CN219469967U - Anti-oxidation protective film suitable for copper foil - Google Patents
Anti-oxidation protective film suitable for copper foil Download PDFInfo
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- CN219469967U CN219469967U CN202320322659.3U CN202320322659U CN219469967U CN 219469967 U CN219469967 U CN 219469967U CN 202320322659 U CN202320322659 U CN 202320322659U CN 219469967 U CN219469967 U CN 219469967U
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- oxidation
- copper foil
- protective film
- adhesive layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an anti-oxidation protective film suitable for copper foil, which is sequentially provided with a protective layer, a first adhesive layer, a first vacuum aluminized layer, a PET (polyethylene terephthalate) substrate layer, a second vacuum aluminized layer and a second adhesive layer from top to bottom; the second adhesive layer is a high-humidity and high-temperature resistant adhesive layer. According to the utility model, the protective layer, the first adhesive layer, the first vacuum aluminum plating layer, the PET substrate layer, the second vacuum aluminum plating layer and the second adhesive layer are arranged, so that the first vacuum aluminum plating layer and the second vacuum aluminum plating layer are respectively arranged on the upper surface and the lower surface of the PET substrate layer, the barrier properties of the oxidation-resistant protective film such as oxygen resistance, water resistance and the like are further improved, and the oxidation-resistant strength of the oxidation-resistant protective film on the copper foil is further improved; through the second adhesive layer, the adhesive force stability of the protective film in a high-temperature and high-humidity environment is improved, so that the anti-oxidation protective film is easy to uncover and no residual adhesive is left on the surface of the copper foil after tearing off.
Description
Technical Field
The utility model relates to the technical field of protective films, in particular to an anti-oxidation protective film suitable for copper foil.
Background
In appliances such as home appliances, copper foil is often used, however, copper foil is easily oxidized during use, which results in a low service life of copper foil, and therefore, a protective film needs to be attached to the surface of copper foil.
However, the existing anti-oxidation film stuck on the surface of the copper foil is not resistant to high temperature and high humidity, namely, poor in weather resistance, and poor in lasting adhesion stability under a high temperature and high humidity environment, the phenomenon that the anti-oxidation film is not easily separated from the surface of the copper foil due to the viscosity increase can occur, and the phenomenon of adhesive residue can occur, and specifically, the copper foil stuck with the anti-oxidation film is placed under a high temperature (65 ℃) and high humidity (90%RH) environment for 72 hours, the surface of the copper foil is partially oxidized (namely, the capability of the anti-oxidation film for isolating gas is poor), and the peeling force of the anti-oxidation film is obviously increased, so that the anti-oxidation film is not easy to tear off, and the adhesive residue can remain on the surface to be protected when the anti-oxidation film is torn off.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the anti-oxidation protective film which can improve the anti-oxidation force, has better lasting adhesion stability, is easy to uncover and has no residual adhesive left on the surface of a protected object after being torn off and is suitable for copper foil.
The aim of the utility model is realized by the following technical scheme:
an oxidation-preventing protective film suitable for copper foil, comprising: the protective layer, the first adhesive layer, the first vacuum aluminum plating layer, the substrate layer, the second vacuum aluminum plating layer and the second adhesive layer are sequentially arranged from top to bottom respectively; the second adhesive layer is a high-humidity and high-temperature resistant adhesive layer.
In one embodiment, the adhesive further comprises a release film layer, wherein the release film layer is arranged below the second adhesive layer.
In one embodiment, the protective layer is a PE protective layer.
In one embodiment, the first adhesive layer is comprised of an acrylic adhesive.
In one embodiment, the first adhesive layer has a thickness of 5-20 μm.
In one embodiment, the substrate layer is a PET substrate layer.
In one embodiment, the Gao Shigao temperature resistant adhesive layer is a polyurethane resin adhesive layer.
Compared with the prior art, the utility model has at least the following advantages:
according to the anti-oxidation protective film suitable for the copper foil, through the arrangement of the protective layer, the first adhesive layer, the first vacuum aluminized layer, the base material layer, the second vacuum aluminized layer and the second adhesive layer, insulation protection can be performed through the uppermost protective layer; the first vacuum aluminized layer and the second vacuum aluminized layer are respectively arranged on the upper surface and the lower surface of the substrate layer, so that the barrier properties of the anti-oxidation protective film, such as oxygen resistance, water resistance and the like, are further improved, and the anti-oxidation force of the anti-oxidation protective film on the copper foil is further improved; through setting up high temperature high humidity resistant second viscose layer to improve the holding adhesion stability of protection film under high temperature high humidity environment, avoid the viscosity growth of anti-oxidation protection film, and then make anti-oxidation protection film easily reveal and tear and leave the back and leave no residual glue at the copper foil surface.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the embodiments will be briefly described.
Fig. 1 is a schematic structural view of an oxidation-preventing protective film suitable for a copper foil according to an embodiment of the present utility model.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.
As shown in fig. 1, an oxidation preventing protective film 10 suitable for a copper foil includes: the protective layer 100, the first adhesive layer 200, the first vacuum aluminum-plated layer 300, the substrate layer 400, the second vacuum aluminum-plated layer 500 and the second adhesive layer 600 are sequentially arranged from top to bottom respectively in sequence; the second adhesive layer 200 is a high humidity and high temperature resistant adhesive layer.
In this embodiment, the protective layer 100 is a PE film protective layer, and the PE film is a polyethylene film, which has the advantages of good chemical stability and good electrical insulation, and can play a role in insulation protection through the PE protective layer; further, the substrate layer 400 is a PET substrate layer, that is, a PET film, and the first vacuum aluminized layer 300 and the second vacuum aluminized layer 500 are respectively disposed on the upper surface and the lower surface of the PET film, so that the barrier property of the PET film can be further improved, and the anti-oxidation protective film has more excellent barrier properties of oxygen resistance and water resistance, so that the anti-oxidation force of the anti-oxidation protective film on the copper foil can be further improved; further, the second adhesive layer 600 is set to be a high-humidity and high-temperature resistant adhesive layer, so that the anti-oxidation protective film can keep high adhesion stability in a high-temperature and high-humidity environment, the adhesion of the anti-oxidation protective film is prevented from being increased, the anti-oxidation protective film is easy to uncover, no residual adhesive is left on the surface of the copper foil after being torn off, and the subsequent recycling of the copper foil can be facilitated.
In one embodiment, the anti-oxidation protective film suitable for copper foil further includes a separation film layer 700, and the separation film layer 700 is disposed below the second adhesive layer 600. The second adhesive layer 600 is subjected to temporary mutual isolation with external objects through the isolation film layer 700, and when the anti-oxidation protective film is used, the isolation film layer 700 is only required to be torn, and the second adhesive layer 600 is bonded with the surface of the copper foil, so that the anti-oxidation protective film is attached to the surface of the copper foil, and the copper foil is protected.
In one embodiment, the first adhesive layer 200 is composed of an acrylic adhesive. The acrylic adhesive has good high temperature resistance and high adhesion, and the first adhesive layer 200 is set as an acrylic adhesive, so that the adhesion between the protective layer 100 and the substrate layer 400 provided with the first vacuum aluminized layer 300 and the second vacuum aluminized layer 500 can be improved, and in this embodiment, the thickness of the first adhesive layer 200 is 5-20 μm.
Further, in an embodiment, the Gao Shigao temperature resistant adhesive layer is a polyurethane resin adhesive layer.
The polyurethane resin adhesive layer is mainly made of polyurethane, and the bonding strength and the cohesion of the adhesive layer at high temperature are improved by adding polyacrylamide; the high-temperature and high-humidity resistance of the adhesive layer can be improved by adding the polybutylmethacrylate, and finally the high-temperature resistance of the polyurethane can be improved by adding the propylene-acrylamide copolymer. Therefore, the anti-oxidation protective film has more stable holding viscosity in a high-temperature and high-humidity environment, the surface of the copper foil attached with the anti-oxidation protective film can be placed in a high-temperature (65 ℃) and high-humidity (90%RH) environment for 72 hours, the surface of the copper foil is not oxidized, the peeling force of the anti-oxidation film is not obviously increased, so that the anti-oxidation protective film is easy to tear off, and no residual glue exists on the surface of the copper foil when the anti-oxidation protective film is torn off.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model, which are within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (7)
1. An oxidation-preventing protective film for copper foil, comprising: the protective layer, the first adhesive layer, the first vacuum aluminum plating layer, the substrate layer, the second vacuum aluminum plating layer and the second adhesive layer are sequentially arranged from top to bottom respectively; the second adhesive layer is a high-humidity and high-temperature resistant adhesive layer.
2. The oxidation protective film for copper foil according to claim 1, further comprising a barrier film layer disposed under the second adhesive layer.
3. The oxidation-preventing protective film for copper foil according to claim 1, wherein the protective layer is a PE protective layer.
4. The oxidation-preventing protective film for copper foil according to claim 1, wherein the first adhesive layer is composed of an acrylic adhesive.
5. The oxidation preventing protective film for copper foil according to claim 1 or 4, wherein the thickness of the first adhesive layer is 5-20 μm.
6. The oxidation-preventing protective film for copper foil according to claim 1, wherein the base material layer is a PET base material layer.
7. The oxidation protective film for copper foil according to claim 1, wherein the Gao Shigao temperature resistant adhesive layer is a polyurethane resin adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320322659.3U CN219469967U (en) | 2023-02-24 | 2023-02-24 | Anti-oxidation protective film suitable for copper foil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320322659.3U CN219469967U (en) | 2023-02-24 | 2023-02-24 | Anti-oxidation protective film suitable for copper foil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219469967U true CN219469967U (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320322659.3U Active CN219469967U (en) | 2023-02-24 | 2023-02-24 | Anti-oxidation protective film suitable for copper foil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219469967U (en) |
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2023
- 2023-02-24 CN CN202320322659.3U patent/CN219469967U/en active Active
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