CN214215049U

CN214215049U - Food packaging film with good tensile effect

Info

Publication number: CN214215049U
Application number: CN202022489163.4U
Authority: CN
Inventors: 王慧
Original assignee: Shaanxi Fineboon Milk Co ltd
Current assignee: Shaanxi Fineboon Milk Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-09-17
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses an effectual food packaging film of tensile, including the stratum basale, the fixed surface of stratum basale is connected with the composite bed, the fixed surface of composite bed is connected with the tensile layer, the composite bed includes fire-retardant layer, the fixed surface on fire-retardant layer is connected with the insulating layer, the stratum basale adopts double-deck polyester film to make and forms, and double-deck polyester film passes through starch glue and bonds, and starch glue adopts corn starch to make and forms, and the stratum basale adopts double-deck polyester film to make and form. The utility model discloses a cooperation of stratum basale, composite bed, tensile layer, fire-retardant layer and insulating layer is used, can effectual solution traditional food packaging film single structure, the relatively poor problem of pull resistance, this food packaging film can effectively completely cut off outside heat, stops the influence of outside heat to packing food, and dampproofing and tensile strength can effectively be improved simultaneously, prolongs holistic life, reduce cost and overall structure surfacing, packing and use pleasing to the eye.

Description

Food packaging film with good tensile effect

Technical Field

The utility model relates to a food package technical field specifically is an effectual food packaging film of tensile.

Background

The food packaging film is a high polymer material which is used for wrapping the surface of food and is mainly used for isolating and decomposing the entering of microbe bacteria and foreign pollutants and preventing and prolonging the deterioration of the food, and a plurality of methods are provided for preparing the food packaging film, one method is that antibacterial agents are prepared into antibacterial master batches, the antibacterial agents or the antibacterial master batches and resin are prepared by single-layer extrusion or salivation, or the antibacterial master batches and the resin are used as surface layers and other layers to be jointly extruded to form an antibacterial composite film, and the other method is also obtained by coating or evaporating the antibacterial agents on the resin film, the food packaging film not only meets the necessary performances of the packaging materials such as mechanical property, printing property, display property and the like required by commodity packaging, but also has high requirements on the sanitation property of the packaging material for food articles in various countries in the world, and the packaging film with the traditional structure is used for food packaging and sealing at present, the structure design is unreasonable, the performance of the high temperature resistance and the tensile resistance is poor, the food is lost or deteriorated in the transportation, storage and other processes, and the use requirement of the existing food package can not be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an effectual food packaging film of tensile possesses the advantage that improves the tensile, has solved the packaging film that is used for food package, sealing of current traditional structure, and its structural design is unreasonable, leads to the aspect of high temperature resistant and tensile to show relatively poorly, leads to food to appear the loss or deteriorate at in-process such as transportation, storage, can not satisfy current food package operation requirement's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an effectual food packaging film of tensile, includes the stratum basale, the fixed surface of stratum basale is connected with the composite bed, the fixed surface of composite bed is connected with the tensile layer, the composite bed includes fire-retardant layer, the fixed surface on fire-retardant layer is connected with the insulating layer.

Preferably, the substrate layer is made of a double-layer polyester film, the double-layer polyester film is bonded through starch glue, and the starch glue is made of corn starch.

Preferably, the tensile layer is made of hydroxybutyrate-valerate, and the tensile layer is formed by melting double-layer co-extrusion.

Preferably, the flame-retardant layer is a polycarbonate flame-retardant PC film, and the tensile layer and the flame-retardant layer are compounded through hot melting and coextrusion.

Preferably, the heat insulation layer is made of polymer materials, and the thickness of the heat insulation layer is 12-20 um.

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

1. the utility model discloses a cooperation of stratum basale, composite bed, tensile layer, fire-retardant layer and insulating layer is used, can effectual solution traditional food packaging film single structure, the relatively poor problem of pull resistance, this food packaging film can effectively completely cut off outside heat, stops the influence of outside heat to packing food, and dampproofing and tensile strength can effectively be improved simultaneously, prolongs holistic life, reduce cost and overall structure surfacing, packing and use pleasing to the eye.

2. The utility model discloses a set up the tensile layer, adopt hydroxybutyrate valeric acid copolyester to make to through the double-deck crowded film of crowded altogether of melting, whole tensile effect that can effectual enhancement packaging film has improved use strength, through setting up fire-retardant layer, can strengthen this food packaging film's flame retardant property, reduces the burning rate of conflagration, through setting up the insulating layer, can effectively completely cut off the outside heat, reduces the influence that ambient temperature produced food.

Drawings

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

FIG. 2 is a schematic diagram of the present invention;

fig. 3 is a schematic view of the composition structure of the composite layer of the present invention.

In the figure: 1. a base layer; 2. compounding layers; 201. a flame retardant layer; 202. a thermal insulation layer; 3. a tensile layer.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred 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", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, 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.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-3, a food packaging film with good tensile effect comprises a substrate layer 1, wherein the substrate layer 1 is made of a double-layer polyester film bonded by starch glue, the starch glue is made of corn starch, a composite layer 2 is fixedly connected to the surface of the substrate layer 1, a tensile layer 3 is fixedly connected to the surface of the composite layer 2, the tensile layer 3 is made of hydroxybutyrate valerate copolyester, the tensile layer 3 is formed by melting double-layer coextrusion, the composite layer 2 comprises a flame-retardant layer 201, the flame-retardant layer 201 is made of polycarbonate flame-retardant PC film, the tensile layer 3 and the flame-retardant layer 201 are formed by melting coextrusion, a thermal-protective layer 202 is fixedly connected to the surface of the flame-retardant layer 201, the thermal-protective layer 202 is made of a polymer material, the thickness of the thermal-protective layer 202 is 12-20 μm, the tensile layer 3 is made of hydroxybutyrate valerate copolyester by arranging, and through the double-deck crowded film forming altogether of melting, can effectual enhancement packaging film's whole tensile effect, use strength has been improved, through setting up fire-retardant layer 201, can strengthen this food packaging film's fire behaviour, reduce the burning rate of conflagration, through setting up insulating layer 202, can effectively completely cut off outside heat, reduce the influence that ambient temperature produced food, through stratum basale 1, composite bed 2, tensile layer 3, fire-retardant layer 201 and insulating layer 202's cooperation is used, can effectually solve traditional food packaging film structure singleness, the relatively poor problem of pull resistance, this food packaging film can effectively completely cut off outside heat, stop the influence of outside heat to packing food, simultaneously dampproofing and tensile property effectively improve, prolong holistic life, reduce cost and overall structure surfacing, it is pleasing to the eye to pack to use.

During the use, through tensile layer 3, adopt hydroxybutyrate valeric acid copolyester to make to through the double-deck crowded film of coextruding of melting, the whole tensile effect that can effectual enhancement packaging film has improved use strength, through fire-retardant layer 201, can strengthen the fire behaviour of this food packaging film, reduces the burning rate of conflagration, through insulating layer 202, can effectively completely cut off the outside heat, reduces the influence that ambient temperature produced food.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an effectual food packaging film of tensile, includes stratum basale (1), its characterized in that: the surface of the substrate layer (1) is fixedly connected with a composite layer (2), the surface of the composite layer (2) is fixedly connected with a tensile layer (3), the composite layer (2) comprises a flame-retardant layer (201), and the surface of the flame-retardant layer (201) is fixedly connected with a heat-insulating layer (202).

2. The food packaging film with good tensile effect as claimed in claim 1, wherein: the base layer (1) is made of a double-layer polyester film, the double-layer polyester film is bonded through starch glue, and the starch glue is made of corn starch.

3. The food packaging film with good tensile effect as claimed in claim 1, wherein: the tensile layer (3) is made of hydroxybutyrate-valerate, and the tensile layer (3) is formed by melting double-layer co-extrusion.

4. The food packaging film with good tensile effect as claimed in claim 1, wherein: the flame-retardant layer (201) is a polycarbonate flame-retardant PC film, and the tensile layer (3) and the flame-retardant layer (201) are formed by hot-melting and co-extrusion compounding.

5. The food packaging film with good tensile effect as claimed in claim 1, wherein: the heat insulation layer (202) is made of polymer materials, and the thickness of the heat insulation layer (202) is 12-20 microns.