Easily-torn adhesive film
By designing an easy-tear structure in the adhesive film, including an easy-tear layer, an easy-tear strip, an anti-slip strip and a friction part, the problem of difficulty in tearing the traditional adhesive film is solved, the effect of easy opening is achieved, and the user experience and packaging quality are improved. Ease of use.
Patent Information
- Application Number
- CN202421216269.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-30
AI Technical Summary
Traditional adhesive films are difficult to tear apart due to their strong viscosity and high toughness, which makes it inconvenient for users to open or tear frequently.
An easy-tear adhesive film is designed, which adopts a combined structure of base material layer, adhesive layer, easy-tear structure and positioning groove. The easy-tear structure includes an easy-tear layer, an easy-tear strip, an anti-slip strip and a friction part. These structures increase the friction between the film surface and the finger surface, making it easier to tear and use.
It achieves easy opening of the adhesive film without sacrificing sealing, solves the problem of difficulty in opening traditional plastic packaging, improves user experience and satisfaction, and is suitable for various packaging fields that require easy opening.
Smart Images

Figure CN222389777U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of adhesive tape production, and specifically relates to an easy-to-tear adhesive film. Background Art
[0002] With the rapid development of society and the improvement of people's living standards, the packaging industry plays an increasingly important role in the circulation of goods. Packaging is not only required to be beautiful and environmentally friendly, but also easy to use, especially for special groups such as the elderly and children. The ease of use of packaging is particularly important.
[0003] In the existing packaging material market, adhesive film is widely used due to its good sealing and protective properties. However, in situations where frequent opening or tearing is required, traditional adhesive film is difficult to tear due to its strong adhesion and high toughness, which brings inconvenience to users. Therefore, designing an easy-tear adhesive film that can maintain the protective properties of the film and can be easily torn has become an urgent problem to be solved.
[0004] In view of this, the present utility model is proposed. Utility Model Content
[0005] In order to solve the problem that the adhesive film is sticky and difficult to tear, the basic concept of the technical solution adopted by the utility model is:
[0006] An easy-tear adhesive film, comprising:
[0007] A base material layer, the bottom of the base material layer is fixedly connected with an adhesive layer, and the bottom of the adhesive layer is tightly adhered to the object;
[0008] The easy-tear structure is arranged on the top of the base material layer. The easy-tear structure includes an easy-tear layer and a plurality of anti-slip strips for increasing the friction of the fingers. The anti-slip strips are arranged on the easy-tear layer. Friction parts for further increasing the friction are arranged on both sides of the easy-tear layer. The bottom of the easy-tear layer is fixed to the top of the base material layer by glue.
[0009] There are two groups of positioning grooves, and the two groups of positioning grooves are respectively arranged on the two side walls of the bottom of the adhesive layer.
[0010] As a preferred embodiment of the utility model, the friction part includes an easy-tear strip, an anti-slip hole is arranged inside the easy-tear strip, and the easy-tear strip and the easy-tear layer are glued together.
[0011] As a preferred embodiment of the utility model, the anti-slip strip is triangular in shape, and multiple groups of anti-slip strips are arranged on the easy-tear layer at equal intervals.
[0012] As a preferred embodiment of the present invention, the anti-slip hole is formed on the top wall surface of the tear strip by pressure, and the anti-slip hole is concave.
[0013] As a preferred embodiment of the present invention, the pressure forming includes but is not limited to hot pressing, molding, scoring and punching.
[0014] As a preferred embodiment of the present invention, the surfaces of the easy-tear layer and the easy-tear strip are painted with different colors respectively.
[0015] As a preferred embodiment of the present invention, the material of the substrate layer is a polyester film material, the material of the adhesive layer is a polyacrylate glue, and the material of the easy-tear layer is a polyurethane material.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] 1. Increase the friction between the film surface and the finger surface, optimize the use effect of the film, make it easier for users to tear off the film, and improve the convenience of using the device.
[0018] 2. It can distinguish different parts of the product, improve the recognition and usability of the product, enhance the aesthetics and personalization of the product, improve user experience and product value, and bring greater market competitive advantages to the company.
[0019] 3. To improve the corrosion resistance, oxidation resistance and acid hydrolysis resistance of the film, meet the use requirements in various complex environments, and reduce energy consumption by using high molecular polymers as the main raw materials, so as to achieve the goals of energy conservation, emission reduction and environmental protection.
[0020] 4. Adjust the physical properties of the material, improve the corrosion resistance, oxidation resistance and acid hydrolysis resistance of the film. The easy-tear film of the utility model has a lower tear strength and can be easily opened without sacrificing the sealing performance, thus solving the problem that traditional plastic packaging is difficult to open.
[0021] 5. The easy-tear adhesive film of the utility model is suitable for various packaging fields that need to be easy to open, especially some packaging that needs to be opened frequently, such as food packaging, medicine packaging, etc., which can greatly improve user experience and satisfaction and optimize the use experience of the adhesive film.
[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In the attached picture:
[0024] Figure 1 It is a three-dimensional diagram of the substrate layer structure of the utility model;
[0025] Figure 2 It is a top view of the utility model;
[0026] Figure 3This is a disassembled diagram of the utility model;
[0027] Figure 4 It is a side view of the utility model;
[0028] Figure 5 It is a cross-sectional view of the easy-tear layer of the utility model.
[0029] In the figure: 10, substrate layer; 11, adhesive layer; 12, easy-tear layer; 13, easy-tear strip; 14, anti-slip hole; 15, anti-slip strip; 16, positioning groove. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.
[0031] It should be noted that similar numbers and letters represent similar items in the following figures, so once an item is defined in one figure, it does not need to be further defined and explained in the subsequent figures. In the description of the embodiments of the utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "inner", "outer", "side", etc. is based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model 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 operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0032] 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.
[0033] Embodiment 1: An easy-to-tear adhesive film, specifically Figure 1 , Figure 2 and Figure 3 As shown, it includes: a substrate layer 10, the bottom of the substrate layer 10 is fixedly connected with an adhesive layer 11, and the bottom of the adhesive layer 11 is tightly adhered to the object; an easy-tear structure, which is arranged on the top of the substrate layer 10, and the easy-tear structure includes an easy-tear layer 12 and multiple groups of anti-slip strips 15 for increasing the friction of the fingers, the anti-slip strips 15 are arranged on the easy-tear layer 12, and the two sides of the easy-tear layer 12 are also provided with friction parts for further increasing the friction, and the bottom of the easy-tear layer 12 is glued and fixed to the top of the substrate layer 10 by glue; positioning grooves 16, there are two groups of positioning grooves 16, and the two groups of positioning grooves 16 are respectively opened on the two side walls of the bottom of the adhesive layer 11. The position of the positioning groove 16 corresponds to the position of the easy-tear strip 13, which is convenient for users to quickly tear off the film, and also convenient for users to align the film and repeatedly wrap it, which is convenient for users to use.
[0034] Specific as Figure 1 and Figure 2 As shown, the friction portion includes an easy-tear strip 13, an anti-slip hole 14 is provided inside the easy-tear strip 13, and the easy-tear strip 13 and the easy-tear layer 12 are glued together.
[0035] Specific as Figure 1 , Figure 4 and Figure 5 As shown, the anti-slip strips 15 are triangular, and multiple groups of anti-slip strips 15 are arranged at equal intervals on the easy-tear layer 12. The friction force when the film is taken is increased, and the use experience of the film is improved.
[0036] Specific as Figure 1 and Figure 2 As shown, the anti-skid hole 14 is formed on the top wall of the tear strip 13 by pressure, and the anti-skid hole 14 is concave. The concave structure increases the friction between the finger and the tear strip 13, making it convenient for the user to tear the film.
[0037] Specific as Figure 1 and Figure 2 As shown, pressure forming includes, but is not limited to, heat pressing, molding, scoring, and punching.
[0038] According to the above conclusions, through the structure of the adhesive layer 11, the easy-tear layer 12, the easy-tear strip 13, the anti-slip hole 14, the anti-slip strip 15 and the positioning groove 16, the friction between the surface of the film and the finger surface is increased, the use effect of the film is optimized, the user is convenient to tear and use the film, and the convenience of using the device is improved.
[0039] Embodiment 2: Based on Embodiment 1, the specific Figure 1 and Figure 2As shown, the surfaces of the easy-tear layer 12 and the easy-tear strip 13 are painted with different colors. The surfaces of the easy-tear layer 12 and the easy-tear strip 13 are painted with two contrasting colors, which form a sharp contrast visually, so that users can quickly distinguish and identify them when using them. Plasticizer is added to the easy-tear layer 12, and the plasticizer is evenly mixed in the material of the easy-tear layer 12, and is applied to the surfaces of the easy-tear strip 13 and the anti-slip strip 15 by spraying, printing, etc. The physical properties of the material are adjusted to improve the corrosion resistance, oxidation resistance and acid hydrolysis resistance of the film.
[0040] According to the above conclusions, through the structure of the easy-tear layer 12, the easy-tear strip 13 and the anti-slip strip 15, the different parts of the product can be distinguished, the recognition and usability of the product can be improved, the aesthetics and personalized characteristics of the product can be enhanced, the user experience and product value can be improved, and the company can have a greater market competitive advantage. This design concept is widely used in various products, such as mechanical equipment, electronic products, household items, etc., to improve user experience and product value. In the production process of the film, advanced thermoforming stretching technology is used to improve the durability of the film by accurately controlling process parameters such as temperature, pressure and stretching speed.
[0041] Embodiment 3: Based on Embodiment 1 and Embodiment 2, the specific Figure 1 and Figure 3 As shown, the material of the substrate layer 10 is a polyester film material, the material of the adhesive layer 11 is a polyacrylate glue, and the material of the easy-tear layer 12 is a polyurethane material. The polyester film material has excellent physical properties, electrical properties and chemical stability; the polyacrylate glue has excellent bonding properties, water resistance and weather resistance, and is widely used in bonding various materials. Polyurethane is a polymer material with excellent wear resistance, tear resistance, elasticity and chemical corrosion resistance, and is often used to manufacture various elastomers, foam plastics and coatings.
[0042] In summary, through the structure of the substrate layer 10, the adhesive layer 11 and the easy-tear layer 12, the corrosion resistance, oxidation resistance and acid hydrolysis resistance of the adhesive film are improved, and the use requirements in various complex environments are met. By using high molecular polymers as the main raw materials, energy consumption is reduced, and the purpose of energy conservation, emission reduction and environmental protection is achieved. The easy-tear adhesive film of the utility model has a low tear strength and can be easily opened without sacrificing the sealing performance, solving the problem that traditional plastic packaging is difficult to open. The easy-tear adhesive film of the utility model is suitable for various packaging fields that need to be easy to open, especially some packaging that needs to be opened frequently, such as food packaging, pharmaceutical packaging, etc., which can greatly improve user experience and satisfaction.
[0043] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.
Claims
1. An easy-tear adhesive film, characterized in that: include: A base material layer, wherein the bottom of the base material layer is fixedly connected with an adhesive layer; The easy-tear structure is arranged on the top of the base material layer. The easy-tear structure includes an easy-tear layer and a plurality of anti-slip strips for increasing the friction of the fingers. The anti-slip strips are arranged on the easy-tear layer. Friction parts for further increasing the friction are arranged on both sides of the easy-tear layer. The bottom of the easy-tear layer is fixed to the top of the base material layer by glue. There are two groups of positioning grooves, and the two groups of positioning grooves are respectively arranged on the two side walls of the bottom of the adhesive layer.
2. The easy-tear adhesive film according to claim 1, characterized in that: The friction part comprises an easy-tear strip, an anti-slip hole is arranged inside the easy-tear strip, and the easy-tear strip and the easy-tear layer are adhered together by glue.
3. The easy-tear adhesive film according to claim 1, characterized in that: The anti-slip strips are triangular in shape, and a plurality of groups of anti-slip strips are arranged on the easy-tear layer at equal intervals.
4. The easy-tear adhesive film according to claim 2, characterized in that: The anti-skid hole is formed on the top wall surface of the easy-tear strip by pressure, and the anti-skid hole is concave.
5. The easy-tear adhesive film according to claim 4, characterized in that: The pressure forming includes but is not limited to heat pressing, molding, scoring and punching.
6. The easy-tear adhesive film according to claim 1, characterized in that: The surfaces of the easy-tear layer and the easy-tear strip are painted with different colors respectively.
7. The easy-tear adhesive film according to claim 1, characterized in that: The material of the substrate layer is a polyester film material, the material of the adhesive layer is a polyacrylate glue, and the material of the easy-tear layer is a polyurethane material.