CN217968791U

CN217968791U - High tensile strength polyester film

Info

Publication number: CN217968791U
Application number: CN202220680931.0U
Authority: CN
Inventors: 朱晨
Original assignee: Wujiang Youxin New Material Technology Ltd
Current assignee: Wujiang Youxin New Material Technology Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-12-06
Anticipated expiration: 2032-03-28

Abstract

The utility model discloses a high tensile strength polyester film, its technical essential is: including heat-resistant layer, first anti-tear layer, polyester film basic unit, second anti-tear layer and antistatic layer, the lower surface setting on first anti-tear layer is in on the upper surface of polyester film basic unit, the lower surface setting on heat-resistant layer is in on the upper surface on first anti-tear layer, the upper surface setting on second anti-tear layer is in on the lower surface of polyester film basic unit, the upper surface setting of antistatic layer is in on the lower surface on second anti-tear layer, fix on the upper and lower surface in polyester film basic unit through first anti-tear layer and second anti-tear layer, improve polyester film's intensity and pull resistance greatly, avoid when polyester film is using, cause and break, be favorable to improving anti-static performance through the antistatic layer, avoid polyester film to adsorb dust and impurity easily.

Description

High tensile strength polyester film

Technical Field

The utility model relates to the technical field of films, specifically a high tensile strength polyester film.

Background

The film is a thin, soft, transparent sheet. Made of plastic, adhesive, rubber or other materials. The scientific interpretation of the film is as follows: a 2-dimensional material formed by atomic, molecular or ionic deposition on a substrate surface.

The existing polyester film has low tensile strength when in use, is easy to break when in use, cannot be used and has poor practicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high tensile strength polyester film to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high tensile strength polyester film, includes heat-resistant layer, first anti-tear layer, polyester film basic unit, second anti-tear layer and antistatic layer, the lower surface on first anti-tear layer sets up on the upper surface of polyester film basic unit, the lower surface on heat-resistant layer sets up on the upper surface on first anti-tear layer, the upper surface on second anti-tear layer sets up on the lower surface of polyester film basic unit, the upper surface on antistatic layer sets up on the lower surface on second anti-tear layer, first anti-tear layer with the second is anti-tear layer polyamide anti-tear layer.

Preferably, the heat-resistant layer is a polypropylene heat-resistant layer.

Preferably, all be provided with heat-resisting viscose layer on two surfaces of mylar basic unit, first anti-tear layer with the second anti-tear layer all passes through heat-resisting viscose layer is fixed on two surfaces of mylar basic unit.

Preferably, the heat-resistant adhesive layer is a silicone heat-resistant adhesive layer.

Preferably, the antistatic layer is an ionic PET antistatic film layer.

Preferably, the polyester film base layer is a BOPET film base layer.

Preferably, the thickness of the polyester film base layer is 4-6 μm, and the thickness of each of the first tear-resistant layer and the second tear-resistant layer is 2-3 μm.

Compared with the prior art, the beneficial effects of the utility model are that:

in the high-tensile-strength polyester film, the first anti-tearing layer and the second anti-tearing layer are fixed on the upper surface and the lower surface of the polyester film base layer, so that the strength and the tensile strength of the polyester film are greatly improved, and the polyester film is prevented from being broken when in use;

in second, this high tensile strength polyester film, be favorable to strengthening polyester film's heat resistance through the heat-resistant layer, improve the life-span of using, be favorable to improving antistatic performance through the antistatic layer, avoid polyester film to adsorb dust and impurity easily.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the heat-resistant adhesive layer structure of the present invention.

In the figure: 1. a heat-resistant layer; 2. a first tear resistant layer; 3. a polyester film base layer; 4. a second tear resistant layer; 5. an antistatic layer; 6. and a heat-resistant adhesive layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a high tensile strength polyester film comprises a heat-resistant layer 1, a first anti-tearing layer 2, a polyester film base layer 3, a second anti-tearing layer 4 and an antistatic layer 5, wherein the thickness of the polyester film base layer 3 is 4-6 mu m, the thicknesses of the first anti-tearing layer 2 and the second anti-tearing layer 4 are 2-3 mu m, the lower surface of the first anti-tearing layer 2 is arranged on the upper surface of the polyester film base layer 3, the lower surface of the heat-resistant layer 1 is arranged on the upper surface of the first anti-tearing layer 2, the upper surface of the second anti-tearing layer 4 is arranged on the lower surface of the polyester film base layer 3, the upper surface of the antistatic layer 5 is arranged on the lower surface of the second anti-tearing layer 4, first anti-tear layer 2 is polyamide anti-tear layer with second anti-tear layer 4, the water absorption rate through polyester film basic unit 3 is low, the water proofness is good, toughness is better, fix on the upper and lower surface of polyester film basic unit 3 through first anti-tear layer 2 and second anti-tear layer 4, improve polyester film's intensity and pull resistance greatly, avoid when polyester film is using, cause and break, be favorable to reinforcing polyester film's heat resistance through heat-resistant layer 1, the life-span of improving the use, be favorable to improving antistatic performance through antistatic layer 5, avoid polyester film to adsorb dust and impurity easily.

In this embodiment, the heat-resistant layer 1 is preferably a polypropylene heat-resistant layer having chemical resistance, heat resistance, electrical insulation, and high wear-resistant processability.

In this embodiment, preferably, two surfaces of the mylar base layer 3 are provided with the heat-resistant adhesive layers 6, the first anti-tear layer 2 and the second anti-tear layer 4 are fixed on two surfaces of the mylar base layer 3 through the heat-resistant adhesive layers 6, and the first anti-tear layer 2 and the second anti-tear layer 4 are fixed on two surfaces of the mylar base layer 3 through the heat-resistant adhesive layers 6, so that the firmness is improved.

In this embodiment, the heat-resistant adhesive layer 6 is preferably a silicone heat-resistant adhesive layer, which has low surface tension, small viscosity-temperature coefficient, high compressibility, and high gas permeability.

In this embodiment, preferably, antistatic layer 5 is the antistatic thin film layer of ion type PET, and the antistatic thin film layer of ion type PET is favorable to reducing the static on the polyester film, reduces adnexed dust and impurity on the polyester film.

In this embodiment, preferably, the polyester film base layer 3 is a BOPET film base layer, and the BOPET film base layer has the characteristics of high strength, good rigidity, transparency, and high glossiness, and improves the practical performance of the polyester film.

The structure principle is as follows: this high tensile strength polyester film is when using, polyester film basic unit 3 has the water absorption rate low, the water proofness is good, toughness is better, fix through first anti-tear layer 2 and second anti-tear layer 4 and improve polyester film's intensity and pull resistance on the upper and lower surface of polyester film basic unit 3, be favorable to strengthening polyester film's heat resistance through heat-resistant layer 1, the life-span of improving the use, improve polyester film's antistatic behavior through antistatic layer 5, avoid polyester film adsorption dust and impurity on the surface.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high tensile strength polyester film is characterized in that: including heat-resistant layer (1), first anti-tear layer (2), mylar basic unit (3), second anti-tear layer (4) and antistatic layer (5), the lower surface setting of first anti-tear layer (2) is in on the upper surface of mylar basic unit (3), the lower surface setting of heat-resistant layer (1) is in on the upper surface of first anti-tear layer (2), the upper surface setting of second anti-tear layer (4) is in on the lower surface of mylar basic unit (3), the upper surface setting of antistatic layer (5) is in on the lower surface of second anti-tear layer (4), first anti-tear layer (2) with second anti-tear layer (4) are polyamide anti-tear layer.

2. A high tensile strength polyester film according to claim 1, wherein: the heat-resistant layer (1) is a polypropylene heat-resistant layer.

3. A high tensile strength polyester film according to claim 1, wherein: two of polyester film basic unit (3) all are provided with heat-resisting viscose layer (6) on the surface, first anti-tear layer (2) with second anti-tear layer (4) all pass through heat-resisting viscose layer (6) are fixed two of polyester film basic unit (3) are surperficial.

4. A high tensile strength polyester film according to claim 3, wherein: the heat-resistant adhesive layer (6) is a silicone heat-resistant adhesive layer.

5. A high tensile strength polyester film according to claim 1, wherein: the antistatic layer (5) is an ionic PET antistatic film layer.

6. A high tensile strength polyester film according to claim 1, wherein: the polyester film base layer (3) is a BOPET film base layer.

7. A high tensile strength polyester film according to claim 1, wherein: the thickness of the polyester film base layer (3) is 4-6 mu m, and the thickness of the first anti-tearing layer (2) and the thickness of the second anti-tearing layer (4) are both 2-3 mu m.