High temperature resistant mylar tape
Patent Information
- Application Number
- CN202522838421.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-31
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-12-31
AI Technical Summary
[0004]本实用新型的目的在于至少解决现有技术中存在的技术问题之一，提供一种耐高温美纹纸胶带，能够解决缺少对边缘结构进行强化设计，在各层材料的热膨胀系数差异在高温环境下会进一步放大，容易导致边缘区域易产生应力集中，进而引发翘边、层间分离等失效问题，同时还会导致胶带边缘的抗撕拉性能不足，在胶带贴合、撕除及日常搬运等操作过程中，使得胶带极易从边缘发生断裂，不仅影响操作效率的问题
[0012]1、该耐高温美纹纸胶带，通过加强条的设置，针对层间结构边缘易成为薄弱环节的问题，能够通过强化边缘结构强度，可有效阻止高温下边缘区域的翘边、分层，同时提升胶带边缘的抗撕拉性能，避免撕除或使用过程中从边缘发生断裂，保障胶带整体结构完整性。
Smart Images
Figure CN224784057U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of layered materials technology, and in particular to a high-temperature resistant masking tape. Background Technology
[0002] High-temperature resistant masking tape, with its combination of adhesion, masking, and high-temperature resistance, has become an indispensable functional material in high-temperature operating scenarios such as automotive painting, metal spraying and baking, electronic component curing, and PCB manufacturing. These scenarios place stringent requirements on the tape not only on overall structural stability under high temperatures but also on the adhesion reliability of the edge areas—the edges must maintain a flat and adhered state over a long period, avoiding curling, delamination, or breakage. Otherwise, inaccurate masking can lead to problems such as contamination of the adhered material during spraying, damage to components, and seriously affect product processing quality.
[0003] With the increasing precision requirements of industrial manufacturing, although existing high-temperature masking tapes are gradually adopting composite structures to improve their overall performance, there are still significant shortcomings in edge structure design. The edge areas of existing composite tapes rely solely on simple fixed connections between materials, lacking reinforcement design for the edge structure. The difference in thermal expansion coefficients between the layers is further amplified under high-temperature environments, easily leading to stress concentration in the edge areas, which in turn causes failures such as edge curling and interlayer separation. At the same time, it also results in insufficient tear resistance at the tape edges, making the tape prone to breakage at the edges during tape application, removal, and daily handling. This not only affects operational efficiency but also causes tape waste and increases usage costs. Utility Model Content
[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a high-temperature resistant masking tape that can solve the problem of lacking edge structure reinforcement design. In high-temperature environments, the difference in thermal expansion coefficients of the materials in each layer will be further amplified, which will easily lead to stress concentration in the edge area, resulting in failure problems such as edge curling and interlayer separation. At the same time, it will also lead to insufficient tear resistance of the tape edge, making the tape very easy to break from the edge during tape application, removal and daily handling, which not only affects the efficiency of operation.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-temperature resistant masking tape, comprising a masking tape, wherein the masking tape is internally divided into a protective outer layer, a high-temperature resistant middle layer, and an adhesive bottom layer, wherein the bottom end of the protective outer layer is fixedly connected to the top end of the high-temperature resistant middle layer, and the high-temperature resistant middle layer is fixedly connected to the bottom end of the adhesive bottom layer.
[0006] Preferably, the outer surface of the protective outer layer has wear-resistant textures.
[0007] Preferably, the top of the high-temperature resistant middle layer has vertical stripes, which are evenly spaced.
[0008] Preferably, the top of the high-temperature resistant intermediate layer is fixedly connected with two reinforcing strips.
[0009] Preferably, the two reinforcing strips are located at the two side edges of the top of the high-temperature resistant intermediate layer.
[0010] Preferably, the bottom end of the adhesive substrate has micro-recesses.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] 1. This high-temperature resistant masking tape, through the setting of reinforcing strips, addresses the problem that the edges of the interlayer structure are prone to becoming weak points. By strengthening the edge structure, it can effectively prevent the edge area from curling and delamination under high temperatures, while improving the tear resistance of the tape edges, avoiding breakage from the edges during tearing or use, and ensuring the overall structural integrity of the tape. Attached Figure Description
[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments:
[0014] Figure 1 This is a three-dimensional structural diagram of a high-temperature resistant masking tape according to the present invention;
[0015] Figure 2 This is a schematic diagram of the layered structure of the masking tape of this utility model;
[0016] Figure 3 For the present utility model Figure 2 Enlarged view of point A in the image;
[0017] Figure 4 This is a plan view of the masking tape of this utility model.
[0018] Attached labels: 1. Masking tape; 2. Protective outer layer; 3. High-temperature resistant middle layer; 4. Adhesive bottom layer; 5. Reinforcing strip; 6. Vertical groove; 7. Abrasion resistant groove; 8. Micro-recessed groove. Detailed Implementation
[0019] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0020] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0021] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.
[0022] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.
[0023] Please see Figure 1-4 This utility model provides a technical solution: a high-temperature resistant masking tape, including a masking tape 1. The masking tape 1 is divided into a protective outer layer 2, a high-temperature resistant middle layer 3, and an adhesive bottom layer 4. The bottom end of the protective outer layer 2 is fixedly connected to the top end of the high-temperature resistant middle layer 3, and the high-temperature resistant middle layer 3 is fixedly connected to the bottom end of the adhesive bottom layer 4.
[0024] Furthermore, the outer surface of the protective outer layer 2 is provided with wear-resistant textures 7.
[0025] Furthermore, the top of the high-temperature resistant middle layer 3 is provided with vertical stripes 6, which are equidistantly spaced.
[0026] Furthermore, two reinforcing strips 5 are fixedly connected to the top of the high-temperature resistant intermediate layer 3, and the two reinforcing strips 5 are located at the two side edges of the top of the high-temperature resistant intermediate layer 3 respectively.
[0027] Furthermore, the bottom end of the adhesive base layer 4 is provided with micro-recesses 8.
[0028] Furthermore, the core of the masking tape 1 consists of a protective outer layer 2, a high-temperature resistant middle layer 3, and an adhesive bottom layer 4, which are fixedly connected to form an integrated three-layer structure. This composite structure provides the basic framework for the realization of its functions: the protective outer layer 2, as the outermost layer, directly contacts the external environment and serves as the first line of defense; the high-temperature resistant middle layer 3, located in the middle of the three-layer structure, is the core load-bearing layer for the high-temperature resistance of the entire tape, and also serves as a connecting carrier to achieve a stable connection between the protective outer layer 2 and the adhesive bottom layer 4; the adhesive bottom layer 4, as the inner layer that directly contacts the adhered object, achieves reliable adhesion of the tape through its own adhesiveness. The fixed connection relationship of the three layers ensures that there will be no separation between the layers during use, providing structural protection for the synergistic performance of each function.
[0029] Furthermore, the bottom of the protective outer layer 2 is fixedly connected to the top of the high-temperature resistant middle layer 3, forming direct protection for the high-temperature resistant middle layer 3. During the use of the tape, especially in high-temperature environments (such as spraying and baking, curing of electronic components, etc.), the protective outer layer 2 can effectively isolate harmful substances such as high-temperature airflow, dust, and paint solvents from the outside, preventing them from directly corroding the high-temperature resistant middle layer 3 and the adhesive bottom layer 4, thereby ensuring that the core performance of the tape does not degrade. At the same time, the abrasion-resistant texture 7 on the outer surface of the protective outer layer 2 can increase the surface abrasion resistance of the protective outer layer 2, reduce the wear caused by friction during the application, removal and use of the tape, and extend the service life of the tape. In addition, the abrasion-resistant texture 7 can also improve the anti-slip properties when applying by hand and optimize the ease of operation.
[0030] Furthermore, the high-temperature resistant middle layer 3, as the core execution unit of the tape's high-temperature resistance function, preferably uses high-toughness modified masking paper substrate, E-type fiberglass nonwoven fabric, modified PET film, or fiberglass mesh, etc., which possess excellent high-temperature resistance properties and can maintain structural stability under high-temperature conditions without significant shrinkage, cracking, or carbonization, providing core support for the entire tape. The equidistant vertical grooves 6 at the top of the high-temperature resistant middle layer 3 can, on the one hand, increase the contact area between the high-temperature resistant middle layer 3 and the protective outer layer 2, and further enhance the bonding force between the two layers with the fixed connection method, preventing interlayer delamination under high-temperature conditions; on the other hand... On the surface, the vertical grooves 6 can form tiny heat dissipation channels, helping to channel the heat generated in high-temperature environments and reducing the impact of local temperature accumulation on the tape's performance. The two reinforcing strips 5, which are fixedly connected to the top two edges of the high-temperature resistant middle layer 3, are made of high-temperature resistant impregnated masking paper or glass fiber powder modified masking paper with the same temperature resistance level as the high-temperature resistant middle layer 3. In response to the problem that the edges of the three-layer structure are prone to becoming weak links, by strengthening the edge structure strength, it can effectively prevent the edge area from curling and delamination under high temperature, while improving the tear resistance of the tape edge, avoiding breakage from the edge during tearing or use, and ensuring the overall structural integrity of the tape.
[0031] Furthermore, the adhesive base layer 4 uses high-temperature resistant acrylic pressure-sensitive adhesive, with its top end fixedly connected to the bottom end of the high-temperature resistant middle layer 3. Its core function is to achieve reliable adhesion between the tape and the adhered object through its own adhesiveness, ensuring the realization of basic functions such as masking and fixation. The micro-recessed texture 8 at the bottom end of the adhesive base layer 4 can reduce the contact area between the adhesive layer and the adhered object, thereby optimizing the tear-off performance while ensuring adhesion stability. This avoids residual adhesive due to excessive contact between the adhesive layer and the adhered object during tearing. At the same time, the micro-recessed texture 8 can also provide a certain amount of ventilation space for the adhesive layer, reducing the formation of air bubbles during the adhesion process and improving the flatness of the adhesion. Especially in high-temperature environments, it can prevent air bubbles from expanding due to heat, causing the tape to curl up locally, thus ensuring the stability of the masking effect.
[0032] Furthermore, in high-temperature applications (such as automotive painting and metal spraying), the various structures of this high-temperature resistant masking tape work together to achieve stable operation: First, the adhesive base layer 4 adheres the tape to the surface of the object to be masked or fixed, and the micro-texture 8 ensures a smooth, bubble-free adhesion; upon entering a high-temperature environment, the high-temperature resistant middle layer 3 plays a crucial role in resisting high-temperature erosion and maintaining structural stability, while the vertical grooves 6 at its top assist in heat dissipation, and the reinforcing strips 5 on both sides enhance edge stability and prevent edge lifting and delamination; the protective outer layer 2 isolates the tape from external high temperatures. Airflow, solvents, and dust are reduced by the wear-resistant texture 7 on the outer surface, minimizing frictional loss under high-temperature conditions. During this process, the fixed connection of the three-layer structure ensures that each layer is stressed collaboratively without relative displacement, and the adhesive bottom layer 4 maintains stable adhesion at high temperatures without flowing or failing. After the high-temperature operation is completed, when the tape is removed, the micro-concave texture 8 allows the adhesive bottom layer 4 to detach completely from the adhered object without any residue, while the reinforcing strip 5 ensures that the tape edges are neat and do not break during the removal process, ultimately achieving a complete functional closed loop of "stable adhesion - high-temperature resistance - clean removal".
[0033] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A high-temperature resistant masking tape, comprising masking tape (1), characterized in that: The masking tape (1) is divided into a protective outer layer (2), a high-temperature resistant middle layer (3) and an adhesive bottom layer (4). The bottom end of the protective outer layer (2) is fixedly connected to the top end of the high-temperature resistant middle layer (3), and the high-temperature resistant middle layer (3) is fixedly connected to the bottom end of the adhesive bottom layer (4).
2. The high-temperature resistant masking tape according to claim 1, characterized in that: The outer surface of the protective outer layer (2) is provided with wear-resistant texture (7).
3. The high-temperature resistant masking tape according to claim 1, characterized in that: The top of the high-temperature resistant middle layer (3) has vertical stripes (6) that are evenly spaced.
4. The high-temperature resistant masking tape according to claim 1, characterized in that: The top of the high-temperature resistant middle layer (3) is fixedly connected to two reinforcing strips (5).
5. The high-temperature resistant masking tape according to claim 4, characterized in that: The two reinforcing strips (5) are located at the two sides of the top edge of the high-temperature resistant intermediate layer (3).
6. The high-temperature resistant masking tape according to claim 1, characterized in that: The bottom end of the adhesive base layer (4) is provided with micro-recessed texture (8).