CN214881230U

CN214881230U - Self-repairing protective film

Info

Publication number: CN214881230U
Application number: CN202023263222.2U
Authority: CN
Inventors: 刘少飞; 周艺飞
Original assignee: Dongguan Saiyue New Material Technology Co ltd
Current assignee: Dongguan Saiyue New Material Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-11-26
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a self-repairing protective film, which comprises a transparent PET protective film layer, a first silica gel layer, a smooth self-repairing coating, a PET original film layer, a bottom coating adhesive layer, a second silica gel layer, a TPU base layer, an antistatic PU adhesive layer and a release layer which are sequentially stacked from top to bottom; the bottom coat glue layer is coated on the lower surface of the PET original film layer, the first silica gel layer is coated on the lower surface of the transparent PET protective film, and the second silica gel layer is coated on the lower surface of the bottom coat glue layer; therefore, the smooth self-repairing coating is arranged on the PET original film layer, so that the repairing capability is improved, the effect of recovering the design size of the material is better, the service life is prolonged, the smooth self-repairing coating can be effectively protected through the transparent PET protective film layer and the first silica gel layer, and the overall protective performance of the protective film can be improved; and through the setting of antistatic PU glue film, can improve the holistic antistatic behavior of protection film, alleviate the influence that static caused the protection film, guaranteed the use.

Description

Self-repairing protective film

Technical Field

The utility model belongs to the technical field of the protection film technique and specifically relates to indicate a selfreparing protection film.

Background

With the rapid development of modern information technology, touch screen glass has been widely applied to various electronic display products, such as mobile phones, in 2018, with the promotion of full-screen mobile phones by various mobile phone manufacturers, the screen occupation ratio is higher and higher, the full screen of a mobile phone is the development trend of the current mobile phone screen, nowadays, the edges of the bodies and the screens of many mobile phones are designed into arc structures, such as curved-screen mobile phones, and curved-screen mobile phones in the prior art are usually manufactured into 3D curved-surface protective films by forming a composite film by organic silicon or acrylic adhesive and a PET film, then heating, cooling, shaping, and then cutting and shaping through a die cutting process. However, the 3D curved surface protective film in the prior art has poor repair capability, so that the effect of recovering the design size of the material is poor, and the service life is influenced; and, antistatic property is not good enough, so that static electricity easily affects the protective film.

Therefore, a new technology needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a selfreparing protection film, and it is poor to have solved current protection film repairable ability, leads to recovering that the material design size effect is poor, influences life, and antistatic properties is not good enough problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a self-repairing protective film comprises a transparent PET protective film layer, a first silica gel layer, a smooth self-repairing coating, a PET original film layer, a bottom coating adhesive layer, a second silica gel layer, a TPU base layer, an antistatic PU adhesive layer and a release layer which are sequentially stacked from top to bottom; the bottom coating glue layer is coated on the lower surface of the PET original film layer, the first silica gel layer is coated on the lower surface of the transparent PET protective film, and the second silica gel layer is coated on the lower surface of the bottom coating glue layer.

As a preferable scheme, the thickness of the transparent PET protective film layer is 49-51 mu m.

As a preferred scheme, the thickness of the first silica gel layer is 8-12 mu m.

As a preferable scheme, the thickness of the smooth self-repairing coating is 28-32 mu m, and the smooth self-repairing coating is prepared by mixing a curing agent and a flatting agent.

As a preferable scheme, the thickness of the PET original film layer is 14-16 mu m.

As a preferable scheme, the thickness of the bottom coating glue layer is 4-5 mu m.

As a preferable scheme, the thickness of the second silica gel layer is 15-25 mu m.

As a preferable scheme, the thickness of the TPU base layer is 30 mu m.

As a preferable scheme, the thickness of the antistatic PU glue layer is 15-20 mu m.

As a preferred scheme, the release layer is a fluoride release film, and the thickness of the fluoride release film is 50 mu m.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the PET original film layer is provided with the smooth self-repairing coating, so that the repairing capability is improved, the effect of recovering the design size of the material is better, the service life is prolonged, the transparent PET protective film layer and the first silica gel layer can effectively protect the smooth self-repairing coating, and the integral protective performance of the protective film can be improved; and through the setting of antistatic PU glue film, can improve the holistic antistatic behavior of protection film, alleviate the influence that static caused the protection film, guaranteed the use.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of a self-repairing protective film according to an embodiment of the present invention.

The attached drawings indicate the following:

10. transparent PET protective film layer 20 and first silica gel layer

30. Smooth self-repairing coating 40 and PET original film layer

50. First adhesive layer 60 and second adhesive layer

70. TPU basic unit 80, antistatic PU glue film

90. And a release layer.

Detailed Description

Referring to fig. 1, a specific structure of an embodiment of the present invention is shown.

A self-repairing protective film comprises a transparent PET protective film layer 10, a first silica gel layer 20, a smooth self-repairing coating 30, a PET original film layer 40, a bottom coating adhesive layer 50, a second silica gel layer 60, a TPU base layer 70, an antistatic PU adhesive layer 80 and a release layer 90 which are sequentially stacked from top to bottom; the bottom coating adhesive layer 50 is coated on the lower surface of the PET original film layer 40, the first silica gel layer 20 is coated on the lower surface of the transparent PET protective film, and the second silica gel layer 60 is coated on the lower surface of the bottom coating adhesive layer 50. So, set up smooth selfreparing coating 30 on original rete 40 through the PET, make it improve the repair ability for the effect of recovering material design size is better, has prolonged life, through transparent PET protection rete 10, first silica gel layer 20, can protect smooth selfreparing coating effectively, and can improve the holistic protective properties of protection film. And, through the setting of antistatic PU glue film 80, can improve the holistic antistatic behavior of protection film, alleviate the influence that static caused the protection film, guaranteed the use.

Secondly, the thickness of the transparent PET protective film layer 10 is 49-51 mu m; the thickness of the first silica gel layer 20 is 8-12 mu m; the thickness of the smooth self-repairing coating 30 is 28-32 mu m, and preferably, the smooth self-repairing coating 30 is prepared by mixing a curing agent and a flatting agent; the thickness of the PET original film layer 40 is 14-16 mu m; the thickness of the bottom coating adhesive layer 50 is 4-5 mu m; the thickness of the second silica gel layer 60 is 15-25 mu m; the release layer 90 is a fluoride release film, and the thickness of the fluoride release film is 50 mu m. In the embodiment, the thickness of the TPU base layer 70 is controllable, so that the thickness of the whole protective film is thinner, and a better stereoscopic visual effect is achieved; the thickness of the antistatic PU glue layer 80 is 15-20 mu m; and, the PET original film 40 can be used as a base material layer to increase the light transmittance of the entire protective film.

In summary, the design of the utility model is mainly characterized in that the original PET film layer is provided with the smooth self-repairing coating, so that the repairing capability is improved, the effect of the design size of the recovery material is better, the service life is prolonged, the smooth self-repairing coating can be effectively protected through the transparent PET protective film layer and the first silica gel layer, and the overall protective performance of the protective film can be improved; and through the setting of antistatic PU glue film, can improve the holistic antistatic behavior of protection film, alleviate the influence that static caused the protection film, guaranteed the use.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A self-repairing protective film is characterized in that: the PET film comprises a transparent PET protective film layer, a first silica gel layer, a smooth self-repairing coating, a PET original film layer, a bottom coating adhesive layer, a second silica gel layer, a TPU base layer, an antistatic PU adhesive layer and a release layer which are sequentially stacked from top to bottom; the bottom coating glue layer is coated on the lower surface of the PET original film layer, the first silica gel layer is coated on the lower surface of the transparent PET protective film, and the second silica gel layer is coated on the lower surface of the bottom coating glue layer.

2. The self-healing protective film according to claim 1, wherein: the thickness of the transparent PET protection film layer is 49-51 mu m.

3. The self-healing protective film according to claim 1, wherein: the thickness of the first silica gel layer is 8-12 mu m.

4. The self-healing protective film according to claim 1, wherein: the thickness of the smooth self-repairing coating is 28-32 mu m.

5. The self-healing protective film according to claim 1, wherein: the thickness of the PET original film layer is 14-16 mu m.

6. The self-healing protective film according to claim 1, wherein: the thickness of the bottom coating glue layer is 4-5 mu m.

7. The self-healing protective film according to claim 1, wherein: the thickness of the second silica gel layer is 15-25 mu m.

8. The self-healing protective film according to claim 1, wherein: the thickness of the TPU base layer is 30 mu m.

9. The self-healing protective film according to claim 1, wherein: the thickness of the antistatic PU glue layer is 15-20 mu m.

10. The self-healing protective film according to claim 1, wherein: the release layer is a fluoride release film, and the thickness of the fluoride release film is 50 mu m.