High-temperature-resistant BOPP (biaxially-oriented polypropylene) matte isolating membrane
By setting high-temperature resistant layer, wear-resistant layer, hydrophobic layer and release layer on the substrate layer surface of the BOPP matte isolation film, a multi-layer structure is formed, which solves the problem of the isolation film curling and shrinking in a high-temperature environment and improves its resistance Abrasive performance and protective effect, and prevent moisture intrusion and stickiness.
Patent Information
- Application Number
- CN202420134839.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-19
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-01-19
AI Technical Summary
The existing BOPP matte isolation film is prone to curling and shrinking due to thermal radiation in high temperature environments, affecting its protective effect.
A high-temperature BOPP matte isolation film was designed, and a multi-layer structure was formed by setting a high-temperature resistant layer, wear-resistant layer, hydrophobic layer and release layer on the surface of the substrate layer to improve the high-temperature and wear-resistant properties of the isolation film. and prevent moisture from adhering and tearing off easily.
It effectively alleviates the problem of curling and shrinking of the isolation film in high temperature environments, improves its wear resistance and protection effect, and prevents moisture invasion and stickiness and difficulty in removing.
Smart Images
Figure CN222431814U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of isolation films, in particular to a high-temperature resistant BOPP matte isolation film. Background Art
[0002] BOPP is biaxially oriented polypropylene film, which has the advantages of light weight, non-toxicity, odorlessness, moisture resistance, high mechanical strength, good dimensional stability, good printing performance, good transparency, etc.; it has the advantages of high transparency, good gloss, good barrier properties, high impact strength, etc., because its usable temperature range is between -20℃ and 120℃, so it can be used in some higher temperature environments.
[0003] BOPP matte release film is often used as a protective film to cover the surface of the product. When ordinary BOPP matte release film encounters a high temperature environment, it will curl and shrink due to heat radiation, which will make it unable to cover the surface of the product, affecting the protective effect of the product.
[0004] In summary, the utility model provides a high temperature resistant BOPP matte isolation film to solve the above problems. Utility Model Content
[0005] In order to solve the above technical problems, the utility model provides a high temperature resistant BOPP matte isolation film to solve the problem in the prior art that the BOPP isolation film is easily heated and curled and shrunk in a high temperature environment.
[0006] A high-temperature resistant BOPP matte isolation film comprises an isolation film body, wherein the isolation film body consists of a substrate layer, a high-temperature resistant layer, a wear-resistant layer, a hydrophobic layer and a release layer, wherein the number of the wear-resistant layer and the high-temperature resistant layer are both two, and the two high-temperature resistant layers are respectively bonded to the two sides of the substrate layer, the two wear-resistant layers are respectively arranged on the side of the two high-temperature resistant layers away from the substrate layer, the hydrophobic layer is arranged on the side of one of the wear-resistant layers away from the high-temperature resistant layer, and the release layer is arranged on the side of the other wear-resistant layer away from the high-temperature resistant layer.
[0007] Furthermore, the substrate layer is a sheet formed by co-extrusion of high molecular weight polypropylene particles, and the high temperature resistant layer is made of expanded polytetrafluoroethylene material.
[0008] Furthermore, the wear-resistant layer is a wear-resistant coating.
[0009] Furthermore, the release layer is a release agent coating.
[0010] Furthermore, the hydrophobic layer is a hydrophobic coating.
[0011] Furthermore, the wear-resistant coating is specifically ZS-922.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] During use, the utility model blocks the heat radiation generated by the high temperature to the isolation membrane by the high temperature through the high temperature resistant layer arranged on the surface of the substrate layer, thereby alleviating the degree of curling and shrinkage of the substrate layer due to the high temperature environment; the wear-resistant layer is arranged on the surface of the high temperature resistant layer, thereby improving the wear resistance of the isolation membrane and reducing the probability of the isolation membrane being damaged due to friction, thereby improving its protective effect on the product; the waterproof layer is arranged to effectively prevent moisture from adhering to the surface of the isolation membrane and reduce the probability of moisture invading the interior of the product and causing corrosion damage to the product; the release layer is arranged so that one side of the release layer contacts the product, so that the surface of the isolation membrane can be torn off relatively easily, thereby preventing the utility model from sticking to the surface of the product and being difficult to remove. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0015] Figure 2 It is a cross-sectional schematic diagram of the utility model;
[0016] Figure 3 This utility model Figure 2 A local enlarged schematic diagram of the middle A;
[0017] Figure 4 This utility model Figure 2 A local enlarged schematic diagram of point B in the middle.
[0018] In the figure:
[0019] 1. Isolation film body; 101. Base film layer; 102. High temperature resistant layer; 103. Wear resistant layer; 104. Hydrophobic layer; 105. Release layer. DETAILED DESCRIPTION
[0020] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.
[0021] like Figure 1-4As shown, the utility model provides a high temperature resistant BOPP matte isolation film, including an isolation film body 1, the isolation film body 1 is composed of a substrate layer 101, a high temperature resistant layer 102, a wear-resistant layer 103, a hydrophobic layer 104 and a release layer 105, the number of the wear-resistant layer 103 and the high temperature resistant layer 102 are two, and the two high temperature resistant layers 102 are respectively bonded to the two sides of the substrate layer 101, the two wear-resistant layers 103 are respectively arranged on the side of the two high temperature resistant layers 102 away from the substrate layer 101, the hydrophobic layer 104 is arranged on the side of one of the wear-resistant layers 103 away from the high temperature resistant layer 102, and the release layer 105 is arranged on the side of the other wear-resistant layer 103 away from the high temperature resistant layer 102.
[0022] Among them, the substrate layer 101 is a sheet formed by co-extrusion of high molecular weight polypropylene particles, and the high temperature resistant layer 102 is made of expanded polytetrafluoroethylene material, which can block the heat radiation generated by high temperature to the isolation membrane to a certain extent, thereby alleviating the degree of curling and shrinkage of the substrate layer 101 due to the high temperature environment.
[0023] The wear-resistant layer 103 is a wear-resistant coating, which improves the wear resistance of the isolation membrane and reduces the probability of the isolation membrane being damaged due to friction, thereby improving its protective effect on the product.
[0024] The release layer 105 is a release agent coating, and one side of the release layer 105 is in contact with the product, so that the surface of the isolation film can be torn off relatively easily, thereby preventing the utility model from sticking to the surface of the product and being difficult to remove.
[0025] The hydrophobic layer 104 is a hydrophobic coating, which can effectively prevent moisture from adhering to the surface of the isolation membrane and reduce the probability of moisture invading the interior of the product and causing corrosion damage to the product.
[0026] Among them, the wear-resistant coating is specifically ZS-922.
[0027] Specific working principle:
[0028] During use, the utility model blocks the heat radiation generated by the high temperature to the isolation membrane by the high temperature resistant layer 102 arranged on the surface of the substrate layer 101 to a certain extent, thereby alleviating the degree of curling and shrinkage of the substrate layer 101 due to the high temperature environment; the wear-resistant layer 103 arranged on the surface of the high temperature resistant layer 102 improves the wear resistance of the isolation membrane and reduces the probability of the isolation membrane being damaged due to friction, thereby improving its protective effect on the product; the waterproof layer can effectively prevent moisture from adhering to the surface of the isolation membrane and reduce the probability of moisture invading the interior of the product and causing corrosion damage to the product; the release layer 105 is arranged, and one side of the release layer 105 contacts the product, so that the surface of the isolation membrane can be torn off relatively easily, thereby preventing the utility model from sticking to the surface of the product and being difficult to remove.
[0029] The implementation modes of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A high temperature resistant BOPP matte release film, characterized by: The invention comprises an isolation film body (1), wherein the isolation film body (1) is composed of a substrate layer (101), a high temperature resistant layer (102), a wear-resistant layer (103), a hydrophobic layer (104) and a release layer (105), wherein the number of the wear-resistant layer (103) and the number of the high temperature resistant layer (102) are both two, and the two high temperature resistant layers (102) are respectively bonded to the two sides of the substrate layer (101), the two wear-resistant layers (103) are respectively arranged on the side of the two high temperature resistant layers (102) away from the substrate layer (101), the hydrophobic layer (104) is arranged on the side of one of the wear-resistant layers (103) away from the high temperature resistant layer (102), and the release layer (105) is arranged on the side of the other wear-resistant layer (103) away from the high temperature resistant layer (102).
2. The high temperature resistant BOPP matte release film according to claim 1, characterized in that: The base sheet layer (101) is a sheet material formed by co-extrusion of high molecular weight polypropylene particles, and the high temperature resistant layer (102) is made of expanded polytetrafluoroethylene material.
3. The high temperature resistant BOPP matte release film according to claim 1, characterized in that: The wear-resistant layer (103) is a wear-resistant coating.
4. The high temperature resistant BOPP matte release film according to claim 1, characterized in that: The release layer (105) is a release agent coating.
5. The high temperature resistant BOPP matte release film according to claim 1, characterized in that: The hydrophobic layer (104) is a hydrophobic coating.
6. The high temperature resistant BOPP matte release film according to claim 3, characterized in that: The wear-resistant coating is specifically ZS-922.