CN219526529U - Low-viscosity PET (polyethylene terephthalate) protective film - Google Patents
Low-viscosity PET (polyethylene terephthalate) protective film Download PDFInfo
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- CN219526529U CN219526529U CN202320414719.4U CN202320414719U CN219526529U CN 219526529 U CN219526529 U CN 219526529U CN 202320414719 U CN202320414719 U CN 202320414719U CN 219526529 U CN219526529 U CN 219526529U
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a low-viscosity PET (polyethylene terephthalate) protective film which comprises a substrate layer, a low-viscosity structure layer, an ultraviolet curing resin layer, an acrylic adhesive coating and a TPU (thermoplastic polyurethane) resin layer, wherein the low-viscosity structure layer is arranged at the bottom of the substrate layer, the ultraviolet curing resin layer is arranged at the upper surface of the substrate layer, the acrylic adhesive coating is arranged at the upper surface of the ultraviolet curing resin layer, the TPU resin layer is arranged at the upper surface of the acrylic adhesive coating, the low-viscosity structure layer consists of an adhesive layer, a partition layer and a release layer, the adhesive layer is arranged at the bottom of the substrate layer, and the partition layer is adhered at the bottom of the adhesive layer. According to the utility model, the adhesive layer is covered in a large area by arranging the isolating layer, so that the contact area between the protective film and the surface of a product during attachment is reduced, the scratch and rubbing prevention protection during transportation of the surface of the product is not influenced, the subsequent tearing is convenient, and the practicability is further improved on the basis of the prior art.
Description
Technical Field
The utility model relates to the technical field of protective films, in particular to a low-viscosity PET protective film.
Background
With the rapid development of electronic consumer products, various protective films are indispensable products of electronic products such as smart phones, tablet computers and the like, the PU protective film is a functional protective film which is formed by taking a transparent PET film as a base material, coating polyurethane glue on one side, and attaching a release film on the back, and the PU protective film has the characteristics of high light transmittance, strong weather resistance, low adhesion, easy tearing, no residual glue and high temperature resistance, and the performance is superior to that of a silica gel protective film, so that the PET protective film gradually replaces the silica gel protective film to become the market dominant, the PET protective film can be suitable for anti-collision and scratch protection in the product transportation process, and the PET protective film can be torn off again in the subsequent use process, so that the practicability of the PET protective film is higher and higher along with the development and progress of the age, as follows.
Through searching, the patent with the publication number of CN205661106U discloses a PET protective film, which is used for solving the problem of poor impact resistance of the existing PET protective film. The anti-static PET substrate comprises a PET substrate layer, wherein an ultraviolet curing resin layer, an acrylic adhesive coating and a TPU resin layer are sequentially arranged above the PET substrate layer from bottom to top, and an anti-static layer, an adhesive layer and a release layer are sequentially arranged below the PET substrate layer from top to bottom. The utility model can improve the impact resistance of the protective film.
However, the above-mentioned patent has the following drawbacks:
although the adhesive has low adhesion, the adhesive is difficult to tear later when the adhesive is large in adhesive area and is adhered to the product, so that the adhesive has low adhesion.
Disclosure of Invention
The present utility model aims to provide a low-viscosity PET protective film, which solves the general problem that the PET protective film has low-viscosity property, but is difficult to tear later when the adhesive area is large and the PET protective film is adhered to a product.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-viscosity PET protective film comprises a substrate layer, a low-viscosity structural layer, an ultraviolet curing resin layer, an acrylic adhesive coating and a TPU resin layer, wherein the low-viscosity structural layer is arranged at the bottom of the substrate layer, the ultraviolet curing resin layer is arranged at the upper surface of the substrate layer, the acrylic adhesive coating is arranged at the upper surface of the ultraviolet curing resin layer, and the TPU resin layer is arranged at the upper surface of the acrylic adhesive coating;
the low-viscosity structural layer is formed by an adhesive layer, a partition layer and a release layer, the adhesive layer is arranged at the bottom of the base material layer, the partition layer is adhered at the bottom of the adhesive layer, the size of the partition layer is smaller than that of the adhesive layer, the upper surface part of the release layer is adhered and connected with the adhesive layer, and the release layer is arranged at the bottom of the partition layer;
an extension layer is arranged at one side of the release layer in a protruding mode.
Preferably, the isolating layer is a transparent film layer.
Preferably, the upper surface of the TPU resin layer is also provided with an optical anti-reflection layer.
Preferably, the upper surface of the optical anti-reflection layer is also provided with a nano layer.
The utility model provides a low-viscosity PET protective film, which has the following beneficial effects:
according to the utility model, the low-viscosity structure is arranged, so that when the protective film is attached to the surface of a product, the release layer can be torn off firstly, then the adhesive layer is partially attached to the surface of the product, and other parts of the adhesive layer are separated from the surface of the product through the separation layer, so that the adhesive layer and the product are adhered to the surface of the product in the subsequent tearing process, the tearing operation is more convenient and easy, the low-viscosity energy of the protective film is further improved on the basis of the original protective film, and the practicability is higher.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a structure of a barrier layer of the present utility model;
fig. 3 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: 1. a substrate layer; 2. an ultraviolet curing resin layer; 3. an acrylic adhesive coating; 4. a TPU resin layer; 5. an adhesive layer; 6. a barrier layer; 7. a release layer; 8. an extension layer; 9. an optical antireflective layer; 10. a nano layer.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-3, the present utility model provides a technical solution: the low-viscosity PET protective film comprises a substrate layer 1, a low-viscosity structural layer, an ultraviolet curing resin layer 2, an acrylic adhesive coating 3 and a TPU resin layer 4, wherein the low-viscosity structural layer is arranged at the bottom of the substrate layer 1, the ultraviolet curing resin layer 2 is arranged at the upper surface of the substrate layer 1, the acrylic adhesive coating 3 is arranged at the upper surface of the ultraviolet curing resin layer 2, and the TPU resin layer 4 is arranged at the upper surface of the acrylic adhesive coating 3;
the low-viscosity structural layer consists of an adhesive layer 5, a partition layer 6 and a release layer 7, wherein the adhesive layer 5 is arranged at the bottom of the base material layer 1, the partition layer 6 is adhered and arranged at the bottom of the adhesive layer 5, the size of the partition layer 6 is smaller than that of the adhesive layer 5, the upper surface part of the release layer 7 is adhered and connected with the adhesive layer 5, and the release layer 7 is arranged at the bottom of the partition layer 6, so that when the protective film is used, the release layer 7 can be torn off through the extension layer 8, the adhesive layer 5 can be partially adhered to the surface of a product, the protective film can be adhered and fixed, and the product is protected, and most of the positions of the adhesive layer 5 are isolated from the surface of the product through the partition layer 6, so that when the surface of the product is protected, the adhesive layer 5 and the product are not influenced, the adhesion area of the product is greatly reduced, the low-viscosity performance of the protective film is further improved on the basis of the original practicality is higher, and the subsequent tearing work is easier;
an extension layer 8 is arranged on one side of the release layer 7 in a protruding mode, so that the release layer 7 can be easily torn off through the extension layer 8;
the partition layer 6 is a transparent film layer, so that the transparent protection effect of the protection film is not affected;
the upper surface of the TPU resin layer 4 is also provided with an optical anti-reflection layer 9, and the reflection light can be reduced by arranging the optical anti-reflection layer 9, so that the use effect is improved;
the upper surface of the optical anti-reflection layer 9 is also provided with a nano layer 10, and the nano layer 10 has the characteristics of water resistance, oil resistance, difficult dust adhesion and convenient cleaning.
Working principle: when using the protection film, can tear off release layer 7 through extending layer 8, with adhesion layer 5 part attached on the product surface, ensure that the protection film can be attached fixed and protect the product, and the most positions of adhesion layer 5 then cut off contactless with the product surface through separating layer 6 to make when not influencing the protection to the product surface, follow-up when tearing, because adhesion layer 5 and product adhesion's area significantly reduces, thereby more convenient and tear the work easily, the low viscidity ability of protection film has further been improved on original basis, the practicality is higher.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a low viscosity PET protection film, includes substrate layer (1), low viscosity structural layer, ultraviolet curing resin layer (2), ya keli glue coating (3) and TPU resin layer (4), its characterized in that: the low-viscosity structural layer is arranged at the bottom of the substrate layer (1), the ultraviolet curing resin layer (2) is arranged at the upper surface of the substrate layer (1), the acrylic adhesive coating (3) is arranged at the upper surface of the ultraviolet curing resin layer (2), and the TPU resin layer (4) is arranged at the upper surface of the acrylic adhesive coating (3);
the low-viscosity structural layer consists of an adhesive layer (5), a partition layer (6) and a release layer (7), wherein the adhesive layer (5) is arranged at the bottom of the base material layer (1), the partition layer (6) is adhered and arranged at the bottom of the adhesive layer (5), the size of the partition layer (6) is smaller than that of the adhesive layer (5), the upper surface part of the release layer (7) is adhered and connected with the adhesive layer (5), and the release layer (7) is arranged at the bottom of the partition layer (6);
an extension layer (8) is arranged on one side of the release layer (7) in a protruding mode.
2. The low-viscosity PET protective film according to claim 1, wherein: the partition layer (6) is a transparent film layer.
3. The low-viscosity PET protective film according to claim 1, wherein: the upper surface of the TPU resin layer (4) is also provided with an optical anti-reflection layer (9).
4. A low-viscosity PET protective film according to claim 3, wherein: the upper surface of the optical anti-reflection layer (9) is also provided with a nano layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320414719.4U CN219526529U (en) | 2023-03-08 | 2023-03-08 | Low-viscosity PET (polyethylene terephthalate) protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320414719.4U CN219526529U (en) | 2023-03-08 | 2023-03-08 | Low-viscosity PET (polyethylene terephthalate) protective film |
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| Publication Number | Publication Date |
|---|---|
| CN219526529U true CN219526529U (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320414719.4U Active CN219526529U (en) | 2023-03-08 | 2023-03-08 | Low-viscosity PET (polyethylene terephthalate) protective film |
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| Country | Link |
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| CN (1) | CN219526529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987454A (en) * | 2023-09-28 | 2023-11-03 | 武汉市三选科技有限公司 | Adhesive tape for wafer thinning, preparation method thereof and wafer grinding method |
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2023
- 2023-03-08 CN CN202320414719.4U patent/CN219526529U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116987454A (en) * | 2023-09-28 | 2023-11-03 | 武汉市三选科技有限公司 | Adhesive tape for wafer thinning, preparation method thereof and wafer grinding method |
| CN116987454B (en) * | 2023-09-28 | 2023-12-12 | 武汉市三选科技有限公司 | Adhesive tape for wafer thinning, preparation method thereof and wafer grinding method |
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