Recyclable PET release film

Abstract

The utility model discloses a recyclable PET (Polyethylene Terephthalate) release film and relates to the technical field of PET release films. The anti-slip film comprises an attaching object and PET release films, the PET release films are arranged on the upper side and the lower side of the attaching object, corner connecting layers are fixedly installed at the four corners of each PET release film, anti-slip layers are pasted to the tops of the four corner connecting layers, and each corner connecting layer is of a quarter circle structure. According to the PET release film, the PET release film can be conveniently torn off and recycled from the four corners and the middle position, and meanwhile, an additional reinforced protection function is provided for the four corners of attachments.

Description

Technical Field

[0001] This utility model relates to the field of PET release film technology, specifically a recyclable PET release film. Background Technology

[0002] PET release film is a material made of PET as the base material and coated with silicone oil. It is used to reduce the adhesion of the film surface and achieve the release effect. It is widely used in packaging, printing, electronics and other fields, such as vacuum metallization, heat transfer printing, reflective materials, etc. In addition, PET release film has excellent physical and mechanical properties and thermal stability, can be reused, and has good adsorption and adhesion properties.

[0003] However, when traditional PET release film is attached to the surface of an object that needs protection, the corners of the object are often bumped or touched, which can cause the PET release film to break. This makes it inconvenient to remove and does not facilitate the convenient recycling of the PET release film. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a recyclable PET release film that can be easily and quickly removed and recycled from the four corners and the middle, while providing additional reinforced protection for the four corners of the attached material.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a recyclable PET release film, comprising an adhesive and a PET release film, wherein the adhesive is provided with PET release film on both the upper and lower sides, and corner connecting layers are fixedly installed at the four corners of the PET release film, and an anti-slip layer is pasted on the top of each of the four sets of corner connecting layers, and the corner connecting layers are in the form of a quarter-circle structure, and several sets of extrusion grooves are equally spaced on both sides of the bottom of the four sets of corner connecting layers.

[0006] By adopting the above technical solution, the PET release film is used to protect the top and bottom sides of the laminate. The corner connecting layer provides enhanced protection at the four corners of the laminate, while the anti-slip layer allows the operator to better remove and recycle the PET release film from the laminate through the corner connecting layer. The extrusion groove can also provide a quick tearing and recycling function for the PET release film.

[0007] Furthermore, the PET release film is coated with a silicone oil layer on the side near the laminate and is bonded to the laminate.

[0008] By adopting the above technical solution, a silicone oil layer can be applied to the side of the PET release film close to the laminate to ensure a tight bond between the PET release film and the laminate.

[0009] Furthermore, a central connecting layer is fixed in the middle of the PET release film, and four sets of point-tear strips are arranged in a circular array based on the central connecting layer in the middle of the PET release film.

[0010] By adopting the above technical solution, the design enhances the structural stability of the PET release film by fixing the central connecting layer in the middle. At the same time, the central connecting layer connects the four corner connecting layers to form an integrated structure. Based on the four sets of point-break easy-tear strips arranged in a circular array based on the central connecting layer, the removal of the PET release film is greatly facilitated.

[0011] Furthermore, the outer side of the central connecting layer has four sets of connecting strips arranged in a circular array, which are connected to the four sets of corner connecting layers one by one.

[0012] By adopting the above technical solution, four sets of connecting strips are arranged in a circular array on the outside of the central connecting layer and connected to the four sets of corner connecting layers one by one. This design significantly enhances the overall structural stability of the PET release film. The design of the connecting strips also facilitates the removal and recycling of the PET release film.

[0013] Furthermore, the four sets of connecting strips and the four sets of point-tearable strips are arranged in an alternating pattern.

[0014] By adopting the above technical solution, the design of four sets of connecting strips and four sets of point-break easy-tear strips in an alternating manner effectively enhances the structural stability of the PET release film, while also optimizing the mechanical distribution during the tearing process.

[0015] Furthermore, the surface of the anti-slip layer is provided with several sets of anti-slip strips at equal intervals.

[0016] By adopting the above technical solution and setting several sets of anti-slip strips at equal intervals on the surface of the anti-slip layer, this design significantly enhances the anti-slip performance of the anti-slip layer.

[0017] In summary, the present invention has the following main advantages:

[0018] This invention incorporates corner connecting layers, anti-slip layers, and extrusion grooves. By providing corner connecting layers at all four corners of the PET release film, and with several extrusion grooves on both sides of the bottom of each corner connecting layer, the anti-slip layer provides friction and enhances the protection of the corners of the PET release film when the top of the corner connecting layer is pinched. This allows the corner connecting layers to be peeled more easily from the surface of the laminate. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram showing the structure of the composite material and the PET release film in a separated state according to this utility model;

[0021] Figure 3 This is a bottom view of the connection structure between the PET release film and the middle connecting layer of this utility model;

[0022] Figure 4 This utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0023] In the diagram: 1. Adhesive layer; 2. Silicone oil layer; 3. PET release film; 4. Middle connecting layer; 5. Corner connecting layer; 6. Anti-slip layer; 7. Point-tear easy-tear strip; 8. Connecting strip; 9. Extrusion groove. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0025] In this embodiment:

[0026] A recyclable PET release film, such as Figures 1-4 As shown, it includes a laminate 1 and a PET release film 3. The laminate 1 is provided with PET release film 3 on both the top and bottom sides. Corner connecting layers 5 are fixedly installed at the four corners of the PET release film 3. The top of the four sets of corner connecting layers 5 is covered with an anti-slip layer 6. The corner connecting layers 5 have a quarter-circle structure. Several sets of extrusion grooves 9 are equally spaced on both sides of the bottom of the four sets of corner connecting layers 5.

[0027] By fixing corner connecting layers 5 at the four corners of the PET release film 3, the durability and structural strength of these areas are significantly enhanced. Because the corner connecting layers 5 have a quarter-circle structure, they can tightly adhere to the four corners of the PET release film 3, effectively preventing damage caused by bumps or touches, extending the service life of the PET release film 3, and improving its overall stability. Several sets of extrusion grooves 9 evenly spaced on both sides of the bottom of the corner connecting layers 5 facilitate the tearing process. These extrusion grooves 9 can perform spatial compression during tearing, helping to quickly separate the corner connecting layers 5 from the adhesive 1. Furthermore, the anti-slip layer 6 is adhered to the top of the corner connecting layers 5, which not only increases friction and prevents the operator's hand from slipping during tearing, but also further improves the convenience and safety of the operation.

[0028] See Figure 2 The PET release film 3 is coated with a silicone oil layer 2 on the side close to the laminate 1 and is bonded to the laminate 1;

[0029] The silicone oil layer 2 has good adhesion and can effectively fix the PET release film 3 onto the laminate 1, preventing it from shifting or falling off during use.

[0030] See Figure 1 , Figure 2 and Figure 3 A central connecting layer 4 is fixed in the middle of the PET release film 3, and four sets of point-break easy-tear strips 7 are arranged in a circular array based on the central connecting layer 4 in the middle of the PET release film 3.

[0031] The central connecting layer 4 serves as a reinforced core area, which helps prevent the PET release film 3 from tearing or breaking during use or removal. Especially when the four corners are under stress, the central connecting layer 4 can provide additional support. The easy-tear strip 7 can reduce the adsorption and tension between the PET release film 3 and the adhesive 1 when removing the PET release film 3, making it easier to tear the PET release film 3.

[0032] See Figure 1 , Figure 2 , Figure 3 and Figure 4 The outer side of the central connecting layer 4 has four sets of connecting strips 8 arranged in a circular array, which are connected to the four sets of corner connecting layers 5 one by one.

[0033] The connecting strip 8 acts as a bridge, tightly connecting the middle connecting layer 4 and the corner connecting layer 5 together, forming a stable structural system. This allows the PET release film to better disperse stress and reduce the risk of breakage when subjected to external forces. Since the connecting strip 8 connects the middle connecting layer 4 and the corner connecting layer 5, when the operator begins to peel off the corner connecting layer 5, the connecting strip 8 will pull the middle connecting layer 4 to peel off together, thereby achieving a faster and neater peeling effect.

[0034] See Figure 1 , Figure 2 and Figure 3 The four sets of connecting strips 8 and the four sets of point-break easy-tear strips 7 are arranged in an alternating manner;

[0035] The connecting strip 8 and the easy-tear strip 7 are arranged in an alternating pattern, forming a grid-like structure in space. This structure provides additional support and stability, preventing accidental tearing or deformation of the PET release film during removal or use.

[0036] See Figure 1 , Figure 2 and Figure 3 The surface of the anti-slip layer 6 is provided with several sets of anti-slip strips at equal intervals;

[0037] Among them, the anti-slip strip can effectively increase the contact area between the anti-slip layer 6 and the operator's hand, providing greater friction and thus preventing the hand from slipping during the removal of the PET release film.

[0038] The implementation principle of this embodiment is as follows: First, when it is necessary to remove and recycle the PET release film 3, the operator can increase the friction between the PET release film 3 and the operator's hand by contacting the anti-slip layer 6 on the top of the corner connecting layer 5 at the four corners of the PET release film 3. The multiple sets of extrusion grooves 9 opened on both sides of the bottom of the corner connecting layer 5 are used for spatial extrusion, so that the corner connecting layer 5 at the four corners of the PET release film 3 can be quickly separated from the adhesive 1, thereby realizing the recycling of the PET release film 3. At the same time, after removing one corner connecting layer 5, the corner connecting layer 5 will drive the middle connecting layer 4 in the middle of the PET release film 3 to peel off through the connecting strip 8 connected to itself. This allows the middle connecting layer 4 to drive the other three sets of connecting strips 8 on its outer side to peel off simultaneously. Each set of connecting strips 8 is connected to each set of corner connecting layers 5 one by one, so that the PET release film 3 can be peeled off and recycled more conveniently.

[0039] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A recyclable PET release film, characterized by: Including the laminate (1) and the PET release film (3); The upper and lower sides of the composite material (1) are provided with PET release film (3), and corner connecting layers (5) are fixedly installed at the four corners of the PET release film (3). The top of the four sets of corner connecting layers (5) is covered with anti-slip layer (6), and the corner connecting layer (5) has a quarter-circle structure. Several sets of extrusion grooves (9) are equally spaced on both sides of the bottom of the four sets of corner connecting layers (5).

2. The recyclable PET release film according to claim 1, characterized by: The PET release film (3) is coated with a silicone oil layer (2) on the side close to the composite (1) and is bonded to the composite (1).

3. The recyclable PET release film according to claim 1, characterized in that: The PET release film (3) has a central connecting layer (4) fixed in the middle, and four sets of point-break easy-tear strips (7) are arranged in a circular array based on the central connecting layer (4) in the middle of the PET release film (3).

4. The recyclable PET release film according to claim 3, characterized in that: The outer side of the central connecting layer (4) has four sets of connecting strips (8) arranged in a circular array, and each of them is connected to one of the four sets of corner connecting layers (5).

5. The recyclable PET release film according to claim 4, characterized in that: The four sets of connecting strips (8) and the four sets of tear-resistant strips (7) are arranged in an alternating manner.

6. The recyclable PET release film according to claim 1, characterized in that: The surface of the anti-slip layer (6) is provided with several sets of anti-slip strips at equal intervals.

Images