CN220439117U

CN220439117U - Anti-counterfeiting TPU high-low temperature film

Info

Publication number: CN220439117U
Application number: CN202322245656.7U
Authority: CN
Inventors: 李锋
Original assignee: Guangdong Zhongding Technology Development Co ltd
Current assignee: Guangdong Zhongding Technology Development Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-02-02
Anticipated expiration: 2033-08-18

Abstract

The utility model relates to the technical field of anti-counterfeiting, in particular to an anti-counterfeiting TPU high-low temperature film which comprises a water-contacting color developing layer, a pattern layer, a piezochromic layer and a TPU carrier layer, wherein the pattern layer comprises a plurality of protruding parts, air cavities are arranged in the protruding parts, the upper ends of the protruding parts are connected with the water-contacting color developing layer, the lower ends of the protruding parts are connected with the upper surface of the piezochromic layer, and the lower surface of the piezochromic layer is connected with the upper surface of the TPU carrier layer. The anti-counterfeiting TPU high-low temperature film is convenient to use, can form multiple anti-counterfeiting means and has strong anti-counterfeiting capacity.

Description

Anti-counterfeiting TPU high-low temperature film

Technical Field

The utility model relates to the technical field of anti-counterfeiting, in particular to an anti-counterfeiting TPU high-low temperature film.

Background

At present, the anti-counterfeiting label is widely applied to various industries because of being capable of preventing the production and sales of counterfeit products and protecting the rights and interests of brands and consumers. In the current packaging anti-counterfeiting field, anti-counterfeiting films are generally adopted, such as sticking a piece of anti-counterfeiting film on the surface of a product package. The anti-counterfeiting film is generally of a single-layer film structure, the surface of the film is printed with single-color or colorful anti-counterfeiting patterns, then the film is glued on the back of the film and then stuck on the surface of the package, the anti-counterfeiting film shows old aging, the anti-counterfeiting structure is single, the visual information is less, and the anti-counterfeiting film is easy to forge or imitate.

Disclosure of Invention

In order to overcome the defects and the shortcomings in the prior art, the utility model aims to provide the anti-counterfeiting TPU high-low temperature film which is convenient to use, can form multiple anti-counterfeiting means and has strong anti-counterfeiting capacity.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a but anti-fake TPU high low temperature film, includes color development layer, pattern layer, piezochromic layer and TPU carrier layer of meeting water, the pattern layer includes a plurality of bellying, be equipped with the air cavity in the bellying, the upper end and the color development layer of meeting water of bellying are connected, the lower extreme and the upper surface of piezochromic layer of bellying are connected, the lower surface and the upper surface of TPU carrier layer of piezochromic layer are connected.

Further, the pattern layer further comprises a temperature sensing color-changing layer, the upper surface of the temperature sensing color-changing layer is connected with the lower surface of the color-developing layer when meeting water, the lower surface of the temperature sensing color-changing layer is connected with the upper surface of the piezochromic layer, and the plurality of protruding parts are arranged on the periphery of the temperature sensing color-changing layer in a surrounding mode.

Further, the thermochromic layer is a two-dimensional code pattern layer.

Further, the protruding portion is a transparent protruding portion.

Further, a plurality of protruding portions are connected in sequence and are arranged around the periphery of the thermochromic layer in a surrounding mode.

Further, gaps are formed between the adjacent protruding portions, and a plurality of the adjacent protruding portions are arranged on the periphery of the thermochromic layer in a surrounding mode.

Further, the hot melt adhesive layer is further included, and the upper surface of the hot melt adhesive layer is connected with the TPU carrier layer.

The utility model has the beneficial effects that: the anti-counterfeiting TPU high-low temperature film is simple in structure, the water-meeting color development layer, the pattern layer and the piezochromic layer form a multiple anti-counterfeiting means, anti-counterfeiting content is not easy to copy and forge, the anti-counterfeiting strength of the anti-counterfeiting TPU high-low temperature film is greatly enhanced, the anti-counterfeiting performance of the anti-counterfeiting TPU high-low temperature film is improved, the water-meeting color development layer, the pattern layer, the piezochromic layer and the TPU carrier layer are sequentially arranged from top to bottom, and the protruding part is used for slowing down the collision of the outside to the pattern layer and the piezochromic layer and plays a role in protecting.

Drawings

FIG. 1 is a partial cross-sectional view of a high and low temperature anti-counterfeit TPU film;

FIG. 2 is a schematic diagram of the connection of the pattern layer and the piezochromic layer in example 1;

fig. 3 is a schematic diagram of the connection between the pattern layer and the piezochromic layer in example 2.

The reference numerals include:

1. a water-contacting color-developing layer; 2. a boss; 3. a thermochromic layer; 4. a piezochromic layer; 5. a TPU carrier layer; 6. and a hot melt adhesive layer.

Detailed Description

The present utility model will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Example 1

As shown in fig. 1-2, the anti-counterfeiting TPU high-low temperature film comprises a water-contacting color developing layer 1, a pattern layer, a piezochromic layer 4 and a TPU carrier layer 5, wherein the water-contacting color developing layer 1 is a water-contacting color developing water-based ink layer, the piezochromic layer 4 is a pressure-sensitive paint layer, the pattern layer comprises a plurality of protruding portions 2, an air cavity is arranged in each protruding portion 2, the upper ends of the protruding portions 2 are connected with the water-contacting color developing layer 1, the lower ends of the protruding portions 2 are connected with the upper surface of the piezochromic layer 4, and the lower surface of the piezochromic layer 4 is connected with the upper surface of the TPU carrier layer 5. The pattern layer comprises a pattern, text, or a combination thereof.

The anti-counterfeiting TPU high-low temperature film is sequentially provided with a water-contacting color developing layer 1, a pattern layer, a piezochromic layer 4 and a TPU carrier layer 5 from top to bottom, wherein the water-contacting color developing layer 1 adopts water-contacting color developing water-based ink which becomes transparent when being contacted with water to display the color and the pattern of the pattern layer; the pressure-sensitive paint is adopted by the pressure-sensitive layer 4, and the pressure-sensitive paint emits light under the irradiation of ultraviolet light, and the light-emitting degree is in direct proportion to the pressure applied to the surface of the pressure-sensitive layer 4; the TPU carrier layer 5 is beneficial to improving the performances of good elasticity, impact resistance and the like of the high-low temperature film; the bulge part 2 is used for relieving the collision of the outside on the pattern layer and the piezochromic layer 4, and plays a role in protection. The water-contacting color developing layer 1, the pattern layer and the piezochromic layer 4 form a multiple anti-counterfeiting means, the anti-counterfeiting content is not easy to copy and forge, so that the anti-counterfeiting strength of the anti-counterfeiting content is greatly enhanced, and the anti-counterfeiting performance of the anti-counterfeiting content is improved.

In this embodiment, the pressure-sensitive coating is a pressure-sensitive coating of the prior art, and the water-based ink for color development in water is a water-based ink for color development in water of the prior art, which is used here.

Further, the pattern layer further comprises a thermochromic layer 3, the upper surface of the thermochromic layer 3 is connected with the lower surface of the water-contacting color-developing layer 1, the lower surface of the thermochromic layer 3 is connected with the upper surface of the piezochromic layer 4, and a plurality of the protruding portions 2 are arranged on the periphery of the thermochromic layer 3 in a surrounding mode. The temperature sensing color-changing layer 3 adopts reversible temperature changing ink, the image and text is displayed in a certain specific color state at normal temperature, the color of the image and text can disappear to be changed into another color state after heating, and the original color of the image and text is restored immediately after cooling, so that the threshold of counterfeiting products is further improved.

Further, the thermochromic layer 3 is a two-dimensional code pattern layer, and the two-dimensional code pattern layer contains thermochromic materials. The thermochromic material displays different colors at different temperatures, so that the two-dimensional code image layer displays different colors at different temperatures, and the anti-counterfeiting content on the two-dimensional code image layer is effectively protected from being copied.

Further, the protruding portion 2 is a transparent protruding portion 2, so that the color change of the piezochromic layer 4 due to the pressure change is conveniently revealed. In this embodiment, the boss 2 is made of an elastic material.

Further, the plurality of protruding portions 2 are connected end to end and are arranged around the outer periphery of the thermochromic layer 3. The bulge part 2 is used for relieving the collision of the outside to the thermochromic layer 3, and plays a role in protection.

Further, the anti-counterfeiting TPU high-low temperature film further comprises a hot melt adhesive layer 6, and the upper surface of the hot melt adhesive layer 6 is connected with the TPU carrier layer 5. The hot melt adhesive is used for firmly adhering the anti-counterfeiting TPU high-low temperature film to the surface of a product, and has a wide application range.

Example 2

As shown in fig. 3, unlike example 1, in example 2, a gap is provided between the adjacent convex portions 2, and a plurality of the adjacent convex portions 2 are provided around the outer periphery of the thermochromic layer 3. The gap is convenient for exposing the color change of the piezochromic layer 4 caused by the pressure change, and the structure is simple.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. An anti-counterfeiting TPU high-low temperature film is characterized in that: including meeting water color development layer (1), pattern layer, piezochromic layer (4) and TPU carrier layer (5), the pattern layer includes a plurality of bellying (2), be equipped with the air cavity in bellying (2), the upper end and the meeting water color development layer (1) of bellying (2) are connected, the lower extreme and the upper surface of piezochromic layer (4) of bellying (2) are connected, the lower surface and the upper surface of TPU carrier layer (5) of piezochromic layer (4) are connected.

2. The anti-counterfeiting TPU high-low temperature film according to claim 1, wherein: the pattern layer also comprises a thermochromic layer (3), the upper surface of the thermochromic layer (3) is connected with the lower surface of the water-contacting color-developing layer (1), and the lower surface of the thermochromic layer (3) is connected with the upper surface of the piezochromic layer (4).

3. The anti-counterfeiting TPU high-low temperature film according to claim 2, wherein: the thermochromic layer (3) is a two-dimensional code pattern layer.

4. The anti-counterfeiting TPU high-low temperature film according to claim 1, wherein: the protruding part (2) is a transparent protruding part (2).

5. The anti-counterfeiting TPU high-low temperature film according to claim 2, wherein: the plurality of protruding parts (2) are connected end to end in sequence and are arranged around the periphery of the thermochromic layer (3).

6. The anti-counterfeiting TPU high-low temperature film according to claim 2, wherein: gaps are arranged between the adjacent protruding parts (2), and a plurality of adjacent protruding parts (2) are surrounded on the periphery of the thermochromic layer (3).

7. The anti-counterfeiting TPU high-low temperature film according to claim 1, wherein: the hot melt adhesive layer (6) is further included, and the upper surface of the hot melt adhesive layer (6) is connected with the TPU carrier layer (5).