An environmentally friendly composite film with touch-resistant anti-counterfeiting mark

Abstract

The utility model belongs to the technical field of composite films, and specifically discloses an environment-friendly composite film with a touch anti-counterfeiting mark, comprising a film body, wherein the film body comprises a top layer, a middle layer and a bottom layer, wherein the top layer is arranged on the top of the middle layer, the middle layer is arranged on the top of the bottom layer, the top layer comprises a wear-resistant layer, a waterproof layer and a transparent layer, the wear-resistant layer is arranged on the top of the waterproof layer, the waterproof layer is arranged on the top of the transparent layer, the middle layer comprises a horizontal line layer, a semi-transparent and semi-reflective layer, a vertical line layer and a reinforcement layer, and the environment-friendly composite film with a touch anti-counterfeiting mark forms a grid by overlapping the horizontal line layer and the vertical line layer, so that the internal horizontal and vertical tensile forces are improved to a certain extent, and the internal strength of the film body is improved, and the chitin fiber has excellent tensile strength, biocompatibility, degradability, spinnability and other characteristics, and the reinforcement layer improves the tear resistance and environmental protection performance of the film body.

Description

Technical Field

[0001] The utility model relates to the technical field of composite films, in particular to an environmentally friendly composite film with a touch anti-counterfeiting mark. Background Art

[0002] Laser composite film is a PET or OPP film packaging material that is coated and then embossed on its surface with a embossing machine to produce a laser effect. Plain laser is one of the laser effects. The type of laser effect depends on the type of embossing plate on the embossing machine. It is based on the coherent radiation generated by the principle of stimulated radiation amplification and is formed through printing and other processes. The laser composite film has strong anti-counterfeiting properties and is mainly suitable for candy, food, snacks, toys, gifts, clothing, etc.

[0003] After searching, the existing Chinese patent announcement number is: CN213534118U, which provides an environmentally friendly laser anti-counterfeiting composite film, belonging to the technical field of laser composite films, including a film body, and an environmentally friendly water-soluble layer is arranged in the center of the film body, which can improve the aging resistance of the laser composite film and is environmentally friendly. After use and disposal, it is easy to degrade and will not pollute the environment. It also improves the anti-counterfeiting effect of the laser composite film.

[0004] Although the above patent can improve the anti-counterfeiting effect of the laser composite film, the above film body still has the following problems: since the film body has no reinforcement structure, the overall strength and tensile resistance of the film body are poor, so that the film body is easily torn and deformed by external force, or damaged, thereby reducing the aesthetic appearance of the film body on the object packaging. In view of the above situation, technical innovation is carried out on the basis of the existing device. Utility Model Content

[0005] The purpose of the utility model is to provide an environmentally friendly composite film with a touch anti-counterfeiting mark to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an environmentally friendly composite film with a touch anti-counterfeiting mark, comprising a film body, wherein the film body comprises a top layer, a middle layer and a bottom layer, the top layer is arranged on the top of the middle layer, the middle layer is arranged on the top of the bottom layer, the top layer comprises a wear-resistant layer, a waterproof layer and a transparent layer, the wear-resistant layer is arranged on the top of the waterproof layer, the waterproof layer is arranged on the top of the transparent layer, and the middle layer comprises a horizontal line layer, a semi-transparent and semi-reflective layer, a vertical line layer and a strengthening layer.

[0007] Preferably, a convex strip is fixedly connected to the top of the membrane body, and the convex strip is arranged on the top of the membrane body in an inclined shape.

[0008] Preferably, the horizontal line layer is arranged on the top of the semi-transparent and semi-reflective layer, the vertical line layer is arranged on the bottom of the semi-transparent and semi-reflective layer, the strengthening layer is arranged on the bottom of the vertical line layer, and the horizontal line layer is arranged on the bottom of the transparent layer.

[0009] Preferably, the bottom layer includes a base layer, an aluminum foil layer and an oil-proof layer, the base layer is arranged on the top of the aluminum foil layer, the aluminum foil layer is arranged on the top of the oil-proof layer, and the base layer is arranged on the bottom of the strengthening layer.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The environmentally friendly composite film with a touch anti-counterfeiting mark forms a grid by overlapping the horizontal line layer and the vertical line layer, so that the internal horizontal and vertical tensile forces are improved to a certain extent, and the internal strength of the film is improved. The chitin fiber has excellent tensile strength, biocompatibility, degradability and spinnability, and the strengthening layer improves the tear resistance and environmental protection performance of the film.

[0012] 2. The environmentally friendly composite film with touch anti-counterfeiting mark, through the cooperation of convex strips, transparent layer, horizontal line layer and semi-transparent and semi-reflective layer, enables the convex strips to block the light reflected by the semi-transparent and semi-reflective layer, and form anti-counterfeiting again, so that the anti-counterfeiting property of the film is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of an environmentally friendly composite film with a touch anti-counterfeiting mark according to the utility model;

[0014] Figure 2 It is a structural schematic diagram of the membrane body of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the top layer of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the middle layer of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the bottom layer of the utility model.

[0018] In the figure: 1. membrane body; 2. convex strips; 3. top layer; 4. middle layer; 5. bottom layer; 6. wear-resistant layer; 7. waterproof layer; 8. transparent layer; 9. horizontal line layer; 10. semi-transparent and semi-reflective layer; 11. vertical line layer; 12. strengthening layer; 13. base layer; 14. aluminum foil layer; 15. oil-proof layer. DETAILED DESCRIPTION

[0019] See also Figure 1-5The utility model provides a technical solution: an environmentally friendly composite film with a touch anti-counterfeiting mark, including a film body 1, the film body 1 includes a top layer 3, a middle layer 4 and a bottom layer 5, the top layer 3 is arranged on the top of the middle layer 4, the middle layer 4 is arranged on the top of the bottom layer 5, the top layer 3 includes a wear-resistant layer 6, a waterproof layer 7 and a transparent layer 8, the wear-resistant layer 6 is arranged on the top of the waterproof layer 7, and the waterproof layer 7 is arranged on the top of the transparent layer 8.

[0020] Specifically, the wear-resistant layer 6 is made of polytetrafluoroethylene, thereby improving the corrosion resistance and wear resistance of the membrane body 1 to a certain extent. The waterproof layer 7 is made of a waterproof and breathable membrane, which can improve the waterproofness of the membrane body 1 to a certain extent. The transparent layer 8 is made of polymethyl methacrylate.

[0021] Furthermore, a convex strip 2 is fixedly connected to the top of the film body 1 , and the convex strip 2 is arranged at the top of the film body 1 in an inclined shape. Through the inclined arrangement of the convex strip 2 , the user can perform anti-counterfeiting identification after touching the texture of the convex strip 2 .

[0022] Furthermore, the middle layer 4 includes a transverse line layer 9, a semi-transparent and semi-reflective layer 10, a longitudinal line layer 11 and a reinforcement layer 12. The transverse line layer 9 is arranged on the top of the semi-transparent and semi-reflective layer 10, the longitudinal line layer 11 is arranged on the bottom of the semi-transparent and semi-reflective layer 10, and the reinforcement layer 12 is arranged on the bottom of the longitudinal line layer 11. The transverse line layer 9 and the longitudinal line layer 11 are overlapped with each other to form a grid, so that the internal transverse and longitudinal tensile forces are improved to a certain extent, and the internal strength of the membrane body 1 is improved. The material of the semi-transparent and semi-reflective layer 10 is metallic chromium. Through the cooperation of the convex strips 2, the transparent layer 8, the transverse line layer 9 and the semi-transparent and semi-reflective layer 10, the convex strips 2 can block the light reflected by the semi-transparent and semi-reflective layer 10, and form anti-counterfeiting again, so that the anti-counterfeiting property of the membrane body is improved. The material of the reinforcement layer 12 is chitin fiber. Chitin fiber has excellent tensile strength, biocompatibility, degradability and spinnability. The reinforcement layer 12 improves the tear resistance and environmental protection performance of the membrane body 1.

[0023] Furthermore, the horizontal line layer 9 is arranged at the bottom of the transparent layer 8 .

[0024] Furthermore, the bottom layer 5 includes a base layer 13, an aluminum foil layer 14 and an oil-proof layer 15. The base layer 13 is arranged on the top of the aluminum foil layer 14, the aluminum foil layer 14 is arranged on the top of the oil-proof layer 15, and the base layer 13 is arranged at the bottom of the reinforcement layer 12. The material of the aluminum foil layer 14 is aluminum foil. The aluminum foil layer 14 enables the membrane body 1 to have excellent processing performance and thermal stability. The material of the oil-proof layer 15 is PLA high-permeability cast film. The oil-proof layer 15 can improve the oil resistance of the membrane body to a certain extent, so that users can use the membrane body 1 more conveniently.

[0025] Working principle: For this type of environmentally friendly composite film with touch anti-counterfeiting mark, the convex strip 2 is first set at an angle so that the user can perform anti-counterfeiting identification after touching the texture of the convex strip 2. At the same time, through the cooperation of the convex strip 2, the transparent layer 8, the horizontal line layer 9 and the semi-transparent and semi-reflective layer 10, the convex strip 2 can block the light reflected by the semi-transparent and semi-reflective layer 10, and form anti-counterfeiting again, so that the anti-counterfeiting property of the film body is improved. The horizontal line layer 9 and the vertical line layer 11 are overlapped to form a grid, so that the internal horizontal and vertical tensile forces are improved to a certain extent, and the internal strength of the film body 1 is improved. The strengthening layer 12 improves the tear resistance and environmental protection performance of the film body 1.

[0026] 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 variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly composite film with a touch anti-counterfeiting mark, comprising a film body (1), characterized in that: The membrane body (1) comprises a top layer (3), a middle layer (4) and a bottom layer (5), wherein the top layer (3) is arranged on the top of the middle layer (4), and the middle layer (4) is arranged on the top of the bottom layer (5); the top layer (3) comprises a wear-resistant layer (6), a waterproof layer (7) and a transparent layer (8), wherein the wear-resistant layer (6) is arranged on the top of the waterproof layer (7), and the waterproof layer (7) is arranged on the top of the transparent layer (8); and the middle layer (4) comprises a transverse layer (9), a semi-transparent and semi-reflective layer (10), a longitudinal layer (11) and a strengthening layer (12).

2. The environmentally friendly composite film with a touch anti-counterfeiting mark according to claim 1, characterized in that: A convex strip (2) is fixedly connected to the top of the membrane body (1).

3. The environmentally friendly composite film with a touch anti-counterfeiting mark according to claim 1, characterized in that: The transverse line layer (9) is arranged on the top of the semi-transmissive and semi-reflective layer (10), the longitudinal line layer (11) is arranged on the bottom of the semi-transmissive and semi-reflective layer (10), and the strengthening layer (12) is arranged on the bottom of the longitudinal line layer (11).

4. The environmentally friendly composite film with a touch anti-counterfeiting mark according to claim 3, characterized in that: The horizontal line layer (9) is arranged at the bottom of the transparent layer (8).

5. The environmentally friendly composite film with a touch anti-counterfeiting mark according to claim 1, characterized in that: The bottom layer (5) comprises a base layer (13), an aluminum foil layer (14) and an oil-proof layer (15).

6. The environmentally friendly composite film with a touch anti-counterfeiting mark according to claim 5, characterized in that: The base layer (13) is arranged on top of the aluminum foil layer (14), and the aluminum foil layer (14) is arranged on top of the oil-proof layer (15).

7. The environmentally friendly composite film with a touch-proof anti-counterfeiting mark according to claim 6, characterized in that: The base layer (13) is arranged at the bottom of the strengthening layer (12).

8. The environmentally friendly composite film with a touch anti-counterfeiting mark according to claim 2, characterized in that: The convex strip (2) is arranged on the top of the membrane body (1) in an inclined shape.

Images