganic holographic projection glass, and the inorganic functional coating on the pure inorganic holographic projection glass has smooth surface, no crack, no powder falling phenomenon after repeated kneading, and stable performance.
S6) performing antifouling and fingerprint-proof treatment on the inorganic functional coating to obtain the pure inorganic holographic projection glass with antifouling and fingerprint-proof functions.
Example three:
a method for preparing pure inorganic holographic projection glass is characterized by comprising the following steps:
s1) adding 15% of silica sol, 8% of photonic crystal nano material (3% of rutile titanium oxide and 5% of anatase titanium oxide), 0.8% of surface modifier aluminate coupling agent and 1.2% of dispersant polyvinylpyrrolidone into a container in proportion, heating and stirring uniformly at the temperature of 95 ℃ for 3 hours to obtain slurry A;
s2) cooling the slurry A to room temperature, adding 74.5% of volatile solvent ethanol and 0.5% of dispersant microcrystalline cellulose, and performing ultrasonic dispersion until the system is uniform to obtain a functional coating B;
s3) carrying out laser cleaning pretreatment on the surface of the glass substrate for later use;
s4) loading the functional coating B on the surface of the glass substrate in a roller coating mode;
s5) sintering and solidifying the loaded glass substrate, wherein the sintering temperature is 180 ℃, the sintering time is 40min, and cooling is carried out to obtain the pure inorganic holographic projection glass, and the inorganic functional coating on the pure inorganic holographic projection glass has smooth surface, no crack, no powder falling phenomenon after repeated kneading, and stable performance.
S6) performing high-definition anti-reflection treatment on the inorganic functional coating to obtain the pure inorganic holographic projection glass with high-definition anti-reflection function.
Example four:
a method for preparing pure inorganic holographic projection glass is characterized by comprising the following steps:
s1) adding 5% of silica sol, 2% of photonic crystal nano material anatase titanium oxide, 0.1% of surface modifier titanate coupling agent and 0.5% of dispersant polyethylene glycol in a container according to the proportion, heating and stirring uniformly at the heating temperature of 105 ℃ for 2h to obtain slurry A;
s2) cooling the slurry A to room temperature, adding 92.4% of volatile solvent (ethanol: water =10: 1) and ultrasonically dispersing until the system is uniform to obtain a functional coating B;
s3) carrying out cleaning pretreatment on the surface of the glass substrate by using a chemical solvent for later use;
s4) loading the functional coating B on the surface of the glass substrate in a spraying mode;
s5) sintering and solidifying the loaded glass substrate, wherein the sintering temperature is 250 ℃, the sintering time is 10min, and cooling is carried out to obtain the pure inorganic holographic projection glass, and the inorganic functional coating on the pure inorganic holographic projection glass has smooth surface, no crack, no powder falling phenomenon after repeated kneading, and stable performance.
S6) carrying out further anti-wear treatment on the inorganic functional coating to obtain the pure inorganic holographic projection glass with anti-wear function.
Example five:
a method for preparing pure inorganic holographic projection glass is characterized by comprising the following steps:
s1) adding 8% of silica sol, 3% of photonic crystal nano material (1% of anatase titanium oxide, 1% of glass beads and 1% of silicon dioxide), 0.2% of surface modifier silane coupling agent and 0.6% of dispersing agent (0.4% of polyvinylpyrrolidone and 0.2% of methylene bis-methylnaphthalene sulfonate) into a container in proportion, heating and stirring uniformly, wherein the heating temperature is 120 ℃, and the stirring time is 0.5h to obtain slurry A;
s2) cooling the slurry A to room temperature, adding 87% of volatile solvent (ethanol: water =4: 3) and 1.2% of dispersant polyethylene glycol, and performing ultrasonic dispersion until the system is uniform to obtain a functional coating B;
s3) carrying out plasma cleaning pretreatment on the surface of the glass substrate for later use;
s4) loading the functional coating B on the surface of the glass substrate in a spraying mode;
s5) sintering and solidifying the loaded glass substrate, wherein the sintering temperature is 220 ℃, the sintering time is 30min, and cooling is carried out to obtain the pure inorganic holographic projection glass, and the inorganic functional coating on the pure inorganic holographic projection glass has smooth surface, no crack, no powder falling phenomenon after repeated kneading, and stable performance.
S6) carrying out further antibacterial treatment on the inorganic functional coating to obtain the pure inorganic holographic projection glass with antibacterial function.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and arrangements of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The pure inorganic holographic projection glass is characterized by comprising a glass substrate and an inorganic functional coating, wherein the pure inorganic holographic projection glass is prepared by loading a functional coating on the glass substrate and then calcining the glass substrate, and the functional coating comprises the following components in percentage by mass: 0.1-10% of photonic crystal nano material, 0.5-20% of silica sol, 0.1-1% of surface modifier, 0.5-2% of dispersant and 70-95% of volatile solvent.
2. The pure inorganic holographic projection glass of claim 1, wherein the photonic crystal nano-material is any one or combination of more of zirconia, rutile titania, anatase titania, glass beads, silica.
3. The pure inorganic holographic projection glass of claim 1, wherein the surface modifier is any one or combination of titanate coupling agent, silane coupling agent, aluminate coupling agent.
4. The pure inorganic holographic projection glass of claim 1, wherein the dispersant is any one or more of sodium dodecyl benzene sulfonate, polyethylene glycol, polyvinylpyrrolidone, lignosulfonate, microcrystalline cellulose, sodium methylene bis-methyl naphthalene sulfonate, sodium polyacrylate, and propionamide copolymer.
5. The pure inorganic holographic projection glass of any of claims 1 to 4, wherein the volatile solvent is one or a combination of water and ethanol.
6. Another object of the present invention is to provide a method for preparing a pure inorganic holographic projection glass, which is characterized by comprising the following steps:
s1) adding silica sol, a photonic crystal nano material, a surface modifier and a dispersant into a container in proportion, and heating and stirring uniformly to obtain slurry A;
s2) cooling the slurry A to room temperature, adding a certain proportion of volatile solvent and dispersant, and ultrasonically dispersing until the system is uniform to obtain a functional coating B;
s3) carrying out cleaning pretreatment on the surface of the glass substrate for later use;
s4) loading the functional coating B on the surface of the glass substrate in a spraying, brushing or rolling way;
s5) sintering and solidifying the loaded glass substrate, and cooling to obtain the pure inorganic holographic projection glass with the inorganic functional coating.
7. The pure inorganic holographic projection glass of claim 6, wherein the cleaning pretreatment can be one of ultrasonic cleaning, plasma cleaning, laser cleaning, chemical solvent cleaning, or a combination of any two.
8. The pure inorganic holographic projection glass according to claim 7, wherein the heating temperature is 90 to 120 ℃ and the stirring time is 0.5 to 5 hours.
9. The pure inorganic holographic projection glass according to claim 8, wherein the sintering temperature is 150-250 ℃ and the sintering time is 10-300 min as an improvement of the method for preparing the pure inorganic holographic projection glass.
10. The pure inorganic holographic projection glass of any of claims 6 to 9, wherein the inorganic functional coating is further subjected to a functional treatment, wherein the functional treatment is one or a combination of any two of antifouling anti-fingerprint treatment, high-definition anti-reflection treatment, anti-abrasion treatment and antibacterial treatment.
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2021
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| CN110780531A (en) * | 2019-12-12 | 2020-02-11 | 张保平 | Nano-photonic crystal photoluminescence transparent holographic high-definition imaging film |
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