Antistatic high-transparency polycarbonate film
By designing a multi-layer structure in a polycarbonate film, including waterproof, transparent conductive and antistatic layers, the dust contamination caused by static electricity is solved, the cleanliness and antibacterial properties of the film are improved, and the high transparency and waterproof properties are maintained.
Patent Information
- Application Number
- CN202420718211.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-04-09
AI Technical Summary
Polycarbonate films are easily contaminated with static electricity during use, reducing their aesthetics and effectiveness.
Anti-static high-permeability polycarbonate film with a multi-layer structure includes a base layer, an adhesive layer, a functional layer and a surface antibacterial layer. The functional layer includes a waterproof layer, a transparent reinforcement layer, a transparent conductive layer and an antistatic layer, which conducts transparently. Layers and antistatic layers reduce static accumulation and prevent dust adsorption.
Effectively maintain the cleanliness and high transparency of the film, enhance waterproofing performance, and provide long-term antibacterial protection without affecting the overall thickness and aesthetics of the film.
Smart Images

Figure CN222201938U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polycarbonate films, in particular to an antistatic high-permeability polycarbonate film. Background Art
[0002] Polycarbonate is referred to as PC, which has excellent performance in all aspects. Polycarbonate film or PC film is made of polycarbonate resin as the base material. It is dimensionally stable, UV-resistant, extremely tough, high-strength, not easy to tear and break, easy to bond, easy to print, and has good formability. It is used for screen printing of various signs and is suitable for processing methods such as IMD, blistering, lamination, and lamination.
[0003] In the related art, when using the film, the film is easily contaminated with dust due to static electricity, which not only reduces the aesthetics of the film, but also has a certain degree of impact on the use of the film, thereby reducing the effect of the use of the polycarbonate film. For this reason, we propose an antistatic and highly permeable polycarbonate film.
[0004] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content
[0005] The purpose of the utility model is to provide an antistatic and highly permeable polycarbonate film to solve the problem raised in the above-mentioned background technology that when using the film, the film is easily contaminated with dust due to static electricity, which not only reduces the aesthetics of the film, but also has a certain degree of influence on the use of the film, thereby reducing the effect of the use of the polycarbonate film.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] An antistatic high-transmittance polycarbonate film comprises a base layer, an adhesive layer, a functional layer and a surface antibacterial layer, wherein the upper end of the base layer is laminated and fixed with an adhesive layer, the upper end of the adhesive layer is coated and fixed with a first intermediate layer, the upper end of the first intermediate layer is laminated and fixed with a functional layer, the upper end of the functional layer is laminated, connected and fixed with a second intermediate layer, the upper end of the second intermediate layer is laminated and fixed with a hardening layer, the upper end surface of the hardening layer is coated with a surface antibacterial layer, and the functional layer comprises a waterproof layer, a transparent reinforcing layer, a transparent conductive layer and an antistatic layer.
[0008] In some embodiments, the base layer is a multi-layer nanocomposite polycarbonate layer, the thickness of the base layer is 120 microns, and the adhesive layer is a polyurethane adhesive layer, the thickness of the adhesive layer is 20 microns.
[0009] In some embodiments, a waterproof layer is laminated and fixed on the upper end of the first intermediate layer, a transparent reinforcing layer is coated and fixed on the upper end of the waterproof layer, a transparent conductive layer is coated and fixed on the upper end of the transparent reinforcing layer, and an antistatic layer is laminated on the upper end of the transparent conductive layer.
[0010] In some embodiments, the waterproof layer is a polyvinylidene fluoride layer, the thickness of the waterproof layer is 50 micrometers, the transparent reinforcement layer is a layer coated with carbon nanotubes, and the thickness of the transparent reinforcement layer is 60 micrometers.
[0011] In some embodiments, the transparent conductive layer is an indium tin oxide transparent conductive layer, the thickness of the transparent conductive layer is 100 nanometers, the antistatic layer is a polyaniline composite layer, the thickness of the antistatic layer is 10 micrometers.
[0012] In some embodiments, the first intermediate layer is a polyacrylate intermediate layer, the second intermediate layer is a polyurethane intermediate layer, the thickness of the first intermediate layer and the second intermediate layer is 10 microns, the hardened layer is an acrylic resin layer, the thickness of the hardened layer is 10 microns, the surface antibacterial layer is a nanosilver antibacterial layer, and the thickness of the surface antibacterial layer is 5 microns.
[0013] The beneficial effects of the utility model are:
[0014] The multi-layer nano-composite polycarbonate base layer provides the basic strength and stability of the film while maintaining good transparency; the polyurethane adhesive layer ensures a strong bond with the base layer and the middle layer; the polyvinylidene fluoride waterproof layer increases the waterproof performance of the film, and its thin design ensures that it will not have too much impact on the overall thickness of the film; the setting of the transparent reinforcement layer and the transparent conductive layer provides good conductive properties and maintains the high transparency of the film; the antistatic layer effectively reduces static electricity accumulation, prevents dust adsorption, and helps keep the film clean; the surface antibacterial layer provides long-lasting antibacterial protection, helping to prevent bacterial growth and spread. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural cross-sectional view of an antistatic high-transmittance polycarbonate film proposed by the utility model;
[0016] Figure 2 This is a cross-sectional view of the functional layer structure of an antistatic high-transmittance polycarbonate film proposed by the utility model.
[0017] In the figure: 1 is the base layer, 2 is the adhesive layer, 3 is the first intermediate layer, 4 is the functional layer, 5 is the second intermediate layer, 6 is the hardening layer, 7 is the surface antibacterial layer, 8 is the waterproof layer, 9 is the transparent reinforcement layer, 10 is the transparent conductive layer, and 11 is the antistatic layer. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0019] It should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.
[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0021] Reference Figure 1 , 2 An antistatic high-permeability polycarbonate film comprises a base layer 1, an adhesive layer 2, a functional layer 4 and a surface antibacterial layer 7, the upper end of the base layer 1 is laminated and fixed with the adhesive layer 2, the upper end of the adhesive layer 2 is coated and fixed with the first intermediate layer 3, the upper end of the first intermediate layer 3 is laminated and fixed with the functional layer 4, the upper end of the functional layer 4 is laminated, connected and fixed with the second intermediate layer 5, the upper end of the second intermediate layer 5 is laminated and fixed with the hardening layer 6, the upper end surface of the hardening layer 6 is coated with the surface antibacterial layer 7, the functional layer 4 comprises a waterproof layer 8, a transparent reinforcement layer 9, a transparent conductive layer 10 and an antistatic layer 11, the first intermediate layer 3 can provide additional structural support and serve as the basis of the waterproof layer 8.
[0022] When the embodiments of the present utility model are implemented, Figure 1 , 2 As shown, the base layer 1 is a multi-layer nano-composite polycarbonate layer, the thickness of the base layer 1 is 120 microns, the adhesive layer 2 is a polyurethane adhesive layer, the thickness of the adhesive layer 2 is 20 microns, the base layer 1 provides sufficient strength and stability while maintaining sufficient transparency, and the adhesive layer 2 can ensure good bonding with the base layer 1 and the first intermediate layer 3.
[0023] When the embodiments of the present utility model are implemented, Figure 1 , 2 As shown, a waterproof layer 8 is laminated and fixedly provided on the upper end of the first intermediate layer 3, a transparent reinforcing layer 9 is coated and provided on the upper end of the waterproof layer 8, a transparent conductive layer 10 is coated and fixedly provided on the upper end of the transparent reinforcing layer 9, an antistatic layer 11 is laminated and provided on the upper end of the transparent conductive layer 10, the waterproof layer 8 is a polyvinylidene fluoride layer, the thickness of the waterproof layer 8 is 50 microns, the transparent reinforcing layer 9 is coated and provided with a carbon nanotube layer, the thickness of the transparent reinforcing layer 9 is 60 microns, and the 50-micron waterproof layer 8 can improve the waterproof function without excessively affecting the thickness of the film, and the transparent conductive layer 10 maintains high transparency while providing good conductive properties.
[0024] When the embodiments of the present utility model are implemented, Figure 1 , 2 As shown, the transparent conductive layer 10 is an indium tin oxide transparent conductive layer, and the thickness of the transparent conductive layer 10 is 100 nanometers. The antistatic layer 11 is a polyaniline composite layer, and the thickness of the antistatic layer 11 is 10 micrometers. The first intermediate layer 3 is a polyacrylate intermediate layer, and the second intermediate layer 5 is a polyurethane intermediate layer. The thickness of the first intermediate layer 3 and the second intermediate layer 5 is 10 micrometers. The hardening layer 6 is an acrylic resin layer, and the thickness of the hardening layer 6 is 10 micrometers. The surface antibacterial layer 7 is a nano silver antibacterial layer, and the thickness of the surface antibacterial layer 7 is 5 micrometers. The antistatic layer 11 can effectively reduce static electricity accumulation and prevent dust adsorption. The surface antibacterial layer 7 can improve long-term antibacterial protection.
[0025] In this embodiment, the base layer 1 is composed of a multilayer nano-composite polycarbonate with a thickness of 120 microns, which provides basic strength and stability of the film while maintaining transparency; the adhesive layer 2 is 20 microns thick, ensuring good adhesion with the base layer 1 and the first intermediate layer 3; the first intermediate layer 3 serves as a structural support, and a waterproof layer 8 is connected to the upper end, which is a polyvinylidene fluoride layer with a thickness of 50 microns to provide a waterproof function; the transparent reinforcement layer is a carbon nanotube layer with a thickness of 90 microns, which enhances the structural strength of the film while maintaining transparency; the indium tin oxide transparent conductive layer has a thickness of 100 nanometers, which provides good conductivity while maintaining high transparency; the antistatic layer 11 is a polyaniline composite layer with a thickness of 10 microns, which effectively reduces static electricity accumulation and prevents dust adsorption; the polyurethane intermediate layer has a thickness of 10 microns, which provides additional structural support; the hardening layer 6 is an acrylic resin layer with a thickness of 10 microns, which increases the durability of the film; the surface antibacterial layer 7 is a nano-silver antibacterial layer with a thickness of 5 microns, which provides long-term antibacterial protection.
[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An antistatic high-transmittance polycarbonate film, comprising a base layer (1), an adhesive layer (2), a functional layer (4) and a surface antibacterial layer (7), characterized in that: The upper end of the base layer (1) is laminated and fixed with an adhesive layer (2), the upper end of the adhesive layer (2) is coated and fixed with a first intermediate layer (3), the upper end of the first intermediate layer (3) is laminated and fixed with a functional layer (4), the upper end of the functional layer (4) is laminated, connected and fixed with a second intermediate layer (5), the upper end of the second intermediate layer (5) is laminated and fixed with a hardening layer (6), the upper end surface of the hardening layer (6) is coated with a surface antibacterial layer (7), and the functional layer (4) comprises a waterproof layer (8), a transparent reinforcing layer (9), a transparent conductive layer (10) and an antistatic layer (11).
2. The antistatic high-transmittance polycarbonate film according to claim 1, characterized in that: The base layer (1) is a multi-layer nanocomposite polycarbonate layer, and the thickness of the base layer (1) is 120 micrometers. The adhesive layer (2) is a polyurethane adhesive layer, and the thickness of the adhesive layer (2) is 20 micrometers.
3. The antistatic high-transmittance polycarbonate film according to claim 1, characterized in that: A waterproof layer (8) is laminated and fixedly provided on the upper end of the first intermediate layer (3), a transparent reinforcing layer (9) is coated and provided on the upper end of the waterproof layer (8), a transparent conductive layer (10) is coated and fixedly provided on the upper end of the transparent reinforcing layer (9), and an antistatic layer (11) is laminated and provided on the upper end of the transparent conductive layer (10).
4. The antistatic high-transmittance polycarbonate film according to claim 1, characterized in that: The waterproof layer (8) is a polyvinylidene fluoride layer, and the thickness of the waterproof layer (8) is 50 micrometers. The transparent reinforcement layer (9) is a layer coated with carbon nanotubes, and the thickness of the transparent reinforcement layer (9) is 60 micrometers.
5. The antistatic high-transmittance polycarbonate film according to claim 1, characterized in that: The transparent conductive layer (10) is an indium tin oxide transparent conductive layer, the thickness of the transparent conductive layer (10) is 100 nanometers, the antistatic layer (11) is a polyaniline composite layer, the thickness of the antistatic layer (11) is 10 micrometers.
6. The antistatic high-transmittance polycarbonate film according to claim 1, characterized in that: The first intermediate layer (3) is a polyacrylate intermediate layer, the second intermediate layer (5) is a polyurethane intermediate layer, the thickness of the first intermediate layer (3) and the second intermediate layer (5) is 10 microns, the hardening layer (6) is an acrylic resin layer, the thickness of the hardening layer (6) is 10 microns, and the surface antibacterial layer (7) is a nano silver antibacterial layer, and the thickness of the surface antibacterial layer (7) is 5 microns.
