CN112571892A - Laminated glass plate and method for manufacturing laminated glass plate - Google Patents
Laminated glass plate and method for manufacturing laminated glass plate Download PDFInfo
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- CN112571892A CN112571892A CN202011307160.2A CN202011307160A CN112571892A CN 112571892 A CN112571892 A CN 112571892A CN 202011307160 A CN202011307160 A CN 202011307160A CN 112571892 A CN112571892 A CN 112571892A
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- glass substrate
- sealing film
- glue
- laminated glass
- carrier plate
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- 239000005340 laminated glass Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 25
- 239000011521 glass Substances 0.000 claims abstract description 96
- 239000003292 glue Substances 0.000 claims abstract description 95
- 238000007789 sealing Methods 0.000 claims abstract description 86
- 239000000758 substrate Substances 0.000 claims abstract description 85
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- 229920001721 polyimide Polymers 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229920002545 silicone oil Polymers 0.000 claims description 6
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims 4
- 239000005357 flat glass Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 34
- 239000000463 material Substances 0.000 description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000000969 carrier Substances 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003280 down draw process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
-
- 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
- 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
-
- 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
- B32B38/18—Handling of layers or the laminate
- B32B38/1858—Handling of layers or the laminate using vacuum
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
Abstract
The invention relates to the technical field of flat display glass, and discloses a laminated glass plate and a manufacturing method of the laminated glass plate, wherein the manufacturing method comprises the following steps: arranging a sealing film belt on the position, corresponding to the edge of the glass substrate, of the plate surface of the carrier plate, wherein the sealing film belt is provided with a disconnected part to form an exhaust port; coating glue in the surrounding area formed by the sealing film strip to form a glue layer; the plate surface of the glass substrate is attached to the plate surface of the carrier plate so that the glass substrate is attached to the sealing film belt and the glue layer; and plugging the exhaust port. The manufacturing method provided by the invention can effectively prevent the offset of the glue and the seepage of the glue, and can eliminate or at least reduce air bubbles in the glue layer.
Description
Technical Field
The invention relates to the technical field of flat display glass, in particular to a laminated glass plate and a manufacturing method of the laminated glass plate.
Background
The liquid crystal glass substrate is a main component of the display panel, and in order to meet the transportation of the glass substrate and the supporting requirements in the manufacturing process of the display panel, the glass substrate needs to have certain rigidity, and the thickness of the glass substrate is generally more than 0.35 mm.
With the development of the thinning requirement of the flat panel display device, the glass substrate needs to be chemically thinned after the display panel is manufactured into a box, so that the thickness of the glass substrate is less than 0.2 mm. The process needs to use a large amount of hydrofluoric acid to erode and thin the glass substrate, the hydrofluoric acid has strong corrosivity and can corrode the skin and respiratory tract of people, and the leaked hydrofluoric acid can seriously pollute the atmosphere.
Therefore, in order to avoid adopting a chemical thinning treatment mode, the glass substrate with the thickness of 0.2mm or less is directly used, but the glass substrate is too thin to meet the transportation requirement, so that a method of placing the glass substrate on a bearing plate for transportation is adopted, and the glass substrate is bonded on the bearing plate through glue. However, bubbles are easily mixed in the glue, so that the processing of the glass substrate in the subsequent process is influenced; meanwhile, the glue can shift to cause the problems of dislocation of the glass substrate, seepage of the glue and the like, the production yield of the glass substrate is influenced, and production accidents can be caused in severe cases.
Disclosure of Invention
The invention aims to overcome the problem of the prior art that the transportation mode of the laminated glass plate is not ideal,
in order to achieve the above object, an aspect of the present invention provides a method of manufacturing a laminated glass sheet, the method comprising: arranging a sealing film belt on the position, corresponding to the edge of the glass substrate, of the plate surface of the carrier plate, wherein the sealing film belt is provided with a disconnected part to form an exhaust port; coating glue in the surrounding area formed by the sealing film strip to form a glue layer; the plate surface of the glass substrate is attached to the plate surface of the carrier plate so that the glass substrate is attached to the sealing film belt and the glue layer; and plugging the exhaust port.
Optionally, after glue is coated in the surrounding area formed by the sealing film strip, the support plate is placed in a leveling chamber to perform leveling treatment on the surface of the glue layer, and then the glass substrate is attached to the support plate.
Optionally, the temperature in the leveling chamber is 50-300 ℃, and the time for the leveling treatment of the carrier plate is 2-10 minutes.
Optionally, in the step of attaching the glass substrate to the carrier plate: putting the carrier plate into a vacuum chamber, vacuumizing to discharge bubbles in the glue layer, and attaching the glass substrate which is placed in the vacuum chamber in advance onto the carrier plate.
Optionally, the vacuum chamber is evacuated to bring the pressure in the vacuum chamber to 10-1-10-5 Pa.
Optionally, the sealing film strip is arranged on the carrier plate through high-temperature-resistant glue or through electrostatic connection, and/or; and in the step of plugging the air outlet, plugging the air outlet by using glue.
Optionally, the sealing film tape has a portion exposed outside an edge of the glass substrate, and wherein: the sealing film belt is a polyimide film or an organic resin film, and/or; and a protective film is arranged on the sealing film belt, wherein the protective film is removed before the step of attaching the glass substrate on the carrier plate.
The second aspect of the invention provides a laminated glass plate, which comprises a glass substrate, a carrier plate, a sealing film strip and a glue layer formed by glue, wherein the size of the surface of the carrier plate is larger than or equal to that of the glass substrate so that the glass substrate can be completely arranged on the carrier plate, the sealing film strip is arranged on the position, corresponding to the edge of the glass substrate, of the surface of the carrier plate, the glue layer covers an enclosed area formed by the sealing film strip, the glass substrate is arranged on the carrier plate, the sealing film strip is provided with a broken part so as to form an air outlet, and the air outlet is filled with the glue.
Optionally, the laminated glass sheet comprises at least one of:
the first method is as follows: the glue forming the glue layer is made of organic resin or silicone oil;
the second method comprises the following steps: the sealing film belt is a polyimide film or an organic resin film;
the third method comprises the following steps: the glass substrate is A in mass, and is composed of (58-65%) A SiO2, (0-15%) A B2O3, (15-22%) A Al2O3, (0-3%) A ZnO, (0-8%) A MgO, (2-10%) A CaO, (0-5%) A SrO, (0-10%) A BaO, (0-2%) A SnO, and (0-1%) A ZrO.
Optionally, the sealing film tape is in a strip shape, and the sealing film tape has a portion exposed outside an edge of the glass substrate, and wherein: the width of the sealing film strip is 5-10mm, and/or; the thickness of the sealing film strip is 10-50 μm.
According to the technical scheme, the sealing film belt is arranged on the carrier plate, and then the glue is coated on the area defined by the sealing film belt to form the glue layer, so that the flow of the glue layer is limited, and the offset of the glue and the seepage of the glue are effectively prevented; on the other hand, air bubbles in the glue layer can be eliminated or at least reduced by forming an air vent on the sealing film strip so that the air bubbles in the glue can be discharged from the air vent; the air vent is plugged after the air bubbles are discharged so as to ensure the sealing of the glue layer and prevent the air from entering the glue layer again.
Drawings
FIG. 1 is a cross-sectional view of a laminated glass sheet according to a preferred embodiment of the present invention;
fig. 2 is a top view of a laminated glass sheet according to a preferred embodiment of the present invention.
Description of the reference numerals
1. A glass substrate; 2. a carrier plate; 3. glue layer, 4, sealing film band; 5. exhaust port
Detailed Description
The present invention provides a method for manufacturing a laminated glass sheet, comprising: arranging a sealing film belt on the position of the carrier plate corresponding to the edge of the glass substrate, wherein the sealing film belt is provided with a disconnected part to form an exhaust port; coating glue in the surrounding area formed by the sealing film strip to form a glue layer; and attaching a glass substrate to the carrier plate so as to enable the glass substrate and the sealing film strip. The glue layers are all attached; and plugging the exhaust port.
According to the method provided by the invention, the sealing film belt is arranged on the carrier plate, and then the glue is coated on the area surrounded by the sealing film belt to form the glue layer, so that the flow of the glue layer is limited, and the offset of the glue and the seepage of the glue are effectively prevented; on the other hand, air bubbles in the glue layer can be eliminated or at least reduced by forming an air vent on the sealing film strip so that the air bubbles in the glue can be discharged from the air vent; the air vent is plugged after the air bubbles are discharged so as to ensure the sealing of the glue layer and prevent the air from entering the glue layer again.
After glue is coated in the surrounding area formed by the sealing film strip, the support plate is placed into the leveling chamber for leveling treatment, so that the glue can form a uniform glue layer. Wherein, when the leveling treatment is carried out, the temperature of the leveling chamber is 50-300 ℃, preferably 50-250 ℃, more preferably 50-150 ℃, and the time of the leveling treatment is 2-10 minutes.
In order to sufficiently discharge bubbles in the glue layer, the step of bonding the glass substrate to the carrier plate comprises: putting the carrier plate into a vacuum chamber, vacuumizing to discharge bubbles in the glue layer, and attaching the glass substrate which is placed in the vacuum chamber in advance onto the carrier plate.
The vacuum chamber is more beneficial to discharging bubbles in the glue layer, and the pressure in the vacuum chamber is pumped to 10-1-10-5Pa, preferably 10-2-10-5Pa, more preferably 10-3-10-5Pa; after the glass substrate is attached to the carrier, the glass substrate may be pressed by a roll press or a press machine.
The material of the sealing film belt can be a polyimide film or an organic resin film, and the sealing film belt can be adhered to the carrier plate through high-temperature-resistant glue or arranged on the carrier plate in an electrostatic connection mode. In addition, in the step of plugging the exhaust port, high-temperature-resistant glue can be selected for plugging. The high-temperature resistant glue can be organic resin, silicone oil or other adhesives with high-temperature resistant characteristics.
The sealing film belt is further provided with a protective film, the sealing film belt with the protective film can be arranged on the support plate, the protective film can be arranged on the sealing film belt after the sealing film belt is arranged on the support plate, the protective film plays a role in protecting the sealing film belt, the protective film can simultaneously protect the top surface and the side surface of the sealing film belt, and the sealing film belt is prevented from being polluted by subsequently coated glue. And the protective film is removed before the step of attaching the glass substrate on the carrier plate. The protective film can be a plastic film or other film with stable property and capable of isolating glue.
One specific example of the method for producing a laminated glass sheet of the present invention is described below.
The first embodiment is as follows:
a glass carrier plate with the thickness of 0.5mm, the length of 1205mm and the width of 1005mm and a sealing film strip which is 30 microns in thickness, 10mm in width and is provided with a protective film on the surface are taken, the sealing film strip made of the silicone material is adhered to the position 1mm away from the edge of the carrier plate through high-temperature glue, and broken areas with the width of 15mm are arranged at the four corners of the sealing film strip and the middle position of the sealing film strip on each edge so as to form an exhaust port.
A glue made of organic resin or silicone oil is applied in the enclosed area formed by the sealing film tape by a curtain coater to form a glue layer of 25 μm thickness.
After the glue layer is formed, removing the protective film on the sealing film belt, then conveying the carrier plate into a leveling chamber with the temperature of 100 ℃ for leveling treatment for 5 minutes, then conveying the carrier plate into a vacuum chamber, vacuumizing the vacuum chamber to keep the carrier plate for 10 seconds under the pressure of 10-4Pa, then attaching and arranging a glass substrate with the length of 1200mm, the width of 1000mm and the thickness of 0.2mm in the vacuum chamber on the glass carrier plate, pressing the glass substrate by rolling or pressing by a press, and then sealing and blocking an exhaust port by using high-temperature-resistant glue. Wherein the weight of the glass substrate is A, the glass substrate comprises 62.5% A of SiO211% of A B2O318% of A Al2O30.25% of A ZnO, 1.8% of A MgO, 5% of A CaO, 1% of A SrO, 0.2% of A BaO, 0.2% of A SnO and 0.05% of A ZrO, and the material of the carrier plate is completely the same as that of the glass substrate, for example, the carrier plate can be a product produced by the same production process as the glass substrate.
After the above steps are completed, the vacuum chamber is evacuated and then the laminated glass sheet is removed from the vacuum chamber. The moved laminated glass plate can be transported and processed in subsequent processes, after all the processes are completed, when the glass substrate needs to be separated, the high-temperature-resistant glue for plugging the exhaust port is removed, then the carrier plate and the glass substrate are separated by external force, for example, the carrier plate and the glass substrate are respectively sucked by two suckers and are pulled reversely, and then the carrier plate and the glass substrate can be separated, so that the glass plate with the thickness of 0.2mm is obtained.
The laminated glass plate obtained by the above method was measured to obtain data shown in table 1.
TABLE 1
The difference between samples 1, 2 and 3 and samples 4, 5 and 6 is that the samples 1, 2 and 3 are 0.5mm thick carriers, and the samples 4, 5 and 6 are 0.6mm thick carriers.
Example two:
a glass carrier plate with the thickness of 0.6mm, the length of 1005mm and the width of 805mm is taken, a sealing film strip which is 15 microns in thickness, 8mm in width and is made of polyimide materials with a protective film attached to the surface is pasted at a position 5mm away from the edge of the carrier plate, the sealing film strip made of the polyimide materials is pasted by high-temperature glue, and a breaking area with the width of 20mm is arranged at the four corners of the sealing film strip and the middle position of the sealing film strip at each edge so as to form an exhaust port.
A glue made of organic resin or silicone oil was applied to the enclosed region formed by the sealing film tape by a roll coater to form a glue layer of 14 μm thickness.
After the glue layer is formed, removing the protective film on the sealing film belt, then conveying the carrier plate into a leveling chamber with the temperature of 120 ℃ for leveling treatment for 3 minutes, then conveying the carrier plate into a vacuum chamber, vacuumizing the vacuum chamber to keep the carrier plate for 20 seconds under the pressure of 10-3Pa, then attaching and arranging a glass substrate with the length of 1000mm, the width of 800mm and the thickness of 0.2mm in the vacuum chamber on the glass carrier plate, pressing the glass substrate by rolling or pressing by a press, and then sealing and blocking an exhaust port by using high-temperature-resistant glue. The glass substrate is composed of 60.5% A of SiO2, 10% A of B2O3, 20% A of Al2O3, 1.0% A of ZnO, 1.0% A of MgO, 3.0% A of CaO, 3.0% A of SrO, 0.5% A of BaO, 0.6% A of SnO and 0.04% A of ZrO, and the material of the carrier plate is completely the same as that of the glass substrate, for example, the carrier plate can be a product produced by the same production process as the glass substrate.
The laminated glass plate obtained by the above method was measured to obtain data shown in table 2.
The difference between samples 1, 2, 3 and samples 4, 5, 6 is that the samples 1, 2, 3 are 0.6mm thick carriers, and the samples 4, 5, 6 are 0.7mm thick carriers.
The rigidity testing method is a three-point bending method, the length and the width of a test sample are respectively 150mm and 65mm, the span is 110mm, the load is 1000g, the deformation of the test sample represents the rigidity of the laminated glass plate, and the larger the deformation is, the lower the rigidity is.
The measurement method of dislocation and glue leakage comprises the steps of vertically placing the laminated glass plate on the oil absorption paper, taking the glass support plate with larger size as a bottom support, and observing whether the glass support plate and the glass support plate are dislocated and whether glue leaks from the oil absorption paper after the laminated glass plate is placed for 48 hours.
The adhesion between the laminated glass plates was measured by a peel tester.
The measurement of the bubbles was performed using an edge light source inspection machine.
The light transmittance is measured by an ultraviolet-visible spectrophotometer.
The measurement was performed on a single-layer glass substrate plate obtained by a conventional down-draw method, and the data shown in table 3 was obtained.
TABLE 3
As can be seen from tables 1, 2 and 3, the laminated glass sheet and the single-layer glass substrate have similar rigidity and light transmittance when they have similar thicknesses.
The second aspect of the present application provides a laminated glass plate, as shown in fig. 1 and fig. 2, this laminated glass plate includes a glue layer 3 formed by a glass substrate 1, a carrier plate 2, a sealing film belt 4 and glue, the size of the carrier plate 2 is greater than the glass substrate 1 so that the glass substrate 1 can be completely disposed on the carrier plate 2, the sealing film belt 4 is disposed on the carrier plate 2 corresponding to the position of the edge of the glass substrate 1, the glue layer 3 covers the surrounding area formed by the sealing film belt 4, the glass substrate 1 is disposed on the carrier plate 2 and the outer edge of the sealing film belt 4 is exposed, the sealing film belt 4 has a broken portion to form an exhaust port 5, and the exhaust port 5 is filled with high temperature resistant glue.
The carrier plate 2 is a colorless transparent high-temperature resistant plate, the processing of the laminated glass plate in the subsequent process cannot be influenced by the colorless transparent carrier plate 2, and the high-temperature resistant characteristic enables the carrier plate 2 not to be influenced by high temperature in the subsequent process and the leveling treatment. Wherein the glass substrate 1 is composed of (58-65%) A SiO2, (0-15%) A B2O3, (15-22%) A Al2O3, (0-3%) A ZnO, (0-8%) A MgO, (2-10%) A CaO, (0-5%) A SrO, (0-10%) A BaO, (0-2%) A SnO, and (0-1%) A ZrO, and is represented by A (mass). The carrier plate 2 and the glass substrate 1 may be made of the same material.
The glue forming the glue layer is made of organic resin or silicone oil, so that the colorless and transparent glue layer is formed, the subsequent process of the laminated glass plate is not influenced, the viscosity of the glue is 100-2000cps at 25 ℃, and the glue is not cured below 450 ℃.
The sealing film belt is made of a polyimide film or an organic resin film, so that the elastic modulus of the sealing film belt is 1-3.5GPa, and the sealing film belt cannot deform at the temperature below 450 ℃.
As shown in fig. 1 and 2, the glass substrate 1 and the carrier plate 2 are rectangular, and 8 strip-shaped sealing film tapes 4 are provided on the carrier plate 2 in a broken state, so that exhaust ports 5 are formed at the positions of the four corners of the glass substrate 1 and an exhaust port 5 is formed at the middle position of each side of the glass substrate 1, so that air bubbles in the glue layer can be smoothly discharged. The air vents can be arranged in other manners, for example, more air vents are uniformly arranged on the sealing film strip 4, for example, 2 air vents can be respectively arranged at the positions of four edges of the glass substrate 1, so that air bubbles can be discharged more easily, but the limitation of the sealing film strip 4 on the glue layer 1 can be influenced by the arrangement of too many air vents, and therefore, a user can select the arrangement form of the air vents according to actual conditions.
Wherein the width of the sealing film strip is 5-10mm, and the thickness of the sealing film strip is 10-50 μm, preferably 10-35 μm, more preferably 10-30 μm; the width of the exhaust port is 5 to 50mm, preferably 5 to 30mm, more preferably 5 to 20 mm.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention. Including each of the specific features, are combined in any suitable manner. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.
Claims (10)
1. A method of manufacturing a laminated glass sheet, comprising:
arranging a sealing film belt on the position, corresponding to the edge of the glass substrate, of the plate surface of the carrier plate, wherein the sealing film belt is provided with a disconnected part to form an exhaust port;
coating glue in the surrounding area formed by the sealing film strip to form a glue layer;
the plate surface of the glass substrate is attached to the plate surface of the carrier plate so that the glass substrate is attached to the sealing film belt and the glue layer;
and plugging the exhaust port.
2. The method of claim 1, wherein after the glue is applied to the surrounding area formed by the sealing film strip, the support plate is placed in a leveling chamber to level the surface of the glue layer, and then the glass substrate is attached to the support plate.
3. The method for manufacturing a laminated glass sheet according to claim 2, wherein the temperature in the leveling chamber is 50 to 300 ℃ and the time for which the support sheet is subjected to the leveling treatment is 2 to 10 minutes.
4. The method for manufacturing a laminated glass sheet according to claim 2, wherein in the step of bonding the glass substrate to the carrier sheet:
putting the carrier plate into a vacuum chamber and vacuumizing to discharge bubbles in the glue layer,
and then the glass substrate which is placed in the vacuum chamber in advance is attached to the carrier plate.
5. The method of manufacturing a laminated glass sheet according to claim 4, wherein the vacuum chamber is evacuated to a pressure of 10 in the vacuum chamber-1-10-5Pa。
6. A method of manufacturing a laminated glass pane according to claim 1, characterised in that the sealing film strip is provided on the carrier plate by means of glue or by means of electrostatic connection,
and/or;
and in the step of plugging the air outlet, plugging the air outlet by using glue.
7. The method of manufacturing a laminated glass sheet according to claim 1,
the sealing film tape has a portion exposed outside the edge of the glass substrate,
and wherein:
the sealing film belt is a polyimide film or an organic resin film,
and/or;
and a protective film is arranged on the sealing film belt, and the protective film is removed before the step of attaching the glass substrate on the carrier plate.
8. The utility model provides a range upon range of glass board, its characterized in that, range upon range of glass board includes the glue layer that glass substrate, support plate, sealed membrane area and glue formed, the face size more than or equal to of support plate glass substrate so that glass substrate can set up completely on the support plate, sealed membrane area sets up the face of support plate corresponding to on the position at glass substrate's border, the glue layer covers in the surrounding area that sealed membrane area formed, glass substrate sets up on the support plate, sealed membrane area has the part of disconnection in order to form the gas vent, just it has glue to fill in the gas vent.
9. The laminated glass sheet according to claim 8, wherein the laminated glass sheet comprises at least one of:
the first method is as follows: the glue forming the glue layer is made of organic resin or silicone oil;
the second method comprises the following steps: the sealing film belt is a polyimide film or an organic resin film;
the third method comprises the following steps: the glass substrate has a mass A, wherein the glass substrate is composed of (58-65%) A SiO2And (0-15%) B of A2O3And (15-22%) Al of A2O3ZnO of (0-3%) A, (0-8%) MgO of A, (2-10%) CaO of A, (0-5%) SrO of A, (0-10%) BaO of A, (0-2%) SnO of A, and ZrO of (0-1%) A.
10. The laminated glass sheet of claim 8,
the sealing film tape is in a strip shape, and the sealing film tape has a portion exposed outside an edge of the glass substrate, and wherein:
the width of the sealing film strip is 5-10mm,
and/or;
the thickness of the sealing film strip is 10-50 μm.
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| CN202011307160.2A CN112571892A (en) | 2020-11-19 | 2020-11-19 | Laminated glass plate and method for manufacturing laminated glass plate |
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