Corrosion-resistant plastic release film

Abstract

The utility model discloses a corrosion-resistant plastic release film, which relates to the technical field of plastic release film processing and comprises a corrosion-resistant layer, a PE (polyethylene) protective film layer and a nylon film layer, a fireproof layer is arranged at the lower end of the corrosion-resistant layer and fixedly connected with the corrosion-resistant layer, the PE protective film layer is arranged on the surface of the corrosion-resistant layer, and the nylon film layer is arranged at the lower end of the PE protective film layer and fixedly connected with the corrosion-resistant layer. The nylon film layer is arranged at the lower end of the PE protective film layer and fixedly connected with the PE protective film layer, the vinyl alcohol film layer is arranged at the lower end of the nylon film layer and fixedly connected with the nylon film layer, and the polytetrafluoroethylene layer is arranged at the lower end of the vinyl alcohol film layer and fixedly connected with the vinyl alcohol film layer. According to the scheme, the problems that an existing device does not have corrosion resistance, after long-term use, the surface of a release film is prone to being corroded by external substances, the service life of the release film is affected, and existing market requirements cannot be met are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic release film processing, in particular to a corrosion-resistant plastic release film. Background Art

[0002] Plastic release film is a specially treated thin film material with release properties. It exhibits extremely light and stable non-adhesive or slightly adhesive properties when in contact with specific materials under limited conditions. The production process for plastic release film includes batching, extrusion, calendaring, cooling, and winding. These steps are interrelated, and each one impacts the quality and stability of the final product. Applications include protection and isolation in the manufacturing of housings and internal components of mobile phones and tablets, and prevention of adhesion and damage in the manufacturing of automotive interior and exterior trim.

[0003] For example, announcement number CN214646395U is named as a release film with anti-edge curling function. The device includes a first transparent release film layer, and a plurality of first fixing grooves are opened at equal intervals on the upper end of the first transparent release film layer. The inner walls of the plurality of first fixing grooves are bonded with a first adhesive layer, and the upper end of the portion of the first transparent release film layer between two adjacent first fixing grooves is fixedly connected to a first fixing strip.

[0004] During use, the above device does not have corrosion resistance. After long-term use, the surface of the release film is easily corroded by external substances, thereby affecting its service life and failing to meet existing market demand. Therefore, we propose a corrosion-resistant plastic release film to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a corrosion-resistant plastic release film to solve the problem that the existing device proposed in the above background technology does not have corrosion resistance. After long-term use, the surface of the release film is easily corroded by external substances, thereby affecting its service life and failing to meet existing market demand.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a corrosion-resistant plastic release film, a corrosion-resistant layer, a fireproof layer is provided at the lower end of the corrosion-resistant layer, and the fireproof layer is fixedly connected to the corrosion-resistant layer.

[0007] Also includes:

[0008] The PE protective film layer is provided on the surface of the corrosion-resistant layer, the lower end of the PE protective film layer is provided with a nylon film layer, and the nylon film layer is fixedly connected to the PE protective film layer, the lower end of the nylon film layer is provided with a vinyl alcohol film layer, and the vinyl alcohol film layer is fixedly connected to the nylon film layer, the lower end of the vinyl alcohol film layer is provided with a polytetrafluoroethylene layer, and the polytetrafluoroethylene layer is fixedly connected to the vinyl alcohol film layer, the lower end of the polytetrafluoroethylene layer is provided with a soluble polytetrafluoroethylene layer, and the soluble polytetrafluoroethylene layer is fixedly connected to the polytetrafluoroethylene layer. The fluorinated ethylene propylene copolymer is fixedly connected to the soluble polytetrafluoroethylene layer, the lower end of the fluorinated ethylene propylene copolymer is provided with a polyetheretherketone layer, and the polyetheretherketone layer is fixedly connected to the fluorinated ethylene propylene copolymer, the lower end of the polyetheretherketone layer is provided with a polyimide layer, and the polyimide layer is fixedly connected to the polyetheretherketone layer, the lower end of the polyimide layer is provided with a polyphenylene sulfide layer, and the polyphenylene sulfide layer is fixedly connected to the polyimide layer.

[0009] Preferably, the fireproof layer includes a flame-retardant polyester layer, a flame-retardant polyvinyl chloride layer is provided at the lower end of the flame-retardant polyester layer, and the flame-retardant polyvinyl chloride layer is fixedly connected to the flame-retardant polyester layer.

[0010] Preferably, a flame retardant polypropylene layer is provided at the lower end of the flame retardant polyvinyl chloride layer, and the flame retardant polypropylene layer is fixedly connected to the flame retardant polyvinyl chloride layer, and a fluoroplastic film layer is provided at the lower end of the flame retardant polypropylene layer, and the fluoroplastic film layer is fixedly connected to the flame retardant polypropylene layer.

[0011] Preferably, a tensile layer is provided at the lower end of the fireproof layer, the tensile layer includes a glass fiber layer, a carbon fiber layer is provided at the lower end of the glass fiber layer, and the carbon fiber layer is fixedly connected to the glass fiber layer.

[0012] Preferably, a grid reinforcement layer is provided at the lower end of the carbon fiber layer.

[0013] Preferably, an anti-puncture layer is provided at the lower end of the anti-tension layer, the anti-puncture layer comprises a polyester film layer, and a BOPP film layer is provided at the lower end of the polyester film layer.

[0014] Preferably, a TPU film layer is provided at the lower end of the BOPP film layer.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model can improve the corrosion resistance of the release film surface by providing a corrosion-resistant layer. In extreme acid and alkaline environments, the corrosion-resistant layer can effectively protect the release film from corrosion, thereby improving the service life of the release film. Since the corrosion-resistant layer can resist the erosion of chemical substances, it can significantly improve the durability of the release film, which means that the release film can maintain its original physical and chemical properties during long-term use and is not prone to aging, cracking or deformation. This solves the problem that traditional devices do not have corrosion resistance and the surface of the release film is easily corroded by external substances after long-term use, thereby affecting its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a structural diagram of the corrosion-resistant layer of the utility model;

[0019] Figure 3 This is a structural diagram of the fireproof layer of the present utility model;

[0020] Figure 4 This is a structural diagram of the tensile layer of the utility model;

[0021] Figure 5 This is the structure diagram of the anti-puncture layer of the utility model

[0022] In the figure: 1. Corrosion-resistant layer; 2. Fireproof layer; 3. Tensile layer; 301. Puncture-resistant layer; 5. PE protective film layer; 6. Nylon film layer; 7. Vinyl alcohol film layer; 8. Polytetrafluoroethylene layer; 9. Soluble polytetrafluoroethylene layer; 10. Fluorinated ethylene propylene copolymer; 11. Polyetheretherketone layer; 12. Polyimide layer; 13. Polyphenylene sulfide layer; 14. Flame-retardant polyester layer; 15. Flame-retardant polyvinyl chloride layer; 16. Flame-retardant polypropylene layer; 17. Fluoroplastic film layer; 18. Glass fiber layer; 19. Carbon fiber layer; 20. Grid reinforcement layer; 21. Polyester film layer; 22. BOPP film layer; 23. TPU film layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-4 The utility model provides an embodiment: a corrosion-resistant plastic release film, a corrosion-resistant layer 1, a fireproof layer 2 is provided at the lower end of the corrosion-resistant layer 1, and the fireproof layer 2 is fixedly connected to the corrosion-resistant layer 1

[0025] Also includes:

[0026] A PE protective film layer 5 is provided on the surface of the corrosion-resistant layer 1, a nylon film layer 6 is provided at the lower end of the PE protective film layer 5, and the nylon film layer 6 is fixedly connected to the PE protective film layer 5, a vinyl alcohol film layer 7 is provided at the lower end of the nylon film layer 6, and the vinyl alcohol film layer 7 is fixedly connected to the nylon film layer 6, a polytetrafluoroethylene layer 8 is provided at the lower end of the vinyl alcohol film layer 7, and the polytetrafluoroethylene layer 8 is fixedly connected to the vinyl alcohol film layer 7, a soluble polytetrafluoroethylene layer 9 is provided at the lower end of the polytetrafluoroethylene layer 8, and the soluble polytetrafluoroethylene layer 9 is fixedly connected to the polytetrafluoroethylene layer 8 The lower end of the soluble polytetrafluoroethylene layer 9 is provided with a fluorinated ethylene propylene copolymer 10, and the fluorinated ethylene propylene copolymer 10 is fixedly connected to the soluble polytetrafluoroethylene layer 9, the lower end of the fluorinated ethylene propylene copolymer 10 is provided with a polyetheretherketone layer 11, and the polyetheretherketone layer 11 is fixedly connected to the fluorinated ethylene propylene copolymer 10, the lower end of the polyetheretherketone layer 11 is provided with a polyimide layer 12, and the polyimide layer 12 is fixedly connected to the polyetheretherketone layer 11, the lower end of the polyimide layer 12 is provided with a polyphenylene sulfide layer 13, and the polyphenylene sulfide layer 13 is fixedly connected to the polyimide layer 12.

[0027] See also Figure 3 The fireproof layer 2 includes a flame-retardant polyester layer 14, a flame-retardant polyvinyl chloride layer 15 is provided at the lower end of the flame-retardant polyester layer 14, and the flame-retardant polyvinyl chloride layer 15 is fixedly connected to the flame-retardant polyester layer 14. When this product is in use, the flame-retardant polyester layer 14 has excellent flame-retardant properties and can effectively protect the product.

[0028] See also Figure 3 The lower end of the flame-retardant polyvinyl chloride layer 15 is provided with a flame-retardant polypropylene layer 16, and the flame-retardant polypropylene layer 16 is fixedly connected to the flame-retardant polyvinyl chloride layer 15. The lower end of the flame-retardant polypropylene layer 16 is provided with a fluoroplastic film layer 17, and the fluoroplastic film layer 17 is fixedly connected to the flame-retardant polypropylene layer 16. When this product is in use, the fluoroplastic film layer 17 has high temperature resistance and can effectively protect the product.

[0029] See also Figure 4 A tensile layer 3 is provided at the lower end of the fireproof layer 2, and the tensile layer 3 includes a glass fiber layer 18. A carbon fiber layer 19 is provided at the lower end of the glass fiber layer 18, and the carbon fiber layer 19 is fixedly connected to the glass fiber layer 18. When this product is in use, the glass fiber layer 18 can significantly improve the strength and stiffness of the release film, so that it has better tensile resistance.

[0030] See also Figure 4 A grid reinforcement layer 20 is provided at the lower end of the carbon fiber layer 19. When this product is in use, the grid reinforcement layer 20 can effectively disperse the tensile stress and improve the bearing capacity of the release film.

[0031] See also Figure 5 The lower end of the tensile layer 3 is provided with an anti-puncture layer 301, and the anti-puncture layer 301 includes a polyester film layer 21. The lower end of the polyester film layer 21 is provided with a BOPP film layer 22. When this product is in use, the BOPP film layer 22 can improve the puncture resistance of the release film surface.

[0032] See also Figure 5 A TPU film layer 23 is provided at the lower end of the BOPP film layer 22. When this product is in use, the TPU film layer 23 can increase the puncture resistance, thereby assisting in protecting the release film.

[0033] Working principle: During use, when an extremely acidic or alkaline environment appears outside, the PE protective film layer 5 and the nylon film layer 6 in the corrosion-resistant layer 1 can first effectively prevent dust, dirt, grease and other impurities from contaminating the product surface and provide a certain degree of corrosion protection, thereby maintaining the cleanliness and corrosion resistance of the product, thereby providing preliminary protection for the release film. The polytetrafluoroethylene layer 8 and the soluble polytetrafluoroethylene layer 9 can provide beneficial chemical corrosion resistance and extremely excellent chemical stability, and are almost unaffected by any chemical reagents, including strong acids, strong bases and various organic solvents, thereby further protecting the release film. The fluorinated ethylene propylene copolymer 10 and the polyetheretherketone layer 11 have excellent chemical corrosion resistance and can resist the erosion of various acids, alkalis and organic solvents, thereby protecting the release film. The polyimide layer 12 and the polyphenylene sulfide layer 13 are high-performance high-temperature and corrosion-resistant film materials with excellent chemical corrosion resistance and high-temperature resistance and excellent chemical corrosion resistance, high-temperature resistance and wear resistance, which can strengthen the protection of the release film, thereby preventing the release film from being corroded.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A corrosion-resistant plastic release film, comprising a corrosion-resistant layer (1), a fireproof layer (2) being provided at the lower end of the corrosion-resistant layer (1), and the fireproof layer (2) being fixedly connected to the corrosion-resistant layer (1); Its characteristics are: Also includes: A PE protective film layer (5) is provided on the surface of the corrosion-resistant layer (1); a nylon film layer (6) is provided at the lower end of the PE protective film layer (5), and the nylon film layer (6) is fixedly connected to the PE protective film layer (5); a vinyl alcohol film layer (7) is provided at the lower end of the nylon film layer (6), and the vinyl alcohol film layer (7) is fixedly connected to the nylon film layer (6); a polytetrafluoroethylene layer (8) is provided at the lower end of the vinyl alcohol film layer (7), and the polytetrafluoroethylene layer (8) is fixedly connected to the vinyl alcohol film layer (7); a soluble polytetrafluoroethylene layer (9) is provided at the lower end of the polytetrafluoroethylene layer (8), and the soluble polytetrafluoroethylene layer (9) is fixedly connected to the polytetrafluoroethylene layer (8); The soluble polytetrafluoroethylene layer (9) is provided with a fluorinated ethylene propylene copolymer (10) at its lower end, and the fluorinated ethylene propylene copolymer (10) is fixedly connected to the soluble polytetrafluoroethylene layer (9); the fluorinated ethylene propylene copolymer (10) is provided with a polyetheretherketone layer (11) at its lower end, and the polyetheretherketone layer (11) is fixedly connected to the fluorinated ethylene propylene copolymer (10); the polyimide layer (12) is provided at its lower end, and the polyimide layer (12) is fixedly connected to the polyetheretherketone layer (11); the polyphenylene sulfide layer (13) is provided at its lower end, and the polyphenylene sulfide layer (13) is fixedly connected to the polyimide layer (12).

2. The corrosion-resistant plastic release film according to claim 1, characterized in that: The fireproof layer (2) comprises a flame-retardant polyester layer (14), a flame-retardant polyvinyl chloride layer (15) is provided at the lower end of the flame-retardant polyester layer (14), and the flame-retardant polyvinyl chloride layer (15) is fixedly connected to the flame-retardant polyester layer (14).

3. The corrosion-resistant plastic release film according to claim 2, characterized in that: A flame-retardant polypropylene layer (16) is provided at the lower end of the flame-retardant polyvinyl chloride layer (15), and the flame-retardant polypropylene layer (16) is fixedly connected to the flame-retardant polyvinyl chloride layer (15); a fluoroplastic film layer (17) is provided at the lower end of the flame-retardant polypropylene layer (16), and the fluoroplastic film layer (17) is fixedly connected to the flame-retardant polypropylene layer (16).

4. The corrosion-resistant plastic release film according to claim 1, characterized in that: The lower end of the fireproof layer (2) is provided with a tensile layer (3), the tensile layer (3) includes a glass fiber layer (18), the lower end of the glass fiber layer (18) is provided with a carbon fiber layer (19), and the carbon fiber layer (19) is fixedly connected to the glass fiber layer (18).

5. The corrosion-resistant plastic release film according to claim 4, characterized in that: A grid reinforcement layer (20) is provided at the lower end of the carbon fiber layer (19).

6. The corrosion-resistant plastic release film according to claim 4, characterized in that: The lower end of the tensile layer (3) is provided with an anti-puncture layer (301), the anti-puncture layer (301) includes a polyester film layer (21), and the lower end of the polyester film layer (21) is provided with a BOPP film layer (22).

7. The corrosion-resistant plastic release film according to claim 6, characterized in that: A TPU film layer (23) is provided at the lower end of the BOPP film layer (22).

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