CN113352730A - Processing method of super-thick SGP laminated glass - Google Patents
Processing method of super-thick SGP laminated glass Download PDFInfo
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- CN113352730A CN113352730A CN202110010755.XA CN202110010755A CN113352730A CN 113352730 A CN113352730 A CN 113352730A CN 202110010755 A CN202110010755 A CN 202110010755A CN 113352730 A CN113352730 A CN 113352730A
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/162—Cleaning
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/0007—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality
- B32B37/003—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding involving treatment or provisions in order to avoid deformation or air inclusion, e.g. to improve surface quality to avoid air inclusion
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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
- 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
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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
- 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
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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
- 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
- B32B37/1018—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 using only vacuum
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0036—Heat treatment
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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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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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
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
- C03C17/328—Polyolefins
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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
- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/3405—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of organic materials
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/24—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer not being coherent before laminating, e.g. made up from granular material sprinkled onto a substrate
- B32B2037/243—Coating
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/546—Flexural strength; Flexion stiffness
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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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/582—Tearability
- B32B2307/5825—Tear resistant
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
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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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/11—Deposition methods from solutions or suspensions
- C03C2218/112—Deposition methods from solutions or suspensions by spraying
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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
- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/152—Deposition methods from the vapour phase by cvd
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Abstract
The disclosure relates to a processing method of super-thick SGP laminated glass, which aims to solve the problems of low tear strength and hardness of SGP laminated glass in the related art. The method comprises the following steps: cleaning the glass sheet, drying the glass sheet, and passing through a polyvinyl chloride steam furnace added with a high-temperature plasticizer to form a semi-finished glass sheet; coating a layer of adhesive outside the semi-finished product of the glass sheet to obtain a glass blank sheet; laying SGP films on two sides of the glass blank sheet, and carrying out vacuum lamination on the glass blank sheet and the SGP films to obtain a laminated glass sheet; spraying a fire-resistant coating on the surface of the laminated glass sheet to obtain a fire-resistant glass sheet; and after the fire-resistant glass is cooled, coating a polyester object on the first surface of the fire-resistant glass sheet, pressing a glass sheet on the surface of the fire-resistant glass sheet coated with the polyester object after the fire-resistant glass is solidified, and pressing a glass sheet on the second surface of the fire-resistant glass sheet to obtain the super-thick SGP laminated glass. Thus, the tearing strength and the rigidity of the SGP laminated glass can be improved.
Description
Technical Field
The disclosure relates to the technical field of glass production, in particular to a processing method of super-thick SGP laminated glass.
Background
The laminated glass is the main development direction of glass, and the laminated glass can be added with a color layer and the like to achieve the effect of filtering strong light. In related scenes, the laminated glass can also improve the tear strength and the hardness of the glass, for example, a PVB film or an SGP film and the like are added into the glass to form the laminated glass with higher tear strength and hardness, the tear strength of the SGP laminated glass is more than 5 times that of the PVB laminated glass, the hardness of the SGP laminated glass is 30-l 00 times that of the PVB laminated glass, and the SGP laminated glass is good-quality building glass.
In the related technology, the glass sheet is directly cut, washed and ground, the washed and ground glass sheet is heated and tempered in a tempering furnace, the tempered glass sheet and the SGP film are subjected to pressing treatment, and finally the SGP laminated glass is formed. Therefore, the super-large and super-wide SGP laminated glass is obtained by only once pressing the SGP film, but the SGP laminated glass is thin, and good tear resistance and impact resistance effects are difficult to achieve in the using process.
Disclosure of Invention
The disclosure aims to provide a processing method of an ultra-thick SGP laminated glass, so as to solve the problem that errors exist in charging parameter configuration when a new energy automobile is charged in the related art.
In order to achieve the above object, a first aspect of the present disclosure provides a method for processing an ultra-thick SGP laminated glass, the method comprising:
cleaning a glass sheet, and drying the cleaned glass sheet for 20-30 minutes in vacuum at 35-45 ℃;
the dried glass original sheet is subjected to polyvinyl chloride steam furnace added with high-temperature plasticizer, so that polyvinyl chloride is vitrified on the surface of the glass original sheet to form a semi-finished glass original sheet, wherein the temperature in the steam furnace is 85-88 ℃, and the vitrification time is 30-32 minutes;
coating a layer of adhesive outside the semi-finished glass sheet to obtain a glass blank sheet;
laying SGP films on two sides of the glass blank sheet coated with the adhesive, and carrying out vacuum lamination on the glass blank sheet and the SGP films to obtain a laminated glass sheet, wherein the temperature of the vacuum lamination is 125-135 ℃, and the lamination time is 60-75 minutes;
spraying a fire-resistant coating on the surface of the pressed glass sheet to obtain a fire-resistant glass sheet, wherein the spraying thickness is 0.22-0.35 mm, and the spraying temperature is 300-350 ℃;
after the fire-resistant glass is cooled to 112 ℃ of 105 ℃, coating a polyester object on the first surface of the fire-resistant glass sheet, and laminating a glass original sheet on the surface of the fire-resistant glass sheet coated with the polyester object after curing treatment, wherein the thickness of the polyester object is 1mm-3 mm;
and pressing a glass original sheet on the second surface of the refractory glass sheet to obtain the ultra-thick SGP laminated glass, wherein the second surface is opposite to the first surface.
Preferably, the SGP films are flatly laid on two sides of the glass blank sheet after the adhesive is coated, and the glass blank sheet and the SGP films are subjected to vacuum lamination to obtain a laminated glass sheet, including:
placing the glass blank sheet coated with the adhesive and the SGP film into a laminating device, and flatly laying the SGP film on two sides of the glass blank sheet;
closing the vacuum door, and carrying out bubble removal on the glass blank sheet after the SGP film is flatly laid; and the number of the first and second electrodes,
starting a vacuumizing device to vacuumize a closed workshop, wherein the absolute pressure of the vacuumized workshop is 4-10 kPa;
heating the laminating device to 150-200 ℃, and carrying out vacuum lamination on the glass blank sheet coated with the adhesive and the SGP film according to the vacuum lamination temperature and the lamination duration;
cooling the glass blank sheet coated with the adhesive after vacuum pressing and the SGP film to a ventilation temperature to obtain a cooled glass blank sheet, wherein the ventilation temperature is consistent with the vacuum pressing temperature;
putting the cooled glass blank sheet into an oven with the air humidity of 70% -90% and the air temperature consistent with the vacuum pressing temperature for baking, and starting timing;
and opening the vacuum door to obtain the laminated glass sheet under the condition that the timing time reaches a preset time, wherein the timing time is 25-35 min.
Preferably, the pressing of a glass original sheet on the second surface of the refractory glass sheet to obtain the super-thick SGP laminated glass includes:
coating a layer of adhesive on the second surface of the refractory glass sheet, wherein the thickness of the adhesive is 0.2mm-0.5 mm;
and pressing a glass original sheet on the surface of the transparent shielding layer to obtain the super-thick SGP laminated glass.
Preferably, the vitrification thickness of the polyvinyl chloride on the surface of the glass original sheet is 5 nm-15 nm.
Preferably, the adhesive is polyvinyl acetate or polyacrylate, wherein the thickness of the polyvinyl acetate and the thickness of the polyacrylate are 0.4-1.0 mm.
Preferably, the SGP film thickness is 2.28 mm.
Preferably, the super-thick SGP laminated glass is prepared by any one of the methods.
Through the technical scheme, the following technical effects can be at least achieved:
the method comprises the following steps of vitrifying polyvinyl chloride on the surface of a glass sheet by a polyvinyl chloride steam furnace, flatly paving SGP films on two sides of the glass sheet coated with an adhesive, and carrying out vacuum lamination on the glass sheet and the SGP films to obtain a laminated glass sheet; spraying a fire-resistant coating on the surface of the laminated glass sheet to obtain a fire-resistant glass sheet; after the fire-resistant glass is cooled to the temperature of 105-112 ℃, coating a polyester object on the first surface of the fire-resistant glass sheet, and laminating a glass original sheet on the surface of the fire-resistant glass sheet coated with the polyester object after the fire-resistant glass is solidified; and pressing a glass original sheet on the second surface of the refractory glass sheet to obtain the super-thick SGP laminated glass. Thus, the adhesive has high adhesion to glass and high tear strength, and can prevent glass from being broken and scattered. Has strong protection capability, can prevent natural disasters and manpower damage, and has enough resistance capability to strong wind, earthquakes, violence, theft and the like. Can bear the sudden impact of indoor personnel, prevent glass from flying or wholly deviating from, and avoid the falling of indoor personnel and articles. Has enough residual bearing capacity, and the whole glass can not fall off when being bent after being crushed. The SGP film has enough shearing dies, so that the whole section of the laminated glass is bent, the bearing capacity and the bending rigidity of the glass are improved, and the fire resistance of the toughened glass can be effectively enhanced.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a flow chart illustrating a method of processing ultra-thick SGP laminated glass according to an exemplary embodiment.
Fig. 2 is a flowchart illustrating one implementation of step S14 in fig. 1, according to an example embodiment.
Fig. 3 is a flowchart illustrating one implementation of step S17 in fig. 1, according to an example embodiment.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
To this end, the present disclosure provides a method for processing an ultra-thick SGP laminated glass, which is illustrated with reference to a flowchart of a method for processing an ultra-thick SGP laminated glass shown in fig. 1, and includes:
s11, cleaning the glass sheet, and drying the cleaned glass sheet for 20-30 minutes in vacuum at 35-45 ℃;
s12, subjecting the dried glass sheet to a polyvinyl chloride steam furnace added with a high-temperature plasticizer to vitrify polyvinyl chloride on the surface of the glass sheet to form a semi-finished glass sheet, wherein the temperature in the steam furnace is 85-88 ℃, and the vitrification time is 30-32 minutes;
s13, coating a layer of adhesive outside the semi-finished glass sheet to obtain a glass blank sheet;
s14, laying SGP films on two sides of the glass blank sheet coated with the adhesive, and carrying out vacuum lamination on the glass blank sheet and the SGP films to obtain a laminated glass sheet, wherein the temperature of the vacuum lamination is 125-135 ℃, and the lamination time is 60-75 minutes;
s15, spraying a fire-resistant coating on the surface of the pressed glass sheet to obtain a fire-resistant glass sheet, wherein the spraying thickness is 0.22-0.35 mm, and the spraying temperature is 300-350 ℃;
s16, after the fire-resistant glass is cooled to the temperature of 105-112 ℃, coating a polyester object on the first surface of the fire-resistant glass sheet, and laminating a glass original sheet on the surface of the fire-resistant glass sheet coated with the polyester object after curing treatment, wherein the thickness of the polyester object is 1mm-3 mm;
and S17, pressing a glass original sheet on the second surface of the refractory glass sheet to obtain the ultra-thick SGP laminated glass, wherein the second surface is opposite to the first surface.
Preferably, fig. 2 is a flowchart illustrating one implementation of step S14 in fig. 1 according to an exemplary embodiment. In step S14, the laying of the SGP film on both sides of the glass blank sheet after the adhesive is coated, and performing vacuum lamination on the glass blank sheet and the SGP film to obtain a laminated glass sheet, including:
s141, placing the glass blank sheet coated with the adhesive and the SGP film into a laminating device, and flatly laying the SGP film on two sides of the glass blank sheet;
s142, closing the vacuum door, and removing bubbles from the glass blank sheet after the SGP film is flatly laid; and the number of the first and second electrodes,
s143, starting a vacuumizing device to vacuumize a sealed workshop, wherein the absolute pressure of the vacuumized workshop is 4-10 kPa;
s144, heating the laminating device to 150-200 ℃, and carrying out vacuum lamination on the glass blank sheet coated with the adhesive and the SGP film according to the vacuum lamination temperature and the lamination duration;
s145, cooling the glass blank sheet coated with the adhesive and subjected to vacuum pressing and the SGP film to a ventilation temperature to obtain a cooled glass blank sheet, wherein the ventilation temperature is consistent with the vacuum pressing temperature;
s146, placing the cooled glass blank sheet into an oven with the air humidity of 70% -90% and the air temperature consistent with the vacuum pressing temperature for baking, and starting timing;
s147, opening the vacuum door to obtain the laminated glass sheet under the condition that the timing duration reaches a preset duration, wherein the timing duration is 25-35 min.
Preferably, fig. 3 is a flowchart illustrating one implementation of step S17 in fig. 1 according to an exemplary embodiment. In step S17, pressing a glass original sheet on the second surface of the refractory glass sheet to obtain the super-thick SGP laminated glass, including:
s171, coating a layer of adhesive on the second surface of the refractory glass sheet, wherein the thickness of the adhesive is 0.2mm-0.5 mm;
and S172, pressing a glass original sheet on the surface of the transparent shielding layer to obtain the super-thick SGP laminated glass.
Preferably, the vitrification thickness of the polyvinyl chloride on the surface of the glass original sheet is 5 nm-15 nm.
Preferably, the adhesive is polyvinyl acetate or polyacrylate, wherein the thickness of the polyvinyl acetate and the thickness of the polyacrylate are 0.4-1.0 mm.
Preferably, the SGP film thickness is 2.28 mm.
Preferably, the super-thick SGP laminated glass is prepared by any one of the methods.
The first embodiment is as follows:
cleaning a glass sheet, and drying the cleaned glass sheet for 20-30 minutes in vacuum at 35-45 ℃;
subjecting the dried glass sheet to a polyvinyl chloride steam furnace added with a high-temperature plasticizer to vitrify polyvinyl chloride on the surface of the glass sheet to form a semi-finished glass sheet, wherein the temperature in the steam furnace is 85 ℃, and the vitrification time is 32 minutes;
coating a layer of polyvinyl acetate outside the semi-finished product of the glass sheet, wherein the thickness of the polyvinyl acetate is 0.4mm, and obtaining a glass blank sheet;
putting the glass blank sheet coated with the adhesive and the SGP film into a laminating device, and flatly laying the SGP film on two sides of the glass blank sheet, wherein the thickness of the SGP film is 2.28 mm;
closing the vacuum door, and carrying out bubble removal on the glass blank sheet after the SGP film is flatly laid; and the number of the first and second electrodes,
starting a vacuumizing device to vacuumize a sealed workshop, wherein the absolute pressure of the vacuumized workshop is 4 kPa;
heating the laminating device to 150 ℃, and laminating the glass blank sheet coated with the adhesive and the SGP film at 135 ℃ for 60 minutes according to the vacuum laminating temperature;
cooling the glass blank sheet coated with the adhesive and the SGP film after vacuum pressing to the ventilation temperature of 135 ℃ to obtain a cooled glass blank sheet;
putting the cooled glass blank sheet into an oven with the air humidity of 70% and the air temperature of 135 ℃ for baking, and starting timing;
opening the vacuum door to obtain the laminated glass sheet under the condition that the timing time reaches a preset time of 25 min;
spraying a fire-resistant coating on the surface of the pressed glass sheet to obtain a fire-resistant glass sheet, wherein the spraying thickness is 0.35mm, and the spraying temperature is 350 ℃;
after the fire-resistant glass is cooled to 105 ℃, coating a polyester object on the first surface of the fire-resistant glass sheet, and pressing a glass original sheet on the surface of the fire-resistant glass sheet coated with the polyester object after curing treatment, wherein the thickness of the polyester object is 1 mm;
and (3) facing a glass sheet to the second surface of the refractory glass sheet, and pressing the glass sheet and the second surface of the refractory glass sheet by adopting the pressure of 300-350 kPa to obtain the super-thick SGP laminated glass.
Example two:
cleaning a glass sheet, and drying the cleaned glass sheet for 20-30 minutes in vacuum at 35-45 ℃;
the dried glass original sheet is subjected to polyvinyl chloride steam furnace added with high-temperature plasticizer, so that polyvinyl chloride is vitrified on the surface of the glass original sheet to form a semi-finished glass original sheet, wherein the temperature in the steam furnace is 88 ℃, and the vitrification time is 30 minutes;
coating a layer of polyvinyl acetate outside the semi-finished product of the glass sheet, wherein the thickness of the polyvinyl acetate is 0.5mm, and obtaining a glass blank sheet;
putting the glass blank sheet coated with the adhesive and the SGP film into a laminating device, and flatly laying the SGP film on two sides of the glass blank sheet, wherein the thickness of the SGP film is 2.28 mm;
closing the vacuum door, and carrying out bubble removal on the glass blank sheet after the SGP film is flatly laid; and the number of the first and second electrodes,
starting a vacuumizing device to vacuumize a sealed workshop, wherein the absolute pressure of the vacuumized workshop is 5 kPa;
heating the laminating device to 200 ℃, and pressing the glass blank sheet coated with the adhesive and the SGP film at 125 ℃ for 75 minutes according to the vacuum pressing temperature;
cooling the glass blank sheet coated with the adhesive and subjected to vacuum lamination and the SGP film to the ventilation temperature of 125 ℃ to obtain a cooled glass blank sheet;
putting the cooled glass blank sheet into an oven with the air humidity of 90% and the air temperature of 125 ℃ for baking, and starting timing;
opening the vacuum door to obtain the laminated glass sheet under the condition that the timing time reaches a preset time of 25 min;
spraying a fire-resistant coating on the surface of the pressed glass sheet to obtain a fire-resistant glass sheet, wherein the spraying thickness is 0.22mm, and the spraying temperature is 300 ℃;
after the fire-resistant glass is cooled to 112 ℃, coating a polyester object on the first surface of the fire-resistant glass sheet, and pressing a glass sheet on the surface of the fire-resistant glass sheet coated with the polyester object after curing treatment, wherein the thickness of the polyester object is 3 mm;
and (3) facing a glass sheet to the second surface of the refractory glass sheet, and pressing the glass sheet and the second surface of the refractory glass sheet by adopting the pressure of 300-350 kPa to obtain the super-thick SGP laminated glass.
Example three:
cleaning a glass sheet, and drying the cleaned glass sheet for 20-30 minutes in vacuum at 35-45 ℃;
subjecting the dried glass sheet to a polyvinyl chloride steam furnace added with a high-temperature plasticizer to vitrify polyvinyl chloride on the surface of the glass sheet to form a semi-finished glass sheet, wherein the temperature in the steam furnace is 87 ℃, and the vitrification time is 31 minutes;
coating a layer of polyacrylate outside the glass sheet semi-finished product, wherein the thickness of the polyacrylate is 0.4mm, and obtaining a glass blank sheet;
putting the glass blank sheet coated with the adhesive and the SGP film into a laminating device, and flatly laying the SGP film on two sides of the glass blank sheet, wherein the thickness of the SGP film is 2.28 mm;
closing the vacuum door, and carrying out bubble removal on the glass blank sheet after the SGP film is flatly laid; and the number of the first and second electrodes,
starting a vacuumizing device to vacuumize a sealed workshop, wherein the absolute pressure of the vacuumized workshop is 6 kPa;
heating the laminating device to 180 ℃, and laminating the glass blank sheet coated with the adhesive and the SGP film at the temperature of 130 ℃ for vacuum lamination for 70 minutes;
cooling the glass blank sheet coated with the adhesive and the SGP film after vacuum pressing to the ventilation temperature of 130 ℃ to obtain a cooled glass blank sheet;
putting the cooled glass blank sheet into an oven with the air humidity of 80% and the air temperature of 130 ℃ for baking, and starting timing;
opening the vacuum door to obtain the laminated glass sheet under the condition that the timing time reaches the preset time for 30 min;
spraying a fire-resistant coating on the surface of the laminated glass sheet to obtain a fire-resistant glass sheet, wherein the spraying thickness is 0.3mm, and the spraying temperature is 330 ℃;
after the fire-resistant glass is cooled to 130 ℃, coating a polyester object on the first surface of the fire-resistant glass sheet, and pressing a glass sheet on the surface of the fire-resistant glass sheet coated with the polyester object after curing treatment, wherein the thickness of the polyester object is 2 mm;
and (3) facing a glass sheet to the second surface of the refractory glass sheet, and pressing the glass sheet and the second surface of the refractory glass sheet by adopting the pressure of 300-350 kPa to obtain the super-thick SGP laminated glass.
Example four:
cleaning a glass sheet, and drying the cleaned glass sheet for 20-30 minutes in vacuum at 35-45 ℃;
the dried glass original sheet is subjected to polyvinyl chloride steam furnace added with high-temperature plasticizer, so that polyvinyl chloride is vitrified on the surface of the glass original sheet to form a semi-finished glass original sheet, wherein the temperature in the steam furnace is 85 ℃, and the vitrification time is 33 minutes;
coating a layer of polyacrylate outside the glass sheet semi-finished product, wherein the thickness of the polyacrylate is 0.4mm, and obtaining a glass blank sheet;
putting the glass blank sheet coated with the adhesive and the SGP film into a laminating device, and flatly laying the SGP film on two sides of the glass blank sheet, wherein the thickness of the SGP film is 2.28 mm;
closing the vacuum door, and carrying out bubble removal on the glass blank sheet after the SGP film is flatly laid; and the number of the first and second electrodes,
starting a vacuumizing device to vacuumize a sealed workshop, wherein the absolute pressure of the vacuumized workshop is 10 kPa;
heating the laminating device to 200 ℃, and laminating the glass blank sheet coated with the adhesive and the SGP film at 135 ℃ for 70 minutes according to the vacuum laminating temperature;
cooling the glass blank sheet coated with the adhesive and the SGP film after vacuum pressing to the ventilation temperature of 135 ℃ to obtain a cooled glass blank sheet;
putting the cooled glass blank sheet into an oven with the air humidity of 90% and the air temperature of 130 ℃ for baking, and starting timing;
opening the vacuum door to obtain the laminated glass sheet under the condition that the timing time reaches the preset time for 30 min;
spraying a fire-resistant coating on the surface of the laminated glass sheet to obtain a fire-resistant glass sheet, wherein the spraying thickness is 0.3mm, and the spraying temperature is 330 ℃;
after the fire-resistant glass is cooled to 130 ℃, coating a polyester object on the first surface of the fire-resistant glass sheet, and pressing a glass sheet on the surface of the fire-resistant glass sheet coated with the polyester object after curing treatment, wherein the thickness of the polyester object is 2 mm;
and (3) facing a glass sheet to the second surface of the refractory glass sheet, and pressing the glass sheet and the second surface of the refractory glass sheet by adopting the pressure of 300-350 kPa to obtain the super-thick SGP laminated glass.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (7)
1. A processing method of super-thick SGP laminated glass is characterized by comprising the following steps:
cleaning a glass sheet, and drying the cleaned glass sheet for 20-30 minutes in vacuum at 35-45 ℃;
the dried glass original sheet is subjected to polyvinyl chloride steam furnace added with high-temperature plasticizer, so that polyvinyl chloride is vitrified on the surface of the glass original sheet to form a semi-finished glass original sheet, wherein the temperature in the steam furnace is 85-88 ℃, and the vitrification time is 30-32 minutes;
coating a layer of adhesive outside the semi-finished glass sheet to obtain a glass blank sheet;
laying SGP films on two sides of the glass blank sheet coated with the adhesive, and carrying out vacuum lamination on the glass blank sheet and the SGP films to obtain a laminated glass sheet, wherein the temperature of the vacuum lamination is 125-135 ℃, and the lamination time is 60-75 minutes;
spraying a fire-resistant coating on the surface of the pressed glass sheet to obtain a fire-resistant glass sheet, wherein the spraying thickness is 0.22-0.35 mm, and the spraying temperature is 300-350 ℃;
after the fire-resistant glass is cooled to 112 ℃ of 105 ℃, coating a polyester object on the first surface of the fire-resistant glass sheet, and laminating a glass original sheet on the surface of the fire-resistant glass sheet coated with the polyester object after curing treatment, wherein the thickness of the polyester object is 1mm-3 mm;
and pressing a glass original sheet on the second surface of the refractory glass sheet to obtain the ultra-thick SGP laminated glass, wherein the second surface is opposite to the first surface.
2. The method of claim 1, wherein laying the SGP film on both sides of the green glass sheet after applying the adhesive, and vacuum laminating the green glass sheet and the SGP film to obtain a laminated glass sheet, comprises:
placing the glass blank sheet coated with the adhesive and the SGP film into a laminating device, and flatly laying the SGP film on two sides of the glass blank sheet;
closing the vacuum door, and carrying out bubble removal on the glass blank sheet after the SGP film is flatly laid; and the number of the first and second electrodes,
starting a vacuumizing device to vacuumize a closed workshop, wherein the absolute pressure of the vacuumized workshop is 4-10 kPa;
heating the laminating device to 150-200 ℃, and carrying out vacuum lamination on the glass blank sheet coated with the adhesive and the SGP film according to the vacuum lamination temperature and the lamination duration;
cooling the glass blank sheet coated with the adhesive after vacuum pressing and the SGP film to a ventilation temperature to obtain a cooled glass blank sheet, wherein the ventilation temperature is consistent with the vacuum pressing temperature;
putting the cooled glass blank sheet into an oven with the air humidity of 70% -90% and the air temperature consistent with the vacuum pressing temperature for baking, and starting timing;
and opening the vacuum door to obtain the laminated glass sheet under the condition that the timing time reaches a preset time, wherein the timing time is 25-35 min.
3. The method as claimed in claim 1, wherein the pressing of a glass original sheet on the second surface of the refractory glass sheet to obtain the super-thick SGP laminated glass comprises:
coating a layer of adhesive on the second surface of the refractory glass sheet, wherein the thickness of the adhesive is 0.2mm-0.5 mm;
and pressing a glass original sheet on the surface of the transparent shielding layer to obtain the super-thick SGP laminated glass.
4. The method of claim 1, wherein the polyvinyl chloride is vitrified to a thickness of 5nm to 15nm on the surface of the glass master.
5. The method of claim 1, wherein the adhesive is polyvinyl acetate or polyacrylate, wherein the thickness of the polyvinyl acetate and the thickness of the polyacrylate are 0.4-1.0 mm.
6. The method of claim 1, wherein said SGP film thickness is 2.28 mm.
7. The method according to any one of claims 1 or 6, wherein the super-thick SGP laminated glass is prepared by the method according to any one of claims 1 to 6.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271839A (en) * | 2015-11-09 | 2016-01-27 | 东莞南玻工程玻璃有限公司 | Super-thick SGP laminated glass and preparation method thereof |
| CN108503235A (en) * | 2018-05-31 | 2018-09-07 | 贵州杰傲建材有限责任公司 | A kind of fire-resistant fluid of flame resistant glass and its preparation and spraying method |
| CN110668711A (en) * | 2019-09-26 | 2020-01-10 | 吴江南玻华东工程玻璃有限公司 | Preparation process of ultra-thick interlayer Low-E glass and Low-E glass |
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- 2021-04-25 CN CN202110010755.XA patent/CN113352730A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105271839A (en) * | 2015-11-09 | 2016-01-27 | 东莞南玻工程玻璃有限公司 | Super-thick SGP laminated glass and preparation method thereof |
| CN108503235A (en) * | 2018-05-31 | 2018-09-07 | 贵州杰傲建材有限责任公司 | A kind of fire-resistant fluid of flame resistant glass and its preparation and spraying method |
| CN110668711A (en) * | 2019-09-26 | 2020-01-10 | 吴江南玻华东工程玻璃有限公司 | Preparation process of ultra-thick interlayer Low-E glass and Low-E glass |
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