Anti-fog type high-strength PET (Polyethylene Terephthalate) protective film

By adding an anti-fog coating, an anti-scratch coating, a sealant layer, an antibacterial and anti-corrosion layer, and a reinforcing structural layer to the PET protective film, the problems of insufficient strength and poor anti-fog performance of the PET protective film are solved, thereby improving the anti-fog effect and service life of the film.

CN223688261UActive Publication Date: 2025-12-19JIANGSU MAKER NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422658916.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-12-19
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Existing PET protective films have insufficient strength and poor anti-fogging performance, affecting their performance and lifespan.

Method used

An anti-fog coating and an anti-scratch coating are applied to the outer surface of the PET protective film using resin materials. By applying an anti-fog coating, an anti-scratch coating, a sealant layer, an antibacterial and anti-corrosion layer, an anti-blue light layer, and a reinforcing structural layer to the base film, the anti-fog performance and strength of the film are improved.

Benefits of technology

It achieves a combination of high strength and anti-fogging effect, improves the scratch resistance, sealing and antibacterial and anti-corrosion properties of the membrane, and expands the application range, especially its applicability in the field of electronic products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of protective films, in particular to an anti-fog type high-strength PET (polyethylene terephthalate) protective film which comprises a base film body, an anti-fog coating and an anti-scraping coating are arranged on the outer surface of the base film body, a sealant layer is arranged on the side surface of the outer edge of the base film body, a PET base material is arranged inside the base film body, the anti-scraping coating is arranged between the anti-fog coating and the base film body, and the anti-fog coating is arranged between the anti-fog coating and the base film body. The anti-fog coating is composed of sorbitol monopalmitate and xylitol ester, the sealant layer is made of a resin material, and the antibacterial and anticorrosive layer is arranged on one side of the PET base material and composed of quaternary ammonium salt, trichloroisocyanuric acid and an inorganic antibacterial agent. According to the anti-fog type high-strength PET protective film, the anti-fog coating enables the outer surface of the film body to have good hydrophobic and oleophobic effects, the scratch-resistant coating improves the surface strength and has excellent scratch resistance, meanwhile, the sealant layer can guarantee good sealing performance, the reinforcing structure layer is further arranged in the material, the strength of the film body can be effectively improved, and the service life of the film body is prolonged. And breakage is not easy during use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protective film, especially to a high strength PET protective film of anti-fog type. BACKGROUND

[0002] With the wide application of electronic equipment, display screen and other products, the requirement of protective film is also higher and higher. Some PET protective film products on the market have problems such as insufficient strength, easy to wear and tear and easy to produce fog in specific environment, which affects the use effect and service life of the product. Although some anti-fog films have anti-fog effect, the strength and durability of the material are often sacrificed, which cannot meet the high requirement of protection performance. Therefore, it is necessary to provide a new high strength and anti-fog PET protective film to solve the problems of insufficient strength and poor anti-fog performance in the prior art and improve the use experience. SUMMARY

[0003] The utility model provides a new high strength PET protective film of anti-fog type, which has improved anti-fog performance and strength compared with the prior art.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following scheme:

[0005] A high strength PET protective film of anti-fog type, comprising a base film body, an anti-fog coating and an anti-scratch coating are arranged on the outer surface of the base film body, a sealing adhesive layer is arranged on the outer edge side of the base film body, a PET substrate is arranged in the base film body, and the anti-scratch coating is arranged between the anti-fog coating and the base film body.

[0006] Further, the anti-fog coating is composed of sorbitol monopalmitate and xylitol ester, the sealing adhesive layer is made of resin material, one side of the PET substrate is provided with an antibacterial and anticorrosive layer, and the antibacterial and anticorrosive layer is composed of quaternary ammonium salt, trichloroisocyanuric acid and inorganic antibacterial agent.

[0007] Further, the antibacterial and anticorrosive layer is provided with a temperature-resistant layer away from the PET substrate, and the temperature-resistant layer is composed of aluminum silicate fiber and carbon fiber material.

[0008] Further, the temperature-resistant layer is provided with an anti-blue light layer away from the antibacterial and anticorrosive layer, and the anti-blue light layer is composed of polymethyl methacrylate and polycarbonate.

[0009] Further, the anti-blue light layer is provided with a reinforcing structure layer away from the temperature-resistant layer, and the reinforcing structure layer is composed of carbon fiber and glass fiber.

[0010] Further, the thickness of the anti-scratch coating is greater than that of the anti-fog coating.

[0011] Further, the anti-scratching coating is a mixture of nano-sized SiO2 particles and UV-cured resin.

[0012] Compared with the prior art, the anti-scratching coating is a mixture of nano-sized SiO2 particles and UV-cured resin.

[0013] The utility model discloses a kind of anti-fog high-strength PET protective films, first aspect: by being provided with anti-fog coating, anti-scratching coating and sealing adhesive layer on outer surface, in the actual use process of the film body, anti-fog coating can make the outer surface of film body have good hydrophobic and oleophobic effect, to effectively avoid water and oil adhere on the film body, anti-scratching coating significantly improves the surface strength of protective film, with outstanding scratch resistance, while sealing adhesive layer can effectively guarantee its good sealing when the film body is used, improve the actual application effect of whole film body;Second aspect: by being provided with antibacterial and anticorrosive layer inside, can effectively improve the antibacterial and anticorrosive effect of the film body, improve its actual service life, while being provided with anti-blue light layer, the material can make the film body be applied to electronic product field, greatly expand the application effect and range of the film body, material is also provided with reinforcing structure layer inside, can stably improve the strength of film body, not easy to break when using, guarantee its service life. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Fig. 2 It is the exploded view schematic diagram of the utility model;

[0016] In the drawing: 1, base film body; 2, sealing adhesive layer; 3a, anti-fog coating; 3b, anti-scratching coating; 4, reinforcing structure layer; 5, anti-blue light layer; 6, temperature-resistant layer; 7, antibacterial and anticorrosive layer; 8, PET base material. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be described clearly and completely below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the utility model.

[0018] Embodiment: as Figs. 1-2As shown, a kind of anti-fog high-strength PET protective film, including base film body 1, the outer surface of the base film body 1 is provided with anti-fog coating 3a and scratch-resistant coating 3b, the thickness of scratch-resistant coating 3b is greater than anti-fog coating 3a, anti-fog coating 3a effectively prevents water vapor from condensing into beads on the film surface, scratch-resistant coating 3b is the mixture of nano-SiO2 particles and UV curing resin, uniformly coated by coating head, and a solid coating is formed by UV light curing;Sealing glue layer 2 is provided on the outer edge side of the base film body 1, and PET substrate 8 is provided in the base film body 1, the PET substrate 8 adopts multi-layer co-extrusion technology, by adjusting the molecular structure and stretching ratio of each layer of PET, the overall strength and toughness are significantly improved, and the durability of the protective film in complex environment is ensured.

[0019] The specific implementation is that: in the actual use of the base film body 1, the anti-fog coating 3a can make the outer surface of the base film body 1 have good hydrophobic and oleophobic effect, so as to effectively avoid water and oil from adhering to the base film body 1, and the scratch-resistant coating 3b significantly improves the surface strength of the protective film and has excellent scratch resistance;At the same time, the sealing glue layer 2 can prevent water from penetrating between layers from the edge when the base film body 1 is used, and effectively ensure its good sealing performance.

[0020] Further optimization scheme, the anti-fog coating 3a is composed of sorbitol monopalmitate and xylitol ester, the sealing glue layer 2 adopts resin material, one side of the PET substrate 8 is provided with antibacterial and anticorrosive layer 7, the antibacterial and anticorrosive layer 7 is composed of quaternary ammonium salt, trichloroisocyanuric acid and inorganic antibacterial agent, the inorganic antibacterial agent is silver ion antibacterial agent, the side of the antibacterial and anticorrosive layer 7 away from the PET substrate 8 is provided with temperature-resistant layer 6, the temperature-resistant layer 6 is composed of aluminum silicate fiber and carbon fiber material, the side of the temperature-resistant layer 6 away from the antibacterial and anticorrosive layer 7 is provided with anti-blue light layer 5, the anti-blue light layer 5 is composed of polymethyl methacrylate and polycarbonate, the side of the anti-blue light layer 5 away from the temperature-resistant layer 6 is provided with reinforcing structure layer 4, the reinforcing structure layer 4 is composed of carbon fiber and glass fiber.

[0021] The specific implementation is that: the antibacterial and anticorrosive layer 7 can effectively improve the antibacterial and anticorrosive effect of the film body and prolong its actual service life, the anti-blue light layer 5 can make the film body applied to the field of electronic products, greatly expanding the application effect and range of the film body, and the reinforcing structure layer 4 can stably improve the strength of the film body and is not easy to break during use.

[0022] Working principle: in the actual use of the base film body 1, the anti-fog coating 3a can make the outer surface of the base film body 1 have good hydrophobic and oleophobic effect, so as to effectively avoid water and oil adhesion on the base film body 1, meanwhile, the sealing glue layer 2 can effectively ensure the good sealing property of the base film body 1 during use, the antibacterial and anticorrosive layer 7 can effectively improve the antibacterial and anticorrosive effect of the film body, and prolong the actual service life, the anti-blue light layer 5 can make the film body be applied to the field of electronic products, greatly expand the application effect and range of the film body, and the reinforced structure layer 4 can stably improve the strength of the film body, and the film body is not easy to be broken during use, and the thickness of each layer can be appropriately increased to improve the strength, but the too thick protective film can affect the appearance and use experience of the protected object, so it is necessary to find a balance between the strength and practicability.

[0023] The anti-fog high-strength PET protective film disclosed by the utility model can effectively prevent fog condensation, maintain high transparency, and have excellent tear resistance and scratch resistance.

[0024] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, it should be pointed out that, for ordinary skilled person in the art, under the premise of not departing from the utility model concept, change, modification or addition are all covered in the protection scope of the utility model.

Claims

1. An anti-fog high strength PET protective film, characterized in that: The base film body (1) is provided with an anti-fog coating (3a) and an anti-scratch coating (3b) on the outer surface, and is provided with a sealant layer (2) on the outer edge side, and is provided with a PET substrate (8) in the inside, and the anti-scratch coating (3b) is arranged between the anti-fog coating (3a) and the base film body (1).

2. The anti-fog high-strength PET protective film according to claim 1, characterized in that: The thickness of the anti-scratch coating (3b) is greater than that of the anti-fog coating (3a).