CN113087399A - Environment-friendly low-expansion high-covering-power glass powder for electrical appliance - Google Patents
Environment-friendly low-expansion high-covering-power glass powder for electrical appliance Download PDFInfo
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- CN113087399A CN113087399A CN202110373744.8A CN202110373744A CN113087399A CN 113087399 A CN113087399 A CN 113087399A CN 202110373744 A CN202110373744 A CN 202110373744A CN 113087399 A CN113087399 A CN 113087399A
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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
- C03C12/00—Powdered glass; Bead compositions
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
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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
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D233/00—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings
- C07D233/54—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
- C07D233/66—Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D233/90—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Abstract
The invention relates to the technical field of glass powder preparation, in particular to environment-friendly low-expansion high-covering-power glass powder for an electric appliance, which comprises the following raw materials in parts by weight: 10-50 parts of silicon dioxide, 5-50 parts of bismuth oxide, 5-40 parts of zinc oxide, 5-40 parts of zirconium dioxide, 10-50 parts of boron oxide and 5-12 parts of composite anti-cracking auxiliary agent, and the preparation method comprises the following steps: s1, weighing the raw materials according to the weight, and putting the raw materials into a mixer for mixing to obtain a uniformly mixed mixture; and S2, adding the mixture into a high-temperature resistance furnace for smelting, after the mixture is completely smelted, extracting with water to obtain glass slag, drying the glass slag, and crushing the glass slag into 40-80 meshes by using a jaw crusher. The invention can reduce the internal stress of the glass powder in the using and curing process, and can improve the water resistance of the glass powder in the using process, thereby preventing the glass powder from swelling or cracking.
Description
Technical Field
The invention relates to the technical field of glass powder preparation, in particular to environment-friendly low-expansion high-covering-power glass powder for an electric appliance.
Background
The glass powder is inorganic amorphous hard superfine particle powder and is white powder in appearance. The glass powder is a scratch-resistant transparent powder, has small particle size, good dispersibility, high transparency and good anti-settling effect, has good affinity and higher steric hindrance capability after surface improvement, can be conveniently dispersed in a coating, can increase the fullness of the coating after film formation, and can be prepared into crystal transparent primer which not only keeps clear transparency, but also provides good scratch resistance.
In daily use, the glass powder is easy to increase the internal stress of a cured product of the glass powder during curing, so that the glass powder has the phenomena of expansion, cracking and the like, and when the glass powder absorbs moisture, the glass powder also increases the volume of the glass powder and generates certain internal stress. Therefore, we propose an environmentally friendly low-expansion high-covering power glass frit for electrical appliances to solve the above problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides the environment-friendly low-expansion high-covering-power glass powder for the electric appliance.
The environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 10-50 parts of silicon dioxide, 5-50 parts of bismuth oxide, 5-40 parts of zinc oxide, 5-40 parts of zirconium dioxide, 10-50 parts of boron oxide and 5-12 parts of a composite anti-cracking auxiliary agent.
Preferably, the silicon dioxide accounts for 10-50%, the bismuth oxide accounts for 5-50%, the zinc oxide accounts for 5-40%, the zirconium dioxide accounts for 5-40%, and the boron oxide accounts for 10-50%.
Preferably, the composite anti-cracking auxiliary agent is prepared by mixing silicon micropowder serving as a raw material, calcium carbonate powder and hydrophobic ion solid serving as additives and a silane coupling agent, wherein the mass ratio of the silicon micropowder to the calcium carbonate powder to the hydrophobic ion solid is 5:3:2, and the addition amount of the silane coupling agent is 1-2% of the total amount of the additives.
Preferably, the hydrophobic ionic solid is 1-amidobutyl-3-ethylimidazole bistrifluoromethylsulfonic acid imine, and the silane coupling agent is any one of KH550, KH560 and KH 570.
Preferably, the preparation method of the hydrophobic ionic solid comprises the following steps: reacting the intermediate [ CH2CONHBuEIM][Cl]Dissolving in distilled water, adding lithium bistrifluoromethylsulfonate with equal molar mass, layering, and washing the lower layer ionic liquid with deionized water to remove chlorineAnd drying the ions at 85 ℃ in a high vacuum state to obtain the 1-amido butyl-3-ethylimidazole bistrifluoromethyl sulfonic acid imine.
Preferably, the preparation method of the composite anti-cracking auxiliary agent comprises the following steps: mixing the silicon micropowder, the calcium carbonate powder and the hydrophobic ion solid, adding a silane coupling agent, mixing and stirring until the silicon micropowder, the calcium carbonate powder and the hydrophobic ion solid are completely fused, and then heating the mixture in water bath at the temperature of 120-150 ℃ for 15-20 min to obtain the composite anti-cracking auxiliary agent.
The preparation method of the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following steps:
s1, weighing the raw materials according to the weight, and putting the raw materials into a mixer for mixing to obtain a uniformly mixed mixture;
s2, adding the mixture into a high-temperature resistance furnace for smelting, after the mixture is completely smelted, extracting with water to obtain glass slag, drying the glass slag, and crushing the glass slag into 40-80 meshes by a jaw crusher;
s3, putting the crushed glass slag into a stirring ball mill for continuous ball milling for 7-10 hours;
s4, grinding the ball-milled glass powder to powder with the particle size of 0.1-10 mu m by using a grinder to obtain the environment-friendly low-expansion high-covering-power glass powder for the electric appliance.
Preferably, the mixing time of the raw materials in the mixer is 40-60 minutes.
Preferably, the smelting temperature of the high-temperature resistance furnace is 1050-1250 ℃, and the smelting time is 60-120 minutes.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the silicon micro powder, the calcium carbonate powder and the hydrophobic ion solid are mixed by the silane coupling agent to prepare the composite anti-cracking auxiliary agent, so that the internal stress of the glass powder can be reduced in the using and curing process, the water-blocking performance of the glass powder can be improved in the using process, and the problem of expansion or cracking can be prevented.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 10-50 parts of silicon dioxide, 5-50 parts of bismuth oxide, 5-40 parts of zinc oxide, 5-40 parts of zirconium dioxide, 10-50 parts of boron oxide and 5-12 parts of a composite anti-cracking auxiliary agent.
Wherein, the proportion of silicon dioxide is 30 percent, the proportion of bismuth oxide is 15 percent, the proportion of zinc oxide is 20 percent, the proportion of zirconium dioxide is 15 percent, and the proportion of boron oxide is 20 percent.
Further, the composite anti-cracking auxiliary agent is prepared by mixing silicon micropowder serving as a raw material, calcium carbonate powder and hydrophobic ion solid serving as additives and a silane coupling agent, wherein the mass ratio of the silicon micropowder to the calcium carbonate powder to the hydrophobic ion solid is 5:3:2, the addition amount of the silane coupling agent is 1% of the total amount of the additives, and the preparation method of the composite anti-cracking auxiliary agent comprises the following steps: mixing the silicon micropowder, the calcium carbonate powder and the hydrophobic ion solid, adding the silane coupling agent, mixing and stirring until the silicon micropowder, the calcium carbonate powder and the hydrophobic ion solid are completely fused, and then heating the mixture in water bath at the temperature of 120 ℃ for 15min to obtain the composite anti-cracking auxiliary agent.
Further, the hydrophobic ionic solid is 1-amido butyl-3-ethylimidazole bistrifluoromethyl sulfonic acid imine, and the silane coupling agent is any one of KH550, KH560 and KH570, preferably KH 550.
The preparation method of the hydrophobic ionic solid comprises the following steps: reacting the intermediate [ CH2CONHBuEIM][Cl]Dissolving the mixture in distilled water, adding lithium bistrifluoromethylsulfonate with equal molar mass into the distilled water, layering, washing lower-layer ionic liquid by deionized water to remove chloride ions, and drying at 85 ℃ in a high vacuum state to obtain the 1-amidobutyl-3-ethylimidazole bistrifluoromethylsulfonate imine.
Wherein the intermediate [ CH2CONHBuEIM][Cl]The synthesis method of (namely 1-amido butyl-3-ethylimidazole chloride salt) comprises the following steps:
dropping M-ethylimidazole into a flask containing slight excess (molar mass ratio of 1.1:1) of butyl amino chloride at 85 ℃, taking acetonitrile as a reaction solvent, and continuing heating and stirring for 24 hours after dropping is finished until the reaction is complete; after the reaction is finished, recrystallizing the product for a plurality of times by using ethyl acetate and acetonitrile solvent (the volume ratio is 1:1), and then drying the crystal for 48 hours under reduced pressure and vacuum at the temperature of 85 ℃ to obtain the 1-amido butyl-3-ethylimidazole chloride salt.
A preparation method of environment-friendly low-expansion high-covering-power glass powder for an electric appliance comprises the following steps:
s1, weighing the raw materials according to the weight, and putting the raw materials into a mixer to mix for 40-60 minutes to obtain a uniformly mixed mixture;
s2, adding the mixture into a high-temperature resistance furnace at 1050-1250 ℃ for smelting for 60-120 minutes, after the mixture is completely smelted, extracting with water to obtain glass slag, drying the glass slag, and crushing the glass slag into 40-80 meshes by a jaw crusher;
s3, putting the crushed glass slag into a stirring ball mill for continuous ball milling for 7-10 hours;
s4, grinding the ball-milled glass powder to powder with the particle size of 0.1-10 mu m by using a grinder to obtain the environment-friendly low-expansion high-covering-power glass powder for the electric appliance.
Example 1:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 10 parts of silicon dioxide, 5 parts of bismuth oxide, 5 parts of zinc oxide, 5 parts of zirconium dioxide, 10 parts of boron oxide and 5 parts of composite anti-cracking assistant.
Example 2:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 30 parts of silicon dioxide, 25 parts of bismuth oxide, 20 parts of zinc oxide, 20 parts of zirconium dioxide, 30 parts of boron oxide and 7 parts of composite anti-cracking assistant.
Example 3:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 50 parts of silicon dioxide, 50 parts of bismuth oxide, 40 parts of zinc oxide, 40 parts of zirconium dioxide, 50 parts of boron oxide and 12 parts of composite anti-cracking assistant.
The glass powder is prepared in the following steps in the embodiments 1 to 3:
s1, weighing the raw materials according to the weight, and putting the raw materials into a mixer to mix for 50 minutes to obtain a uniformly mixed mixture;
s2, adding the mixture into a high-temperature resistance furnace at 1050 ℃ for smelting for 90 minutes, after the mixture is completely smelted, extracting with water to obtain glass slag, drying the glass slag and crushing the glass slag into 60 meshes by a jaw crusher;
s3, putting the crushed glass slag into a stirring ball mill for continuous ball milling for 8 hours;
s4, grinding the ball-milled glass powder to powder with the particle size of 0.1-10 mu m by using a grinder to obtain the environment-friendly low-expansion high-covering-power glass powder for the electric appliance.
Comparative example 1:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 10 parts of silicon dioxide, 5 parts of bismuth oxide, 5 parts of zinc oxide, 5 parts of zirconium dioxide and 10 parts of boron oxide.
Comparative example 2:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 30 parts of silicon dioxide, 25 parts of bismuth oxide, 20 parts of zinc oxide, 20 parts of zirconium dioxide and 30 parts of boron oxide.
Comparative example 3:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 50 parts of silicon dioxide, 50 parts of bismuth oxide, 40 parts of zinc oxide, 40 parts of zirconium dioxide and 50 parts of boron oxide.
In the comparative examples 1 to 3, any composite anti-cracking auxiliary agent was not added, and the glass powder was prepared by the following procedure:
s1, weighing the raw materials according to the weight, and putting the raw materials into a mixer to mix for 50 minutes to obtain a uniformly mixed mixture;
s2, adding the mixture into a high-temperature resistance furnace at 1050 ℃ for smelting for 90 minutes, after the mixture is completely smelted, extracting with water to obtain glass slag, drying the glass slag and crushing the glass slag into 60 meshes by a jaw crusher;
s3, putting the crushed glass slag into a stirring ball mill for continuous ball milling for 8 hours;
s4, grinding the ball-milled glass powder to powder with the particle size of 0.1-10 mu m by using a grinder to obtain the environment-friendly low-expansion high-covering-power glass powder for the electric appliance.
Reference example 1:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 10 parts of silicon dioxide, 5 parts of bismuth oxide, 5 parts of zinc oxide, 5 parts of zirconium dioxide, 10 parts of boron oxide and 5 parts of silicon micropowder.
Reference example 2:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 30 parts of silicon dioxide, 25 parts of bismuth oxide, 20 parts of zinc oxide, 20 parts of zirconium dioxide, 30 parts of boron oxide and 7 parts of silicon micropowder.
Reference example 3:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 50 parts of silicon dioxide, 50 parts of bismuth oxide, 40 parts of zinc oxide, 40 parts of zirconium dioxide, 50 parts of boron oxide and 12 parts of silicon micropowder.
In the reference examples 1 to 3, the silica micro powder is used to replace the composite anti-cracking auxiliary agent, and the glass powder is prepared by the following processes:
s1, weighing the raw materials according to the weight, and putting the raw materials into a mixer to mix for 50 minutes to obtain a uniformly mixed mixture;
s2, adding the mixture into a high-temperature resistance furnace at 1050 ℃ for smelting for 90 minutes, after the mixture is completely smelted, extracting with water to obtain glass slag, drying the glass slag and crushing the glass slag into 60 meshes by a jaw crusher;
s3, putting the crushed glass slag into a stirring ball mill for continuous ball milling for 8 hours;
s4, grinding the ball-milled glass powder to powder with the particle size of 0.1-10 mu m by using a grinder to obtain the environment-friendly low-expansion high-covering-power glass powder for the electric appliance.
Reference example 4:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 10 parts of silicon dioxide, 5 parts of bismuth oxide, 5 parts of zinc oxide, 5 parts of zirconium dioxide, 10 parts of boron oxide and 5 parts of composite anti-cracking assistant.
Reference example 5:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 30 parts of silicon dioxide, 25 parts of bismuth oxide, 20 parts of zinc oxide, 20 parts of zirconium dioxide, 30 parts of boron oxide and 7 parts of composite anti-cracking assistant.
Reference example 6:
the environment-friendly low-expansion high-covering-power glass powder for the electric appliance comprises the following raw materials in parts by weight: 50 parts of silicon dioxide, 50 parts of bismuth oxide, 40 parts of zinc oxide, 40 parts of zirconium dioxide, 50 parts of boron oxide and 12 parts of composite anti-cracking assistant.
In reference examples 4 to 6, only the hydrophobic ion solid is not added to the composite anti-cracking auxiliary agent, and the glass powder is prepared by the following processes:
s1, weighing the raw materials according to the weight, and putting the raw materials into a mixer to mix for 50 minutes to obtain a uniformly mixed mixture;
s2, adding the mixture into a high-temperature resistance furnace at 1050 ℃ for smelting for 90 minutes, after the mixture is completely smelted, extracting with water to obtain glass slag, drying the glass slag and crushing the glass slag into 60 meshes by a jaw crusher;
s3, putting the crushed glass slag into a stirring ball mill for continuous ball milling for 8 hours;
s4, grinding the ball-milled glass powder to powder with the particle size of 0.1-10 mu m by using a grinder to obtain the environment-friendly low-expansion high-covering-power glass powder for the electric appliance.
The glass powders of examples 1 to 3, comparative examples 1 to 3 and reference examples 1 to 6 were used, and the following expansion ratios were measured:
preparation of samples: in order to ensure the accuracy of experimental results and the requirements of experimental instruments, a stainless steel hollow cylindrical mold with the diameter of 6mm and the height of 30mm is used for filling the mold with dry glass powder, the mold is placed into a 600 ℃ high-temperature furnace, the heat preservation time is 1h, the high-temperature furnace is closed, the mold is cooled and retreated along with the furnace, a cylindrical glass block is taken out, and the glass cylinder with the diameter of 6mm and the height of 25mm is polished.
Secondly, placing the sample in a high-temperature horizontal expansion instrument (produced by Hunan Tan Hunan instruments Co., Ltd.), testing the linear expansion coefficient of the sample by a thermal mechanical analysis technology, wherein the testing range is room temperature (namely 25 ℃) to 300 ℃, the heating rate is 5 ℃/min, the temperature interval is 15 ℃, recording the linear expansion coefficient of the sample at the temperature (shown in the table below), and calculating the average linear expansion coefficient (unit: 1/° C) of the sample at the room temperature to 300 ℃:
from the experimental data in the table above, it can be seen that:
firstly, the glass powder in the embodiment 1-3 is added with the composite anti-cracking auxiliary agent in the formula, so that the linear expansion coefficient of the glass powder is kept stable and approaches to 0/DEG C;
secondly, in the glass powder in the comparative examples 1-3, no composite anti-cracking auxiliary agent is added in the formula, so that the linear expansion coefficient of the glass powder tends to rise linearly;
thirdly, only silicon micro powder is added into the formula of the glass powder in reference examples 1 to 3 to serve as an anti-cracking agent, so that the linear expansion coefficient of the glass powder begins to gradually rise in a later high-temperature environment; in the glass powder in reference examples 4 to 6, only the hydrophobic ionic solid is not added to the composite anti-cracking assistant in the formula, so that the linear expansion coefficient of the glass powder starts to gradually increase in the later high-temperature environment, but the increase tendency of the linear expansion coefficient of the glass powder in reference examples 4 to 6 is lower compared with that in reference examples 1 to 3.
In conclusion, the low expansion performance of the glass powder can be improved by adding a proper amount of the silica powder into the raw materials, and after a proper amount of the inorganic powder filler (namely calcium carbonate powder) and the hydrophobic ion solid are continuously added into the silica powder, the low expansion capacity of the glass powder can be more remarkably ensured, and the problem of expansion or cracking of the glass powder can be effectively prevented.
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 (9)
1. The environment-friendly low-expansion high-covering-power glass powder for the electric appliance is characterized by comprising the following raw materials in parts by weight: 10-50 parts of silicon dioxide, 5-50 parts of bismuth oxide, 5-40 parts of zinc oxide, 5-40 parts of zirconium dioxide, 10-50 parts of boron oxide and 5-12 parts of a composite anti-cracking auxiliary agent.
2. The environment-friendly low-expansion high-covering-power glass powder for the electric appliance as claimed in claim 1, wherein the silicon dioxide accounts for 10-50%, the bismuth oxide accounts for 5-50%, the zinc oxide accounts for 5-40%, the zirconium dioxide accounts for 5-40%, and the boron oxide accounts for 10-50%.
3. The environment-friendly low-expansion high-covering-power glass powder for the electric appliance as claimed in claim 1, wherein the composite anti-cracking auxiliary agent is prepared by mixing silicon micropowder serving as a raw material, calcium carbonate powder and hydrophobic ion solid serving as additives and a silane coupling agent as an auxiliary material, wherein the mass ratio of the silicon micropowder to the calcium carbonate powder to the hydrophobic ion solid is 5:3:2, and the addition amount of the silane coupling agent is 1-2% of the total amount of the additives.
4. The environment-friendly low-expansion high-covering-power glass powder for the electric appliances as claimed in claim 3, wherein the hydrophobic ionic solid is 1-amidobutyl-3-ethylimidazole bistrifluoromethylsulfonic acid imine, and the silane coupling agent is any one of KH550, KH560 and KH 570.
5. The environment-friendly low-expansion high-covering-power glass powder for the electric appliance as claimed in claim 4, wherein the preparation method of the hydrophobic ionic solid is as follows: reacting the intermediate [ CH2CONHBuEIM][Cl]Dissolving in distilled water, and adding equimolar bis-trisLayering the fluoromethyl imine sulfonic acid lithium, washing the lower layer ionic liquid with deionized water to remove chloride ions, and drying at 85 ℃ in a high vacuum state to obtain the 1-amido butyl-3-ethylimidazole bistrifluoromethyl imine sulfonic acid.
6. The environment-friendly low-expansion high-covering-power glass powder for the electric appliance according to claim 3, wherein the preparation method of the composite anti-crack auxiliary agent comprises the following steps: mixing the silicon micropowder, the calcium carbonate powder and the hydrophobic ion solid, adding a silane coupling agent, mixing and stirring until the silicon micropowder, the calcium carbonate powder and the hydrophobic ion solid are completely fused, and then heating the mixture in water bath at the temperature of 120-150 ℃ for 15-20 min to obtain the composite anti-cracking auxiliary agent.
7. The method for preparing the glass powder for the environment-friendly low-expansion high-covering power electric appliance as claimed in claim 1, which comprises the following steps:
s1, weighing the raw materials according to the weight, and putting the raw materials into a mixer for mixing to obtain a uniformly mixed mixture;
s2, adding the mixture into a high-temperature resistance furnace for smelting, after the mixture is completely smelted, extracting with water to obtain glass slag, drying the glass slag, and crushing the glass slag into 40-80 meshes by a jaw crusher;
s3, putting the crushed glass slag into a stirring ball mill for continuous ball milling for 7-10 hours;
s4, grinding the ball-milled glass powder to powder with the particle size of 0.1-10 mu m by using a grinder to obtain the environment-friendly low-expansion high-covering-power glass powder for the electric appliance.
8. The method for preparing the environment-friendly low-expansion high-covering-power glass powder for the electric appliance according to claim 7, wherein the mixing time of the raw materials in the mixer is 40-60 minutes.
9. The method for preparing the environment-friendly low-expansion high-covering-power glass powder for the electric appliance according to claim 7, wherein the melting temperature of the high-temperature resistance furnace is 1050-1250 ℃, and the melting time is 60-120 minutes.
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| CN202110373744.8A CN113087399A (en) | 2021-04-07 | 2021-04-07 | Environment-friendly low-expansion high-covering-power glass powder for electrical appliance |
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| WO2009128527A1 (en) * | 2008-04-18 | 2009-10-22 | 日本電気硝子株式会社 | Glass composition for dye-sensitized solar cell and material for dye-sensitized solar cell |
| CN106396409A (en) * | 2015-07-27 | 2017-02-15 | 电子科技大学中山学院 | Low-temperature lead-free glass binder for electronic paste and preparation method thereof |
| CN109867449A (en) * | 2019-04-23 | 2019-06-11 | 郑州知淘信息科技有限责任公司 | A kind of automobile glass printing ink lead-free glass powder with low melting point and preparation method thereof |
| CN110790511A (en) * | 2019-11-12 | 2020-02-14 | 黄山市晶特美新材料有限公司 | Low-temperature environment-friendly black glass slurry with high optical density and preparation method thereof |
| CN112573829A (en) * | 2020-12-15 | 2021-03-30 | 黄山市晶特美新材料有限公司 | Glass slurry for automobile press-formed front windshield and preparation method thereof |
-
2021
- 2021-04-07 CN CN202110373744.8A patent/CN113087399A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009128527A1 (en) * | 2008-04-18 | 2009-10-22 | 日本電気硝子株式会社 | Glass composition for dye-sensitized solar cell and material for dye-sensitized solar cell |
| CN106396409A (en) * | 2015-07-27 | 2017-02-15 | 电子科技大学中山学院 | Low-temperature lead-free glass binder for electronic paste and preparation method thereof |
| CN109867449A (en) * | 2019-04-23 | 2019-06-11 | 郑州知淘信息科技有限责任公司 | A kind of automobile glass printing ink lead-free glass powder with low melting point and preparation method thereof |
| CN110790511A (en) * | 2019-11-12 | 2020-02-14 | 黄山市晶特美新材料有限公司 | Low-temperature environment-friendly black glass slurry with high optical density and preparation method thereof |
| CN112573829A (en) * | 2020-12-15 | 2021-03-30 | 黄山市晶特美新材料有限公司 | Glass slurry for automobile press-formed front windshield and preparation method thereof |
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