CN211868841U

CN211868841U - Low-temperature-freezing-resistant packaging film

Info

Publication number: CN211868841U
Application number: CN201922413586.5U
Authority: CN
Inventors: 赵玉杰; 王洪吉; 张顺勇; 张高明; 张洋洋; 马云雷
Original assignee: Jiangyin Chenggong Transfer Packaging Materials Co ltd
Current assignee: Jiangyin Chenggong Transfer Packaging Materials Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-11-06
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a low temperature resistant frozen packaging film relates to packaging film technical field. The utility model discloses an including the PE film, the PE film is compound has the thermal-insulated film that keeps warm, and thermal-insulated film one side is compound has the layer of toughening, and layer one side is compound to be toughened has antibiotic layer, and antibiotic layer one side is compound has the polyethylene to crowd the rete altogether, and the polyethylene is crowded the rete altogether and is included first metallocene linear low density polyethylene rete, second metallocene linear low density polyethylene rete and third metallocene linear low density polyethylene rete. The utility model discloses a polyethylene is crowded rete altogether and the effect of heat preservation thermal-insulated film, the polyethylene is crowded the holistic impact resistance of improvement packaging film that the rete can be very big altogether, makes this plastic wrap still have stronger toughness in the temperature below zero, avoids appearing the condition that the packaging film easily tears, and the thermal-insulated film that keeps warm simultaneously can carry out further protection to polyethylene crowded rete altogether when using, makes this packaging film cold-resistant more.

Description

Low-temperature-freezing-resistant packaging film

Technical Field

The utility model belongs to the technical field of the packaging film, especially, relate to a low temperature resistant frozen packaging film.

Background

The packaging film is mainly formed by the mixed extrusion of several kinds of different grades of polyethylene resin, has anti puncture, and super strength high performance twines the packing to the goods of stacking on the layer board, makes the packing material more firm clean and tidy, and superstrong waterproof effect is widely used, in foreign trade export, papermaking, five metals, plastics chemical industry, building materials, food and medicine trade. The packaging film adopts shrink packaging, and has the advantages that: 1. the packaging bag is suitable for packaging commodities in various shapes, and the appearance attractiveness of the product is increased; 2. the film can be tightly attached to a commodity, and has transparency, attractive appearance, cleanness and brightness; 3. the packaged commodity has sanitation and sanitation, and is sealed, dustproof and moisture-proof; 4. the shrink packaging has good shock resistance, impact resistance and good protection performance; 5. the packaged goods have tightness and fixity, and small parts cannot fall to the west in the package; 6. the heat shrinkable film can also be used for replacing various paper boxes, particularly in the aspect of combined packaging of irregular-shaped articles or commodities, not only saves the packaging cost, but also conforms to the packaging trend.

In life, after food is wrapped by a packaging film, the food is placed in a freezing layer, and in the freezing process, the packaging film becomes brittle and easy to break and is easy to tear, so that the food is easily exposed, and the aim of keeping fresh cannot be well fulfilled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low temperature resistant refrigerated packaging film, through the effect of the crowded rete of polyethylene altogether and the thermal-insulated film that keeps warm, the crowded rete can be very big improvement packaging film holistic impact resistance altogether, make this plastic wrap still have stronger toughness at the temperature of below zero, the condition of the easy tear of packaging film is avoided appearing, the thermal-insulated film that keeps warm simultaneously can carry out further protection to the crowded rete of polyethylene altogether when using, it is more cold-resistant to make this packaging film, at refrigerated in-process has been solved, the fragile book of nature that the packaging film can become, and pulled apart very easily, cause food to expose outside easily, the unable fine problem that reaches fresh-keeping purpose.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a low temperature freezing resistant packaging film, which comprises a PE film, wherein the PE film is compounded with a heat preservation and insulation film, one side of the heat preservation and insulation film is compounded with a toughening layer, and one side of the toughening layer is compounded with an antibacterial layer;

one side of the antibacterial layer is compounded with a polyethylene co-extrusion film layer, and the polyethylene co-extrusion film layer comprises a first metallocene linear low-density polyethylene film layer, a second metallocene linear low-density polyethylene film layer and a third metallocene linear low-density polyethylene film layer.

Further, the first metallocene linear low-density polyethylene film layer, the second metallocene linear low-density polyethylene film layer and the third metallocene linear low-density polyethylene film layer are sequentially connected in a compounding manner.

Furthermore, a protective layer is compounded on one side of the PE film, and a frosted coating is compounded on one side of the protective layer.

Further, the heat preservation and insulation film is made of silicon dioxide aerogel, and the thickness of the heat preservation and insulation film is 45-70 um.

Further, the toughening layer is made of polyethylene materials, and the thickness of the toughening layer is 5-10 um.

The utility model discloses following beneficial effect has:

the utility model discloses a polyethylene is crowded rete altogether and the effect of heat preservation thermal-insulated film, the polyethylene is crowded the holistic impact resistance of improvement packaging film that the rete can be very big altogether, makes this plastic wrap still have stronger toughness in the temperature below zero, avoids appearing the condition that the packaging film easily tears, and the thermal-insulated film that keeps warm simultaneously can carry out further protection to polyethylene crowded rete altogether when using, makes this packaging film cold-resistant more.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a low temperature freezing resistant packaging film of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

the heat-insulation and heat-preservation composite material comprises, by weight, 1-a PE film, 2-a heat-insulation film, 3-a toughening layer, 4-an antibacterial layer, 5-a polyethylene co-extrusion film layer, 501-a first metallocene linear low-density polyethylene film layer, 502-a second metallocene linear low-density polyethylene film layer, 503-a third metallocene linear low-density polyethylene film layer, 6-a protective layer and 7-a frosted 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the utility model relates to a low temperature freezing resistant packaging film, which comprises a PE film 1, a heat preservation and insulation film 2 compounded on the PE film 1, a toughening layer 3 compounded on one side of the heat preservation and insulation film 2, and an antibacterial layer 4 compounded on one side of the toughening layer 3;

one side of the antibacterial layer 4 is compounded with a polyethylene co-extrusion film layer 5, and the polyethylene co-extrusion film layer 5 comprises a first metallocene linear low-density polyethylene film layer 501, a second metallocene linear low-density polyethylene film layer 502 and a third metallocene linear low-density polyethylene film layer 503.

As shown in fig. 1, a first metallocene linear low density polyethylene film layer 501, a second metallocene linear low density polyethylene film layer 502, and a third metallocene linear low density polyethylene film layer 503 are sequentially and compositely connected.

As shown in figure 1, a protective layer 6 is compounded on one side of the PE film 1, and a frosted coating 7 is compounded on one side of the protective layer 6.

As shown in figure 1, the heat-preservation and heat-insulation film 2 is made of silicon dioxide aerogel, and the thickness of the heat-preservation and heat-insulation film 2 is 45-70 um.

As shown in figure 1, the toughening layer 3 is made of polyethylene material, and the thickness of the toughening layer 3 is 5-10 um.

The working principle of the embodiment is as follows: the utility model discloses when using, the polyethylene is crowded 5 inside first metallocene linear low density polyethylene membranous layer 501 altogether, second metallocene linear low density polyethylene membranous layer 502 and third metallocene linear low density polyethylene membranous layer 503, the holistic impact resistance of improvement packaging film that can be very big, make this plastic wrap still have stronger toughness at the temperature below zero, the condition of easy tear of packaging film avoids appearing, heat preservation thermal-insulated film 2 can carry out further protection to polyethylene is crowded membranous layer 5 altogether when using simultaneously, make this packaging film cold-resistant more, thereby can be better reach the purpose that food was kept fresh.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A packaging film resistant to low-temperature freezing, comprising a PE film (1), characterized in that: the PE film (1) is compounded with a heat-preservation and heat-insulation film (2), one side of the heat-preservation and heat-insulation film (2) is compounded with a toughening layer (3), and one side of the toughening layer (3) is compounded with an antibacterial layer (4);

one side of the antibacterial layer (4) is compounded with a polyethylene co-extrusion film layer (5), and the polyethylene co-extrusion film layer (5) comprises a first metallocene linear low-density polyethylene film layer (501), a second metallocene linear low-density polyethylene film layer (502) and a third metallocene linear low-density polyethylene film layer (503).

2. The packaging film resistant to low temperature freezing according to claim 1, wherein the first metallocene linear low density polyethylene film layer (501), the second metallocene linear low density polyethylene film layer (502) and the third metallocene linear low density polyethylene film layer (503) are sequentially and compositely connected.

3. The packaging film resistant to low-temperature freezing as claimed in claim 1, wherein a protective layer (6) is compounded on one side of the PE film (1), and a frosted coating (7) is compounded on one side of the protective layer (6).

4. The packaging film resistant to low-temperature freezing as claimed in claim 1, wherein the heat-insulating film (2) is made of silica aerogel, and the thickness of the heat-insulating film (2) is 45-70 um.

5. The packaging film with low temperature freezing resistance according to claim 1, wherein the toughening layer (3) is made of polyethylene material, and the thickness of the toughening layer (3) is 5-10 um.