CN110746100A - Method for manufacturing high-strength toughened glass - Google Patents
Method for manufacturing high-strength toughened glass Download PDFInfo
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- CN110746100A CN110746100A CN201810811063.3A CN201810811063A CN110746100A CN 110746100 A CN110746100 A CN 110746100A CN 201810811063 A CN201810811063 A CN 201810811063A CN 110746100 A CN110746100 A CN 110746100A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
- C03B25/02—Annealing glass products in a discontinuous way
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/006—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character
- C03C17/008—Surface treatment of glass, not in the form of fibres or filaments, by coating with materials of composite character comprising a mixture of materials covered by two or more of the groups C03C17/02, C03C17/06, C03C17/22 and C03C17/28
- C03C17/009—Mixtures of organic and inorganic materials, e.g. ormosils and ormocers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a method for manufacturing high-strength toughened glass, which comprises the following steps: (1) feeding the glass into a tempering furnace, and preserving the heat for 20-30min at 550-580 ℃; (2) reducing the temperature in the step (1) to 450-480 ℃, and preserving the heat for 8-12 min; (3) raising the temperature in the step (2) to 650-680 ℃ again and preserving the heat for 3-5 min; (4) reducing the temperature of the step (3) to 250-280 ℃ again and preserving the heat for 8-15 min; (5) taking the glass in the step (4) out of the toughening furnace, coating a protective film on the surface of the glass, and putting the glass into potassium nitrate molten salt to react for 30-40min after the coating is finished; (6) and (4) washing the glass in the step (5) by using hot water with the temperature of 85-90 ℃ to obtain the glass. The invention has the characteristics of high production yield, high efficiency and low production cost.
Description
Technical Field
The invention relates to the field of glass processing, in particular to a method for manufacturing high-strength toughened glass.
Technical Field
The toughened glass has the advantages of high mechanical strength, excellent temperature shock resistance, good safety and the like, so that the toughened glass is widely applied. In the existing toughened glass production process, air is often used as a cooling medium for final cooling to chill high-temperature glass in a short time so as to finish the toughening process. In order to ensure that the toughened glass is chilled in a short time, the air output and the air pressure of the toughened glass have high requirements, and high-power equipment is required for blowing air; the process not only has high energy consumption, but also has lower efficiency, thereby increasing the production cost.
The invention content is as follows:
the invention aims to provide a method for manufacturing high-strength toughened glass. The invention has the characteristics of high production yield, high efficiency and low production cost.
In order to solve the technical problems, the invention adopts the following technical scheme: a method for manufacturing high-strength toughened glass comprises the following steps:
(1) feeding the glass into a tempering furnace, and preserving the heat for 20-30min at 550-580 ℃;
(2) reducing the temperature in the step (1) to 450-480 ℃, and preserving the heat for 8-12 min;
(3) raising the temperature in the step (2) to 650-680 ℃ again and preserving the heat for 3-5 min;
(4) reducing the temperature of the step (3) to 250-280 ℃ again and preserving the heat for 8-15 min;
(5) taking the glass in the step (4) out of the toughening furnace, coating a protective film on the surface of the glass, and putting the glass into potassium nitrate molten salt to react for 30-40min after the coating is finished;
(6) and (4) washing the glass in the step (5) by using hot water with the temperature of 85-90 ℃ to obtain the glass.
In the method for manufacturing the high-strength toughened glass, the protective film in the step (5) is prepared from the following raw materials,
5-8 parts of dicumyl peroxide, 40-45 parts of silicon dioxide,
12-18 parts of bisphenol A type epoxy resin, 4-7 parts of zinc oxide,
18-25 parts of polyethylacrylate, 40-55 parts of ethanol,
100 portions and 120 portions of distilled water.
In the method for manufacturing the high-strength toughened glass, the protective film in the step (5) is prepared from the following raw materials,
6.5 to 7.5 portions of dicumyl peroxide, 41 to 44 portions of silicon dioxide,
13-16 parts of bisphenol A type epoxy resin, 4.5-6.5 parts of zinc oxide,
20-24 parts of polyethylacrylate, 42-52 parts of ethanol,
115 portions of distilled water 105.
In the method for manufacturing the high-strength toughened glass, the protective film in the step (5) is prepared from the following raw materials,
7 parts of dicumyl peroxide, 43 parts of silicon dioxide,
14 parts of bisphenol A type epoxy resin, 5 parts of zinc oxide,
22 parts of polyethylacrylate, 48 parts of ethanol,
And 110 parts of distilled water.
Compared with the prior art, the production of the toughened glass adopts a sectional type temperature treatment process of firstly raising, then lowering, and then raising and then lowering, so that the stress distribution of the glass can be adjusted, the stress distribution is more uniform, and the structural strength of the glass is effectively enhanced while the flatness of the toughened glass is ensured. The protective film coated on the surface of the glass enhances the hardness of the surface of the toughened glass, prevents the toughened glass from being scratched when in use, improves the quality of the toughened glass, and effectively prevents the glass from self-explosion during production by putting the glass into potassium nitrate molten salt and hot water for layered cooling and finally natural cooling, improves the production yield and production efficiency, simultaneously cancels high-power equipment for air-blowing cooling, reduces energy consumption and reduces production cost.
The specific implementation mode is as follows:
example 1: a method for manufacturing high-strength toughened glass comprises the following steps:
(1) feeding the glass into a tempering furnace, and preserving the heat for 20-30min at 550-580 ℃;
(2) reducing the temperature in the step (1) to 450-480 ℃, and preserving the heat for 8-12 min;
(3) raising the temperature in the step (2) to 650-680 ℃ again and preserving the heat for 3-5 min;
(4) reducing the temperature of the step (3) to 250-280 ℃ again and preserving the heat for 8-15 min;
(5) taking the glass in the step (4) out of the toughening furnace, coating a protective film on the surface of the glass, and putting the glass into potassium nitrate molten salt to react for 30-40min after the coating is finished;
(6) and (4) washing the glass in the step (5) by using hot water with the temperature of 85-90 ℃ to obtain the glass.
The protective film of the aforementioned step (5) is prepared from the following raw materials,
5-8g of dicumyl peroxide, 40-45g of silicon dioxide,
12-18g of bisphenol A type epoxy resin, 4-7g of zinc oxide,
18-25g of polyethylacrylate, 40-55g of ethanol,
100-120g of distilled water.
Preferably, the protective film of the aforementioned step (5) is made of a raw material,
6.5-7.5g of dicumyl peroxide, 41-44g of silicon dioxide,
13-16g of bisphenol A type epoxy resin, 4.5-6.5g of zinc oxide,
20-24g of polyethylacrylate, 42-52g of ethanol,
115g of distilled water 105.
More preferably, the protective film of the aforementioned step (5) is made from the following raw materials,
7g of dicumyl peroxide, 43g of silicon dioxide,
14g of bisphenol A type epoxy resin, 5g of zinc oxide,
22g of polyethylacrylate, 48g of ethanol,
And 110 parts of distilled water.
Claims (4)
1. A method for manufacturing high-strength toughened glass is characterized by comprising the following steps: the method comprises the following steps:
(1) feeding the glass into a tempering furnace, and preserving the heat for 20-30min at 550-580 ℃;
(2) reducing the temperature in the step (1) to 450-480 ℃, and preserving the heat for 8-12 min;
(3) raising the temperature in the step (2) to 650-680 ℃ again and preserving the heat for 3-5 min;
(4) reducing the temperature of the step (3) to 250-280 ℃ again and preserving the heat for 8-15 min;
(5) taking the glass in the step (4) out of the toughening furnace, coating a protective film on the surface of the glass, and putting the glass into potassium nitrate molten salt to react for 30-40min after the coating is finished;
(6) and (4) washing the glass in the step (5) by using hot water with the temperature of 85-90 ℃ to obtain the glass.
2. The method for manufacturing a high-strength tempered glass according to claim 1, wherein: the protective film of the step (5) is prepared from the following raw materials,
5-8 parts of dicumyl peroxide, 40-45 parts of silicon dioxide,
12-18 parts of bisphenol A type epoxy resin, 4-7 parts of zinc oxide,
18-25 parts of polyethylacrylate, 40-55 parts of ethanol,
100 portions and 120 portions of distilled water.
3. The method for manufacturing a high-strength tempered glass according to claim 2, wherein: the protective film of the step (5) is prepared from the following raw materials,
6.5 to 7.5 portions of dicumyl peroxide, 41 to 44 portions of silicon dioxide,
13-16 parts of bisphenol A type epoxy resin, 4.5-6.5 parts of zinc oxide,
20-24 parts of polyethylacrylate, 42-52 parts of ethanol,
115 portions of distilled water 105.
4. The method for manufacturing a high-strength tempered glass according to claim 3, wherein: the protective film of the step (5) is prepared from the following raw materials,
7 parts of dicumyl peroxide, 43 parts of silicon dioxide,
14 parts of bisphenol A type epoxy resin, 5 parts of zinc oxide,
22 parts of polyethylacrylate, 48 parts of ethanol,
And 110 parts of distilled water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810811063.3A CN110746100A (en) | 2018-07-23 | 2018-07-23 | Method for manufacturing high-strength toughened glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810811063.3A CN110746100A (en) | 2018-07-23 | 2018-07-23 | Method for manufacturing high-strength toughened glass |
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| Publication Number | Publication Date |
|---|---|
| CN110746100A true CN110746100A (en) | 2020-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810811063.3A Pending CN110746100A (en) | 2018-07-23 | 2018-07-23 | Method for manufacturing high-strength toughened glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112608026A (en) * | 2020-12-17 | 2021-04-06 | 澧县澧水明珠钢化玻璃有限公司 | High-strength toughened glass and processing method thereof |
-
2018
- 2018-07-23 CN CN201810811063.3A patent/CN110746100A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112608026A (en) * | 2020-12-17 | 2021-04-06 | 澧县澧水明珠钢化玻璃有限公司 | High-strength toughened glass and processing method thereof |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200204 |