CN213891596U

CN213891596U - Environment-friendly film for food packaging

Info

Publication number: CN213891596U
Application number: CN202021348645.1U
Authority: CN
Inventors: 王聪
Original assignee: Yuncheng Qilong New Material Co ltd
Current assignee: Yuncheng Qilong New Material Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-08-06
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses an environmental protection film for food package, including a core section of thick bamboo and the packaging film of setting at a core section of thick bamboo surface, packaging film comprises a plurality of film unit, the film unit includes upper film and lower floor's film, the below fixedly connected with lower floor's film of upper film, the upper film comprises printing layer, degradable layer, interior heat-sealing layer and aluminium foil layer, the bottom of printing layer is provided with degradable layer and interior heat-sealing layer. The utility model discloses a set the packaging film to a plurality of film unit of being convenient for tear down, facilitate the use of user, moreover, the upper and lower two-layer double-deck structural formula's of film unit design has increased the thickness of film on the one hand, and is difficult damaged when using, simultaneously, its inside food that can hold can be packed food in a flexible way and place, and the flexibility is strong, and on the other hand can tear it and expand along the limit of upper film and lower floor's film, has enlarged usable floor area.

Description

Environment-friendly film for food packaging

Technical Field

The utility model relates to a food package technical field specifically is an environmental protection film for food package.

Background

In recent decades, the production and application of Chinese plastic flexible packaging films have been rapidly developed, but the problem that the plastic films used for food packaging may harm human health is not paid enough attention, and recently, PVC preservative films which are concerned all over the country are a good example of possible carcinogenic events. In China, the PVC film is used in candy twist packages and snack food twist packages in a large amount besides preservative films. The kinking package of candies and small foods is that the PVC kinking film directly contacts with the foods, and meanwhile, the consumer groups mainly comprise children and teenagers, so the problem that the PVC kinking film can harm human health is also paid attention to in all aspects of society.

The memory tangle film commonly seen in the market at present mainly comprises a PVC film and a PET film. In some developed countries in europe and the united states, the use of PVC films in food packaging is prohibited, and PETG and Biaxially Oriented Polystyrene (BOPS) films are substituted, and although no plaintext prohibits the use of PVC packaging films in China, with the increasing improvement of environmental requirements, the vigorous development of novel green products for replacing PVC packaging films is a fundamental way for the environmental requirements, and therefore, an environmental protection film for food packaging is proposed at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an environmental protection film for food package is in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an environmental protection film for food package, includes a core section of thick bamboo and sets up the packaging film at a core section of thick bamboo surface, packaging film comprises a plurality of film unit, the film unit includes upper film and lower floor's film, the upper film includes printing layer, degradable layer, interior heat sealing layer and aluminium foil layer and constitutes, the bottom of printing layer is provided with degradable layer and interior heat sealing layer, the surface of printing layer is provided with the aluminium foil layer, be provided with the silicone resin gluing agent between printing layer and the aluminium foil layer, all be provided with acrylic acid foam between printing layer, degradable layer and the interior heat sealing layer, the below fixedly connected with lower floor's film of upper film, upper film and one side of lower floor's film are reserved to place the mouth, upper film and lower floor's film structure as an organic whole.

Preferably, easy-to-tear sawteeth are arranged between every two adjacent film units.

Preferably, the upper film and the lower film have the same structure, and a placing cavity is formed between the upper film and the lower film.

Preferably, the thickness of the printing layer, the thickness of the degradable layer, the thickness of the inner heat sealing layer and the thickness of the aluminum foil layer are all 0.05 mm.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set the packaging film to a plurality of film unit of being convenient for tear down, facilitate the use of user, moreover, the upper and lower two-layer double-deck structural formula's of film unit design has increased the thickness of film on the one hand, and is difficult damaged when using, simultaneously, its inside food that can hold can be packed food in a flexible way and place, and the flexibility is strong, and on the other hand can tear it and expand along the limit of upper film and lower floor's film, has enlarged usable floor area.

2. The utility model discloses easy degradation, reuse nature are strong to reached green's purpose, solved not enough that PVC membrane exists on the domestic current market, moreover, application method is nimble changeable, can greatly satisfy user's demand, and the practicality is strong.

Drawings

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

FIG. 2 is a schematic view of the structure of the thin film unit of the present invention;

fig. 3 is a schematic view of the top film of the present invention.

In the figure: 1. a core barrel; 2. a packaging film; 3. a thin film unit; 301. an upper film; 3001. printing layer; 3002. a degradable layer; 3003. an inner heat sealing layer; 3004. an aluminum foil layer; 302. a lower film layer; 4. A placement port; 5. easy-to-tear sawteeth; 6. a placement chamber; 7. a silicone adhesive; 8. acrylic acid foam.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an environment-friendly film for food packaging comprises a core barrel 1 and a packaging film 2 arranged on the outer surface of the core barrel 1, wherein the packaging film 2 consists of a plurality of film units 3, each film unit 3 comprises an upper film 301 and a lower film 302, the design of a double-layer structure formula is adopted, on one hand, the thickness of the film is increased, the film is not easy to damage in use, on the other hand, food can be accommodated in the film, the food can be flexibly packaged and placed, the flexibility is strong, on the other hand, the film can be torn and unfolded along the edges of the upper film 301 and the lower film 302, the use area is enlarged, the upper film 301 comprises a printing layer 3001, a degradable layer 3002, an inner heat sealing layer 3003 and an aluminum foil layer 3004, the bottom of the printing layer 3001 is provided with the degradable layer 3002 and the inner heat sealing layer 3003, the outer surface of the printing layer 3001 is provided with the aluminum foil layer 3004, the printing layer 3001 increases the attractiveness of a product, and the degradable layer 3002 enables the whole film to be easily degraded, thereby achieving the purpose of environmental protection, the inner heat-sealing layer 3003 has excellent high barrier property, good heat-sealing property and good optical property, but also has certain weather resistance, the aluminum foil layer 3004 ensures that the film has certain plasticity, therefore, the placing opening 4 of the film unit 3 can be sealed in a bending mode, the silicone adhesive 7 is arranged between the printing layer 3001 and the aluminum foil layer 3004, the silicone adhesive 7 is used as an adhesive to improve the bonding capacity between layers, acrylic foam adhesive 8 is arranged between the printing layer 3001, the degradable layer 3002 and the inner heat sealing layer 3003 and cannot crack between the layers, the lower layer film 302 is fixedly connected below the upper layer film 301, the placing opening 4 is reserved on one side of the upper layer film 301 and the lower layer film 302, food or the like can be conveniently placed inside the film unit 3 through the placing port 4, and the upper film 301 and the lower film 302 are of an integral structure.

Further, be provided with between two adjacent film unit 3 and easily tear sawtooth 5, conveniently tear film unit 3 and use.

Further, the upper film 301 and the lower film 302 have the same structure, and a placing cavity 6 is formed between the upper film 301 and the lower film 302, so that the food can be contained, and the packaging mode is diversified.

Further, the thickness of the printed layer 3001, the degradable layer 3002, the inner heat-sealing layer 3003 and the aluminum foil layer 3004 are all 0.05 mm, so that the thickness of the whole film is thinner.

The working principle is as follows: the design of double-deck structural formula, the thickness of film has been increased on the one hand, be difficult for damaged when using, and simultaneously, its inside can hold food, can pack food in a flexible way and place, the flexibility is strong, on the other hand, can tear it and expand along the limit of upper film 301 and lower floor film 302, usable floor area has been enlarged, printing layer 3001 has increased the aesthetic property of product, degradable layer 3002 makes whole film biodegradable, thereby reach the purpose of environmental protection, aluminium foil layer 3004 makes the film have certain plasticity, when using, place food in the inside of placing chamber 6, through bending aluminium foil layer 3004 and seal the mouth 4 of placing of film unit 3.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an environmental protection film for food package, includes core section of thick bamboo (1) and sets up packaging film (2) in core section of thick bamboo (1) surface, its characterized in that: the packaging film (2) comprises a plurality of film units (3), the film units (3) comprise an upper film (301) and a lower film (302), the upper film (301) comprises a printing layer (3001), a degradable layer (3002), an inner heat sealing layer (3003) and an aluminum foil layer (3004), the bottom of the printing layer (3001) is provided with the degradable layer (3002) and the inner heat sealing layer (3003), the outer surface of the printing layer (3001) is provided with the aluminum foil layer (3004), a silicone adhesive (7) is arranged between the printing layer (3001) and the aluminum foil layer (3004), an acrylic foam adhesive (8) is arranged between the printing layer (3001), the degradable layer (3002) and the inner heat sealing layer (3003), the lower film (302) is fixedly connected with the lower film (301), a preset opening (4) is reserved on one side of the upper film (301) and the lower film (302), the upper layer film (301) and the lower layer film (302) are of an integrated structure.

2. The environmentally friendly film for food packaging according to claim 1, wherein: and an easily torn sawtooth (5) is arranged between every two adjacent film units (3).

3. The environmentally friendly film for food packaging according to claim 1, wherein: the structure of the upper-layer thin film (301) is the same as that of the lower-layer thin film (302), and a placing cavity (6) is formed between the upper-layer thin film (301) and the lower-layer thin film (302).

4. The environmentally friendly film for food packaging according to claim 1, wherein: the thickness of the printing layer (3001), the thickness of the degradable layer (3002), the thickness of the inner heat sealing layer (3003) and the thickness of the aluminum foil layer (3004) are all 0.05 mm.