CN216942180U - Novel BOPE (biaxially-oriented polyethylene) bright film with strong light transmission - Google Patents

Abstract

The utility model discloses a novel BOPE (biaxially oriented polyethylene) bright film with high light transmission, which comprises a base film layer, a transparent bonding layer, a blocking layer, a waterproof film, a wear-resistant layer and salient points, wherein the side surface of the base film layer is connected with the blocking layer through the transparent bonding layer, one side of the blocking layer is connected with the waterproof film through the transparent bonding layer, one side of the waterproof film is connected with the wear-resistant layer through the transparent bonding layer, one side of the wear-resistant layer is connected with a heat sealing layer through the transparent bonding layer, and the salient points are arranged on one side of the heat sealing layer. This novel BOPE bright type film that light transmissivity is strong, barrier layer and water proof membrane can reduce respectively oxygen and moisture in the outside air and get into this film and with the probability of food contact, improve the save time of food, the wearing layer can improve the intensity of this film, the contaminated probability of heat-seal in-process food can be reduced on the heat-seal layer, barrier layer, water proof membrane, wearing layer, heat-seal layer and bump all are provided with two about the base film layer symmetry, the functionality of this novel BOPE bright type film has been strengthened.

Description

Novel BOPE bright type film that light transmissivity is strong

Technical Field

The utility model relates to the technical field of BOPE (biaxially oriented polyethylene) bright thin films, in particular to a novel BOPE bright thin film with strong light transmission.

Background

BOPE, namely biaxially oriented polyethylene film, is made from special LLDPE, HDPE raw materials, through longitudinal and transverse successive stretching, compared with the polyethylene film produced by using blow molding process (IPE) or cast method (CPE), the light transmission property is strong, especially the physical property is obviously improved, it mainly replaces blow molding and cast PE film and BOPA or BOPET and aluminum foil, etc. dry or extrusion composite bag making, or single layer melt sealing bag making, or coating, or composite PE film, etc. for packaging various foods or daily necessities, etc., the utility model is directed to BOPE bright light type film for food packaging.

Present BOPE bright light type film is because waterproof nature is not enough when packing food, probably causes food rotten, and functional single, adsorbs easily together between the membrane of the bright light type film of roll-like BOPE simultaneously, is difficult to drag the use, so need improve present BOPE bright light type film.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel BOPE (biaxially oriented polyethylene) bright film with strong light transmission, which aims to solve the problems that food is likely to deteriorate due to insufficient waterproofness when food is packaged, the film is single in functionality, and the rolled BOPE bright film is easy to adsorb with the film and is not easy to pull for use.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel BOPE bright type film that light transmissivity is strong, includes base film layer, transparent bonding layer, barrier layer, water proof membrane, wearing layer and bump, base film layer side is connected with the barrier layer through transparent bonding layer, and barrier layer one side is connected with the water proof membrane through transparent bonding layer, and waterproof membrane one side is connected with the wearing layer through transparent bonding layer simultaneously, wearing layer one side is connected with the heat-seal layer through transparent bonding layer, the bump sets up in heat-seal layer one side, and the bump is the hemisphere form.

Preferably, the base film layer is a biaxially oriented polyethylene film;

by adopting the technical scheme, when food needs to be packaged, the thickness of the biaxially oriented polyethylene film can be reduced in the stretching process, and particularly, the key performance of the biaxially oriented polyethylene film can still reach the performance of other polyethylene films under the condition that the thickness is reduced by 50%.

Preferably, the barrier layer is made of polyvinyl alcohol;

through adopting above-mentioned technical scheme, be convenient for keep apart oxygen, prevent that oxygen in the outside air and the food that this novel BOPE light type film packed from contacting.

Preferably, the wear-resistant layer is made of thermoplastic polyurethane elastomer rubber;

by adopting the technical scheme, the strength of the novel BOPE bright thin film can be improved, and the probability of scratching is reduced.

Preferably, the heat sealing layer is made of metallocene polyethylene;

by adopting the technical scheme, the probability of pollution to food can be reduced when the food is sealed.

Preferably, the salient points are uniformly distributed on one side of the heat sealing layer and are arranged in a staggered manner, and meanwhile, the heat sealing layer, the wear-resistant layer, the waterproof film and the blocking layer are symmetrically arranged in two relative to the base film layer;

through adopting above-mentioned technical scheme, packing the back to food, can effectively promote this novel BOPE bright light type film to the protection intensity of food.

Compared with the prior art, the utility model has the beneficial effects that: the novel BOPE bright film with strong light transmission,

(1) the barrier layer and the waterproof film can respectively reduce the probability that oxygen and moisture in the outside air enter the film and contact with food, the storage time of the food is prolonged, the strength of the film can be improved by the wear-resistant layer, the probability that the food is polluted in the heat sealing process can be reduced by the heat sealing layer, and the barrier layer, the waterproof film, the wear-resistant layer, the heat sealing layer and the salient points are symmetrically arranged about the base film layer, so that the functionality of the novel BOPE bright film is enhanced;

(2) be provided with the bump, can improve the surperficial frictional force of novel BOPE light type film, prevent that web-like novel BOPE light type film is not convenient for use because laminating mutually between membrane and the membrane, prevents simultaneously that the user from skidding easily when this film takes.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention.

In the figure: 1. the base film layer 2, the transparent adhesive layer 3, the barrier layer 4, the waterproof film 5, the wear-resistant layer 6, the heat-sealing layer 7 and the salient points.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a novel BOPE (biaxially oriented polyethylene) glossy film with strong light transmission is disclosed, as shown in figures 1 and 3, the side surface of a base film layer 1 is connected with a barrier layer 3 through a transparent bonding layer 2, one side of the barrier layer 3 is connected with a waterproof film 4 through the transparent bonding layer 2, one side of the waterproof film 4 is connected with a wear-resistant layer 5 through the transparent bonding layer 2, the base film layer 1 is a biaxially oriented polyethylene film, the biaxially oriented polyethylene film has the characteristics of high transparency, more enhanced mechanical strength, unidirectional easy tearing and the like, the barrier layer 3 is made of a polyvinyl alcohol material, the polyvinyl alcohol has excellent film forming, emulsifying and bonding properties, high tensile strength and flexibility, high oxygen and aromatic barrier properties, can reduce the external oxygen from entering food packaged by the novel BOPE glossy film, prolong the shelf life of the food is prolonged, and the wear-resistant layer 5 is made of a thermoplastic polyurethane elastomer rubber material, the thermoplastic polyurethane elastomer rubber material has wide hardness range, is wear-resistant, oil-resistant, transparent and good in elasticity, and can prevent sharp food from scratching the novel BOPE bright film, one side of the wear-resistant layer 5 is connected with the heat-sealing layer 6 through the transparent bonding layer 2, the heat-sealing layer 6 is made of metallocene polyethylene, and the metallocene polyethylene has good hot-sticking strength and heat-sealing strength and has certain sealing pollution resistance.

According to fig. 2, the salient points 7 are arranged on one side of the heat sealing layer 6, the salient points 7 are semi-spherical, the salient points 7 are evenly distributed on one side of the heat sealing layer 6, the salient points 7 are arranged in a staggered mode, friction force of the two sides of the novel BOPE bright thin film can be enhanced, the novel BOPE bright thin film is prevented from being pulled and used easily, the heat sealing layer 6, the wear-resistant layer 5, the waterproof film 4 and the blocking layer 3 are arranged symmetrically about the base film layer 1, and therefore the functionality of the two sides of the base film layer 1 is enhanced.

The working principle is as follows: when using this novel BOPE bright type film that light transmissivity is strong, tear some films from the novel BOPE bright type film of scroll, can increase frictional force when the hand touches bump 7, conveniently drag, with food package at this novel BOPE bright type film inboard, use the heat-sealing machine to carry out the heat-seal with this novel BOPE bright type film afterwards, heat-seal 6 can reduce the contaminated probability of food in heat-seal in-process heat-seal layer, can prevent through wearing layer 5 that food or external object from pricking this film, moisture through waterproof membrane 4 in can the waterproof air gets into food, can reduce the probability that external air got into this film and contacted with food through barrier layer 3. Those not described in detail in this specification are well within the skill of the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for simplicity of description only and are not intended to indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operative in a particular orientation, and are not to be considered limiting of the claimed invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a novel BOPE bright type film that light transmissivity is strong, includes base film layer (1), transparent adhesive layer (2), barrier layer (3), water proof membrane (4), wearing layer (5) and bump (7), its characterized in that:

the side surface of the base film layer (1) is connected with a barrier layer (3) through a transparent bonding layer (2), one side of the barrier layer (3) is connected with a waterproof film (4) through the transparent bonding layer (2), one side of the waterproof film (4) is connected with a wear-resistant layer (5) through the transparent bonding layer (2), and one side of the wear-resistant layer (5) is connected with a heat-sealing layer (6) through the transparent bonding layer (2);

the salient points (7) are arranged on one side of the heat sealing layer (6), and the salient points (7) are in a semi-sphere shape.

2. The novel BOPE bright film with high light transmission property as claimed in claim 1, wherein: the base film layer (1) is a biaxially oriented polyethylene film.

3. The novel BOPE bright film with high light transmission property as claimed in claim 1, wherein: the barrier layer (3) is made of polyvinyl alcohol.

4. The novel BOPE bright film with high light transmission property as claimed in claim 1, wherein: the wear-resistant layer (5) is made of thermoplastic polyurethane elastomer rubber.

5. The novel BOPE bright film with high light transmission property as claimed in claim 1, wherein: the heat sealing layer (6) is made of metallocene polyethylene.

6. The novel BOPE bright film with high light transmission property as claimed in claim 1, wherein: the heat-seal layer (6), the wear-resistant layer (5), the waterproof film (4) and the blocking layer (3) are arranged symmetrically about the base film layer (1).

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