CN114040669B - Laying method of micro metal mesh in glass interlayer and micro metal mesh film - Google Patents
Laying method of micro metal mesh in glass interlayer and micro metal mesh film Download PDFInfo
- Publication number
- CN114040669B CN114040669B CN202111282039.3A CN202111282039A CN114040669B CN 114040669 B CN114040669 B CN 114040669B CN 202111282039 A CN202111282039 A CN 202111282039A CN 114040669 B CN114040669 B CN 114040669B
- Authority
- CN
- China
- Prior art keywords
- micro
- metal net
- film
- organic interlayer
- glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/0086—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising a single discontinuous metallic layer on an electrically insulating supporting structure, e.g. metal grid, perforated metal foil, film, aggregated flakes, sintering
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
- H05K9/009—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive fibres, e.g. metal fibres, carbon fibres, metallised textile fibres, electro-conductive mesh, woven, non-woven mat, fleece, cross-linked
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Textile Engineering (AREA)
- Joining Of Glass To Other Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The application relates to a paving method of a micro metal net in a glass interlayer and a micro metal net film. The laying method comprises the following steps of forming an adhesion coating on a PET (polyethylene terephthalate) substrate, arranging a micro-metal net on the adhesion coating, forming a micro-metal net film by the PET substrate, the adhesion coating and the micro-metal net, transferring the micro-metal net of the micro-metal net film onto a first organic interlayer film, wherein the adhesion force between the micro-metal net and the adhesion coating is smaller than that between the micro-metal net and the first organic interlayer film, and forming the first organic interlayer film between laminated glass. According to the application, the adhesion coating is additionally arranged between the PET substrate and the micro-metal net, so that the detachable performance is increased between the micro-metal net and the PET substrate, the micro-metal net is transferred onto the first organic interlayer film, the relative structure of the micro-metal net and the first organic interlayer film is uniform, then the first organic interlayer film is laminated into the laminated glass, the optical performance of the final product is stable, and the optical deformation does not occur.
Description
Technical Field
The application relates to a paving method of a micro-metal net, in particular to a paving method of a micro-metal net in a glass interlayer and a micro-metal net film.
Background
The technology of paving metal nets in a common glass interlayer to enable the glass to obtain electromagnetic shielding performance is mature, but the metal nets paved by the existing paving method are all metal net grids visible to human eyes, and the metal net grids have great influence on the vision. In order to solve the problems, the prior art adopts a method of replacing a metal mesh with a micro-metal mesh, wherein the micro-metal mesh is a micro-scale or nano-scale mesh manufactured on a PET film serving as a base material, and the influence of the metal mesh on vision is solved by a principle that the micro-metal mesh has small influence on the vision.
In carrying out the present application, the applicant has found that the following problems remain with the laying of the micro-metallic mesh inside the glass interlayer:
1. In the hyperbolic glass lamination process, the micro metal net taking the PET film as the base material can generate serious optical distortion because the ductility of the PET film is poor and the hyperbolic can not be realized;
2. the PET film material is laminated in the organic material interlayer, so that ageing layering phenomenon is easy to occur, and the durability performance is affected.
Disclosure of Invention
The embodiment of the application provides a paving method of a micro metal net in a glass interlayer and a micro metal net film, which solve the problems that the existing micro metal net generates serious optical distortion and affects durability performance when being paved in the glass interlayer.
In order to solve the technical problems, the application is realized as follows:
In a first aspect, a method for laying a micro-metal mesh in a glass interlayer is provided, comprising the steps of forming an adhesion coating on a PET substrate, arranging the micro-metal mesh on the adhesion coating, forming a micro-metal mesh film by the PET substrate, the adhesion coating and the micro-metal mesh, transferring the micro-metal mesh of the micro-metal mesh film onto a first organic interlayer film, wherein the adhesion force between the micro-metal mesh and the adhesion coating is smaller than the adhesion force between the micro-metal mesh and the first organic interlayer film, and forming the first organic interlayer film between laminated glass.
In a first possible implementation manner of the first aspect, the transferring of the micro-metal net includes the steps of paving a first isolation film on a first base material, paving a first organic interlayer film on the first isolation film, placing the micro-metal net film on the first organic interlayer film with the micro-metal net facing the first organic interlayer film, paving a second isolation film on the micro-metal net film, pressing the second base material on the second isolation film to form a pre-laminated sheet, and sequentially performing vacuum pre-pressing and demolding on the pre-laminated sheet to obtain the first organic interlayer film with the micro-metal net pressed thereon.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the first substrate and the second substrate use a flat glass.
With reference to the first possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, when the pre-lamination is vacuum pre-pressed, the pre-lamination is first vacuumized and then placed into an oven for pre-pressing.
With reference to the first possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, after removing the first substrate, the second substrate, the first release film and the second release film when the pre-assembly sheet is removed from the mold, the PET substrate of the micro metal mesh film is uncovered to the first organic interlayer film imprinted with the micro metal mesh.
In a fifth possible implementation of the first aspect, the first organic interlayer film comprises a polyurethane material or a polyvinyl butyral material.
In a sixth possible implementation manner of the first aspect, forming the first organic interlayer film between the laminated glasses includes the steps of:
Paving a plurality of layers of second organic interlayer films between the two pieces of glass;
Arranging a first organic interlayer film between two layers of second organic interlayer films, so that two pieces of glass, multiple layers of second organic interlayer films and the first organic interlayer film form a combined film;
and (5) thermally pressing the sheet to obtain the laminated glass laid with the micro metal net.
With reference to the sixth possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, a curved glass is used for each glass sheet.
With reference to the first possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the electrical connection of the micro metal mesh is led out of the organic interlayer by adopting a welding or bonding manner so as to realize electrical grounding of the micro metal mesh.
In a second aspect, a micro-metal net film is provided, which comprises a PET substrate, an adhesion coating layer and a micro-metal net arranged on the adhesion coating layer, wherein the adhesion force between the micro-metal net and the adhesion coating layer is smaller than that between the micro-metal net and an organic interlayer film to be printed and transferred.
Compared with the prior art, the application has the advantages that:
According to the paving method of the micro metal net in the glass interlayer and the micro metal net film, the adhesion coating is additionally arranged between the PET substrate and the micro metal net, so that the release performance is increased between the micro metal net and the PET substrate, the micro metal net is transferred onto the first organic interlayer film, the relative structure of the micro metal net and the first organic interlayer film is uniform, then the first organic interlayer film is laminated into the laminated glass, and the micro metal net attached to the first organic interlayer film is stably and uniformly extended to a hyperboloid structure due to the fact that stable and uniform ductility can be provided for the micro metal net in the laminating process, the optical performance of a final product is stable, optical deformation does not occur, and the optical problem of the micro metal net in the hyperboloid laminating process is solved.
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 specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic flow chart of a method for laying a micro-metal net in a glass interlayer according to an embodiment of the present application;
FIG. 2 is a schematic view of a micro metal mesh film according to an embodiment of the present application;
FIG. 3 is a schematic view of a preform sheet according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a micro-metal mesh and a first organic interlayer film according to an embodiment of the present application;
fig. 5 is a schematic view of a laminated glass according to an embodiment of the present application.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the embodiments of the present application will be described in further detail with reference to the accompanying drawings.
For paving the micro-metal net in the glass interlayer, the prior method generally uses the PET film as a base material to laminate the micro-metal net in the hyperboloid glass, which can generate serious optical distortion because the PET film has poor ductility and can not realize hyperboloid, and can also easily generate aging delamination phenomenon because the PET film material is laminated in the organic material interlayer, thereby influencing the durability performance.
According to the method for paving the micro-metal net in the glass interlayer, the micro-metal net is transferred onto the organic interlayer film for lamination, and the optical problem of the micro-metal net in the hyperboloid lamination process is solved.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic flow chart of a method for laying a micro metal net in a glass interlayer according to an embodiment of the application, and fig. 2 is a schematic diagram of a micro metal net film according to an embodiment of the application. As shown in the figure, the paving method S of the micro metal mesh in the glass interlayer includes the following steps S1 to S4. Firstly, preparing a micro-metal net film 1, so that the release performance is improved between a micro-metal net 4 and a PET substrate 2. The method for preparing the micro metal mesh film 1 is described in the following steps S1 to S2.
In step S1, an adhesion coating 3 is formed on a PET substrate 2. Specifically, the material of the adhesion coating 3 is coated on the PET base material 2 to form the adhesion coating 3. Then in step S2, a micro metal mesh 4 is provided. The micro metal mesh 4 is arranged on the adhesion coating 3, and the PET substrate 2, the adhesion coating 3 and the micro metal mesh 4 form a micro metal mesh 4 film. The adhesion force between the micro metal net 4 and the adhesion coating 3 is smaller than the adhesion force between the micro metal net 4 and the organic interlayer film to be printed (namely, a first organic interlayer film 5 described below), so that the release performance is improved between the micro metal net 4 and the PET substrate 2.
Next, referring to fig. 3 and fig. 4, fig. 3 is a schematic diagram of a pre-laminated film according to an embodiment of the application, and fig. 4 is a schematic diagram of a micro metal mesh and a first organic interlayer film according to an embodiment of the application. As shown in the figure, the micro metal mesh 4 of the micro metal mesh film 1 prepared as described above is transferred onto the first organic interlayer film 5 to remove the PET substrate 2. The transfer printing method of the micro metal mesh 4 is referred to as the following step S3.
In step S3, the micro metal mesh 4 is transferred. The micro metal mesh 4 of the micro metal mesh 4 film is transferred onto the first organic interlayer film 5. Specifically, the first separator 42 and the first organic interlayer film 5 are sequentially laid on the first substrate 41, and the first separator 42 needs to have no adhesion with the first substrate 41 and the first organic interlayer film 5. The micro-metal net 4 film is placed on the first organic interlayer film 5, and the micro-metal net 4 faces the first organic interlayer film 5, so that the micro-metal net 4 is transferred onto the first organic interlayer film 5, and the first organic interlayer film 5 comprises polyurethane material or polyvinyl butyral material and the like and is suitable for glass interlayer materials.
As described above, a second separator 43 is laid on the micro metal mesh film 1, and a second substrate 44 is pressed against the second separator 43 to form a pre-laminated sheet 45. As the first substrate 41 and the second substrate 44, a sheet glass is used, and the second separator 43 needs to have no adhesion to the second separator 43 and the micro metal mesh film 1. Then, the pre-laminated sheet 45 is vacuumized, placed in an oven for vacuum pre-pressing, and finally the pre-laminated sheet 45 is removed, namely the first base material 41, the second base material 44, the first isolating film 42 and the second isolating film 43 are removed, so that the first organic interlayer film 5 with the micro-metal net 4 is obtained, as shown in fig. 4.
Finally, referring to fig. 5, fig. 5 is a schematic view of a laminated glass according to an embodiment of the application. As shown in the figure, the first organic interlayer film 5 obtained above is laminated between two pieces of glass, so as to achieve the purpose of laying a micro metal net in the glass interlayer. The lamination method of the first organic interlayer film 5 is referred to as the following step S4.
In step S4, the first organic interlayer film 5 is laminated. A first organic interlayer film 5 is formed between the laminated glasses. Specifically, a plurality of layers of second organic interlayer films 7 are paved between two pieces of glass 6, the first organic interlayer film 5 is arranged between two layers of second organic interlayer films 7, and the electric connection of the micro metal net 4 is led out of the organic interlayer by adopting a welding or bonding mode so as to realize the electric grounding of the micro metal net 4.
As described above, the two glasses 6, the multi-layer second organic interlayer film 7 and the first organic interlayer film 5 form a composite sheet. The second organic interlayer film 7 may be made of the same material as the first organic interlayer film 5, and each glass 6 is a curved glass, but not limited thereto. And (3) sending the laminated sheets into hot pressing equipment for hot pressing, and finishing the sandwich work of the product, thereby obtaining a finished product, namely the sandwich glass 8 paved with the micro metal net 4.
According to the paving method S of the micro metal net in the glass interlayer, the PET substrate 2 of the micro metal net 4 is transferred to the first organic interlayer film 5, so that the films around the metal net 4 are fused in the subsequent hot pressing process, the super-strong bonding performance of the micro metal net 4 and the second organic interlayer film 7 is realized, the ageing durability of the laminated glass 8 can be greatly improved, the influence of the PET substrate 2 on the optics and the durability in an organic interlayer is solved, and the light transmittance of the integral structure of the laminated glass 8 can be improved by removing the PET substrate 2.
In summary, the present application provides a method for laying a micro metal mesh in a glass interlayer and a micro metal mesh film, which adds an adhesion coating between a PET substrate and the micro metal mesh to increase the release performance between the micro metal mesh and the PET substrate, so as to transfer the micro metal mesh onto a first organic interlayer film, make the relative structure of the micro metal mesh and the first organic interlayer film uniform, and then laminate the first organic interlayer film into a laminated glass, thereby making the obtained laminated glass not include the PET substrate.
Meanwhile, the laminated glass can provide stable and uniform ductility for the micro metal net in the lamination process, so that the micro metal net attached to the first organic laminated film stably and uniformly extends to a hyperboloid structure, the optical performance of a final product is stable, optical deformation does not occur, and the optical problem of the micro metal net in the hyperboloid lamination process is solved.
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 one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are to be protected by the present application.
Claims (5)
1. The paving method of the micro metal net in the glass interlayer is characterized by comprising the following steps of:
forming an adhesion coating on a PET substrate;
arranging a micro-metal net on the adhesion coating, wherein the PET substrate, the adhesion coating and the micro-metal net form a micro-metal net film;
transferring the micro metal net of the micro metal net film onto a first organic interlayer film, wherein the bonding force between the micro metal net and the adhesive coating is smaller than that between the micro metal net and the first organic interlayer film;
Forming the first organic interlayer film between laminated glasses;
the transfer printing of the micro metal net comprises the following steps:
paving a first isolating film on a first base material;
paving a first organic interlayer film on the first isolating film;
placing the micro-metal net film on the first organic interlayer film, and enabling the micro-metal net to face the first organic interlayer film;
Paving a second isolating film on the micro metal net film;
Pressing a second substrate on the second isolating film to form a pre-lamination sheet;
Sequentially carrying out vacuum preloading and demolding on the pre-laminated sheet to obtain the first organic interlayer film with the micro metal net in a pressing mode, wherein when the pre-laminated sheet is subjected to vacuum preloading, firstly vacuumizing the pre-laminated sheet, then placing the pre-laminated sheet into an oven for prepressing, and when the pre-laminated sheet is demolded, removing the first base material, the second base material, the first isolating film and the second isolating film, and then uncovering the PET base material of the micro metal net film to obtain the first organic interlayer film with the micro metal net in a pressing mode;
forming the first organic interlayer film between the laminated glasses comprises the steps of:
Paving a plurality of layers of second organic interlayer films between the two pieces of glass;
arranging the first organic interlayer film transferred with the micro metal net between two layers of the second organic interlayer films, so that two pieces of glass, multiple layers of the second organic interlayer films and the first organic interlayer film form a combined piece;
and (5) hot-pressing the laminated glass to obtain the laminated glass laid with the micro metal net.
2. The method for laying a micro metal net in a glass interlayer according to claim 1, wherein a flat glass is used as the first substrate and the second substrate.
3. The method of laying a micro-metal net in a glass interlayer according to claim 1, wherein the first organic interlayer film comprises polyurethane material or polyvinyl butyral material.
4. The method for laying a micro metal net in a glass interlayer according to claim 1, wherein each glass sheet uses a curved glass.
5. The method for laying the micro-metal net in the glass interlayer according to claim 1, wherein the electrical connection of the micro-metal net is led out of the organic interlayer by adopting a welding or bonding mode to realize the electrical grounding of the micro-metal net during the lamination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111282039.3A CN114040669B (en) | 2021-11-01 | 2021-11-01 | Laying method of micro metal mesh in glass interlayer and micro metal mesh film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111282039.3A CN114040669B (en) | 2021-11-01 | 2021-11-01 | Laying method of micro metal mesh in glass interlayer and micro metal mesh film |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114040669A CN114040669A (en) | 2022-02-11 |
| CN114040669B true CN114040669B (en) | 2025-01-24 |
Family
ID=80142366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111282039.3A Active CN114040669B (en) | 2021-11-01 | 2021-11-01 | Laying method of micro metal mesh in glass interlayer and micro metal mesh film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114040669B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101194544A (en) * | 2005-06-02 | 2008-06-04 | 凸版印刷株式会社 | Electromagnetic wave shielding light transmission member and manufacturing method thereof |
| CN211745132U (en) * | 2020-03-15 | 2020-10-23 | 浙江聚丰玻璃有限公司 | Microwave radiation shielding hollow glass |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3776830B2 (en) * | 2002-05-15 | 2006-05-17 | 大日本印刷株式会社 | Card having optical diffraction layer and method for manufacturing the same |
| WO2010119838A1 (en) * | 2009-04-14 | 2010-10-21 | 戸田工業株式会社 | Transparent resin foil, method for producing same, and electromagnetic shielding material using the transparent resin foil |
-
2021
- 2021-11-01 CN CN202111282039.3A patent/CN114040669B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101194544A (en) * | 2005-06-02 | 2008-06-04 | 凸版印刷株式会社 | Electromagnetic wave shielding light transmission member and manufacturing method thereof |
| CN211745132U (en) * | 2020-03-15 | 2020-10-23 | 浙江聚丰玻璃有限公司 | Microwave radiation shielding hollow glass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114040669A (en) | 2022-02-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9925743B2 (en) | Process for laminating thin glass laminates | |
| US20150122406A1 (en) | Process for laminating thin glass laminates | |
| WO2009154060A1 (en) | Process for production of laminated glass interleaved with plastic film and laminated glass interleaved with plastic film | |
| JP2013521535A5 (en) | ||
| US20150101736A1 (en) | Method of Manufacturing Laminated Glass for Vehicle | |
| JPWO2011078137A1 (en) | Laminated glass and its manufacturing method | |
| JPS62208915A (en) | Bonded press pad for multi-layer interconnection plate | |
| CN112976753A (en) | Preparation method of composite board, composite board and electronic equipment | |
| CN114040669B (en) | Laying method of micro metal mesh in glass interlayer and micro metal mesh film | |
| JPWO2019150037A5 (en) | ||
| JP2001192246A (en) | Joined glass, its manufacturing method and manufacturing device | |
| CN100420981C (en) | Manufacturing method of optical low-pass filter | |
| CN105371702A (en) | Bullet-proof composite plate and manufacturing method thereof | |
| CN113226736A (en) | Functional film and functional laminated glass | |
| CN102867572A (en) | Lamination bus for high-power frequency conversion device and manufacture method thereof | |
| EP2489508B1 (en) | Laminated safety glazing with possibly perforated intermediate layer | |
| CN221149082U (en) | Liquid crystal dimming glass with asymmetric structure | |
| CN201068429Y (en) | Agglutinative glass for clip decorative material with surface of prefabricated concavo convex grain | |
| CN102963062B (en) | Composite board, metamaterial and machining methods thereof | |
| CN115172534B (en) | Processing method of photovoltaic module | |
| CN111746071A (en) | Photovoltaic bulletproof assembly and preparation method thereof | |
| CN214324460U (en) | Anti-static hardened plate | |
| CN212266908U (en) | A lightweight composite multi-layer glass | |
| WO2019008496A1 (en) | Method for bending and laminating thin glass with cover plate | |
| CN113795378A (en) | Method for producing a composite glass pane and composite glass pane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |