CN216993420U

CN216993420U - PET (polyethylene terephthalate) aluminum-plated film not prone to being snapped

Info

Publication number: CN216993420U
Application number: CN202122905678.2U
Authority: CN
Inventors: 李帅
Original assignee: Tianjin Deli Film Co ltd
Current assignee: Tianjin Deli Film Co ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-07-19
Anticipated expiration: 2031-11-25

Abstract

The utility model relates to a PET (polyethylene terephthalate) aluminizer not easy to stretch off, which comprises a base layer and an anti-cracking structure, wherein the anti-cracking structure is arranged at the top of the base layer, and a waterproof structure is arranged at the top of the anti-cracking structure; prevent bursting apart the structure and include that vacuum plating is at the layer of aluminizing on substrate surface, the top of aluminizing layer bonds and has the first glutinous layer that glues, the first top that glues glutinous layer bonds and has first enhancement layer, the top of first enhancement layer bonds and has the second to glue glutinous layer, the second glues the top that glues glutinous layer and bonds and has the second enhancement layer, the standing groove that the equidistance distributes is seted up at the top of first enhancement layer, the inboard fixedly connected with rubber layer of standing groove. This difficult PET aluminizer that stretches over easily through preventing that the inside first enhancement layer, second enhancement layer, standing groove and the rubber layer of structure of bursting apart can improve the elasticity and the ductility of basic unit, takes place to burst apart when avoiding the basic unit to use, improves the practicality of basic unit.

Description

PET (polyethylene terephthalate) aluminum-plated film not prone to being snapped

Technical Field

The utility model relates to the technical field of PET (polyethylene terephthalate) aluminum-plated films, in particular to a PET aluminum-plated film which is not easy to stretch off.

Background

The PET aluminizer is a barrier film formed by accumulating a thin layer of aluminum atoms on a high-quality PET film through a vacuum aluminizing process, is widely applied to food packaging, cigarette-blocking industrial packaging, compounding, printing, adhesive labels and the like, is suitable for gold and silver card paper and the like of various high-grade cigarette and wine packaging, gift boxes and the like, and can be used for packaging, trademarks and laser anti-counterfeiting materials of milk powder, tea, medicines, foods and the like.

The PET aluminizer has the advantages of bright metal glossiness, excellent gas and light barrier property, good moisture resistance, heat resistance and puncture resistance, and can replace aluminum foil and the like, but the existing PET aluminizer is easy to crack in use due to poor elasticity in practical application, and the limitation of the use of the PET aluminizer is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the PET aluminizer which is not easy to stretch off, has the advantage of being not easy to crack, and solves the problem that the existing PET aluminizer is easy to crack in use due to poor elasticity in practical application, so that the limitation of the use of the PET aluminizer is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the PET aluminizer not easy to stretch off comprises a base layer and an anti-cracking structure, wherein the anti-cracking structure is arranged at the top of the base layer, and a waterproof structure is arranged at the top of the anti-cracking structure;

the anti-cracking structure comprises an aluminum-plated layer which is plated on the surface of a base layer in a vacuum mode, the top of the aluminum-plated layer is bonded with a first adhesive layer, the top of the first adhesive layer is bonded with a first reinforcing layer, the top of the first reinforcing layer is bonded with a second adhesive layer, the top of the second adhesive layer is bonded with a second reinforcing layer, the top of the first reinforcing layer is provided with placing grooves distributed equidistantly, and the inner side of each placing groove is fixedly connected with a rubber layer.

Furthermore, the waterproof structure comprises a third adhesive layer adhered to the top of the second reinforcing layer, and a first waterproof layer is adhered to the top of the third adhesive layer.

Furthermore, a fourth sticky layer is bonded on the top of the first waterproof layer, and a second waterproof layer is bonded on the top of the fourth sticky layer.

Further, the top of the rubber layer is bonded with the bottom of the second adhesive layer, and the rubber layer is a natural rubber layer.

Further, the first reinforcing layer is a low density polyethylene layer, and the second reinforcing layer is a polyamide film layer.

Further, the basic unit is the PET rete, first waterproof layer is thermoplastic TPU layer elastic layer, the second waterproof layer is the expanded polytetrafluoroethylene layer.

Further, the first adhesive layer, the second adhesive layer, the third adhesive layer and the fourth adhesive layer are ethyl cyanoacrylate adhesive layers.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this PET aluminizer that is difficult for snapping can improve the elasticity and the ductility of basic unit through the aluminizer layer, the first glutinous layer, first enhancement layer, the second of preventing the inside structure of bursting apart glues glutinous layer, second enhancement layer, standing groove and rubber layer, takes place to burst apart when avoiding the basic unit to use, improves the practicality of basic unit.

2. This difficult PET aluminizer that stretches over easily glues glutinous layer, the thermoplastic TPU layer elastic layer that first waterproof layer adopted through the inside third of waterproof construction, has high tension, high pulling force and waterproof function to and the inflation polytetrafluoroethylene layer that the second waterproof layer adopted, have frivolous, durable and waterproof effect, not only can improve the basic unit and possess better elasticity and ductility, make this basic unit possess waterproof performance simultaneously.

Drawings

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

FIG. 2 is a top view of a second reinforcement layer of the structure of the present invention.

In the figure: 1 base layer, 200 anti-cracking structure, 201 aluminum plating layer, 202 first adhesive layer, 203 first reinforcing layer, 204 second adhesive layer, 205 second reinforcing layer, 206 placing groove, 207 rubber layer, 300 waterproof structure, 301 third adhesive layer, 302 first waterproof layer, 303 fourth adhesive layer, 304 second waterproof layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-2, the PET aluminum plating film that is not easily torn off in the present embodiment includes a base layer 1 and an anti-cracking structure 200, the anti-cracking structure 200 is adhered to the top of the base layer 1, and a waterproof structure 300 is adhered to the top of the anti-cracking structure 200, wherein the anti-cracking structure 200 is a structure for improving ductility and elasticity of the base layer 1, and the waterproof structure 300 is a structure for improving waterproof performance of the base layer 1.

The chipping prevention structure in the present embodiment is a structure that improves ductility and elasticity of the base layer 1.

As shown in fig. 1-2, the crack prevention structure 200 in this embodiment includes an aluminum plating layer 201 vacuum-plated on the surface of the base layer 1, a first adhesion layer 202 is adhered to the top of the aluminum plating layer 201, a first reinforcing layer 203 is adhered to the top of the first adhesion layer 202, a second adhesion layer 204 is adhered to the top of the first reinforcing layer 203, a second reinforcing layer 205 is adhered to the top of the second adhesion layer 204, placing grooves 206 are formed on the top of the first reinforcing layer 203 and are equidistantly distributed, and a rubber layer 207 is fixedly connected to the inner side of the placing grooves 206.

In this embodiment, the top of the rubber layer 207 is bonded to the bottom of the second adhesive layer 204, and the rubber layer 207 is a natural rubber layer.

The first reinforcing layer 203 in this embodiment is a low density polyethylene layer, low density polyethylene, also called high pressure polyethylene, is the lightest variety of polyethylene resins, is in the form of milky white, tasteless, odorless, nontoxic and matte wax-like particles, has good flexibility, extensibility, electrical insulation, transparency and easy processability, and has a certain air permeability, and the second reinforcing layer 205 is a polyamide film layer.

The waterproof structure 300 in the present embodiment is a structure that improves the waterproof performance of the base layer 1.

As shown in fig. 1, the waterproof structure 300 in this embodiment includes a third adhesive layer 301 adhered to the top of the second reinforcing layer 205, a first waterproof layer 302 adhered to the top of the third adhesive layer 301, a fourth adhesive layer 303 adhered to the top of the first waterproof layer 302, and a second waterproof layer 304 adhered to the top of the fourth adhesive layer 303.

The base layer 1 in this embodiment is a PET film layer, the first waterproof layer 302 is a thermoplastic TPU layer elastic layer, the second waterproof layer 304 is an expanded polytetrafluoroethylene layer, the expanded polytetrafluoroethylene is a novel medical polymer material, and has a mesh structure formed by connecting microfine fibers, and the microfine fibers form countless fine holes, so that the expanded PTFE can be bent at will, and has the characteristics of lightness, thinness, durability, water resistance, wind resistance and the like.

In this embodiment, the first adhesive layer 202, the second adhesive layer 204, the third adhesive layer 301, and the fourth adhesive layer 303 are all ethyl cyanoacrylate adhesive layers, ethyl cyanoacrylate is an organic compound, is a colorless transparent liquid, can be polymerized at room temperature, can be cured within a few minutes, is mainly used as an instant adhesive, and is formed by condensing ethyl cyanoacetate and formaldehyde into poly-alpha-ethyl cyanoacrylate, and then depolymerizing the poly-alpha-ethyl cyanoacrylate.

The working principle of the embodiment is as follows:

the low-density polyethylene layer that adopts through first enhancement layer 203 has good compliance, the extensibility, the natural rubber layer that rubber layer 207 adopted is gathered by the trefoil tree and is made, the high and high characteristics of elongation of elasticity, can improve the elasticity and the ductility of basic unit 1, the polyamide rete that second enhancement layer 205 adopted has wear-resisting and tough characteristics, improve basic unit 1's toughness, glue glutinous layer 301 through the inside third of waterproof construction 300, the thermoplastic TPU layer elastic layer that first waterproof layer 302 adopted, high tension has, high tension and waterproof function, and the body polytetrafluoroethylene layer that expands that second waterproof layer 304 adopted, it is frivolous to have, durable and waterproof effect, not only can improve basic unit 1 and possess better elasticity and ductility, make this basic unit 1 possess waterproof performance simultaneously.

Compared with the prior art: through the inside aluminized layer 201 of preventing bursting apart structure 200, first glue glutinous layer 202, first enhancement layer 203, the second glues glutinous layer 204, second enhancement layer 205, standing groove 206 and rubber layer 207 can improve basic unit 1's elasticity and ductility, take place to burst apart when avoiding basic unit 1 to use, improve basic unit 1's practicality, glue glutinous layer 301 through the inside third of waterproof construction 300, the thermoplastic TPU layer elastic layer that first waterproof layer 302 adopted, high tension has, high tension and waterproof function, and the inflation body polytetrafluoroethylene layer that second waterproof layer 304 adopted, it is frivolous to have, durable and waterproof effect, not only can improve basic unit 1 and possess better elasticity and ductility, make this basic unit 1 possess waterproof performance simultaneously.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

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

Claims

1. A PET aluminizer not easy to stretch off is characterized in that: the anti-cracking building base layer comprises a base layer (1) and an anti-cracking structure (200), wherein the anti-cracking structure (200) is arranged at the top of the base layer (1), and a waterproof structure (300) is arranged at the top of the anti-cracking structure (200);

prevent bursting apart structure (200) including vacuum plating at the aluminized layer (201) on basic unit (1) surface, the top of aluminized layer (201) bonds and has first gluing glutinous layer (202), the top of first gluing glutinous layer (202) bonds and has first enhancement layer (203), the top of first enhancement layer (203) bonds and has second gluing glutinous layer (204), the top of second gluing glutinous layer (204) bonds and has second enhancement layer (205), equidistant distribution's standing groove (206) is seted up at the top of first enhancement layer (203), the inboard fixedly connected with rubber layer (207) of standing groove (206).

2. The non-snapping PET aluminizer according to claim 1, wherein: the waterproof structure (300) comprises a third adhesive layer (301) adhered to the top of the second reinforcing layer (205), and a first waterproof layer (302) is adhered to the top of the third adhesive layer (301).

3. The non-snapping PET aluminizer according to claim 2, wherein: a fourth sticky layer (303) is bonded to the top of the first waterproof layer (302), and a second waterproof layer (304) is bonded to the top of the fourth sticky layer (303).

4. The non-snapping PET aluminizer according to claim 1, wherein: the top of the rubber layer (207) is adhered to the bottom of the second adhesive layer (204), and the rubber layer (207) is a natural rubber layer.

5. The non-pop PET aluminum laminate film according to claim 1, wherein: the first reinforcement layer (203) is a low density polyethylene layer and the second reinforcement layer (205) is a polyamide film layer.

6. The non-pop PET aluminum laminate film according to claim 3, wherein: the base layer (1) is a PET film layer, the first waterproof layer (302) is a thermoplastic TPU layer elastic layer, and the second waterproof layer (304) is an expanded polytetrafluoroethylene layer.

7. The non-pop PET aluminum laminate film according to claim 3, wherein: the first adhesive layer (202), the second adhesive layer (204), the third adhesive layer (301) and the fourth adhesive layer (303) are all ethyl cyanoacrylate adhesive layers.