Anti-static PET (Polyethylene Terephthalate) film

Abstract

The utility model discloses an anti-static PET (Polyethylene Terephthalate) film which comprises a PET base film and an anti-static film, the surface of the PET base film is covered with the anti-static film, a film tearing conductive structure is arranged on one side of the anti-static film, the anti-static film is torn off and replaced through the film tearing conductive structure, the anti-static film (2) comprises a base layer (3) and an anti-static layer (4), and the anti-static layer (4) is attached to the upper portion of the base layer (3). According to the utility model, the anti-static film can be replaced; when the anti-static film is abraded or aged, only the anti-static film needs to be torn off through the film tearing piece, and only the anti-static film needs to be replaced with a new anti-static film.

Description

Technical Field

[0001] The utility model relates to a PET film, in particular to an antistatic PET film. Background Art

[0002] With the continuous advancement of science and technology, the application scope of electronic products is becoming more and more extensive. However, due to the existence of static electricity, electronic products may suffer from static electricity interference during production, transportation and use, thus affecting their normal operation.

[0003] Secondly, the antistatic layer is prone to aging, which in turn affects its antistatic performance. The entire antistatic PET film needs to be replaced, increasing costs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an antistatic PET film to solve the problem that electronic products may be subject to electrostatic interference during production, transportation and use, thereby affecting their normal operation, and the antistatic layer is prone to aging, which in turn affects its antistatic performance, and the entire antistatic PET film needs to be replaced, increasing the cost.

[0005] The utility model antistatic PET film is realized by the following technical scheme: comprising a PET base film and an antistatic film;

[0006] The antistatic film is covered on the surface of the PET base film, and a film tearing structure is arranged on one side of the antistatic film, and the antistatic film can be torn off and replaced through the film tearing conductive structure.

[0007] As a preferred technical solution, the antistatic film includes a base layer and an antistatic layer, and the antistatic layer is attached to the top of the base layer; the film-tearing conductive structure includes a film-tearing sheet and a conductive sheet arranged above the film-tearing sheet, and the film-tearing sheet is arranged on one side of the base layer, and a fixing groove is arranged above one side of the base layer, and the position of the fixing groove corresponds to the position of the film-tearing sheet; the conductive sheet is arranged in the fixing groove, and one end of the conductive sheet corresponds to the position of the film-tearing sheet; the other end of the conductive sheet is connected to the antistatic layer.

[0008] As a preferred technical solution, the PET base film is a transparent film made of polyester resin.

[0009] As a preferred technical solution, the base layer of the antistatic film is made of polyvinyl chloride, the antistatic layer is made of a conductive polymer material, and the antistatic layer is attached to the surface of the base layer.

[0010] As a preferred technical solution, the antistatic PET film has a thickness of 5-100 μm.

[0011] As a preferred technical solution, the antistatic layer thickness of the antistatic film is 0.01-5 μm.

[0012] As a preferred technical solution, the light transmittance of the antistatic film is greater than 90%.

[0013] As a preferred technical solution, the antistatic layer is made of one or more of polystyrene, polyethylene, polypropylene, polyphenylene sulfide, polystyrene-butadiene copolymer, polystyrene-acrylic acid copolymer, polystyrene-acrylic acid-methacrylic acid copolymer, and polystyrene-butylene-styrene copolymer.

[0014] As a preferred technical solution, the conductive sheet is externally connected with a lead wire, and static electricity is conducted through the lead wire.

[0015] The beneficial effects of the utility model are:

[0016] 1. The antistatic layer of the utility model is made of conductive polymer material and attached to the surface of the base layer. It has good antistatic performance and can effectively prevent the generation and accumulation of static electricity.

[0017] 2. The PET base film of the utility model is a transparent film made of polyester resin, which has good light transmittance. The light transmittance of the antistatic film is greater than 90%, which will not affect the use of electronic products and optical instruments.

[0018] 3. A film-tearing conductive structure is provided on one side of the antistatic film of the utility model, which can be used to replace the antistatic film; when the antistatic film is worn or aged, the antistatic film can be replaced with a new one by simply tearing off the film-tearing sheet.

[0019] 4. The conductive sheet of the utility model is externally connected with a lead wire, through which static electricity can be conducted out, thus protecting the safety of electronic products and optical instruments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the explosion structure of the utility model;

[0022] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the utility model.

[0024] Reference numerals

[0025] 1. PET base film; 2. Antistatic film; 3. Base layer; 4. Antistatic layer; 5. Tear film sheet; 6. Conductive sheet; 7. Fixing slot. DETAILED DESCRIPTION

[0026] All features disclosed in this specification, or steps in all methods or processes disclosed, except mutually exclusive features and / or steps, can be combined in any manner.

[0027] like Figure 1 — Figure 3 As shown, an antistatic PET film of the utility model comprises a PET base film 1 and an antistatic film 2;

[0028] The antistatic film 2 covers the surface of the PET base film 1, and a film tearing structure is provided on one side of the antistatic film 2, and the antistatic film 2 can be torn off and replaced through the film tearing conductive structure.

[0029] The antistatic film 2 includes a base layer 3 and an antistatic layer 4, and the antistatic layer 4 is attached to the base layer 3;

[0030] In order to play the role of film tearing, in the present embodiment, the film tearing conductive structure includes a film tearing sheet 5 and a conductive sheet 6 arranged above the film tearing sheet 5, the film tearing sheet 5 is arranged on one side of the base layer 3, and a fixing groove 7 is arranged above one side of the base layer 3, and the position of the fixing groove 7 corresponds to the position of the film tearing sheet 5; the conductive sheet 6 is arranged in the fixing groove 7, and one end of the conductive sheet 6 corresponds to the position of the film tearing sheet 5; the other end of the conductive sheet 6 is connected to the antistatic layer 4.

[0031] The PET base film 1 is a transparent film made of polyester resin.

[0032] The base layer 3 of the antistatic film 2 is made of polyvinyl chloride, the antistatic layer 4 is made of a conductive polymer material, and the antistatic layer 4 is attached to the surface of the base layer 3 .

[0033] Wherein, the thickness of the antistatic PET film is 5-100 μm.

[0034] The antistatic layer 4 of the antistatic film 2 has a thickness of 0.01-5 μm.

[0035] In addition, the light transmittance of the antistatic film 2 is greater than 90%, which does not affect the display effect.

[0036] In order to realize the production of the antistatic layer, in the present embodiment, the antistatic layer 4 is made of one or more of polystyrene, polyethylene, polypropylene, polyphenylene sulfide, polystyrene-butadiene copolymer, polystyrene-acrylic acid copolymer, polystyrene-acrylic acid-methacrylic acid copolymer, and polystyrene-butylene-styrene copolymer.

[0037] In order to conduct away the static electricity, in this embodiment, the conductive sheet 6 is externally connected with a lead wire, and the static electricity is conducted away through the lead wire.

[0038] The antistatic PET film achieves the purpose of antistatic by covering the surface of the PET base film with an antistatic film; the antistatic film is composed of a base layer and an antistatic layer, and the antistatic layer is attached to the surface of the base layer; the film-tearing conductive structure includes a film-tearing sheet and a conductive sheet, the film-tearing sheet is arranged on one side of the base layer, and the conductive sheet is arranged in a fixed groove and connected to the antistatic layer. When the antistatic layer needs to be replaced, it can be torn off through the film-tearing conductive structure; the light transmittance of the antistatic film is greater than 90%, which does not affect the display effect; the antistatic layer is made of one or more of polystyrene, polyethylene, polypropylene, polyphenylene sulfide, polystyrene-butadiene copolymer, polystyrene-acrylic acid copolymer, polystyrene-acrylic acid-methacrylic acid copolymer, and polystyrene-butylene-styrene copolymer. The conductive sheet conducts static electricity through a lead.

[0039] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. An antistatic PET film, characterized in that: include: PET base film (1) and antistatic film (2); The antistatic film (2) covers the surface of the PET base film (1), and a film-tearing conductive structure is provided on one side of the antistatic film (2), and the antistatic film (2) can be torn off and replaced through the film-tearing conductive structure.

2. The antistatic PET film according to claim 1, characterized in that: The antistatic film (2) comprises a base layer (3) and an antistatic layer (4), and the antistatic layer (4) is attached to the base layer (3).

3. The antistatic PET film according to claim 1, characterized in that: The film-tearing conductive structure comprises a film-tearing sheet (5) and a conductive sheet (6) arranged above the film-tearing sheet (5); the film-tearing sheet (5) is arranged on one side of the base layer (3), and a fixing groove (7) is arranged above one side of the base layer (3), and the position of the fixing groove (7) corresponds to the position of the film-tearing sheet (5); the conductive sheet (6) is arranged in the fixing groove (7), and one end of the conductive sheet (6) corresponds to the position of the film-tearing sheet (5); the other end of the conductive sheet (6) is connected to the antistatic layer (4).

4. The antistatic PET film according to claim 1, characterized in that: The PET base film (1) is a transparent film made of polyester resin.

5. The antistatic PET film according to claim 1, characterized in that: The base layer (3) of the antistatic film (2) is made of polyvinyl chloride, the antistatic layer (4) is made of a conductive polymer material, and the antistatic layer (4) is attached to the surface of the base layer (3).

6. The antistatic PET film according to claim 1, characterized in that: The thickness of the antistatic PET film is 5-100 μm.

7. The antistatic PET film according to claim 1, characterized in that: The antistatic layer (4) of the antistatic film (2) has a thickness of 0.01-5 μm.

8. The antistatic PET film according to claim 1, characterized in that: The light transmittance of the antistatic film (2) is greater than 90%.

9. The antistatic PET film according to claim 3, characterized in that: The conductive sheet (6) is externally connected to a lead wire, and static electricity is discharged through the lead wire.

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