CN112157982A - Method for manufacturing ultrathin laminated glass - Google Patents
Method for manufacturing ultrathin laminated glass Download PDFInfo
- Publication number
- CN112157982A CN112157982A CN202011022804.3A CN202011022804A CN112157982A CN 112157982 A CN112157982 A CN 112157982A CN 202011022804 A CN202011022804 A CN 202011022804A CN 112157982 A CN112157982 A CN 112157982A
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- China
- Prior art keywords
- glass
- vacuum bag
- laminated body
- ultrathin
- ultra
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Classifications
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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
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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
- B32B37/1009—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 vacuum and fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
- B32B38/105—Removing layers, or parts of layers, mechanically or chemically on edges
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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
Abstract
The application relates to a manufacturing method of ultrathin laminated glass, which comprises the following steps: sequentially laminating a glass substrate, a film bonding layer, ultrathin glass, a Teflon film and a glass pressing plate together to form a laminated body; wrapping the laminated body, and putting the laminated body into a vacuum bag; vacuum pumping the vacuum bag at 15-30 deg.C and humidity of less than or equal to 55% to make the vacuum degree of the vacuum bag at 0.08-0.1 Mpa; horizontally placing a vacuum bag in the high-pressure kettle, setting parameters of the high-pressure kettle, and pressurizing the laminated body at high temperature; and taking out the vacuum bag, taking out the laminated body, and removing the glass pressing plate and the Teflon film to obtain the ultrathin laminated glass. This application has placed the glass clamp plate on ultra-thin glass, when carrying out high temperature pressurization to the lamination body for can perfectly laminate between ultra-thin glass and the film tie coat, solve the problem that the ripple appears easily in ultra-thin glass when production, this application can also avoid simultaneously getting the glass clamp plate and lead to ultra-thin glass surface injury because of lifting.
Description
Technical Field
The application relates to laminated glass, in particular to a manufacturing method of ultrathin laminated glass.
Background
The laminated glass is formed by firmly bonding two or more pieces of glass by transparent elastic films, and the technology is mature in the market at present, so that the original laminated glass process cannot meet the market expectation due to development requirements, for example, the weight and the thickness are reduced as much as possible on the basis of original performance. Therefore, ultrathin laminated glass is produced, the thickness of the ultrathin glass is generally less than 1mm, and the whole weight and thickness are greatly reduced on the basis of the performance of the original laminated glass.
In the course of implementing the present application, the applicant has found that the prior art has at least the following technical problems:
1. when the ultrathin laminated glass is produced according to the existing laminated glass process, the peripheral edge of the glass cannot be subjected to glue overflowing treatment, so that a height difference is formed during production, and the edge of the glass is easy to crack;
2. because the weight of the ultrathin glass is light, the ultrathin glass can follow the film to form raised grains in the process of laminating the film.
Disclosure of Invention
The embodiment of the application provides a manufacturing method of ultrathin laminated glass, and solves the problems that when the ultrathin laminated glass is produced by the existing laminated glass process, the ultrathin glass can form wavy stripes along with a film, and the edge of the ultrathin laminated glass is easy to crack.
In order to solve the above technical problem, the present application is implemented as follows:
in a first aspect, a method for manufacturing an ultrathin laminated glass is provided, which comprises the following steps: sequentially laminating a glass substrate, a film bonding layer, ultrathin glass, a Teflon film and a glass pressing plate together to form a laminated body; wrapping the laminated body, and putting the laminated body into a vacuum bag; vacuum pumping the vacuum bag at 15-30 deg.C and humidity of less than or equal to 55% to make the vacuum degree of the vacuum bag at 0.08-0.1 Mpa; horizontally placing a vacuum bag in the high-pressure kettle, setting parameters of the high-pressure kettle, and pressurizing the laminated body at high temperature; and taking out the vacuum bag, taking out the laminated body, and removing the glass pressing plate and the Teflon film to obtain the ultrathin laminated glass.
In a first possible implementation manner of the first aspect, the film adhesive layer has an outer dimension that is the same as or 1mm larger than that of the ultra-thin glass.
In a second possible implementation manner of the first aspect, the size of the teflon film cut is 300mm larger than that of the ultra-thin glass, and the part of the teflon film cut beyond the glass pressing plate is folded upwards and fixed on the glass pressing plate through the adhesive tape.
In a third possible implementation manner of the first aspect, the size of the glass pressing plate is 1mm larger than that of the ultra-thin glass, and the thickness of the glass pressing plate is 2 mm.
In a fourth possible implementation of the first aspect, the vacuum bag is made of a polyurethane film.
With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the step of preparing the vacuum bag comprises the following steps: cutting the polyurethane film to make the length of the polyurethane film larger than twice of the length of the laminated body by 600-800mm and the width of the polyurethane film larger than twice of the width of the laminated body by 300-500 mm; the polyurethane film was folded in half and the edges were sealed to form a vacuum bag.
In a sixth possible implementation manner of the first aspect, if the size of the glass substrate is larger than that of the ultra-thin glass, when the laminated body is placed in the vacuum bag, the L-shaped rubber strips are placed on the glass substrate at positions corresponding to four corners of the ultra-thin glass; if the size of the glass substrate is the same as that of the ultra-thin glass, the periphery of the laminate is surrounded by rubber pads.
In a seventh possible implementation of the first aspect, the vacuum is drawn from the vacuum bag for a period of 8-10 hours.
In an eighth possible implementation manner of the first aspect, the parameters of the autoclave are set to firstly heat to 50 ℃ and simultaneously pressurize to 0.1Mpa, after holding for 30 minutes, heat to 80 ℃ and pressurize to 0.5Mpa, after holding for 30 minutes, heat to 110 ℃ and pressurize to 1.2Mpa, after holding for 90 minutes, cool to 32 ℃ and gradually depressurize, and hold for 50 minutes to make the depressurization force to 0.
With reference to the eighth possible implementation manner of the first aspect, in a ninth possible implementation manner of the first aspect, the temperature increasing rate of the autoclave is set to 1 ℃/min, and the temperature decreasing rate is set to 1 ℃/min.
Compared with the prior art, the application has the advantages that:
the application discloses ultra-thin laminated glass's manufacturing method, it has placed the glass clamp plate on ultra-thin glass, when carrying out high temperature pressurization to the lamination body, make can perfectly laminate between ultra-thin glass and the film tie coat, solve the problem that ultra-thin glass appears the raised grain easily when production, this application still is provided with the Teflon membrane between ultra-thin glass and glass clamp plate simultaneously, so conveniently lift the glass clamp plate in the production later stage, avoid because of lifting and get the glass clamp plate and lead to ultra-thin glass surface injury.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a flowchart illustrating steps of a method for manufacturing an ultra-thin laminated glass according to a first embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Please refer to fig. 1, which is a flowchart illustrating a method for manufacturing an ultra-thin laminated glass according to a first embodiment of the present application; as shown in the figure, the method 1 for manufacturing the ultra-thin laminated glass includes the following steps 101 to 105, wherein:
and 101, sequentially laminating a glass substrate, a film bonding layer, ultra-thin glass, a Teflon film and a glass pressing plate together to form a laminated body.
Specifically, select the glass clamp plate that thickness is 2mm for use, and cut it, make the glass clamp plate size 1mm bigger than ultra-thin glass size, then select the film tie coat of corresponding thickness for use according to ultra-thin glass thickness, and tailor the film tie coat, make the overall dimension of film tie coat the same with ultra-thin glass's overall dimension or 1mm bigger than ultra-thin glass's overall dimension, tailor the Teflon membrane simultaneously, make the size of Teflon membrane 300mm bigger than ultra-thin glass's size, in order to guarantee that it can completely cover between ultra-thin glass and the glass clamp plate, then with glass substrate, film tie coat, ultra-thin glass, Teflon membrane and glass clamp plate superpose together in proper order, form the lamination body, and the part that Teflon membrane cuts out the glass clamp plate turns over upwards and is fixed in on the glass clamp plate through the sticky tape. It should be noted that the overall dimension of the film bonding layer may not be smaller than that of the ultra-thin glass, so as to prevent the film bonding layer from breaking during subsequent vacuum-pumping.
Specifically, the edges of the film bonding layers of the laminated body are wrapped by using a piece of film removing cloth and fixed by using a high-temperature adhesive tape so as to better extract air during vacuum pumping, and if the size of the glass base material is larger than that of the ultrathin glass, namely the glass base plate and the ultrathin glass are not in a step shape, L-shaped rubber strips are placed on the glass base plate corresponding to the four corners of the ultrathin glass; if the size of the glass substrate is the same as that of the ultrathin glass, the rubber cushion block is adopted to surround the periphery of the laminated body to prevent glue overflow.
Meanwhile, cutting the polyurethane film to make the length of the polyurethane film larger than twice of the length of the laminated body by 600-800mm and the width of the polyurethane film larger than twice of the width of the laminated body by 300-500mm, then putting the laminated body into the polyurethane film, folding the polyurethane film in half, and sealing the folded edge by using a sealing adhesive tape to form a vacuum bag, wherein the laminated body is positioned in the vacuum bag.
103, extracting vacuum in the vacuum bag under the environment that the temperature is 15-30 ℃ and the humidity is less than or equal to 55 percent, so that the vacuum degree of the vacuum bag is 0.08-0.1 Mpa.
Specifically, the vacuum bag is vacuumized under the environment that the temperature is controlled to be 15-30 ℃ and the humidity is less than or equal to 55%, the vacuum degree is controlled to be 0.08-0.1Mpa, and the vacuumization time is 8-10 hours, such as 8 hours, 9 hours or 10 hours.
And step 104, horizontally placing the vacuum bag in an autoclave, setting autoclave parameters, and pressurizing the laminated body at high temperature.
Specifically, the vacuum bag after vacuum pumping in the step 103 is horizontally placed in an autoclave, parameters of the autoclave are set to be firstly heated to 50 ℃ and simultaneously pressurized to 0.1Mpa, the autoclave is kept for 30 minutes, then heated to 80 ℃ and pressurized to 0.5Mpa, the autoclave is continuously heated to 110 ℃ and pressurized to 1.2Mpa after being kept for 30 minutes, the autoclave is kept for 90 minutes, then cooled to 32 ℃ and gradually depressurized, the depressurization force is kept for 50 minutes to be 0, and thus the heating-pressurizing-constant temperature-cooling-depressurization process is completed on the laminated body, wherein the first heating rate of the autoclave is set to be 1 ℃/minute, and the depressurization rate is set to be 1 ℃/minute.
And 105, taking out the vacuum bag, taking out the laminated body, and removing the glass pressing plate and the Teflon film to obtain the ultrathin laminated glass.
Specifically, the vacuum bag is taken out from the autoclave, the polyurethane film is removed, an air gun is used for blowing air to the edge of the laminated body, air enters the Teflon film layer, then the glass pressing plate is lifted, and the glass pressing plate and the Teflon film are removed, so that the ultrathin laminated glass is obtained.
To sum up, the application provides a manufacturing method of ultra-thin laminated glass, it has placed the glass clamp plate on ultra-thin glass, when carrying out high temperature pressurization to the lamination body, make can perfectly laminate between ultra-thin glass and the film tie coat, solve the problem that ultra-thin glass appears the raised grain easily when producing, this application still is provided with the Teflon membrane between ultra-thin glass and glass clamp plate simultaneously, so conveniently lift the glass clamp plate in the production later stage, avoid because of lifting and get the glass clamp plate and lead to ultra-thin glass surface injury. This application still increases the rubber cushion at the periphery of lamination body simultaneously, because of the film overflows during reduction production, leads to the cracked problem of ultra-thin glass.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The manufacturing method of the ultrathin laminated glass is characterized by comprising the following steps of:
sequentially laminating a glass substrate, a film bonding layer, ultrathin glass, a Teflon film and a glass pressing plate together to form a laminated body;
wrapping the laminated body and putting the laminated body into a vacuum bag;
vacuumizing the vacuum bag under the environment that the temperature is 15-30 ℃ and the humidity is less than or equal to 55% to ensure that the vacuum degree of the vacuum bag is 0.08-0.1 Mpa;
horizontally placing the vacuum bag in an autoclave, setting autoclave parameters, and pressurizing the laminated body at high temperature;
and taking out the vacuum bag, taking out the laminated body, and removing the glass pressing plate and the Teflon film to obtain the ultrathin laminated glass.
2. The method of claim 1, wherein the film adhesive layer has an outer dimension equal to or 1mm larger than an outer dimension of the ultra-thin glass.
3. The method for manufacturing the ultrathin laminated glass as claimed in claim 1, wherein the size of the Teflon film is 300mm larger than that of the ultrathin glass, and the part of the Teflon film, which exceeds the glass pressing plate, is folded upwards and fixed on the glass pressing plate through an adhesive tape.
4. The method for manufacturing the ultra-thin laminated glass according to claim 1, wherein the size of the glass pressing plate is 1mm larger than that of the ultra-thin glass, and the thickness of the glass pressing plate is 2 mm.
5. The method of claim 1, wherein the vacuum bag is made of a polyurethane film.
6. The method for manufacturing ultrathin laminated glass according to claim 5, wherein the step of preparing the vacuum bag comprises the following steps:
cutting the polyurethane film to make the length of the polyurethane film larger than twice of the length of the laminated body by 600-800mm, and the width of the polyurethane film larger than twice of the width of the laminated body by 300-500 mm;
and folding the polyurethane film in half, and sealing the edges of the polyurethane film to form the vacuum bag.
7. The method according to claim 1, wherein if the size of the glass substrate is larger than that of the ultra-thin glass, when the laminated body is placed in the vacuum bag, L-shaped rubber strips are placed on the glass substrate at positions corresponding to four corners of the ultra-thin glass; and if the size of the glass substrate is the same as that of the ultrathin glass, surrounding the periphery of the laminated body by using a rubber cushion block.
8. The method for manufacturing the ultrathin laminated glass as claimed in claim 1, wherein the vacuum bag is vacuumized for 8-10 hours.
9. The method of claim 1, wherein the autoclave is further heated to 50 ℃ and pressurized to 0.1Mpa simultaneously, held for 30 minutes, then heated to 80 ℃ and pressurized to 0.5Mpa, held for 30 minutes, then heated to 110 ℃ and pressurized to 1.2Mpa, held for 90 minutes, then cooled to 32 ℃ and gradually depressurized, and held for 50 minutes to reduce the depressurization force to 0.
10. The method for manufacturing the ultrathin laminated glass as claimed in claim 9, wherein the first temperature rise rate of the autoclave is set to 1 ℃/min, and the temperature fall rate is set to 1 ℃/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022804.3A CN112157982A (en) | 2020-09-25 | 2020-09-25 | Method for manufacturing ultrathin laminated glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011022804.3A CN112157982A (en) | 2020-09-25 | 2020-09-25 | Method for manufacturing ultrathin laminated glass |
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| Publication Number | Publication Date |
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| CN112157982A true CN112157982A (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011022804.3A Pending CN112157982A (en) | 2020-09-25 | 2020-09-25 | Method for manufacturing ultrathin laminated glass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345973A (en) * | 2021-05-20 | 2021-09-03 | 固德威电源科技(广德)有限公司 | Laminating method of small BIPV double-glass photovoltaic product |
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| CN110320697A (en) * | 2019-07-04 | 2019-10-11 | 福耀玻璃工业集团股份有限公司 | A kind of production method of dimming laminated glass |
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2020
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Patent Citations (8)
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|---|---|---|---|---|
| JP2006016265A (en) * | 2004-07-02 | 2006-01-19 | Fujitsu Hitachi Plasma Display Ltd | Method for relieving deformation of glass platen |
| CN103140058A (en) * | 2011-11-23 | 2013-06-05 | 无锡江南计算技术研究所 | Glue overflow control method of laminar structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113345973A (en) * | 2021-05-20 | 2021-09-03 | 固德威电源科技(广德)有限公司 | Laminating method of small BIPV double-glass photovoltaic product |
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