Biodegradable environment-friendly plastic film

Abstract

The utility model discloses a biodegradable environment-friendly plastic film, which relates to the field of degradable plastic films, and comprises a bottom film, an oil-proof layer is arranged on the bottom film, an anti-folding layer is arranged on the oil-proof layer, a printing layer is arranged on the anti-folding layer, a positioning groove is arranged on the upper end face of the printing layer, a spraying layer is arranged in the positioning groove, and the spraying layer is arranged on the upper end face of the printing layer. And transparent PE films are arranged on the printing layer and the spraying layer. According to the plastic film, the oil-proof layer is arranged on the bottom film, the anti-folding layer can be easily pasted in a matched mode through the oil-proof layer, the overall use strength and the anti-folding effect of the plastic film are improved through the arrangement of the anti-folding layer, the situation that the spraying layer is damaged due to folds of the plastic film in the use process is reduced, and meanwhile the spraying layer is arranged in the positioning groove of the printing layer.

Description

Technical Field

[0001] The utility model relates to the technical field of degradable plastic films, in particular to a biodegradable environmentally friendly plastic film. Background Art

[0002] At present, degradable plastic films are widely used in food inner packaging due to their environmentally friendly characteristics such as complete degradation and safe use.

[0003] The existing Chinese patent with announcement number CN219751369U discloses a biodegradable and environmentally friendly plastic film, wherein the main body of the plastic film is evenly distributed with a number of broken strips formed by break points, and the outer edges on the left and right sides of the main body of the plastic film are provided with PVE film edges that cooperate with the side edges of the main body of the plastic film to prevent wrinkles. The PVE film edges on the left and right sides of the main body of the plastic film are used to produce non-fitting support for the left and right sides of the main body of the plastic film, so as to facilitate finding the beginning of the rolled-up main body of the plastic film.

[0004] In view of the above-mentioned related technologies, the invention discloses that the existing plastic film uses a coating sprayed on the outer surface as a decorative layer. Since the overall texture of the plastic film is relatively soft, the coating is prone to fall off during the packaging process, causing contamination to the packaged products or other foreign objects, and also affecting the overall appearance. Utility Model Content

[0005] The present application provides a biodegradable and environmentally friendly plastic film, which is used to solve the problems raised in the background technology.

[0006] The utility model is achieved in this way:

[0007] A biodegradable environmentally friendly plastic film comprises a base film, an oil-proof layer is arranged on the base film, an anti-folding layer is arranged on the oil-proof layer, a printing layer is arranged on the anti-folding layer, a positioning groove is opened on the upper end surface of the printing layer, a spray layer is arranged in the positioning groove, and a transparent PE film is arranged on the printing layer and the spray layer.

[0008] Furthermore, the base film is made of kraft paper.

[0009] Furthermore, the oil-proof layer is made of wax paper.

[0010] Furthermore, the anti-folding layer includes a main paper portion and a strip portion, the strip portion is evenly arranged on the lower end surface of the main paper portion, and the strip portion and the main paper portion are integrally formed.

[0011] Furthermore, a first adhesive layer is provided between the base film and the oil-proof layer.

[0012] Furthermore, a second adhesive layer is provided between the oil-proof layer and the anti-folding layer.

[0013] Furthermore, a third adhesive layer is provided between the spray coating and the transparent PE film.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides an oil-proof layer on the base film, which makes it easy to cooperate with the anti-folding layer to stick, and the setting of the anti-folding layer can increase the overall use strength and anti-wrinkle effect of the plastic film, and reduce the damage to the spray layer due to the wrinkles of the plastic film during use. At the same time, by providing the spray layer in the positioning groove of the printing layer and protecting it with a transparent PE film, the safety of the plastic film can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure in an embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the layered structure in the embodiment of the utility model;

[0018] Figure 3 yes Figure 1 A schematic diagram of the structure of the anti-folding layer shown;

[0019] Figure 4 yes Figure 1 The schematic diagram of the structure of the printed layer, the spray layer and the transparent PE film;

[0020] Figure 5 yes Figure 4 A partial enlarged view of device A is shown.

[0021] In the figure: 1, base film; 11, first adhesive layer; 2, oil-proof layer; 21, second adhesive layer; 3, anti-folding layer; 31, main paper part; 32, strip part; 4, printing layer; 41, positioning groove; 5, spray layer; 51, third adhesive layer; 6, transparent PE film. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents the selected embodiments of the utility model.

[0023] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, a biodegradable environmentally friendly plastic film comprises a base film 1, an oil-proof layer 2 is arranged on the base film 1, and a first adhesive layer 11 is arranged between the base film 1 and the oil-proof layer 2. An anti-folding layer 3 is arranged on the oil-proof layer 2, and a second adhesive layer 21 is arranged between the oil-proof layer 2 and the anti-folding layer 3. A printing layer 4 is arranged on the anti-folding layer 3, a positioning groove 41 is opened on the upper end surface of the printing layer 4, a spray layer 5 is arranged in the positioning groove 41, and a transparent PE film 6 is arranged on the printing layer 4 and the spray layer 5. A third adhesive layer 51 is arranged between the spray layer 5 and the transparent PE film 6. The bottom of the plastic film is composed of a base film 1, an oil-proof layer 2 and an anti-folding layer 3 which are stacked in sequence and bonded together by a first adhesive layer 11 and a second adhesive layer 21. A printing layer 4 is also fixed on the anti-folding layer 3 by adhesive, so that the overall firmness of the base film 1, the oil-proof layer 2, the anti-folding layer 3 and the printing layer 4 can be ensured. At the same time, a positioning groove 41 is provided on the upper end surface of the printing layer 4, and the spray layer 5 can be directly sprayed into the positioning groove 41 for easy processing. After the spraying is completed, the transparent PE film 6 is pasted and fixed on the printing layer 4 and the spray layer 5 to achieve the purpose of protecting the spray layer.

[0024] Reference Figure 2 and Figure 3 As shown, the base film 1 is made of kraft paper. By using kraft paper as the base film 1, its toughness and good water resistance can be utilized, thereby increasing the overall durability of the environmentally friendly plastic film. In addition, as a degradable material, kraft paper can ensure the good environmental performance of the plastic film. The oil-proof layer 2 is made of wax paper. By using wax paper as the oil-proof layer 2, the good moisture-proof and water-resistant performance and grease-proof performance of wax paper can be utilized, thereby enhancing the waterproof and oil-proof effect of the plastic film.

[0025] Reference Figure 2 and Figure 3As shown, the anti-folding layer 3 includes a main paper portion 31 and a strip portion 32. The strip portion 32 is evenly arranged on the lower end surface of the main paper portion 31, and the strip portion 32 is integrally formed with the main paper portion 31. The structure of the anti-folding layer 3 is arranged to ensure that a plurality of strip portions 32 are arranged at the lower end of the main paper portion 31, and then the use strength of the strip portion 32 can be used to avoid more bending.

[0026] Working principle: after applying the first adhesive layer 11 on the base film 1, the oil-proof layer 2 can be pasted and fixed, and then after applying the second adhesive layer 21 on the oil-proof layer 2, the anti-folding layer 3 can be pasted, and at the same time, after applying glue on the anti-folding layer 3, the printing layer 4 can be pasted and fixed, and after the base film 1, the oil-proof layer 2, the anti-folding layer 3 and the printing layer 4 are pasted and fixed, the spray layer 5 can be sprayed in the positioning groove 41 of the printing layer 4, and after spraying, the third adhesive layer 51 is applied to paste the transparent PE film 6.

[0027] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A biodegradable and environmentally friendly plastic film, comprising a base film (1), characterized in that: An oil-proof layer (2) is arranged on the base film (1), an anti-folding layer (3) is arranged on the oil-proof layer (2), a printing layer (4) is arranged on the anti-folding layer (3), a positioning groove (41) is provided on the upper end surface of the printing layer (4), a spray layer (5) is arranged in the positioning groove (41), and a transparent PE film (6) is arranged on the printing layer (4) and the spray layer (5).

2. The biodegradable and environmentally friendly plastic film according to claim 1, characterized in that: The base film (1) is made of kraft paper.

3. The biodegradable environmentally friendly plastic film according to claim 2, characterized in that: The oil-proof layer (2) is made of wax paper.

4. The biodegradable and environmentally friendly plastic film according to claim 3, characterized in that: The anti-folding layer (3) comprises a main paper portion (31) and a strip portion (32), wherein the strip portion (32) is evenly arranged on the lower end surface of the main paper portion (31), and the strip portion (32) and the main paper portion (31) are integrally formed.

5. The biodegradable and environmentally friendly plastic film according to claim 4, characterized in that: A first adhesive layer (11) is provided between the base film (1) and the oil-proof layer (2).

6. The biodegradable and environmentally friendly plastic film according to claim 5, characterized in that: A second adhesive layer (21) is provided between the oil-proof layer (2) and the anti-folding layer (3).

7. The biodegradable and environmentally friendly plastic film according to claim 6, characterized in that: A third adhesive layer (51) is provided between the spray layer (5) and the transparent PE film (6).

Images