CN215551400U

CN215551400U - Corrosion-resistant PET diaphragm

Info

Publication number: CN215551400U
Application number: CN202120902290.4U
Authority: CN
Inventors: 左金云; 何科; 钟志海; 刘谈
Original assignee: Jiangxi Boda Zhiyuan Electronic Material Co ltd
Current assignee: Jiangxi Boda Zhiyuan Electronic Material Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2022-01-18
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a corrosion-resistant PET (polyethylene terephthalate) membrane, belonging to the field of PET membranes, wherein the corrosion-resistant PET membrane comprises an upper layer PET membrane and a lower layer PET membrane; the corrosion-resistant layer is arranged above the upper PET film and is adhered to the surface of the upper PET film through an adhesive; the inflatable layer is arranged above the corrosion-resistant layer, the lower surface of the inflatable layer is bonded with the upper surface of the corrosion-resistant layer through an adhesive, and the inflatable layer is internally wrapped with gas. The utility model discloses a corrosion-resistant PET membrane, which is characterized in that an inflation layer and a corrosion-resistant layer are additionally arranged on the existing PET membrane, and the inflation layer and the corrosion-resistant layer are utilized to improve the wear resistance and the corrosion resistance of the PET membrane.

Description

Corrosion-resistant PET diaphragm

Technical Field

The utility model relates to the field of PET films, in particular to a corrosion-resistant PET film.

Background

The PET film has high tensile strength and good electrical insulation property, is widely applied to the electronic industry, and is required to have higher strength and corrosion resistance aiming at the PET film in the electronic industry. The existing PET film in the market has the problems of easy abrasion and easy scratch.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a corrosion-resistant PET membrane, wherein an inflation layer and a corrosion-resistant layer are additionally arranged on the prior PET membrane, and the inflation layer and the corrosion-resistant layer are utilized to improve the wear resistance and the corrosion resistance of the PET membrane.

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

the utility model provides a corrosion-resistant PET (polyethylene terephthalate) membrane, which comprises an upper layer PET membrane and a lower layer PET membrane; the corrosion-resistant layer is arranged above the upper PET film and is adhered to the surface of the upper PET film through an adhesive; the inflatable layer is arranged above the corrosion-resistant layer, the lower surface of the inflatable layer is bonded with the upper surface of the corrosion-resistant layer through an adhesive, and the inflatable layer is internally wrapped with gas.

Preferably, aerify the layer and be provided with multichannel parallel arrangement's banding, it is a plurality of the banding will it separates to aerify the layer for a plurality of air chambers.

Preferably, the gas wrapped in the gas-filled layer is helium.

Preferably, the corrosion-resistant layer is an aluminized layer, and an aluminized surface of the aluminized layer faces the gas-filled layer.

Preferably, the PET film further comprises an EVA adhesive film, and the EVA adhesive film is arranged between the upper layer PET film and the lower layer PET film.

The utility model has the beneficial effects that:

add gas-filled layer and corrosion-resistant layer on current PET membrane, utilize gas-filled layer and corrosion-resistant layer to improve the resistance to wear and corrosion-resistant performance of PET membrane, divide into a plurality of air chambers with gas-filled layer through sealing device, avoid appearing certain department and aerify the layer and appear the condition that the damage leads to the fact the gas leakage of gas-filled layer of other positions.

Drawings

FIG. 1 is a schematic layer structure diagram of a corrosion-resistant PET film provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an inflation layer in a corrosion-resistant PET film according to an embodiment of the present invention.

In the figure:

1. a lower PET film; 2. an EVA adhesive film; 3. an upper PET film; 4. a corrosion-resistant layer; 5. an air-filled layer; 51. an air chamber; 52. and (7) sealing edges.

Detailed Description

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-2, the corrosion-resistant PET film provided in this embodiment includes an upper PET film 3 and a lower PET film 1; the corrosion-resistant layer 4 is arranged above the upper PET film 3, and the corrosion-resistant layer 4 is adhered to the surface of the upper PET film 3 through an adhesive; still include the inflatable layer 5, inflatable layer 5 sets up in the top of corrosion-resistant layer 4, and inflatable layer 5 lower surface passes through adhesive and 4 upper surface adhesion of corrosion-resistant layer, and the wrapping gas in inflatable layer 5 forms the isolation layer between outside and the diaphragm through setting up inflatable layer 5 and corrosion-resistant layer 4, and when contacting the diaphragm, inflatable layer 5 plays the cushioning effect, reduces the easy wearing and tearing of PET membrane itself, the problem of easy scratch.

In order to avoid the situation that the whole inflatable layer 5 leaks air when the inflatable layer 5 at a certain position is damaged, further, the inflatable layer 5 is provided with a plurality of sealing edges 52 which are arranged in parallel, the inflatable layer 5 is divided into a plurality of air cavities 51 by the sealing edges 52, the sealing edges 52 are formed by plastically packaging the inflatable layer 5 from one side to the other side for a plurality of times through plastic packaging equipment, an independent air cavity 51 is formed between the adjacent sealing edges 52 at the moment, when the air cavity 51 at a certain position is worn and leaked air, other air cavities 51 are not affected, and the work of the whole inflatable layer 5 can still be maintained.

In order to avoid the explosion of the inflatable layer 5, the gas wrapped in the inflatable layer 5 is helium, and the helium belongs to inert gas, so that after the inflatable layer 5 is inflated, the whole inflatable layer 5 is stable, and the explosion of the inflatable layer 5 caused by gas expansion cannot occur.

In order to increase the corrosion resistance of the PET film, further, the corrosion-resistant layer 4 is an aluminized layer, and the aluminized surface of the aluminized layer faces the gas-filled layer 5.

In order to realize the connection of upper and lower PET membrane, further, still include EVA glued membrane 2, EVA glued membrane 2 sets up between upper PET membrane 3 and lower floor PET membrane 1.

While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. A corrosion resistant PET film sheet comprising:

an upper layer PET film (3) and a lower layer PET film (1);

the corrosion-resistant layer (4) is arranged above the upper PET film (3), and the corrosion-resistant layer (4) is adhered to the surface of the upper PET film (3) through an adhesive;

the inflatable layer (5) is arranged above the corrosion-resistant layer (4), the lower surface of the inflatable layer (5) is bonded with the upper surface of the corrosion-resistant layer (4) through an adhesive, and gas is wrapped in the inflatable layer (5).

2. The corrosion-resistant PET film of claim 1, wherein:

aerify layer (5) and be provided with multichannel parallel arrangement's banding (52), it is a plurality of banding (52) will it separates to aerify layer (5) for a plurality of air chambers (51).

3. The corrosion-resistant PET film of claim 1, wherein:

the gas wrapped in the gas-filled layer (5) is helium.

4. The corrosion-resistant PET film of claim 1, wherein:

the corrosion-resistant layer (4) is an aluminum-plated layer, and the aluminum-plated surface of the aluminum-plated layer faces the air-filled layer (5).

5. The corrosion-resistant PET film sheet of claim 1, further comprising:

the EVA adhesive film (2) is arranged between the upper PET film (3) and the lower PET film (1).