Polypropylene film for low-moisture capacitor
By introducing wear-resistant, anti-aging and high-temperature layers into the polypropylene film for low-moisture capacitors, the problem of aging and damage of polypropylene film during long-term use is solved, and the service life and high-temperature resistance are improved.
Patent Information
- Application Number
- CN202323322146.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-06
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2033-12-06
AI Technical Summary
The existing polypropylene films for low moisture capacitors lack the anti-aging function, which leads to prone to aging and damage during long-term use, affecting service life.
Polypropylene films with multi-layer structures include wear-resistant layer (nylon film), anti-aging layer (PET, PVC and polystyrene film layers) and high-temperature layer (PEEK film) to improve the wear-resistant and anti-aging of the films. and high temperature performance.
It effectively extends the service life of the film, avoids aging and damage, and improves the tolerance to high temperatures, solving the aging problem.
Smart Images
Figure CN222346475U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of films, in particular to a polypropylene film for low-moisture capacitors. Background Art
[0002] Film is a thin, soft, transparent sheet. Made of plastic, adhesive, rubber or other materials. The scientific explanation of film is: a 2D material formed by atoms, molecules or ions deposited on the surface of a substrate. Examples: optical film, composite film, superconducting film, polyester film, nylon film, plastic film, etc. Film is widely used in electronics, machinery, printing and other industries, but the current low-moisture capacitor polypropylene film does not have anti-aging function, which makes it easy to age and break during long-term use, affecting the service life. For this reason, we propose a low-moisture capacitor polypropylene film. Utility Model Content
[0003] The utility model aims to provide a polypropylene film for low-moisture capacitors, which has the advantage of anti-aging function and solves the problem that the existing polypropylene film for low-moisture capacitors does not have anti-aging function, resulting in easy aging and damage during long-term use, thus affecting the service life.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polypropylene film for low-moisture capacitors, comprising a film body, wherein the film body comprises a wear-resistant layer, an anti-aging layer, a high-temperature resistant layer and a substrate layer, wherein the wear-resistant layer is a nylon film, and the anti-aging layer comprises a PET film layer, a PVC film layer and a polystyrene film layer.
[0005] Preferably, the wear-resistant layer is located outside the anti-aging layer, the anti-aging layer is located outside the high-temperature resistant layer, and the high-temperature resistant layer is located outside the substrate layer.
[0006] Preferably, the PET film layer is located outside the PVC film layer, and the PVC film layer is located outside the polystyrene film layer.
[0007] Preferably, the high temperature resistant layer is a PEEK film, and the base material layer is a polypropylene film.
[0008] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0009] The utility model can prevent the film body from being easily worn during long-term use by the wear-resistant layer, and can increase the service life. The PET film layer, the PVC film layer and the polystyrene film layer are used, and a variety of different anti-aging materials are adopted, which can effectively improve the anti-aging effect, prevent the film body from being aged and damaged during long-term use, and can increase the service life. The high-temperature resistant layer can make the film body have good high-temperature resistance, and can prevent the film body from being damaged by high temperature, and can increase the service life. The utility model solves the problem that the existing polypropylene film for low-moisture capacitors does not have an anti-aging function, which leads to easy aging and damage during long-term use, affecting the service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the utility model;
[0011] Figure 2 This is a schematic diagram of the structure of the film body of the utility model;
[0012] Figure 3 This is a schematic diagram of the anti-aging layer structure of the utility model.
[0013] In the figure: 1, film body; 2, wear-resistant layer; 3, anti-aging layer; 301, PET film layer; 302, PVC film layer; 303, polystyrene film layer; 4, high temperature resistant layer; 5, substrate layer. DETAILED DESCRIPTION
[0014] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0015] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0017] See also Figure 1-3 A polypropylene film for a low-moisture capacitor comprises a film body 1, wherein the film body 1 comprises a wear-resistant layer 2, an anti-aging layer 3, a high-temperature resistant layer 4 and a substrate layer 5, wherein the wear-resistant layer 2 is a nylon film, the anti-aging layer 3 comprises a PET film layer 301, a PVC film layer 302 and a polystyrene film layer 303, the wear-resistant layer 2 is located outside the anti-aging layer 3, the anti-aging layer 3 is located outside the high-temperature resistant layer 4, the high-temperature resistant layer 4 is located outside the substrate layer 5, the PET film layer 301 is located outside the PVC film layer 302, the PVC film layer 302 is located outside the polystyrene film layer 303, the high-temperature resistant layer 4 is a PEEK film, and the substrate layer 5 is a polypropylene film.
[0018] When in use, the wear-resistant layer 2 can prevent the film body 1 from being easily worn during long-term use, and the service life can be improved. The PET film layer 301, the PVC film layer 302 and the polystyrene film layer 303 are used, and a variety of different anti-aging materials are used to effectively improve the anti-aging effect, and prevent the film body 1 from being aged and damaged during long-term use, and the service life can be improved. The high-temperature resistant layer 4 can make the film body 1 have good high-temperature resistance, and can prevent the film body 1 from being damaged by high temperature, and the service life can be improved. This solves the problem that the current polypropylene film for low-moisture capacitors does not have an anti-aging function, resulting in easy aging and damage during long-term use, affecting the service life.
[0019] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A polypropylene film for low-moisture capacitors, comprising a film body (1), characterized in that: The film body (1) comprises a wear-resistant layer (2), an anti-aging layer (3), a high-temperature resistant layer (4) and a substrate layer (5); the wear-resistant layer (2) is a nylon film; the anti-aging layer (3) comprises a PET film layer (301), a PVC film layer (302) and a polystyrene film layer (303).
2. The low-moisture polypropylene film for capacitors according to claim 1, characterized in that: The wear-resistant layer (2) is located outside the anti-aging layer (3), the anti-aging layer (3) is located outside the high-temperature resistant layer (4), and the high-temperature resistant layer (4) is located outside the substrate layer (5).
3. The low-moisture polypropylene film for capacitors according to claim 1, characterized in that: The PET film layer (301) is located outside the PVC film layer (302), and the PVC film layer (302) is located outside the polystyrene film layer (303).
4. The low-moisture polypropylene film for capacitors according to claim 1, characterized in that: The high temperature resistant layer (4) is a PEEK film, and the base material layer (5) is a polypropylene film.