Low-temperature high-viscosity PE self-adhesive protective film

CN224644449UActive Publication Date: 2026-08-18HUICANG NEW MATERIALS (SUZHOU) CO LTD
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Patent Information

Application Number
CN202522094260.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-29
Publication Date
2026-08-18
Estimated Expiration
2035-09-29

AI Technical Summary

Technical Problem

[0005]为了弥补以上不足,本实用新型提供了一种低温高粘型PE自粘保护膜,旨在解决现有技术中,PE 自粘保护膜层间结合强度弱、易层间剥离,受力应力分散不均、局部易损坏,延展性与抗拉伸性差、受外力易破裂,低温下粘性不稳定、贴合易脱落,以及紫外线阻隔与静电疏导能力不足,导致保护效果差、使用寿命短的问题

Benefits of technology

1、本实用新型中,通过延展增强组件,提升保护膜各层结合强度,防层间剥离,通过两个沿PE膜基层中心轴对称的延展增强组件,均匀分散受力,防局部受力损坏,通过EVA共混层,实现与PE膜基层、防护表层及防静电层紧密结合,通过安装刻槽,精准定位固定POE弹性纤维网,通过POE弹性纤维网,提升保护膜延展性与抗拉伸性,防外力破裂,通过加强卡装点及尺寸适配设置,增强网与槽连接稳定性,防网脱出,保障组件整体稳定。

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Abstract

The utility model relates to PE self -adhesion protective film technical field discloses a low temperature high viscosity type PE self -adhesion protective film, including PE film base layer, the top of PE film base layer is equipped with the protective surface layer, the bottom of PE film base layer is equipped with the antistatic layer, the bottom fixedly connected with adhesive layer of antistatic layer. In the utility model, through the extension enhancement subassembly, the combination strength of protective film each layer is promoted, prevents interlayer peeling, through two along the extension enhancement subassembly of PE film base layer central axis symmetry, evenly dispersed stress, prevent local stress damage, through EVA blend layer, realize with PE film base layer, protective surface layer and antistatic layer close combination, through the installation notch, accurate positioning fixed POE elastic fiber net, through POE elastic fiber net, promote the extensibility and tensile resistance of protective film, prevent external force rupture, through the setting of strengthening clamping point and size adaptation, enhance the stability of net and groove connection, prevent net to come out, guarantee the overall stability of subassembly.
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Description

Technical Field

[0001] This utility model relates to the field of PE self-adhesive protective film technology, and in particular to a low-temperature high-adhesion PE self-adhesive protective film. Background Technology

[0002] PE self-adhesive film, also known as self-adhesive protective film, is another type of protective film. It has the advantages of being more environmentally friendly, cleaner, more stable, easy to apply, and not easy to fall off, so as to prevent products from being scratched or having stains during transportation, storage and processing.

[0003] In the current field of protective films, PE self-adhesive protective films are widely used for surface protection of electronic devices, hardware parts, plastic products and other products due to their low cost and convenient processing.

[0004] While existing PE self-adhesive protective films provide basic protection and adhesion to items, they typically exhibit weak interlayer bonding strength, leading to easy delamination. Furthermore, they suffer from uneven stress distribution under pressure, resulting in localized damage. They also lack effective extensibility and tensile strength, making them prone to cracking under external forces. Additionally, they struggle to maintain stable adhesion at low temperatures, easily detaching after application. Moreover, they fail to adequately block ultraviolet rays and dissipate static electricity, thus affecting their protective effect and lifespan, and making them inconvenient to use. Therefore, a low-temperature, high-adhesion PE self-adhesive protective film is proposed to address these issues. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a low-temperature, high-adhesion PE self-adhesive protective film, aiming to solve the problems in the prior art, such as weak interlayer bonding strength, easy interlayer peeling, uneven stress distribution, easy local damage, poor extensibility and tensile strength, easy breakage under external force, unstable adhesion at low temperatures, easy detachment, and insufficient UV blocking and electrostatic conduction capabilities, resulting in poor protective effect and short service life.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a low-temperature high-adhesion PE self-adhesive protective film, comprising a PE film base layer, a protective surface layer on the top of the PE film base layer, an antistatic layer on the bottom of the PE film base layer, an adhesive layer fixedly connected to the bottom end of the antistatic layer, and an extension reinforcement component provided between the PE film base layer, the protective surface layer, and the antistatic layer. The stretching and reinforcing component includes an EVA blend layer, the upper surface of which is provided with a mounting groove, a POE elastic fiber mesh is fixedly connected inside the mounting groove, and a reinforcing clip is fixedly connected to the outer side of the POE elastic fiber mesh.

[0007] As a further description of the above technical solution: Two stretching and reinforcing components are provided, and the two stretching and reinforcing components are symmetrically arranged along the central axis of the PE film base layer.

[0008] As a further description of the above technical solution: The inner wall of the mounting groove is adapted to the outer wall dimensions of the POE elastic fiber mesh and the reinforcing fastener.

[0009] As a further description of the above technical solution: The reinforcing clips are arranged at equal intervals along the outer side of the POE elastic fiber mesh.

[0010] As a further description of the above technical solution: The protective surface layer is specifically made of a composite material of modified low-density polyethylene and nano-silica.

[0011] As a further description of the above technical solution: The antistatic layer is specifically a carbon nanotube antistatic coating.

[0012] As a further description of the above technical solution: The adhesive layer is an acrylate-POE composite adhesive, specifically a composite material of acrylate polymers and polyolefin elastomers.

[0013] This utility model has the following beneficial effects: 1. In this utility model, the bonding strength of each layer of the protective film is improved by the extension and reinforcement components, preventing interlayer peeling. Two extension and reinforcement components symmetrical along the central axis of the PE film base layer are used to evenly distribute the force and prevent localized damage. The EVA blend layer achieves tight bonding with the PE film base layer, protective surface layer and antistatic layer. The POE elastic fiber mesh is precisely positioned and fixed by the installation groove. The POE elastic fiber mesh improves the extensibility and tensile strength of the protective film and prevents external force breakage. The connection stability between the mesh and the groove is enhanced by the reinforced clamping points and size adaptation settings, preventing the mesh from falling out and ensuring the overall stability of the component.

[0014] 2. In this utility model, the PE film base layer provides basic support and a stable substrate for the functional layer. The protective surface layer improves wear resistance and scratch resistance, blocks ultraviolet rays, and extends service life. The antistatic layer quickly conducts static charge to prevent static damage to the protected items. The adhesive layer maintains high adhesion at low temperatures to ensure a tight fit with the protected items and prevents them from falling off. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of a low-temperature, high-adhesion PE self-adhesive protective film proposed in this utility model; Figure 2This is a schematic diagram of the overall disassembled structure of a low-temperature, high-adhesion PE self-adhesive protective film proposed in this utility model; Figure 3 This is a schematic diagram of the disassembled structure of the expansion reinforcement component of a low-temperature, high-adhesion PE self-adhesive protective film proposed in this utility model.

[0016] Legend: 1. PE film base layer; 2. Extension and reinforcement components; 21. EVA blend layer; 22. Mounting groove; 23. POE elastic fiber mesh; 24. Reinforcing clips; 3. Protective surface layer; 4. Antistatic layer; 5. Adhesive layer. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Reference Figure 1 and Figure 2 This utility model provides an embodiment of a low-temperature, high-adhesion PE self-adhesive protective film, comprising a PE film base layer 1. The PE film base layer 1 serves as the basic support structure of the protective film, possessing good flexibility and impact resistance, and providing a stable adhesion substrate for subsequent functional layers. A protective surface layer 3 is provided on top of the PE film base layer 1. Specifically, the protective surface layer 3 is made of a modified low-density polyethylene and nano-silica composite material. This composite material not only improves the wear resistance and scratch resistance of the protective surface layer 3, but also effectively blocks the aging effects of external ultraviolet rays on the internal structure of the protective film, extending the service life of the protective film. The bottom of the film base layer 1 is provided with an antistatic layer 4. The carbon nanotube antistatic coating has excellent conductivity and can quickly conduct away the static charge generated on the surface of the protective film, avoiding damage to the protected items caused by static electricity. The antistatic layer 4 is specifically made of carbon nanotube antistatic coating. The bottom end of the antistatic layer 4 is fixedly connected to an adhesive layer 5. The adhesive layer 5 is made of acrylate-POE composite adhesive, which is a composite material of acrylate polymer and polyolefin elastomer. This composite adhesive can maintain high adhesion in low temperature environment and has good weather resistance and aging resistance, which can ensure that the protective film adheres tightly to the protected items and is not easy to fall off.

[0019] Reference Figures 1-3An extension reinforcement component 2 is provided between the PE film base layer 1, the protective surface layer 3, and the antistatic layer 4. The extension reinforcement component 2 effectively improves the bonding strength between the layers of the protective film, preventing interlayer delamination during use. Two extension reinforcement components 2 are provided, symmetrically arranged along the central axis of the PE film base layer 1. This symmetrical arrangement allows for even stress distribution under load, preventing damage due to excessive localized stress. The extension reinforcement component 2 includes an EVA blend layer 21, which possesses good flexibility and adhesion, enabling a tight bond with the PE film base layer 1, the protective surface layer 3, and the antistatic layer 4. The upper surface of the EVA blend layer 21 has mounting grooves 22, providing precise positioning space for the installation of the POE elastic fiber mesh 23, ensuring stable fixation of the POE elastic fiber mesh 23 onto the EVA blend layer 21. The POE elastic fiber mesh 23 is fixedly connected inside the mounting grooves 22. The POE elastic fiber mesh 23 has excellent elasticity and tensile strength, which can significantly improve the overall extensibility and tensile strength of the protective film, making the protective film less prone to breakage when subjected to external tensile force. The outer side of the POE elastic fiber mesh 23 is fixedly connected with reinforcing fastening points 24. The reinforcing fastening points 24 can further enhance the connection stability between the POE elastic fiber mesh 23 and the inner wall of the mounting groove 22, preventing the POE elastic fiber mesh 23 from coming out of the mounting groove 22 during use. The inner wall of the mounting groove 22 is size-matched to the outer wall of the POE elastic fiber mesh 23 and the reinforcing fastening points 24. The size-matching setting can ensure a tight fit between the components, reduce gaps, and improve the overall structural stability of the stretching and reinforcing component 2. Multiple reinforcing fastening points 24 are evenly distributed along the outer side of the POE elastic fiber mesh 23. The even distribution can make the fixing effect of the reinforcing fastening points 24 evenly distributed on the outer side of the POE elastic fiber mesh 23, further ensuring the fixing effect of the POE elastic fiber mesh 23.

[0020] Working Principle: In the application of low-temperature high-adhesion PE self-adhesive protective film, the PE film base layer 1, with its good flexibility and impact resistance, serves as the foundation support for the overall structure, providing a stable adhesion substrate for the protective surface layer 3, antistatic layer 4, and extension reinforcement components 2. The top protective surface layer 3 uses a modified low-density polyethylene and nano-silica composite material. During use, it not only resists damage to the protected item from external friction and scratches due to its excellent wear resistance and scratch resistance, but also effectively blocks ultraviolet rays, delaying the aging of the internal structure of the protective film and extending its overall service life. The antistatic layer 4 at the bottom of the PE film base layer 1 uses a carbon nanotube antistatic coating, which can quickly dissipate static charges generated on the surface of the protective film due to friction, preventing static electricity from attracting dust or damaging the protected item, especially electronic products. The adhesive layer 5 at the bottom of the antistatic layer 4 uses an acrylic-POE composite adhesive, which maintains high adhesion even in low-temperature environments, ensuring the protective film adheres firmly to the object. The protective material adheres tightly to the surface, preventing it from falling off during use and ensuring stable protection. Simultaneously, two symmetrically arranged extension reinforcement components 2 between the PE film base layer 1, the protective surface layer 3, and the antistatic layer 4 play a crucial structural strengthening role. The EVA blend layer 21, with its excellent flexibility and adhesion, enhances the tightness of the bond between layers, preventing delamination. The POE elastic fiber mesh 23, fixed within the mounting groove 22 on its surface, utilizes its excellent elasticity and tensile strength to improve the overall extensibility and tensile strength of the protective film, preventing breakage due to external stretching. Furthermore, the equally spaced reinforcing fastening points 24 on the outer side of the POE elastic fiber mesh 23 are adapted to the inner wall size of the mounting groove 22, further reinforcing the installation stability of the POE elastic fiber mesh 23 and preventing it from detaching. This allows the extension reinforcement components 2 to evenly distribute the stress on the protective film under pressure, ensuring the integrity and reliability of the overall structure during use. The synergistic effect of each layer and component ultimately achieves efficient and stable protection for the protected item in low-temperature environments.

[0021] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A low-temperature, high-adhesion PE self-adhesive protective film, comprising a PE film base layer (1), characterized in that: The top of the PE film base layer (1) is provided with a protective surface layer (3), the bottom of the PE film base layer (1) is provided with an antistatic layer (4), the bottom end of the antistatic layer (4) is fixedly connected with an adhesive layer (5), and an extension reinforcement component (2) is provided between the PE film base layer (1), the protective surface layer (3), and the antistatic layer (4). The extension and reinforcement component (2) includes an EVA blend layer (21), the upper surface of which is provided with a mounting groove (22), a POE elastic fiber mesh (23) is fixedly connected inside the mounting groove (22), and a reinforcing clip (24) is fixedly connected to the outside of the POE elastic fiber mesh (23).

2. The low-temperature high-adhesion PE self-adhesive protective film according to claim 1, characterized in that: Two stretching and reinforcing components (2) are provided, and the two stretching and reinforcing components (2) are symmetrically arranged along the central axis of the PE film base layer (1).

3. The low-temperature high-adhesion PE self-adhesive protective film according to claim 1, characterized in that: The inner wall of the mounting groove (22) is adapted to the outer wall size of the POE elastic fiber mesh (23) and the reinforcing fastener (24).

4. The low-temperature high-adhesion PE self-adhesive protective film according to claim 3, characterized in that: The reinforcing fastening points (24) are provided at equal intervals along the outer side of the POE elastic fiber mesh (23).

5. The low-temperature high-adhesion PE self-adhesive protective film according to claim 1, characterized in that: The protective surface layer (3) is specifically made of a modified low-density polyethylene and nano-silica composite material.

6. The low-temperature high-adhesion PE self-adhesive protective film according to claim 1, characterized in that: The antistatic layer (4) is specifically made of carbon nanotube antistatic coating.

7. The low-temperature high-adhesion PE self-adhesive protective film according to claim 1, characterized in that: The adhesive layer (5) is an acrylate-POE composite adhesive, specifically a composite material of acrylate polymer and polyolefin elastomer.