CN113276507A - Self-explosion-proof toughened glass and preparation process thereof - Google Patents
Self-explosion-proof toughened glass and preparation process thereof Download PDFInfo
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- CN113276507A CN113276507A CN202110636894.3A CN202110636894A CN113276507A CN 113276507 A CN113276507 A CN 113276507A CN 202110636894 A CN202110636894 A CN 202110636894A CN 113276507 A CN113276507 A CN 113276507A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10816—Making laminated safety glass or glazing; Apparatus therefor by pressing
- B32B17/10871—Making laminated safety glass or glazing; Apparatus therefor by pressing in combination with particular heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/10899—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin
- B32B17/10935—Making laminated safety glass or glazing; Apparatus therefor by introducing interlayers of synthetic resin as a preformed layer, e.g. formed by extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10807—Making laminated safety glass or glazing; Apparatus therefor
- B32B17/1099—After-treatment of the layered product, e.g. cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
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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
- C03B9/00—Blowing glass; Production of hollow glass articles
-
- 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
-
- 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
- C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
-
- 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
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Fluid Mechanics (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses self-explosion-proof toughened glass and a preparation process thereof, wherein the toughened glass comprises three glass original sheets, a PVB (polyvinyl butyral) adhesive layer is clamped between every two adjacent glass original sheets, and the glass original sheets are prepared from the following raw materials: the toughened glass takes 11.6 to 13.6 percent of dolomite, 61.5 to 63.5 percent of quartz sand, 13.6 to 15.6 percent of soda ash and 7.3 to 9.3 percent of limestone as main raw materials and takes 2480.3 percent of mirabilite, 1.6 percent of feldspar and 0.017 percent of carbon powder as auxiliary materials.
Description
Technical Field
The invention relates to the field of toughened glass preparation, in particular to self-explosion-proof toughened glass and a preparation process thereof.
Background
Glass is an amorphous inorganic non-metallic material, and is generally prepared by using various inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash and the like) as main raw materials and adding a small amount of auxiliary raw materials. Its main components are silicon dioxide and other oxides. The chemical composition of the common glass is Na2SiO3, CaSiO3, SiO2 or Na 2O. CaO.6SiO 2, and the like, and the main component is a silicate double salt which is an amorphous solid with a random structure. The light-transmitting composite material is widely applied to buildings, is used for isolating wind and transmitting light, and belongs to a mixture.
The toughened glass is one kind of glass, belongs to safety glass, is actually prestressed glass, and in order to improve the strength of the glass, a chemical or physical method is usually used to form compressive stress on the surface of the glass, and the glass firstly counteracts surface stress when bearing external force, so that the bearing capacity is improved, and the wind pressure resistance, the cold and hot property, the impact property and the like of the glass are enhanced. The bearing capacity is increased, the brittleness is improved, small fragments without acute angles are formed even if toughened glass is damaged, and the harm to human bodies is greatly reduced. Compared with common glass, the rapid cooling and heating resistance of the toughened glass is improved by 3-5 times, can bear the temperature difference change of more than 250 ℃ generally, and has obvious effect on preventing thermal explosion.
The self-explosion of the toughened glass refers to the phenomenon that the toughened glass is broken under the condition of no direct external force. The existing toughened glass is easy to generate self-explosion due to uneven surface stress or uneven cooling during installation, and certain risks are caused to daily use and personal safety, so that the self-explosion-proof toughened glass and the preparation process thereof need to be provided.
Disclosure of Invention
The invention aims to provide self-explosion-proof toughened glass and a preparation process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the self-explosion-proof toughened glass comprises three original glass sheets, wherein a PVB (polyvinyl butyral) adhesive layer is clamped between every two adjacent original glass sheets, and the original glass sheets are prepared from the following raw materials: 11.6 to 13.6 percent of dolomite, 61.5 to 63.5 percent of quartz sand, 13.6 to 15.6 percent of soda ash and 7.3 to 9.3 percent of limestone are used as main raw materials, and 2480.3 percent of mirabilite, 1.6 percent of feldspar and 0.017 percent of carbon powder are used as auxiliary materials.
Preferably, the formula proportion 1 of the raw glass sheet is as follows:
preferably, the formula ratio 2 of the raw glass sheet is as follows:
preferably, the formula ratio 3 of the raw glass sheet is as follows:
preferably, the method comprises the following steps of producing the glass original sheet and processing the toughened glass:
the production steps of the glass sheet are as follows:
s1: crushing raw materials, namely putting blocky dolomite, quartz sand, feldspar and limestone into a crusher for crushing, and screening to obtain a powdery material;
s2: blending raw materials, namely mixing and stirring sodium carbonate, mirabilite and carbon powder and the powdery material obtained in the step S1 according to the part ratio, wherein the stirring speed is 50-70 r/min, and the stirring time is controlled to be 40-60 min;
s3: melting, namely putting the prepared glass raw material into a crucible kiln for high-temperature heating, wherein the temperature in the crucible kiln needs to be controlled at 1550-;
s4: molding, namely using a blowing machine to make liquid glass into a product by mechanical drawing attraction to obtain a glass sheet;
the toughened glass treatment step comprises:
the method comprises the following steps: glass sheet processing: carrying out surface treatment on a glass sheet by processing technologies such as grinding, polishing, edging, sand blasting, turning and the like;
step two: performing dielectric opening and edging, namely opening the processed glass sheet, opening the glass by using a dielectric opening broach or a glass cutter, controlling the size error range to be generally plus or minus 0.5mm, and edging the glass by using a linear edging machine after opening the dielectric;
step three: heat treatment, namely placing the glass sheet obtained in the step two into a tempering furnace, heating to 700 ℃, and then rapidly blowing and cooling to change the molecular structure of the glass, so that the surface of the glass forms compressive stress, and the strength of the glass structure is enhanced;
step four: combining, namely placing one piece of annealed glass subjected to heat treatment on a PVB film, placing the other piece of annealed glass on the PVB film, repeating the operation until the three pieces of annealed glass and the two PVB films are completely superposed, and combining the three pieces of annealed glass and the two PVB films by using a hot press to obtain the explosion-proof toughened glass;
step five: and (4) hot dipping treatment, namely cooling the explosion-proof toughened glass obtained in the step four, heating to 290 +/-10 ℃, adding nickel sulfide, keeping the temperature for a certain time, taking out, cleaning and cooling.
Preferably, after the fifth step is finished, an explosion-proof membrane can be covered on the surface of the formed toughened glass through a hot press. And further has the explosion-proof function.
Preferably, the explosion-proof membrane is made of a scratch-proof layer, a polycarbonate plate, a BOPP thin film and a release material layer.
Preferably, in the fifth step, the heating can promote nickel sulfide to rapidly complete crystal phase transformation in the tempered glass, so that the tempered glass which is likely to undergo spontaneous explosion after being used is artificially broken in advance in a hot dipping furnace of a factory, thereby reducing the spontaneous explosion probability of the tempered glass during use after installation.
The invention has the technical effects and advantages that: the invention relates to self-explosion-proof toughened glass and a preparation process thereof, wherein three glass sheets and two layers of PVB films are arranged as the main structures of the toughened glass, so that the structure is more stable, the strength of the toughened glass is improved, and the heat treatment and hot dipping treatment procedures are added in the process, so that the crystal structure of the toughened glass can be changed to a greater extent by matching the three glass sheets and the two processes, the strength of the toughened glass is further improved, and the self-explosion probability of the glass is effectively reduced.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides self-explosion-proof toughened glass and a preparation process thereof, and the self-explosion-proof toughened glass comprises three glass original sheets, wherein a PVB (polyvinyl butyral) adhesive layer is clamped between every two adjacent glass original sheets, and the glass original sheets are prepared from the following raw materials: 11.6 to 13.6 percent of dolomite, 61.5 to 63.5 percent of quartz sand, 13.6 to 15.6 percent of soda ash and 7.3 to 9.3 percent of limestone are used as main raw materials, and 2480.3 percent of mirabilite, 1.6 percent of feldspar and 0.017 percent of carbon powder are used as auxiliary materials.
In the first embodiment, the formula proportion 1 of the raw glass sheet is as follows:
in the second embodiment, the formula ratio 2 of the raw glass sheet is as follows:
in the third embodiment, the formula ratio 3 of the raw glass sheet is as follows:
the fourth embodiment comprises the following steps of producing glass sheets and processing toughened glass:
the glass original sheet production step is S1: crushing raw materials, namely putting blocky dolomite, quartz sand, feldspar and limestone into a crusher for crushing, and screening to obtain a powdery material; s2: blending raw materials, namely mixing and stirring sodium carbonate, mirabilite and carbon powder and the powdery material obtained in the step S1 according to the part ratio, wherein the stirring speed is 50-70 r/min, and the stirring time is controlled to be 40-60 min; s3: melting, namely putting the prepared glass raw material into a crucible kiln for high-temperature heating, wherein the temperature in the crucible kiln needs to be controlled at 1550-; s4: molding, namely using a blowing machine to make liquid glass into a product by mechanical drawing attraction to obtain a glass sheet;
the toughened glass treatment step comprises: the method comprises the following steps: glass sheet processing: carrying out surface treatment on a glass sheet by processing technologies such as grinding, polishing, edging, sand blasting, turning and the like; step two: performing dielectric opening and edging, namely opening the processed glass sheet, opening the glass by using a dielectric opening broach or a glass cutter, controlling the size error range to be generally plus or minus 0.5mm, and edging the glass by using a linear edging machine after opening the dielectric; step three: heat treatment, namely placing the glass sheet obtained in the step two into a tempering furnace, heating to 700 ℃, and then rapidly blowing and cooling to change the molecular structure of the glass, so that the surface of the glass forms compressive stress, and the strength of the glass structure is enhanced; step four: combining, namely placing one piece of annealed glass subjected to heat treatment on a PVB film, placing the other piece of annealed glass on the PVB film, repeating the operation until the three pieces of annealed glass and the two PVB films are completely superposed, and combining the three pieces of annealed glass and the two PVB films by using a hot press to obtain the explosion-proof toughened glass; step five: and (4) hot dipping treatment, namely cooling the explosion-proof toughened glass obtained in the step four, heating to 290 +/-10 ℃, adding nickel sulfide, keeping the temperature for a certain time, taking out, cleaning and cooling.
And in the fifth embodiment, after the fifth step is finished, an explosion-proof membrane can be covered on the surface of the formed toughened glass through a hot press. And in the fifth step, the nickel sulfide can be promoted to rapidly complete crystal phase transformation in the toughened glass by heating, and the toughened glass which is probably self-exploded after being originally used is artificially broken in a hot dipping furnace of a factory in advance, so that the self-explosion probability of the toughened glass in use after installation is reduced.
In summary, according to the self-explosion-proof toughened glass and the preparation process thereof provided by the invention, the three glass sheets and the two layers of PVB films are arranged as the main structures of the toughened glass, so that the structure of the toughened glass is more stable, the strength of the toughened glass is improved, and the heat treatment and hot dipping treatment procedures are added in the process, so that the crystal structure of the toughened glass can be changed to a greater extent by matching the three glass sheets and the two processes, the strength of the toughened glass is further improved, and the probability of the self-explosion of the glass is effectively reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
The standard parts used by the invention can be purchased from the market, and the special-shaped parts can be customized according to the description of the specification.
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 spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The self-explosion-proof toughened glass and the preparation process thereof are characterized in that the toughened glass comprises three original glass sheets, a PVB (polyvinyl butyral) adhesive layer is clamped between every two adjacent original glass sheets, and the original glass sheets are prepared from the following raw materials: 11.6 to 13.6 percent of dolomite, 61.5 to 63.5 percent of quartz sand, 13.6 to 15.6 percent of soda ash and 7.3 to 9.3 percent of limestone are used as main raw materials, and 2480.3 percent of mirabilite, 1.6 percent of feldspar and 0.017 percent of carbon powder are used as auxiliary materials.
5. the process for preparing the self-explosion-proof toughened glass according to claim 1, which comprises the following steps of producing a glass original sheet and processing the toughened glass:
the production steps of the glass sheet are as follows:
s1: crushing raw materials, namely putting blocky dolomite, quartz sand, feldspar and limestone into a crusher for crushing, and screening to obtain a powdery material;
s2: blending raw materials, namely mixing and stirring sodium carbonate, mirabilite and carbon powder and the powdery material obtained in the step S1 according to the part ratio, wherein the stirring speed is 50-70 r/min, and the stirring time is controlled to be 40-60 min;
s3: melting, namely putting the prepared glass raw material into a crucible kiln for high-temperature heating, wherein the temperature in the crucible kiln needs to be controlled at 1550-;
s4: molding, namely using a blowing machine to make liquid glass into a product by mechanical drawing attraction to obtain a glass sheet;
the toughened glass treatment step comprises:
the method comprises the following steps: glass sheet processing: carrying out surface treatment on a glass sheet by processing technologies such as grinding, polishing, edging, sand blasting, turning and the like;
step two: performing dielectric opening and edging, namely opening the processed glass sheet, opening the glass by using a dielectric opening broach or a glass cutter, controlling the size error range to be generally plus or minus 0.5mm, and edging the glass by using a linear edging machine after opening the dielectric;
step three: heat treatment, namely placing the glass sheet obtained in the step two into a tempering furnace, heating to 700 ℃, and then rapidly blowing and cooling to change the molecular structure of the glass, so that the surface of the glass forms compressive stress, and the strength of the glass structure is enhanced;
step four: combining, namely placing one piece of annealed glass subjected to heat treatment on a PVB film, placing the other piece of annealed glass on the PVB film, repeating the operation until the three pieces of annealed glass and the two PVB films are completely superposed, and combining the three pieces of annealed glass and the two PVB films by using a hot press to obtain the explosion-proof toughened glass;
step five: and (4) hot dipping treatment, namely cooling the explosion-proof toughened glass obtained in the step four, heating to 290 +/-10 ℃, adding nickel sulfide, keeping the temperature for a certain time, taking out, cleaning and cooling.
6. The self-explosion-proof tempered glass and the preparation process thereof as claimed in claim 5, wherein after the fifth step is completed, an explosion-proof film can be coated on the surface of the formed tempered glass through a hot press. And further has the explosion-proof function.
7. The self-explosion-proof tempered glass and the preparation process thereof as claimed in claim 6, wherein the explosion-proof film is made of a scratch-proof layer, a polycarbonate sheet, a BOPP film and a release material layer.
8. The self-explosion-proof tempered glass and the preparation process thereof as claimed in claim 5, wherein in the fifth step, the heating can promote nickel sulfide to rapidly complete the crystal phase transformation in the tempered glass, so that the tempered glass which is not likely to self-explode after being used is artificially broken in advance in a hot dipping furnace of a factory, thereby reducing the self-explosion probability of the tempered glass in use after installation.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114195384A (en) * | 2021-11-22 | 2022-03-18 | 苏州沅德精密技术有限公司 | Integrated composite forming processing technology of electronic smoke pipe |
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2021
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Non-Patent Citations (2)
Title |
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中国南玻集团工程玻璃事业部编著: "《建筑玻璃加工技术 安全玻璃加工技术》", 31 March 2010, 华南理工大学出版社 * |
江谷: "《软包装材料及复合技术》", 31 January 2008, 印刷工业出版社 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114195384A (en) * | 2021-11-22 | 2022-03-18 | 苏州沅德精密技术有限公司 | Integrated composite forming processing technology of electronic smoke pipe |
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Application publication date: 20210820 |