CN217803748U

CN217803748U - Multi-functional plastic uptake sheet of easily taking off

Info

Publication number: CN217803748U
Application number: CN202221400132.XU
Authority: CN
Inventors: 王广宁; 姚奇; 罗文汉; 肖正险
Original assignee: Guangzhou Profel Film Co ltd
Current assignee: Guangzhou Profel Film Co ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-11-15
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a multi-functional plastic uptake sheet of easily taking off, including protective layer, printing ink layer and easily take off the membrane, the printing ink layer covers on the surface of easily taking off the membrane, and the protective layer covers on the surface on printing ink layer, and easily take off the membrane for crowded membrane altogether, easily take off the membrane including the non-outer and easily take off the inlayer, the printing ink layer covers on the non-outer surface of easily taking off. The easy-to-tear film adopting the co-extrusion film structure has the advantages that the easy-to-tear film is extruded at one time, no delamination risk exists, the easy-to-tear wiredrawing phenomenon is improved, the flatness of the easy-to-tear film is easily controlled, the printing of patterns can be realized only by forming the ink layer on the surface of the easy-to-tear film, the process is simple, the implementation is convenient, and the production cost is low.

Description

Multi-functional plastic uptake sheet of easily taking off

Technical Field

The utility model relates to a packaging film field especially relates to a multi-functional plastic uptake sheet of easily taking off.

Background

The demand of blister sheet packaging of products such as cheese sticks and the like is greatly increased due to the rise of western dairy products such as cheese and the like and snacks in the market at present, but a three-layer dry-type composite structure, namely a printing layer/middle layer/heat sealing layer, is usually used in the blister sheet packaging at present, wherein the printing layer is a printing film with certain printing dimensional stability, the middle layer is a thick sheet made of PS or PVC material and mainly plays a supporting role, and the inner layer is a PE heat sealing layer with an easy-to-tear function and is bonded with the layers through polyurethane glue.

The existing packaging film with a three-layer composite structure needs to be compounded by glue twice in the production process, the production flow is complex, time-consuming and high in cost, especially when the process control is not proper, the inner heat sealing layer and the printing layer have the risk of being layered with the sheet, and the phenomenon of wire drawing is easy to occur when the inner heat sealing layer and the printing layer are uncovered. In addition, the structure is a composite structure of multiple materials, so that the PVC material cannot be recycled as a single material, is not environment-friendly, and particularly contains a lot of additives and has great harm to the environment and personal safety after being combusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional plastic uptake sheet of easily taking off to solve one or more technical problem that exist among the above-mentioned background art.

To achieve the purpose, the utility model adopts the following technical proposal:

the multifunctional easy-to-tear blister sheet comprises a protective layer, an ink layer and an easy-to-tear film, wherein the ink layer covers the surface of the easy-to-tear film, the protective layer covers the surface of the ink layer, the easy-to-tear film is a co-extrusion film, the easy-to-tear film comprises a non-easy-to-tear outer layer and a non-easy-to-tear inner layer, and the ink layer covers the surface of the non-easy-to-tear outer layer.

Preferably, the easy-to-tear film further comprises a barrier layer, wherein the barrier layer is arranged between the ink layer and the non-easy-to-tear outer layer or between the easy-to-tear layer and the non-easy-to-tear layer.

The easy-to-tear film also comprises a non-easy-to-tear middle layer, and the non-easy-to-tear middle layer is arranged between the non-easy-to-tear outer layer and the easy-to-tear inner layer.

Preferably, the thickness of the easily-uncovered film is 100-500 mu m.

Preferably, the ink layer is formed on the non-removable outer layer by gravure printing or flexo printing.

Preferably, the easy-to-tear inner layer, the non-easy-to-tear outer layer and the non-easy-to-tear middle layer are polypropylene co-extruded film layers.

Compared with the prior art, the beneficial effects of the utility model are that: the easy-to-tear film adopting the co-extrusion film structure has the advantages that the easy-to-tear film is extruded at one time, no delamination risk exists, the easy-to-tear wiredrawing phenomenon is improved, the flatness of the easy-to-tear film is easily controlled, the printing of patterns can be realized only by forming the ink layer on the surface of the easy-to-tear film, the process is simple, the implementation is convenient, and the production cost is low.

Drawings

The accompanying drawings are used for further explaining the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.

Fig. 1 is a schematic view of the internal structure of embodiment 1 of the present invention;

fig. 2 is a schematic view of the internal structure of another embodiment of example 1 of the present invention;

fig. 3 is a schematic view of the internal structure of embodiment 2 of the present invention.

Wherein: the ink comprises a protective layer 3, an ink layer 2, an easy-to-tear film 1, a non-easy-to-tear outer layer 12, an easy-to-tear inner layer 11 and a barrier layer 13.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Example 1

The multifunctional easy-to-tear blister sheet of the embodiment, referring to fig. 1, includes a protective layer 3, an ink layer 2 and an easy-to-tear film 1, the ink layer 2 covers the surface of the easy-to-tear film 1, the protective layer 3 covers the surface of the ink layer 2, the easy-to-tear film 1 is a co-extruded film, the easy-to-tear film 1 includes an outer layer 12 and an inner layer 11, and the ink layer 2 covers the surface of the outer layer 12.

The easily-torn film 1 adopting the co-extruded film structure has the advantages that the easily-torn film 1 is extruded at one time, no delamination risk exists, the phenomenon of easily-torn wire drawing is improved, the flatness of the easily-torn film is easily controlled, the printing of patterns can be realized only by forming the ink layer 2 on the surface of the easily-torn film 1, the process is simple, the implementation is convenient, and the production cost is low.

Preferably, a barrier layer 13 is further included, so that the easy-uncovering film 1 has a high barrier function by the barrier layer 13, and is suitable for packaging western-style dairy food such as cheese. Specifically, the barrier layer 13 is disposed between the ink layer 2 and the non-removable outer layer 12, wherein the non-removable outer layer 12 and the non-removable inner layer 11 can be co-extruded in three or more layers, and the non-removable outer layer 12 of the removable film 1 is coated with or evaporated with a high barrier material, so that the barrier layer 13 is formed between the ink layer 2 and the non-removable outer layer 12, thereby providing a high barrier property between the ink layer 2 and the non-removable inner layer 11, and performing the functions of quality preservation, freshness preservation and the like on the packaged food.

In other embodiments, referring to fig. 2, a barrier layer 13 may also be disposed between the release layer and the non-release layer. When the easy-to-tear film 1 is subjected to extrusion casting molding, the easy-to-tear inner layer 11, the high barrier layer 13 and the non-easy-to-tear outer layer 12 can be extruded at one time, so that the production efficiency is improved, and no delamination risk exists. In addition, the easy-to-uncover film 1 can be extruded by five or seven or more layers in a co-extrusion way, and the number of the easy-to-uncover inner layer 11, the barrier layer 13 and the non-easy-to-uncover outer layer 12 of the easy-to-uncover film 1 is not limited and can be set according to actual needs.

Preferably, the thickness of the easily-uncovered film 1 is 100 to 500 mu m. Therefore, the film 1 easy to uncover is 100-500 mu m thick, and a supporting effect is achieved.

Preferably, the ink layer 2 is formed by gravure or flexo printing on the non-removable outer layer 12. Therefore, the surface of the easy-to-uncover film 1 after extrusion casting molding can be printed to form the ink layer 2, and then the protective coating is coated to protect the patterns of the ink layer 2.

Preferably, the easy-to-tear inner layer 11 and the non-easy-to-tear outer layer 12 are polypropylene co-extruded film layers. The easy-to-tear film 1 is made of polypropylene (PP) material, the material is single, and the PP is recyclable material, so that the easy-to-tear film is more environment-friendly and healthy.

Example 2

The utility model provides a multi-functional blister sheet of easily taking off, refers to attached drawing 3, includes protective layer 3, printing ink layer 2 and easily takes off membrane 1, and printing ink layer 2 covers on easily taking off the surface of membrane 1, and protective layer 3 covers on the surface of printing ink layer 2, and easily take off membrane 1 is for crowded membrane altogether, and easily take off membrane 1 is including the outer layer 12 of easily taking off of the non-that sets gradually, the middle level 14 of easily taking off and easily take off inlayer 11, and printing ink layer 2 covers on the surface of the outer layer 12 of easily taking off of non-. This example 2 can be used for exterior packaging of foods that do not require high barrier properties.

Preferably, the easy-release inner layer 11, the non-easy-release middle layer 14 and the non-easy-release outer layer 12 are polypropylene co-extruded film layers. Therefore, the easy-to-tear film 1 can be extruded by three or more layers in a co-extrusion mode, the easy-to-tear film 1 is made of a polypropylene (PP) material, the material is single, and the PP material is a recyclable material, so that the easy-to-tear film is more environment-friendly and healthier.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive step, and these embodiments are all intended to fall within the scope of the present invention.

Claims

1. The multifunctional easy-to-tear blister sheet is characterized by comprising a protective layer, an ink layer and an easy-to-tear film, wherein the ink layer covers the surface of the easy-to-tear film, the protective layer covers the surface of the ink layer, the easy-to-tear film is a co-extrusion film, the easy-to-tear film comprises a non-easy-to-tear outer layer and a non-easy-to-tear inner layer, and the ink layer covers the surface of the non-easy-to-tear outer layer.

2. The multifunctional easy-release blister sheet according to claim 1, wherein the easy-release film further comprises a barrier layer disposed between the ink layer and the non-easy-release outer layer or between the easy-release layer and the non-easy-release layer.

3. The multifunctional easy-release blister sheet according to claim 1, wherein the easy-release film further comprises a non-easy-release middle layer, and the non-easy-release middle layer is disposed between the non-easy-release outer layer and the easy-release inner layer.

4. The multifunctional easy-uncovering blister sheet according to claim 1, characterized in that the thickness of the easy-uncovering film is 100-500 μm.

5. The multifunctional easy-release blister sheet according to claim 1, wherein the ink layer is formed on the non-easy-release outer layer by gravure printing or flexographic printing.

6. The multifunctional easy-release plastic uptake sheet as claimed in claim 3, wherein the easy-release inner layer, the non-easy-release outer layer and the non-easy-release middle layer are polypropylene co-extruded film layers.