CN214983904U

CN214983904U - High-transparency BOPP film for aseptic food packaging

Info

Publication number: CN214983904U
Application number: CN202121001227.XU
Authority: CN
Inventors: 陈华
Original assignee: China Film New Material Technology Co ltd
Current assignee: China Film New Material Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-12-03
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a aseptic food packaging of high transparency uses BOPP membrane, including BOPP membrane body and adhesive layer, adhesive layer fixed connection is on the top of BOPP membrane body. This aseptic food packaging uses BOPP membrane that transparency is high is provided with top edge self-healing coating through the border position department on first nanometer coating top, the border position department of second nanometer coating bottom is provided with lower limb self-healing coating, when BOPP membrane body leads to its border position department to produce the crack because of the reason of external effort, utilize top edge self-healing coating and lower limb self-healing coating have from the self-healing ability, top edge self-healing coating and lower limb self-healing coating can make the spontaneous healing restoration of crack immediately, can avoid BOPP membrane body to appear tearing the phenomenon of tearing owing to the crack at the in-process of tearing to BOPP membrane body like this, the tear resistance of BOPP membrane body has been improved greatly, it does not have the self-healing ability to solve, greatly reduced the problem of its tear resistance intensity.

Description

High-transparency BOPP film for aseptic food packaging

Technical Field

The utility model relates to a BOPP membrane technical field specifically is a high aseptic food packaging of transparency uses BOPP membrane.

Background

The BOPP film is a biaxially oriented polypropylene film, is a very good flexible packaging material, is widely applied to aseptic food packaging due to the advantages of colorless, tasteless and non-toxic, but has certain problems and defects in the conventional BOPP film for aseptic food packaging.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional BOPP film for aseptic food packaging has poor antibacterial effect and is inconvenient to be applied to aseptic food packaging for a long time;

(2) the traditional BOPP film for aseptic food packaging has poor transparency and antistatic property, is easy to adsorb dust, does not have a heat preservation effect, and cannot meet the use requirement;

(3) the traditional BOPP film for aseptic food packaging does not have self-repairing capability, and the tear strength of the BOPP film is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a aseptic food packaging of high transparency is with BOPP membrane to it is relatively poor to provide antibiotic effect in solving above-mentioned background art, and inconvenient long-term application is in aseptic food packaging's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a aseptic food packaging of high transparency is with BOPP membrane, includes BOPP membrane body and adhesive layer, adhesive layer fixed connection is on the top of BOPP membrane body, the top on adhesive layer bonds there is the PO rete, the top on PO rete is provided with first antistatic coating, the bottom of BOPP membrane body is provided with the anti-static coating of second, the top of first antistatic coating is provided with first nanometer coating, the bottom of the anti-static coating of second is provided with second nanometer coating, the border position department on first nanometer coating top is provided with the top edge from repairing coating, the border position department of second nanometer coating bottom is provided with the lower border from repairing coating, the inside of BOPP membrane body is provided with antibiotic master batch.

Preferably, the first antistatic coating and the second antistatic coating have the same thickness, and the first nano coating and the second nano coating have the same thickness.

Preferably, a high-tech specially-made organic heat-insulating agent is arranged inside the PO film layer.

Preferably, the antibacterial master batches are arranged in the BOPP film body and are arranged in the BOPP film body at equal intervals.

Preferably, the outer edges of the upper edge self-repair coating and the lower edge self-repair coating are both in the same vertical plane with the outer edge of the BOPP film body.

Preferably, the first and second antistatic coatings are composed of a UV curable resin material.

Compared with the prior art, the beneficial effects of the utility model are that: the BOPP film for aseptic food packaging with high transparency not only realizes better antibacterial effect, is convenient to be applied to aseptic food packaging for a long time, realizes better transparency and antistatic property, is not easy to adsorb dust, has a heat preservation effect, can meet the use requirement, but also realizes self-repairing capability, and greatly improves the tear-resistant strength;

(1) the antibacterial master batch is arranged in the BOPP film body, when the BOPP film is produced, the antibacterial master batch is mixed in the raw material of the BOPP film, and the antibacterial performance of the antibacterial master batch is utilized, so that the produced BOPP film has better antibacterial performance, and the BOPP film can be applied to aseptic food packaging for a long time;

(2) the PO film layer can inhibit the generation of fog and has excellent transparency and heat preservation performance by compounding the PO film layer on the BOPP film body, so that the BOPP film body has all the excellent performances of the PO film layer indirectly by utilizing the PO film layer, meanwhile, the first antistatic coating and the second antistatic coating can ensure that both surfaces of the BOPP film body are not easy to generate static electricity, the defect that the BOPP film body is easy to accumulate static electricity is effectively overcome, and the first nano coating and the second nano coating can ensure that the outermost layer of the BOPP film body is not easy to adsorb dust, can meet the use requirement;

(3) be provided with the top edge from repairing the coating through the border position department on first nanometer coating top, the border position department of second nanometer coating bottom is provided with the bottom edge from repairing the coating, when BOPP membrane body leads to its border position department to produce the crack because of the reason of external effort, utilize the top edge from repairing the coating and the self-healing ability that the bottom edge has from repairing the coating, the top edge can make the spontaneous healing restoration of crack immediately from repairing the coating and bottom edge from repairing the coating, can avoid BOPP membrane body to appear tearing the phenomenon of breaking because of the crack at the in-process of tearing to BOPP membrane body like this, the anti tearing performance of BOPP membrane body has been improved greatly.

Drawings

Fig. 1 is a schematic view of a front view partial section structure of the present invention;

fig. 2 is a schematic top view of the partial structure of the present invention;

fig. 3 is a schematic view of the overlooking partial section structure of the BOPP film body of the present invention;

fig. 4 is an enlarged partial cross-sectional view of the point a in fig. 1 according to the present invention.

In the figure: 1. a BOPP film body; 2. an adhesive layer; 3. a PO film layer; 4. a first antistatic coating; 5. a first nanocoating; 6. a second antistatic coating; 7. a second nanocoating; 8. an upper edge self-healing coating; 9. antibacterial master batch; 10. the lower edge is a self-healing coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a BOPP film for packaging aseptic food with high transparency includes a BOPP film body 1 and an adhesive layer 2, the adhesive layer 2 is fixedly connected to the top end of the BOPP film body 1, and an antibacterial masterbatch 9 is disposed inside the BOPP film body 1;

the antibacterial master batches 9 are arranged in the BOPP film body 1 in a plurality of groups, and the antibacterial master batches 9 are arranged in the BOPP film body 1 at equal intervals;

specifically, as shown in fig. 1, 3 and 4, when the BOPP film is produced, the antibacterial masterbatch 9 is mixed into the raw material of the BOPP film, and the antibacterial performance of the antibacterial masterbatch 9 is utilized, so that the produced BOPP film has good antibacterial performance, and the BOPP film can be applied to aseptic food packaging for a long time.

Example 2: a PO film layer 3 is bonded at the top end of the adhesive layer 2, a first antistatic coating 4 is arranged at the top end of the PO film layer 3, a second antistatic coating 6 is arranged at the bottom end of the BOPP film body 1, a first nano coating 5 is arranged at the top end of the first antistatic coating 4, a second nano coating 7 is arranged at the bottom end of the second antistatic coating 6, a high-tech specially-made organic heat insulating agent is arranged inside the PO film layer 3, and the first antistatic coating 4 and the second antistatic coating 6 are made of UV curing resin materials;

the thicknesses of the first antistatic coating 4 and the second antistatic coating 6 are equal, and the thicknesses of the first nano coating 5 and the second nano coating 7 are equal;

specifically, as shown in fig. 1 and 4, when in use, by compounding the PO film layer 3 on the BOPP film body 1, the PO film layer 3 can suppress the generation of mist and has very superior transparency and heat preservation, so that the BOPP film body 1 can indirectly have all the excellent properties of the PO film layer 3 by using the PO film layer 3, and meanwhile, the first antistatic coating 4 and the second antistatic coating 6 can make both surfaces of the BOPP film body 1 not easily generate static electricity, thereby effectively making up the defect that the BOPP film body 1 easily accumulates static electricity, and the first nano coating 5 and the second nano coating 7 can make the outermost layer of the BOPP film body 1 not easily adsorb dust, thereby satisfying the use requirement.

Example 3: an upper edge self-repairing coating 8 is arranged at the edge position of the top end of the first nano coating 5, and a lower edge self-repairing coating 10 is arranged at the edge position of the bottom end of the second nano coating 7;

the outer edges of the upper edge self-repairing coating 8 and the lower edge self-repairing coating 10 are in the same vertical plane with the outer edge of the BOPP film body 1;

specifically, as shown in fig. 1, fig. 2 and fig. 4, when the BOPP film body 1 has a crack at its edge position due to external force, the upper edge self-repair coating 8 and the lower edge self-repair coating 10 have self-healing capabilities, and the upper edge self-repair coating 8 and the lower edge self-repair coating 10 can immediately repair the crack by spontaneous healing, so that the BOPP film body 1 can be prevented from being torn due to the crack in the process of tearing the BOPP film body 1, and the tear resistance of the BOPP film body 1 is greatly improved.

The working principle is as follows: when the utility model is used, firstly, when the BOPP film is produced, the antibacterial master batch 9 is mixed in the raw material of the BOPP film, the antibacterial property of the antibacterial master batch 9 is utilized, thus the produced BOPP film has better antibacterial property, thereby the BOPP film can be applied to aseptic food packaging for a long time, secondly, by compounding the PO film layer 3 on the BOPP film body 1, the PO film layer 3 can inhibit the generation of fog and has very superior transparency and heat preservation, thus the BOPP film body 1 can be indirectly enabled to have all the excellent properties of the PO film layer 3 by utilizing the PO film layer 3, meanwhile, the first antistatic coating 4 and the second antistatic coating 6 can be utilized to ensure that the two surfaces of the BOPP film body 1 are not easy to generate static electricity, the defect that the BOPP film body 1 is easy to accumulate static electricity is effectively compensated, and the first nanometer coating 5 and the second nanometer coating 7 can ensure that the outermost layer of the BOPP film body 1 is not easy to adsorb dust, finally when BOPP membrane body 1 leads to its border position department to produce the crack because of the reason of external effort, utilize the self-healing ability that upper edge self-healing coating 8 and lower limb self-healing coating 10 have, the upper edge self-healing coating 8 and lower limb self-healing coating 10 can make the spontaneous healing of crack repair immediately, can avoid BOPP membrane body 1 to appear the phenomenon of tearing because of the crack at the in-process of tearing BOPP membrane body 1 like this.

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 a high aseptic food packaging of transparency uses BOPP membrane, includes BOPP membrane body (1) and adhesive layer (2), its characterized in that: adhesive layer (2) fixed connection is on the top of BOPP membrane body (1), the top of adhesive layer (2) bonds and has PO rete (3), the top of PO rete (3) is provided with first antistatic coating (4), the bottom of BOPP membrane body (1) is provided with the second and resists electrostatic coating (6), the top of first antistatic coating (4) is provided with first nanometer coating (5), the bottom that second resisted electrostatic coating (6) is provided with second nanometer coating (7), the border position department on first nanometer coating (5) top is provided with the top edge from repairing coating (8), the border position department of second nanometer coating (7) bottom is provided with the lower limb from repairing coating (10), the inside of BOPP membrane body (1) is provided with antibiotic master batch (9).

2. The BOPP film for packaging aseptic food having high transparency according to claim 1, wherein: the first antistatic coating (4) and the second antistatic coating (6) are equal in thickness, and the first nano coating (5) and the second nano coating (7) are equal in thickness.

3. The BOPP film for packaging aseptic food having high transparency according to claim 1, wherein: and a high-tech specially-made organic heat-insulating agent is arranged in the PO film layer (3).

4. The BOPP film for packaging aseptic food having high transparency according to claim 1, wherein: the antibacterial film is characterized in that a plurality of groups of antibacterial master batches (9) are arranged inside the BOPP film body (1), and the antibacterial master batches (9) are arranged inside the BOPP film body (1) at equal intervals.

5. The BOPP film for packaging aseptic food having high transparency according to claim 1, wherein: the outer edges of the upper edge self-repairing coating (8) and the lower edge self-repairing coating (10) are in the same vertical plane with the outer edge of the BOPP film body (1).

6. The BOPP film for packaging aseptic food having high transparency according to claim 1, wherein: the first antistatic coating (4) and the second antistatic coating (6) are composed of a UV-curable resin material.