CN110590140A - Processing method of toughened glass plate - Google Patents
Processing method of toughened glass plate Download PDFInfo
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- CN110590140A CN110590140A CN201910861034.2A CN201910861034A CN110590140A CN 110590140 A CN110590140 A CN 110590140A CN 201910861034 A CN201910861034 A CN 201910861034A CN 110590140 A CN110590140 A CN 110590140A
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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
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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
- C03B27/02—Tempering or quenching glass products using liquid
- C03B27/03—Tempering or quenching glass products using liquid the liquid being a molten metal or a molten salt
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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
- C03B27/04—Tempering or quenching glass products using gas
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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
- 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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Abstract
The invention discloses a processing method of a toughened glass plate, which comprises the following steps: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication; preparing molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 200 ℃ to 400 ℃; a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure; putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking; putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished; the laminated glass is put into a tempering furnace for third heating, and air blowing cooling is carried out after heating is finished, so that the heat resistance and the mechanical strength of the tempered glass plate are greatly improved.
Description
Technical Field
The invention relates to the field of glass processing, in particular to a processing method of a toughened glass plate.
Background
The toughened glass is glass with compressive stress on the surface, and belongs to safety glass. Usually, a chemical or physical method is used, and a compressive stress is formed on the surface of the glass, and a tensile stress is formed inside the glass, 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 toughened glass is made up by cutting ordinary annealed glass into required size, heating to 700 deg.C close to softening point, and quickly and uniformly cooling, and features uniform compression stress on surface and tensile stress in interior, resulting in higher bending and impact strength (four times higher than ordinary annealed glass). The toughened glass which is well toughened can not be cut, ground and the like or damaged, otherwise the toughened glass can be crushed into bone due to the damage of the uniform pressure stress balance.
The heat resistance and the mechanical strength of the existing toughened glass are still to be improved after the production, so the invention provides a processing method of a toughened glass plate.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a method for processing a tempered glass plate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a processing method of a tempered glass plate comprises the following steps:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 200 ℃ to 400 ℃;
s3: laminating glass and a PVB film, namely clamping a layer of PVB film between two layers of glass, and laminating the two layers of glass at high temperature and high pressure;
s4: first heating, namely putting the laminated glass into a tempering furnace for first heating, and taking out the glass after heating and putting the glass into a molten salt mixed solution for soaking;
s5: heating for the second time, putting the combined glass into a tempering furnace for the second time, and taking out the glass and continuously putting the glass into the molten salt mixed liquid for soaking after the heating is finished;
s6: heating for the third time, namely putting the laminated glass into a tempering furnace for the third time, and blowing air for cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
Preferably, in the step S1, the constant temperature polymerization is performed at 100 ℃, and the temperature during the high temperature plastication is 140-150 ℃.
Preferably, in the S3, the temperature and the pressure of the high temperature and the high pressure are 120-140 ℃, the pressure is 1.5-2 MPa, and the time is 2-3 hours.
Preferably, in S4, the temperature at the time of the first heating is 200-300 ℃, and the soaking time is 2-3 hours.
Preferably, in S5, the temperature during the second heating is 301-400 ℃, and the soaking time is 3-4 hours.
Preferably, in S6, the temperature is heated to 650 ℃ for the third time, the air is blown and cooled for three times, the first cooling is carried out at 480 ℃ to 520 ℃, the second cooling is carried out at 360 ℃ to 390 ℃, the third cooling is carried out at 50 ℃ to 150 ℃, and the cooling time is 20 minutes to 25 minutes.
Preferably, in S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 5-10.
Preferably, in the step S1, the mass parts of the redox graphene, the polyborosiloxane, the nano cerium oxide, the basalt fiber, the SBS thermoplastic material, the unsaturated polyester resin and the release agent are 30-40 parts, 20-25 parts, 5-10 parts, 20-25 parts, 15-20 parts, 30-35 parts, 5-10 parts and 5-10 parts, respectively.
The redox graphene is prepared by taking graphite as a raw material and adopting a Hammer method (GO stands for the redox graphene), has good mechanical property, a small amount of GO is filled in a high polymer organic material, so that the mechanical property, the barrier property and other properties of the graphene can be greatly improved, the specific surface area of the GO is relatively large, the surface of the GO has a plurality of polar groups similar to hydroxyl, carboxyl and the like, an SBS thermoplastic elastomer has excellent tensile strength, a large surface friction coefficient and good processing property, the basalt fiber is a continuous fiber drawn by natural basalt, and is a continuous fiber drawn by a platinum-rhodium alloy wire drawing bushing plate at a high speed after the basalt is melted at 1450-1500 ℃, the basalt continuous fiber not only has high strength, but also has a plurality of excellent properties of electric insulation, corrosion resistance, high temperature resistance and the like, in addition, the production process of the basalt fiber determines that the generated wastes are few, the environmental pollution is small, and the product can be directly degraded in the environment after being discarded without any harm;
the specific surface area of GO is relatively large, the surface of GO is provided with a plurality of polar groups similar to hydroxyl, carboxyl and the like, GO is used as a carrier, is conveniently compounded with SBS thermoplastic elastomer and basalt fiber, and then is plasticized and refined with unsaturated polyester resin, a release agent and alumina at high temperature to form a toughening agent with better heat resistance and higher strength;
then, the glass is laminated with the PVB membrane, and the PVB membrane has good cohesive force and has the characteristics of transparency, heat resistance, cold resistance, high mechanical strength and the like, so that the heat resistance and the mechanical strength of the glass are improved;
and the glass is heated for three times and soaked in the molten salt mixed solution, so that the glass can react with the solution more fully during tempering, and the heat resistance and the mechanical strength of the glass are further improved.
Compared with the prior art, the invention provides a processing method of a toughened glass plate, which has the following beneficial effects:
the processing method of the toughened glass plate adopted by the invention not only improves the heat resistance and the mechanical strength of the toughening agent, but also enables the glass to react with the toughening agent more fully during toughening, and also enables a layer of PVB membrane to be added into the glass, thereby greatly improving the heat resistance and the mechanical strength of the toughened glass plate.
The parts which are not related in the invention are the same as the prior art or can be realized by the prior art, and the invention has simple structure and convenient operation.
Drawings
FIG. 1 is a flow chart of the process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.
Example 1
As shown in fig. 1, a method for processing a tempered glass sheet includes the steps of:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing a molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 300 ℃;
s3: a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure;
s4: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s5: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s6: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature for constant temperature polymerization was 100 ℃ and the temperature for high temperature kneading was 140 ℃.
In S3, the temperature and pressure of the high temperature and pressure is 130 ℃ and the pressure is 2 MPa, and the time is 3 hours.
In S4, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S5, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S6, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
In S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 10.
In S1, the mass of the redox graphene was 30g, the mass of the polyborosiloxane was 20g, the mass of the nano-cerium oxide was 5g, the mass of the basalt fiber was 20g, the mass of the SBS thermoplastic material was 15g, the mass of the unsaturated polyester resin was 30g, the mass of the mold release agent was 5g, and the mass of the alumina was 5 g.
Example 2
As shown in fig. 1, a method for processing a tempered glass sheet includes the steps of:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing a molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 300 ℃;
s3: a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure;
s4: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s5: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s6: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature for constant temperature polymerization was 100 ℃ and the temperature for high temperature kneading was 140 ℃.
In S3, the temperature and pressure of the high temperature and pressure is 130 ℃ and the pressure is 2 MPa, and the time is 3 hours.
In S4, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S5, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S6, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
In S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 10.
In S1, the mass of the redox graphene was 40g, the mass of the polyborosiloxane was 25g, the mass of the nano-ceria was 10g, the mass of the basalt fiber was 25g, the mass of the SBS thermoplastic material was 20g, the mass of the unsaturated polyester resin was 35g, the mass of the mold release agent was 10g, and the mass of the alumina was 10 g.
Example 3
As shown in fig. 1, a method for processing a tempered glass sheet includes the steps of:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing a molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 300 ℃;
s3: a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure;
s4: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s5: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s6: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature for constant temperature polymerization was 100 ℃ and the temperature for high temperature kneading was 140 ℃.
In S3, the temperature and pressure of the high temperature and pressure is 130 ℃ and the pressure is 2 MPa, and the time is 3 hours.
In S4, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S5, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S6, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
In S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 10.
In S1, the mass of the redox graphene was 32g, the mass of the polyborosiloxane was 23g, the mass of the nano-ceria was 6g, the mass of the basalt fiber was 21g, the mass of the SBS thermoplastic material was 16g, the mass of the unsaturated polyester resin was 31g, the mass of the mold release agent was 7g, and the mass of the alumina was 6 g.
Example 4
As shown in fig. 1, a method for processing a tempered glass sheet includes the steps of:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing a molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 300 ℃;
s3: a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure;
s4: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s5: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s6: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature for constant temperature polymerization was 100 ℃ and the temperature for high temperature kneading was 140 ℃.
In S3, the temperature and pressure of the high temperature and pressure is 130 ℃ and the pressure is 2 MPa, and the time is 3 hours.
In S4, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S5, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S6, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
In S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 10.
In S1, the mass of the redox graphene is 38g, the mass of the polyborosiloxane is 24g, the mass of the nano cerium oxide is 8g, the mass of the basalt fiber is 23g, the mass of the SBS thermoplastic material is 18g, the mass of the unsaturated polyester resin is 34g, the mass of the release agent is 9g, and the mass of the alumina is 8 g. Example 5
As shown in fig. 1, a method for processing a tempered glass sheet includes the steps of:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing a molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 300 ℃;
s3: a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure;
s4: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s5: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s6: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature for constant temperature polymerization was 100 ℃ and the temperature for high temperature kneading was 140 ℃.
In S3, the temperature and pressure of the high temperature and pressure is 130 ℃ and the pressure is 2 MPa, and the time is 3 hours.
In S4, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S5, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S6, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
In S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 10.
In S1, the mass of the redox graphene was 35g, the mass of the polyborosiloxane was 22.5g, the mass of the nano-ceria was 7.5g, the mass of the basalt fiber was 22.5g, the mass of the SBS thermoplastic material was 17.5g, the mass of the unsaturated polyester resin was 32.5g, the mass of the mold release agent was 7.5g, and the mass of the alumina was 7.5 g.
Comparative example 1
As shown in FIG. 1, a method for processing a tempered glass sheet, which is different from example 5, is characterized in that the mass unit in S1 is changed from g to Kg, and the bench test is changed to a pilot test.
The method comprises the following steps:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing a molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 300 ℃;
s3: a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure;
s4: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s5: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s6: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature for constant temperature polymerization was 100 ℃ and the temperature for high temperature kneading was 140 ℃.
In S3, the temperature and pressure of the high temperature and pressure is 130 ℃ and the pressure is 2 MPa, and the time is 3 hours.
In S4, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S5, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S6, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
In S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 10.
In S1, the mass of the redox graphene is 35Kg, the mass of the polyborosiloxane is 22.5Kg, the mass of the nano cerium oxide is 7.5Kg, the mass of the basalt fiber is 22.5Kg, the mass of the SBS thermoplastic material is 17.5Kg, the mass of the unsaturated polyester resin is 32.5Kg, the mass of the release agent is 7.5Kg and the mass of the alumina is 7.5 Kg.
Comparative example 2
As shown in fig. 1, a method for processing a tempered glass sheet differs from example 5 in that the mass unit in S1 is changed from g to T (T is ton), and the pilot test is changed to the pilot test.
The method comprises the following steps:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing a molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 300 ℃;
s3: a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure;
s4: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s5: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s6: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature for constant temperature polymerization was 100 ℃ and the temperature for high temperature kneading was 140 ℃.
In S3, the temperature and pressure of the high temperature and pressure is 130 ℃ and the pressure is 2 MPa, and the time is 3 hours.
In S4, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S5, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S6, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
In S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 10.
In S1, the mass of the redox graphene was 35T, the mass of the polyborosiloxane was 22.5T, the mass of the nano-ceria was 7.5T, the mass of the basalt fiber was 22.5T, SBS, the mass of the thermoplastic material was 17.5T, the mass of the unsaturated polyester resin was 32.5T, the mass of the release agent was 7.5T, and the mass of the alumina was 7.5T.
Comparative example 3
This comparative example proposes a processing method of a tempered glass sheet, which is different from example 5 in that steps S1 and S2 are omitted;
the method comprises the following steps:
s1: a layer of PVB membrane is clamped between two layers of glass, and the PVB membrane is laminated under high temperature and high pressure;
s2: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s3: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s4: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s5: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature and pressure of the high temperature and pressure is 130 ℃ and the pressure is 2 MPa, and the time is 3 hours.
In S2, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S3, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S4, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
Comparative example 4
This comparative example proposes a processing method of a tempered glass sheet, which is different from example 5 in that step S3 is eliminated;
the method comprises the following steps:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing a molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 300 ℃;
s3: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s4: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s5: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s6: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature for constant temperature polymerization was 100 ℃ and the temperature for high temperature kneading was 140 ℃.
In S3, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S4, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S5, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
In S1, the toughening agent obtained by plasticizing is ground and sieved, and the mesh number of the mesh is 10.
In S1, the mass of the redox graphene was 35g, the mass of the polyborosiloxane was 22.5g, the mass of the nano-ceria was 7.5g, the mass of the basalt fiber was 22.5g, the mass of the SBS thermoplastic material was 17.5g, the mass of the unsaturated polyester resin was 32.5g, the mass of the mold release agent was 7.5g, and the mass of the alumina was 7.5 g.
Comparative example 5
This comparative example proposes a processing method of a tempered glass sheet, which is different from example 5 in that steps S1, S2, S3 are omitted;
the method comprises the following steps:
s1: putting the glass sheet into a tempering furnace for first heating, taking out the glass after heating, and putting the glass into a molten salt mixed solution for soaking;
s2: putting the combined glass into a tempering furnace again for second heating, and taking out the glass and continuously putting the glass into the molten salt mixed solution for soaking after the heating is finished;
s3: placing the laminated glass into a tempering furnace for third heating, and blowing and cooling after heating;
s4: and taking out the glass, and cleaning and drying the glass.
In S1, the temperature at the time of the first heating is 250 degrees celsius, and the soaking time is 3 hours.
In S2, the temperature at the time of the second heating is 350 ℃, and the soaking time is 4 hours.
And S3, heating to 650 ℃ for the third time, cooling for the third time by blowing air, cooling for the first time at 520 ℃ for the second time at 390 ℃, cooling for the third time at 150 ℃ for 25 minutes.
After the tempered glass prepared in the examples 1 to 5 and the comparative examples 1 to 5 is left for one month, the compression strength, the maximum heat-resistant temperature and the Mohs hardness are tested in a comparison way, and the test results are shown in the following table 1:
TABLE 1
| Compressive strength (MPa) | Maximum Heat resistance temperature (. degree. C.) | Mohs hardness | |
| Example 1 | 138 | 602 | 7.2 |
| Example 2 | 134 | 613 | 7.6 |
| Example 3 | 130 | 619 | 6.9 |
| Example 4 | 129 | 609 | 7.0 |
| Example 5 | 141 | 623 | 7.2 |
| Comparative example 1 | 129 | 624 | 7.3 |
| Comparative example 2 | 134 | 610 | 6.8 |
| Comparative example 3 | 115 | 590 | 6.1 |
| Comparative example 4 | 118 | 561 | 6.5 |
| Comparative example 5 | 112 | 548 | 5.2 |
From the experimental data of table 1, it is apparent that examples 1 to 5 and comparative examples 1 to 2 are superior in compressive strength, hardness and heat resistance to comparative examples 3 to 5, and thus it is understood that the tempered glass produced by the present invention has better heat resistance and mechanical strength.
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 (8)
1. A processing method of a toughened glass plate is characterized by comprising the following steps: the method comprises the following steps:
s1: preparing a toughening agent, polymerizing redox graphene, polyborosiloxane, nano cerium oxide, basalt fiber and SBS thermoplastic material at constant temperature, uniformly stirring with unsaturated polyester resin, a release agent and alumina, and performing high-temperature plastication;
s2: preparing molten salt mixed solution, heating the molten salt, mixing the molten salt with a toughening agent uniformly after the molten salt is fully melted, and heating and maintaining the temperature at 200 ℃ to 400 ℃;
s3: laminating glass and a PVB film, namely clamping a layer of PVB film between two layers of glass, and laminating the two layers of glass at high temperature and high pressure;
s4: first heating, namely putting the laminated glass into a tempering furnace for first heating, and taking out the glass after heating and putting the glass into a molten salt mixed solution for soaking;
s5: heating for the second time, putting the combined glass into a tempering furnace for the second time, and taking out the glass and continuously putting the glass into the molten salt mixed liquid for soaking after the heating is finished;
s6: heating for the third time, namely putting the laminated glass into a tempering furnace for the third time, and blowing air for cooling after heating;
s7: and taking out the glass, and cleaning and drying the glass.
2. The method as claimed in claim 1, wherein the constant temperature polymerization in S1 is at 100 ℃, and the temperature during the high temperature plasticizing is at 140-150 ℃.
3. The method as claimed in claim 1, wherein the temperature and pressure of S3 are 120-140 ℃, the pressure is 1.5-2 MPa, and the time is 2-3 hours.
4. The method as claimed in claim 1, wherein in S4, the temperature of the first heating is 200-300 ℃ and the soaking time is 2-3 hours.
5. The method as claimed in claim 1, wherein in S5, the temperature during the second heating is 301-400 ℃ and the soaking time is 3-4 hours.
6. The method as claimed in claim 1, wherein in S6, the temperature is raised to 650 ℃ for the third time, the air is blown and cooled for three times, the temperature is raised to 480 ℃ and 520 ℃ for the first time, the temperature is raised to 360 ℃ and 390 ℃ for the second time, and the temperature is raised to 50 ℃ to 150 ℃ for the third time, wherein the cooling time is 20-25 minutes.
7. The method as claimed in claim 1, wherein in S1, the toughening agent obtained by plasticizing is ground and sieved to obtain a mesh of 5-10 meshes.
8. The processing method of a tempered glass plate as recited in claim 1, wherein in S1, the parts by mass of the redox graphene are 30 to 40 parts, the parts by mass of the polyborosiloxane are 20 to 25 parts, the parts by mass of the nano cerium oxide are 5 to 10 parts, the parts by mass of the basalt fiber are 20 to 25 parts, the parts by mass of the SBS thermoplastic material are 15 to 20 parts, the parts by mass of the unsaturated polyester resin are 30 to 35 parts, the parts by mass of the mold release agent are 5 to 10 parts, and the parts by mass of the aluminum oxide are 5 to 10 parts.
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