CN114524613B - Different-color glass, manufacturing method of different-color glass and light guide plate - Google Patents
Different-color glass, manufacturing method of different-color glass and light guide plate Download PDFInfo
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- CN114524613B CN114524613B CN202210230733.9A CN202210230733A CN114524613B CN 114524613 B CN114524613 B CN 114524613B CN 202210230733 A CN202210230733 A CN 202210230733A CN 114524613 B CN114524613 B CN 114524613B
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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
- C03C4/00—Compositions for glass with special properties
- C03C4/02—Compositions for glass with special properties for coloured glass
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B18/00—Shaping glass in contact with the surface of a liquid
- C03B18/02—Forming sheets
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
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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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0065—Manufacturing aspects; Material aspects
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The embodiment of the application relates to heterochromatic glass, a manufacturing method of heterochromatic glass and a light guide plate, and belongs to the technical field of glass. The embodiment of the application aims to solve the problems of limited color types, complex processing process and limited service life of the heterochromatic glass in the related technology. The heterochromatic glass provided by the embodiment of the application comprises the following components in percentage by mass: 64.5 to 72.0 percent of silicon dioxide, 0.1 to 3.5 percent of aluminum oxide, 0.4 to 2.6 percent of phosphorus oxide, 9.3 to 12.7 percent of sodium oxide, 6.0 to 12.5 percent of calcium oxide, 0.1 to 1.0 percent of magnesium oxide, 2.0 to 4.5 percent of barium peroxide and 0.2 to 4.5 percent of nano-structure toner. The heterochromatic glass provided by the embodiment of the application can increase the variety of color types, reduce the complexity of the heterochromatic glass processing process and prolong the service life of the heterochromatic glass.
Description
Technical Field
The embodiment of the application belongs to the technical field of glass, and particularly relates to heterochromatic glass, a manufacturing method of heterochromatic glass and a light guide plate.
Background
With the gradual younger of automobile consumer groups, the personal demands of people on automobile interiors are becoming wider, and atmosphere lamps such as star lights and the like are receiving more and more attention. The atmosphere lamp generally reflects, refracts, diffuses and the like light emitted by the illumination light source by using the heterochromatic glass, so that the light emitted from the heterochromatic glass has different colors and patterns, and different atmospheres are formed in the vehicle.
In the related art, a glass with different colors is generally produced by adding a colorant to a batch of the glass, for example, adding Fe to the batch 2+ Making the glass blue-green. Alternatively, the surface of the transparent glass is provided with a color coating so that the transparent glass can present different colors and patterns.
However, the different-color glass produced by adding a colorant to the batch has a limited variety of colors; the heterochromatic glass prepared by forming the color coating on the surface of the transparent glass has complex processing process, and the color coating is easy to fall off and age, so that the service life of the heterochromatic glass is reduced.
Disclosure of Invention
In view of the above, embodiments of the present application provide a heterochromatic glass, a method for manufacturing heterochromatic glass, and a light guide plate, so as to solve the technical problems of limited types of heterochromatic glass colors, complex processing procedures, and limited service lives in the related art.
The first aspect of the embodiment of the application provides heterochromatic glass, which comprises the following components in percentage by mass: 64.5 to 72.0 percent of silicon dioxide, 0.1 to 3.5 percent of aluminum oxide, 0.4 to 2.6 percent of phosphorus oxide, 9.3 to 12.7 percent of sodium oxide, 6.0 to 12.5 percent of calcium oxide, 0.1 to 1.0 percent of magnesium oxide, 2.0 to 4.5 percent of barium peroxide and 0.2 to 4.5 percent of nano-structure toner; the nanostructured toner is a powdered optical crystal having a periodic micro-nano structure of the wavelength of light.
According to the heterochromatic glass disclosed by the embodiment of the application, the nano-structure toner is added into the batch, and the heterochromatic glass has different colors due to the fact that the color types of the nano-structure toner are rich, so that the variety of the color types of the heterochromatic glass is increased; and extra processing steps are not needed, so that the complexity of the processing process of the heterochromatic glass is reduced; in addition, the nano-structure toner is positioned in the glass, so that the nano-structure toner cannot fall off and age, and the service life of the heterochromatic glass is prolonged.
In some implementations, which may include the above examples, the nanostructured toner includes one or more of strontium oxide, cerium oxide, zirconium oxide, titanium pentoxide, erbium oxide, lanthanum titanium oxide, lanthanum oxide, neodymium oxide, praseodymium oxide, and samarium oxide.
In some implementations, which may include the above examples, a homogenizing agent is also included, including one or more of arsenic oxide, antimony oxide, chloride, and fluoride.
The second aspect of the embodiment of the present application also provides a method for manufacturing a heterochromatic glass, which is used for manufacturing the heterochromatic glass described in any one of the above, and includes:
s1: obtaining nano-structure toner;
s2: mixing silicon dioxide, aluminum oxide, phosphorus oxide, sodium oxide, calcium oxide, magnesium oxide, barium peroxide and nano-structure toner in proportion to obtain a batch;
s3: melting the batch in a melting furnace to obtain uniform and clear glass liquid;
s4: forming glass liquid to obtain plate glass;
s5: and cooling and annealing the plate glass to obtain the heterochromatic glass.
In some embodiments, which may include the above examples, in S3, the holding time period is 2.5 to 3 hours when the temperature of the molten glass is 1520 to 1580 ℃.
In some implementations, which may include the above examples, in S5, the annealing temperature is reduced to 570-580 ℃ within 120 min; then, within 110min, the annealing temperature is reduced to 460-470 ℃; then, the annealing temperature is reduced to 410-420 ℃ within 20 min.
In some implementations, which may include the above examples, in the S3, when the temperature T of the molten glass is 1520. Ltoreq.T. Ltoreq.1580℃Is 10 0.5 ～10Pa·s。
In some implementations, which may include the above examples, in said S4, the viscosity of the molten glass is 10 when the temperature T of the molten glass is 650 < T < 1520 DEG C 9 ～10 10 Pa·s。
In some embodiments, which may include the above examples, in the S5, when the temperature T of the sheet glass is 570 < T.ltoreq.605 ℃, the viscosity of the sheet glass is 10 11 ～10 12.4 Pa·s; when the temperature T of the plate glass is 535 < T.ltoreq.570 ℃, the viscosity of the plate glass is 10 12.8 ～10 13.6 Pa·s。
The third aspect of the embodiment of the application also provides a light guide plate, which comprises the heterochromatic glass or the heterochromatic glass manufactured according to the manufacturing method of the heterochromatic glass, wherein the surface of the heterochromatic glass is provided with an ink layer.
The light guide plate of the embodiment of the application also has the advantages of the different-color glass due to the fact that the light guide plate comprises the different-color glass, and the description is omitted herein.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is apparent that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for manufacturing heterochromatic glass according to an embodiment of the application;
FIG. 2 is a schematic flow chart of the process of obtaining the nanostructured toner of FIG. 1;
fig. 3 is a schematic structural diagram of a light guide plate according to an embodiment of the application.
Reference numerals illustrate:
10-heterochromatic glass;
20-an ink layer;
30-light guide plate.
Detailed Description
In the related art, a glass with different colors generally has a certain color by adding a colorant into a batch of the glass. Colorants in the glass are capable of selectively absorbing white light incident on the glass, thereby altering the spectral composition of light transmitted through the glass such that the glass exhibits a different color. For example, fe is added to the batch 2+ Making the glass blue-green and Mn 4+ Making the glass purple, etc. However, the different-color glass produced by adding the colorant to the batch has limited kinds of colors, which is not favorable for the diversification of the colors of the different-color glass.
The heterochromatic glass can also be formed by forming color coatings with different shapes on the surface of the transparent glass. The color coating can selectively absorb the white light entering the transparent glass, so that the light with a specific color is emitted from the heterochromatic glass, and the emitted light is in a specific shape. However, the heterochromatic glass prepared by forming the color coating on the surface of the transparent glass is required to be provided with a color image layer on the surface of the transparent glass, so that the complexity of the heterochromatic glass processing process is increased; and the color coating is easy to fall off, age and the like, so that the service life of the heterochromatic glass is reduced.
The method aims to solve the technical problems of limited color types, complex processing process and limited service life of the heterochromatic glass in the related technology. The embodiment of the application provides heterochromatic glass, wherein nano-structure toner is added into a batch of the heterochromatic glass, and the heterochromatic glass has different colors due to the abundant color types of the nano-structure toner, so that the variety of the color types of the heterochromatic glass is increased; and extra processing steps are not needed, so that the complexity of the processing process of the heterochromatic glass is reduced; in addition, the nano-structure toner is positioned in the glass, so that the nano-structure toner cannot fall off and age, and the service life of the heterochromatic glass is prolonged.
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides heterochromatic glass, which comprises the following components in percentage by mass: silicon dioxide (SiO) 2 ) 64.5 to 72.0 percent, alumina (Al) 2 O 3 ) 0.1 to 3.5 percent of phosphorus oxide (P) 2 O 5 ) 0.4 to 2.6 percent, sodium oxide (Na) 2 9.3 to 12.7 percent of O), 6.0 to 12.5 percent of calcium oxide (CaO), 0.1 to 1.0 percent of magnesium oxide (MgO), 2.0 to 4.5 percent of barium peroxide (BaO 2) and 0.2 to 4.5 percent of nano-structure toner.
Silica is the main heterochromatic glass forming oxide, and forms an irregular continuous network with structural components of silicon oxygen tetrahedra, so that the silica becomes a skeleton of the heterochromatic glass. Illustratively, the raw material into which the silica is introduced may be quartz sand, sandstone, quartzite, quartz, or the like. The mass percentage of silica may be 64.5 to 72.0%, for example 70%.
The alumina can play a role in enhancing the network, so that the viscosity of the heterochromatic glass is improved, and glass crystallization is inhibited. However, excessive alumina can cause aluminum abnormality, which reduces the performance of the heterochromatic glass. Illustratively, the alumina may be 0.1 to 3.5 mass percent, such as 3 mass percent.
The phosphorus oxide is a forming body oxide of the heterochromatic glass, can reduce the chemical stability of the heterochromatic glass, and improves the dispersion coefficient, the ultraviolet light transmittance and the light transmittance. Illustratively, the mass percent of phosphorus oxide may be 0.4 to 2.6%, such as 1.5%.
Sodium oxide is a network exosome oxide of heterochromatic glass, can provide free oxygen in heterochromatic glass, reduces glass viscosity, and has fluxing effect. Sodium oxide also increases the coefficient of expansion of the glass and reduces the thermal, chemical and mechanical strength of the glass. Illustratively, the mass percent of sodium oxide may be 9.3 to 12.7%, for example 10%.
Calcium oxide is a network external oxide of the heterochromatic glass, can enhance the chemical stability and mechanical strength of the heterochromatic glass, shortens the material property and has an accumulation effect. However, too much calcium oxide is liable to makeWollastonite crystals (CaO. SiO) are precipitated during the process of making the heterochromatic glass 2 ) Making the heterochromatic glass brittle. Illustratively, the raw material into which the calcium oxide is introduced may be calcite, limestone, chalk, industrial calcium carbonate, and the like. The mass percentage of the calcium oxide may be 6.0 to 12.5%, for example 9%.
The magnesium oxide is a network external oxide of the heterochromatic glass, can reduce the high-temperature viscosity of the heterochromatic glass, improve the chemical stability and the mechanical strength of the heterochromatic glass, improve the crystallization performance of the heterochromatic glass and enlarge the operating temperature range. However, excessive magnesium oxide increases the viscosity and surface tension of the heterochromatic glass, increases the difficulty in melting and clarifying the heterochromatic glass, and reduces the product quality of the heterochromatic glass. Illustratively, the mass percent of magnesium oxide may be 0.1-1.0%, such as 0.5%.
The barium peroxide can be used as a decoloring agent of the glass to improve the color purity of the heterochromatic glass and the quality of the heterochromatic glass. Illustratively, the barium peroxide may be 2.0-4.5% by mass, such as 3%.
The nano-structure toner is added into the heterochromatic glass, so that light irradiated to the heterochromatic glass can have the effects of interference, diffraction, dispersion and the like, and the light emitted from the heterochromatic glass has different colors, and the purity and the brightness of the colors are higher than those of the existing heterochromatic glass. Illustratively, the mass percent of the nanostructured toner may be 0.2 to 4.5%, for example 3%.
The nanostructure toner refers to a powdery nanostructure color crystal. The nanostructure color crystals refer to optical crystals having micro-nano structures of the wavelength size of light. When light irradiates the nano-structure color crystal, the micro-nano structure with the optical wavelength scale can interact with the light to form the effects of interference, diffraction or color dispersion and the like, and the physical color-generating effect of the color is generated, so that the nano-structure color crystal has different colors. Illustratively, the nanostructured color crystals may be optical films comprising multiple film layers. It is understood that the nanostructure color crystals may also be optical crystals having other periodic micro-nano structures, which are not particularly limited in the embodiments of the present application.
According to the embodiment of the application, the nano-structure toner is added, so that the different-color glass has different colors due to the fact that the color variety of the nano-structure toner is rich, the variety of the color variety of the different-color glass is increased, and the visual experience of customers is improved. Compared with common glass, the heterochromatic glass provided by the embodiment of the application does not need to add extra processing steps, and the complexity of the heterochromatic glass processing process is reduced. In addition, the heterochromatic glass of the embodiment of the application has the advantages that the nano-structure toner is positioned in the glass and cannot fall off and age, and compared with the heterochromatic glass provided with the color coating, the heterochromatic glass has prolonged service life.
The material of the nano-structure toner can be metal or metal oxide. Exemplary materials for the nanostructured toner may include strontium oxide (SrO), cerium oxide (CeO), zirconium oxide (ZrO), titanium pentoxide (Ti 3 O 5 ) Erbium oxide (Er) 2 O 3 ) Lanthanum titanium oxide (La) 2 Ti 2 O 7 ) Lanthanum oxide (La) 2 O 3 ) Neodymium oxide (Nd) 2 O 3 ) Didymium (Pr) 2 O 3 ) And samarium oxide (Sm) 2 O 3 ) One or more of the following. That is, the material of the nanostructured toner may be any one of the above materials, or may be a mixture of any two or more of the above materials.
The above materials can be added as auxiliary agents to raw materials in the process of manufacturing general glass, so as to adjust the hardening speed and crystallization tendency of the general glass, adjust the high-temperature viscosity of the glass, adjust the chemical stability, mechanical strength and color of the glass, and the like. When the nano-structure toner is selected as the material, the manufacturing method of common glass can be used for manufacturing the heterochromatic glass of the embodiment of the application, so that the manufacturing difficulty of the heterochromatic glass is reduced.
Illustratively, the material of the nanostructured toner may be zirconia. The nano-structure toner made of zirconia can be used as a network intermediate oxide of the heterochromatic glass, can improve the viscosity, refractive index and chemical stability of the heterochromatic glass, and can reduce the ultraviolet light permeability and X-ray transmission capacity of the glass.
Illustratively, the material of the nanostructured toner may be cerium oxide or neodymium oxide. Cerium oxide and neodymium oxide can be used as decolorizer in heterochromatic glass, and can eliminate Fe 2+ The influence on the color of the heterochromatic glass is improved, so that the purity of the color of the heterochromatic glass is improved.
It can be understood that the material of the nano-structure toner can be one or more of strontium oxide, titanium pentoxide, erbium oxide, titanium lanthanum oxide, praseodymium trioxide and samarium oxide, so as to adjust the glass performance in the process of manufacturing the heterochromatic glass, which is not repeated in the embodiment of the application.
In some implementations of the embodiments of the present application, a homogenizing agent may be further included in the components of the heterochromatic glass, where the homogenizing agent may improve uniformity of each component in the heterochromatic glass during the manufacturing process of the heterochromatic glass, so as to improve uniformity of performance of the heterochromatic glass, thereby improving product quality of the heterochromatic glass. In addition, the homogenizing agent can improve the uniformity of each component in the heterochromatic glass so as to reduce the surface energy of the heterochromatic glass, thereby reducing the adhesive capacity of other substances on the surface of the heterochromatic glass, improving the corrosion resistance of the heterochromatic glass, improving the hydrophobicity of the surface of the heterochromatic glass and being beneficial to the self-cleaning performance of the surface of the heterochromatic glass.
Illustratively, the homogenizing agent may include one or more of arsenic oxide, antimony oxide, chloride, and fluoride.
Referring to fig. 1, the embodiment of the application further provides a method for manufacturing the heterochromatic glass, which comprises the following steps:
s1: and obtaining the nano-structure toner.
The nanostructured toner is a powder of nanostructured color crystals. The nanostructure color crystals refer to optical crystals having micro-nano structures of the wavelength size of light. When light irradiates the nano-structure color crystal, the micro-nano structure with the optical wavelength scale can interact with the light to form the effects of reflection, refraction, interference, diffraction or color dispersion, and the like, so that the physical color-generating effect of the color is generated, and the nano-structure color crystal has different colors.
Illustratively, referring to fig. 2, the nanostructured toner can be obtained by the following method.
S11: a substrate is provided.
The substrate provides support for the subsequent optical film. Illustratively, the substrate may be a glass substrate or the like. The glass substrate has the advantages of stable structure and corrosion resistance so as to reduce the influence on the optical film.
S12: an optical film is formed on a substrate.
The optical film may include multiple film layers. Illustratively, electron beam evaporation, thermal evaporation, sputtering, chemical vapor deposition, atomic layer deposition, or the like may be employed to sequentially form a plurality of film layers on a provided substrate.
When the white light irradiates onto the multilayer film layer, the multilayer film layer can reflect, refract, interfere, diffract or disperse the white light, so that the light emitted from the optical film presents color.
Illustratively, the thickness of each film layer may be 20-1000 nm, e.g., 20nm, 50nm, 80nm, 100nm, 500nm, 1000nm, etc. The thickness of each film layer can be the same or different.
The materials of each film layer can be the same or different, so that each film layer has a different refractive index. The structure and refractive index of the optical film can be adjusted by adjusting the thickness and the material of each film layer, so that the light emitted from the optical film can have different colors, and the embodiments of the present application will not be repeated.
S13: the optical film is peeled off.
Illustratively, the substrate and the optical film may be peeled by placing them in a peeling liquid, or the optical film may be peeled from the substrate by a laser peeling technique.
S14: the optical film is crushed to obtain film powder.
For example, an ultrasonic mill may be used to mill the optical film. It is understood that shredding the optical film refers to shredding the entire optical film into small pieces or powder, but does not cause separation between the layers.
S15: and filtering and separating the film powder to obtain the nano-structure toner.
Filtering and separating the crushed optical film to obtain the nano-structure toner.
The manufacturing method of the heterochromatic glass provided by the embodiment of the application further comprises the following steps:
s2: mixing silicon dioxide, aluminum oxide, phosphorus oxide, sodium oxide, calcium oxide, magnesium oxide, barium peroxide and nano-structure toner in proportion to obtain the batch.
Illustratively, the components may be pre-treated first. For example, silica, alumina, phosphorus oxide, sodium oxide, calcium oxide, magnesium oxide, barium peroxide may be pretreated, such as dried, crushed, sieved, beneficiated, electromagnetically deironized, etc., and then each powder may be stored. And then weighing the obtained nano-structure toner and powder materials of silicon dioxide, aluminum oxide, phosphorus oxide, sodium oxide, calcium oxide, magnesium oxide and barium peroxide, and mixing the powder materials according to a proportion to obtain the batch. Illustratively, the components may be configured as follows in mass percent: 70% of silicon dioxide, 3% of aluminum oxide, 1.5% of phosphorus oxide, 10% of sodium oxide, 9% of calcium oxide, 0.5% of magnesium oxide, 3% of barium peroxide and 3% of nano-structure toner.
S3: the batch materials are melted in a melting furnace to obtain uniform and clear glass liquid.
And feeding the prepared batch into a melting furnace for melting. Illustratively, after the batch materials are fed into the melting furnace, the temperature in the furnace is gradually increased, the batch materials are gradually melted in the furnace, silicate and glassy states are sequentially formed, and then clarification and homogenization are performed to obtain a glass liquid with nanostructured toner.
Illustratively, when the temperature of the glass liquid is 1520-1580 ℃, the glass liquid can be kept warm for 2.5-3 hours, for example, 2.5 hours, 2.8 hours or 3 hours, so that the nano-structure toner can be oriented and uniformly arranged in the glass liquid, thereby improving the uniformity of the color of the heterochromatic glass. Meanwhile, the uniformity of other components in the heterochromatic glass can be improved, so that the uniformity of the performance of the heterochromatic glass is improved, and the product quality of the heterochromatic glass is further improved; the surface energy of the heterochromatic glass can be reduced, and the adhesive capacity of other substances on the surface of the heterochromatic glass is reduced, so that the corrosion resistance of the heterochromatic glass is improved, the hydrophobicity of the surface of the heterochromatic glass is improved, and the self-cleaning performance of the surface of the heterochromatic glass is facilitated.
In the process of melting the batch into the glass liquid, the homogenizing effect of the glass liquid can be ensured by controlling the viscosity of the glass liquid. For example, when the temperature T of the molten glass is 1520. Ltoreq.T. Ltoreq.1580deg.C, the viscosity of the molten glass may be 10 0.5 -10 pa.s. If the viscosity of the molten glass exceeds the above range, the viscosity of the molten glass can be adjusted by adjusting the stirring speed of the molten glass.
For example, a homogenizing agent may be added to the batch material, and the homogenizing agent can improve the uniformity of each component in the molten glass, so as to further improve the homogenization effect of the molten glass. For example, the homogenizing agent may include one or more of arsenic oxide, antimony oxide, chloride, and fluoride.
S4: and (5) forming the glass liquid to obtain the flat glass.
For example, the molten glass may be formed into a sheet glass by float forming. It will be appreciated that the sheet glass may be obtained by other glass forming methods, and the embodiments of the present application will not be described herein.
For example, in the course of forming the molten glass, when the temperature T of the molten glass is 650 < T < 1520 ℃, the viscosity of the molten glass may be 10 9 ～10 10 Pa·s to ensure the homogeneity effect of the glass liquid by controlling the viscosity of the glass liquid.
S5: and cooling and annealing the plate glass to obtain the heterochromatic glass.
Illustratively, the sheet glass may be annealed in stages by constant velocity annealing to reduce or eliminate residual internal stress and optical non-uniformities within the sheet glass and to stabilize the structure within the sheet glass. For example, during annealing, the annealing temperature can be reduced to 570-580 ℃ within 120 min; then, the annealing temperature is reduced to 460-470 ℃ within 110 min; then the annealing temperature is reduced to 410-420 ℃ within 20 min.
After the annealing is completed, the heterochromatic glass is obtained.
Illustratively, the viscosity of the sheet glass during annealing is 10 when the temperature of the sheet glass is 570 < T.ltoreq.605℃ 11 ～10 12.4 Pa·s; when the temperature T of the plate glass is 535 < T.ltoreq.570 ℃, the viscosity of the plate glass is 10 12.8 ～10 13.6 Pa·s to ensure the homogeneity effect of the glass liquid by controlling the viscosity of the glass liquid.
The heterochromatic glass provided by the embodiment of the application has different colors, so that the variety of the heterochromatic glass color types is increased, and the visual experience of customers is improved. Compared with common glass, the heterochromatic glass provided by the embodiment of the application does not need to add extra processing steps, and the complexity of the heterochromatic glass processing process is reduced. In addition, the heterochromatic glass of the embodiment of the application has the advantages that the nano-structure toner is positioned in the glass and cannot fall off and age, and compared with the heterochromatic glass provided with the color coating, the heterochromatic glass has prolonged service life.
Illustratively, the heterochromatic glass of the embodiment of the application can be used for automobile inner and outer decorations, building outer walls, outer shells of electronic consumer products, outer shells of household appliances, interior decorations and the like, and can also be used for building glass, process glass, optical glass, medical glass, automobile glass and the like.
Illustratively, referring to fig. 3, an embodiment of the present application further provides a light guide plate 30, including the above-mentioned heterochromatic glass 10, and the surface of the heterochromatic glass 10 may be provided with the ink layer 20.
The light guide plate 30 according to the embodiment of the present application, because of including the above-mentioned heterochromatic glass 10, the light guide plate 30 also has the advantages of the above-mentioned heterochromatic glass 10, and will not be described herein again.
In addition, the ink layer 20 on the surface of the heterochromatic glass 10 may have different patterns, or may have different selective absorbability to light, and the ink layer 20 may be matched with the heterochromatic glass 10 to display different colors and patterns, thereby improving the richness of the colors and patterns of the light guide plate 30.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (10)
1. The heterochromatic glass is characterized by comprising the following components in percentage by mass:
64.5 to 72.0 percent of silicon dioxide, 0.1 to 3.5 percent of aluminum oxide, 0.4 to 2.6 percent of phosphorus oxide, 9.3 to 12.7 percent of sodium oxide, 6.0 to 12.5 percent of calcium oxide, 0.1 to 1.0 percent of magnesium oxide, 2.0 to 4.5 percent of barium peroxide and 0.2 to 4.5 percent of nano-structure toner; the nanostructured toner is a powdered optical crystal having a periodic micro-nano structure of the wavelength of light.
2. The heterochromatic glass of claim 1, wherein the nanostructured toner comprises one or more of strontium oxide, cerium oxide, zirconium oxide, titanium pentoxide, erbium oxide, lanthanum titanium oxide, lanthanum oxide, neodymium oxide, praseodymium oxide, and samarium oxide.
3. The heterochromatic glass of claim 1 or claim 2, further comprising a homogenizing agent comprising one or more of arsenic oxide, antimony oxide, chloride, and fluoride.
4. A method of making a heterochromatic glass, for making the heterochromatic glass of any of claims 1-3, comprising:
s1: obtaining nano-structure toner;
s2: mixing silicon dioxide, aluminum oxide, phosphorus oxide, sodium oxide, calcium oxide, magnesium oxide, barium peroxide and nano-structure toner in proportion to obtain a batch;
s3: melting the batch in a melting furnace to obtain uniform and clear glass liquid;
s4: forming glass liquid to obtain plate glass;
s5: and cooling and annealing the plate glass to obtain the heterochromatic glass.
5. The method according to claim 4, wherein in S3, the heat-retaining period is 2.5 to 3 hours when the temperature of the molten glass is 1520 to 1580 ℃.
6. The method according to claim 5, wherein in S5, the annealing temperature is reduced to 570 ℃ to 580 ℃ within 120 min; then, within 110min, the annealing temperature is reduced to 460-470 ℃; then, the annealing temperature is reduced to 410-420 ℃ within 20 min.
7. The method according to claim 4, wherein in S3, when the temperature T of the molten glass is 1520. Ltoreq.T. Ltoreq.1580 ℃, the viscosity of the molten glass is 10 0.5 ～10Pa·s。
8. The method according to claim 4, wherein in S4, when the temperature T of the molten glass is 650 < T < 1520 ℃, the viscosity of the molten glass is 10 9 ～10 10 Pa·s。
9. The method according to claim 4, wherein in S5, when the temperature of the sheet glass is 570 < T.ltoreq.605 ℃, the viscosity of the sheet glass is 10 11 ～10 12.4 Pa·s; when the temperature T of the plate glass is 535 < T.ltoreq.570 ℃, the viscosity of the plate glass is 10 12.8 ～10 13.6 Pa·s。
10. A light guide plate comprising the heterochromatic glass of any one of claims 1 to 3, or the heterochromatic glass produced by the method for producing heterochromatic glass of any one of claims 4 to 9, the surface of the heterochromatic glass being provided with an ink layer.
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| US11155715B2 (en) * | 2013-07-31 | 2021-10-26 | President And Fellows Of Harvard College | Structurally colored materials with spectrally selective absorbing components and methods for making the same |
| KR102058195B1 (en) * | 2016-06-13 | 2019-12-20 | 주식회사 엘지화학 | Glass light guide plate and method for fabricating the same |
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| EP1736137A1 (en) * | 2005-06-22 | 2006-12-27 | L'Oréal | Optically colored body and optical structure |
| CN111574047A (en) * | 2020-05-25 | 2020-08-25 | 陕西科技大学 | Wide-color-gamut structural color glass and preparation method thereof |
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