CN211764030U

CN211764030U - Heat aging resistance polyethylene terephthalate film

Info

Publication number: CN211764030U
Application number: CN201921091178.6U
Authority: CN
Inventors: 候燕玲
Original assignee: Shenzhen Rijinda Technology Development Co ltd
Current assignee: Shenzhen Rijinda Technology Development Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-10-27
Anticipated expiration: 2029-07-12

Abstract

The utility model relates to a protection film technical field specifically is a heat aging resistance nature polyethylene terephthalate membrane, including first PET base plate and second PET base plate, install anti-interference layer between first PET base plate and the second PET base plate, the strengthening layer is installed to the below of second PET base plate, and the top of first PET base plate is metal insulation layer, and metal insulation layer's upper end is provided with anti ultraviolet layer. The beneficial effects are that: this membrane not only can show the ultraviolet intensity in the light through photosensitive colour-change material still has good anti ultraviolet performance, and can utilize the reinforcing material that the strengthening layer provided good promotion this membrane's structural strength, thereby can play difficult fracture and blast proof purpose, and this membrane can also provide good anti-electromagnetic interference's ability through the anti-interference layer, the upper strata of this membrane can also be effectual absorb the heat and dispel the heat by the graphite layer, thereby can make this membrane have good heat-resisting ageing resistance, the life of this membrane has been improved.

Description

Heat aging resistance polyethylene terephthalate film

Technical Field

The utility model relates to a protection film technical field specifically is a heat aging resistance nature polyethylene terephthalate membrane.

Background

The polyethylene terephthalate film is a commonly used PET film, and is mainly used for insulation protection of electronics and electricity due to good insulation performance, but although the film can resist high temperature, the film still can generate serious thermal aging so as to be difficult to use in a region with strong sunlight for a long time, and the film is easy to deform under stress, so that the phenomenon of short service life and frequent maintenance is caused.

If a polyethylene terephthalate film having a better heat aging resistance and a higher mechanical strength could be invented, such problems could be effectively solved, and for this reason we provide a heat aging resistance polyethylene terephthalate film.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat aging resistance nature polyethylene terephthalate membrane 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 heat aging resistance nature polyethylene terephthalate membrane, including first PET base plate and second PET base plate, install anti-interference layer between first PET base plate and the second PET base plate, the strengthening layer is installed to the below of second PET base plate, and the top of first PET base plate is the metal insulating layer, the upper end of metal insulating layer is provided with anti ultraviolet layer, and the top on anti ultraviolet layer is provided with photosensitive discoloration layer, the top on photosensitive discoloration layer is provided with the protection rete, staggered arrangement has the graphite intermediate layer in the photosensitive discoloration layer, and be connected through heat conduction filler between graphite intermediate layer and the metal insulating layer.

Preferably, the anti-interference layer is composed of an upper conductive layer and a lower conductive layer, the conductive layer is tin foil, and the conductive layer is cobalt-nickel amorphous soft magnetic alloy.

Preferably, the first PET substrate and the second PET substrate are integrally formed with matching grooves matched with the anti-interference layer.

Preferably, the photosensitive color-changing layer is made of MC photosensitive powder, and the protective film layer and the waterproof layer are TPU waterproof transparent films.

Preferably, the heat conducting filler is nano copper powder, and the metal heat insulation layer is aluminum foil.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a polyethylene terephthalate membrane not only can show the ultraviolet intensity in the light through photosensitive colour-changing material and still have good anti ultraviolet performance, and can utilize the structural strength of the good promotion this membrane of reinforcing material that the reinforcing layer provided, thereby can play difficult fracture and explosion-proof purpose, and this membrane can also provide good anti-electromagnetic interference's ability through the anti-interference layer, the upper strata of this membrane can also be effectual with the heat absorption and dispel the heat by the graphite layer, thereby can make this membrane have good heat-resisting ageing resistance, the life of this membrane has been improved, and has very high practical value.

Drawings

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

fig. 2 is a structural matching diagram of the graphite interlayer and the photosensitive color-changing layer of the present invention.

In the figure: the light-sensitive photochromic layer, the ultraviolet-resistant layer 2, the metal heat-insulating layer 3, the first PET substrate 4, the anti-interference layer 5, the conducting layer 501, the magnetic conduction layer 502, the second PET substrate 6, the reinforcing layer 7, the matching groove 8, the graphite interlayer 9, the protective film layer 10 and the heat-conducting filler 11.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 2, the present invention provides a technical solution: a heat aging resistance polyethylene terephthalate film comprises a first PET substrate 4 and a second PET substrate 6, wherein an anti-interference layer 5 is arranged between the first PET substrate 4 and the second PET substrate 6, a strengthening layer 7 is arranged below the second PET substrate 6, a metal heat insulation layer 3 is arranged above the first PET substrate 4, an anti-ultraviolet layer 2 is arranged at the upper end of the metal heat insulation layer 3, a photosensitive color-changing layer 1 is arranged above the anti-ultraviolet layer 2, a protective film layer 10 is arranged above the photosensitive color-changing layer 1, graphite interlayers 9 are arranged in the photosensitive color-changing layer 1 in a staggered manner, and the graphite interlayers 9 are connected with the metal heat insulation layer 3 through a heat conduction filler 11;

anti-interference layer 5 comprises the conducting layer 501 on upper strata and the magnetic conduction layer 502 of lower floor, conducting layer 501 is the tinfoil, and magnetic conduction layer 502 is cobalt nickel amorphous state magnetically soft alloy, homogeneous shaping has the cooperation groove 8 that matches with anti-interference layer 5 on first PET base plate 4 and the second PET base plate 6, the adhesive that packs through cooperation groove 8 intussuseption can be effectual bonds PET base plate and anti-interference layer 5, photosensitive discoloration layer 1 is made by MC photosensitive powder, and protection film layer 10 and waterproof layer 704 are the waterproof transparent membrane of TPU, heat conduction filler 11 is the nanometer copper powder, and metal insulating layer 3 is the aluminium foil, can adopt the OCA adhesive bonding between each layer of this membrane.

The working principle is as follows: the film can effectively shield external electromagnetic interference by using the anti-interference layer 5, and can also effectively improve the overall structural strength of the film by using the strengthening layer 7, so that the film can effectively resist local deformation and obtain good stress performance. The device can also utilize the effectual influence of eliminating ultraviolet ray on anti ultraviolet layer 2, utilize photosensitive colour to become layer 1 and can show the ultraviolet intensity in the light, thereby the person of facilitating the use knows ultraviolet intensity, the device can utilize metal insulating layer 3 to absorb the heat, thereby utilize graphite intermediate layer 9 to lose the heat through heat conduction filler 11 with heat transmission to graphite intermediate layer 9 afterwards, thereby effectual improvement the device's the thermal property, good heat-resisting ageing resistance has been improved, and has very high practical value.

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 heat aging resistant polyethylene terephthalate film comprising a first PET substrate (4) and a second PET substrate (6), characterized in that: install anti-interference layer (5) between first PET base plate (4) and second PET base plate (6), strengthening layer (7) are installed to the below of second PET base plate (6), and the top of first PET base plate (4) is metal insulating layer (3), the upper end of metal insulating layer (3) is provided with anti ultraviolet layer (2), and the top on anti ultraviolet layer (2) is provided with photosensitive discoloration layer (1), the top of photosensitive discoloration layer (1) is provided with protection rete (10), crisscross arrangement has graphite intermediate layer (9) in photosensitive discoloration layer (1), and is connected through heat conduction filler (11) between graphite intermediate layer (9) and metal insulating layer (3).

2. The heat aging resistant polyethylene terephthalate film according to claim 1, wherein: the anti-interference layer (5) is composed of an upper conductive layer (501) and a lower magnetic conduction layer (502), the conductive layer (501) is tin foil, and the magnetic conduction layer (502) is cobalt-nickel amorphous soft magnetic alloy.

3. The heat aging resistant polyethylene terephthalate film according to claim 1, wherein: and the first PET substrate (4) and the second PET substrate (6) are integrally formed with matching grooves (8) matched with the anti-interference layer (5).

4. The heat aging resistant polyethylene terephthalate film according to claim 1, wherein: the photochromic layer (1) is made of MC photosensitive powder, and the protective film layer (10) and the waterproof layer (704) are TPU waterproof transparent films.

5. The heat aging resistant polyethylene terephthalate film according to claim 1, wherein: the heat conducting filler (11) is nano copper powder, and the metal heat insulation layer (3) is aluminum foil.