CN217261797U - Novel film and packaging bag - Google Patents

Abstract

The utility model discloses a novel film and wrapping bag relates to the film products, and it is not enough to aim at solving current packaging film and keep fragrant ability to make the content in the wrapping bag become long along with time, often can lose partly its fragrant smell of itself, thereby cause the problem that the competitiveness of product descends, its technical scheme main points are: including heat-seal layer, sandwich layer and the corona layer that distributes in proper order, the sandwich layer includes biaxial stretching thin layer, protects fragrant layer and impact resistant layer, a plurality of antislip strips of fixedly connected with on the corona layer. The utility model discloses a fragrant layer is protected in the setting, improves the fragrant ability of protecting of the wrapping bag that the film was made, improves the product competitiveness of content, and resistant towards the layer can improve the intensity of the wrapping bag that the film was made, and the biaxial stretching thin layer is biaxial stretching polypropylene layer, and biaxial stretching polypropylene layer has good mechanical properties, heat resistance and optical property, and matter is light, nontoxic, dampproofing, dimensional stability is high, the price is low to have higher price/performance ratio.

Description

Novel film and packaging bag

Technical Field

The present invention relates to film products, and more particularly, to a novel film and a packaging bag.

Background

The film is a thin, soft, transparent sheet. Made of plastic, adhesive, rubber or other materials. The scientific interpretation of the film is as follows: a 2-dimensional material formed by atomic, molecular or ionic deposition on a substrate surface. Example (c): optical films, composite films, superconducting films, polyester films, nylon films, plastic films, and the like. Films are widely used in the industries of electronics, machinery, printing and the like, and are classified according to the use of the films: there are agricultural films (here, depending on the specific use of the agricultural film, they can be divided into mulching films and greenhouse films); packaging films (packaging films are classified into food packaging films and packaging films for various industrial products, etc. depending on the specific applications), and breathable films, water-soluble films, films having piezoelectric properties, and the like which are used in special environments and have special applications.

The packaging film is often used for manufacturing a packaging bag, but the existing packaging film has insufficient fragrance-retaining capability, so that the contents in the packaging bag lose part of the fragrance of the contents over time, and the competitiveness of the product is reduced.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a novel film and wrapping bag.

The above technical object of the present invention can be achieved by the following technical solutions: the utility model provides a novel film, is including heat-seal layer, sandwich layer and the corona layer that distributes in proper order, the sandwich layer includes the biaxial stretching thin layer, protects fragrant layer and impact resistant layer, the antislip strip that a plurality of even intervals of fixedly connected with set up on the corona layer.

Through adopting above-mentioned technical scheme, the heat-seal layer can be heated and become glutinous flow state, make to be in glutinous flow state heat-seal layer interface molecular chain interpenetration with the help of certain heat-seal pressure, the diffusion, make two-layer membrane interface merge as whole, the wrapping bag is made into to the film conveniently, the corona layer can make the surface of film have higher adhesion, make printing ink and adhesive can be firm in adhesion on the film, the pattern is made on the wrapping bag that the film was made to the convenience, through setting up the fragrance preserving layer, can improve the fragrance preserving ability of the wrapping bag that the film was made, improve the product competitiveness of the content of its packing, resistant towards the layer can improve the intensity of the wrapping bag that the film was made, make it more durable, through setting up the antislip strip, can improve the frictional force between the wrapping bag that hand and film were made, thereby conveniently grip the wrapping bag.

The utility model discloses further set up to: the two-way stretching film layer is a two-way stretching polypropylene layer, the fragrance-keeping layer is a VMPET layer, and the impact-resistant layer is an LLDPE layer.

By adopting the technical scheme, the biaxially oriented polypropylene layer has excellent mechanical property, heat resistance and optical property, is light in weight, non-toxic, moisture-proof, high in dimensional stability and low in price, so that the biaxially oriented polypropylene layer has higher cost performance, the VMPET layer has fragrance-retaining capacity, the contents of a package made of the film can retain long-term fragrance, and the biaxially oriented polypropylene layer has the characteristics of shading and ultraviolet irradiation resistance, so that the quality guarantee period of the contents is prolonged, and the LLDPE layer has strong impact resistance, so that the strength of the package made of the film is improved, and the package made of the film is more durable.

The utility model discloses further set up to: the antislip strip comprises a film main body fixed with the corona layer, and a plurality of antislip salient points are formed on the film main body.

Through adopting above-mentioned technical scheme, the coefficient of friction on antislip strip surface can be increased to the antiskid salient point to play the effect of the frictional force between increase film and the hand, and then conveniently grip the wrapping bag that the film was made.

A kind of wrapping bag, its characterized in that: the bag comprises a bag body, the antislip strip is located the opening both sides of the bag body, be equipped with the heat-seal connecting portion that a plurality of even array distribute and connect the bag body two sides on the bag body, the heat-seal connecting portion falls into a plurality of independent chambeies with bag internal portion.

Through adopting above-mentioned technical scheme, the wrapping bag adopts above-mentioned film to make the wrapping bag have good fragrant ability of protecting to conveniently place tealeaves etc. and have fragrant content for a long time, and heat-seal connecting portion can fall into a plurality of parts that the bag body independently set up, thereby after taking out partial content, can play the effect of protecting fragrance to all the other contents, be favorable to playing the product competitiveness of content, the wrapping bag is conveniently held in setting up of antislip strip.

The utility model discloses further set up to: the opening border of the bag body is provided with a plurality of incision grooves which are evenly distributed in an array and arranged in a V shape, and the groove bottoms of the incision grooves are connected with one end of the heat-sealing connecting part.

Through adopting above-mentioned technical scheme, when cutting the opening in every independent chamber, the setting of incision groove can avoid cutting excessively, facilitates the use more.

The utility model discloses further set up to: the heat-seal connecting part is provided with a plurality of easy-tearing holes which are uniformly arranged along the length direction at intervals, and the easy-tearing holes are communicated with two sides of the heat-seal connecting part.

Through adopting above-mentioned technical scheme, conveniently tear heat-seal connecting portion through easily tearing the hole to make the separation of the bag body, and then conveniently pull down the independent chamber and be the empty part bag body, reduce the occupation space of the bag body.

To sum up, the utility model discloses following beneficial effect has: the heat-seal layer can be heated and become glutinous flow state, make to be in glutinous flow state heat-seal layer interface molecular chain interpenetration with the help of certain heat-seal pressure, the diffusion, it is whole to make the integration of two-layer membrane interface, the wrapping bag is made into to the film to the convenience, the corona layer can make the surface of film have higher adhesiveness, make printing ink and adhesive can adhere to firmly on the film, the pattern is made on the wrapping bag that the film was made to the convenience, through setting up the fragrance preserving layer, can improve the fragrance preserving ability of the wrapping bag that the film was made, improve the product competitiveness of the content of its packing, resistant towards the layer can improve the intensity of the wrapping bag that the film was made, make it more durable, through setting up the antislip strip, can improve the frictional force between the wrapping bag that hand and film were made, thereby the wrapping bag conveniently grips.

Drawings

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

fig. 2 is a schematic structural view of the middle packing bag of the present invention.

In the figure: 1. a heat seal layer; 2. a core layer; 3. a corona layer; 4. biaxially stretching the film layer; 5. a fragrance-retaining layer; 6. an impact resistant layer; 7. anti-slip strips; 8. anti-skid bumps; 9. a bag body; 10. a heat-seal connecting part; 11. a notch groove; 12. easy-to-tear holes.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The utility model provides a novel film, as shown in figure 1, including the heat-seal layer 1 that distributes in proper order, sandwich layer 2 and corona layer 3, sandwich layer 2 includes biaxial stretching film layer 4, protect fragrant layer 5 and shock-resistant layer 6, wherein, biaxial stretching film layer 4 is the biaxial stretching polypropylene layer, it is the VMPET layer to protect fragrant layer 5, shock-resistant layer 6 is LLDPE layer, LLDPE layer is close to corona layer 3 setting, the antislip strip 7 of a plurality of even intervals of fixedly connected with setting up on corona layer 3, antislip strip 7 includes membrane main part and tie coat, the membrane main part passes through the tie coat to be fixed on corona layer 3, be formed with the antiskid bump 8 of a plurality of array distributions in the membrane main part.

As shown in fig. 1 and 2, a wrapping bag that above-mentioned film was made, including the bag body 9, antislip strip 7 is located the opening both sides of the bag body 9, be equipped with a plurality of even array distribution on the bag body 9 and connect the heat-seal connecting portion 10 on the bag body 9 two sides, heat-seal connecting portion 10 falls into a plurality of independent chambeies with bag body 9 inside, every independent chamber opening heat-seal, the incision groove 11 that a plurality of even array distributions just were the setting of V type is seted up at the opening border of the bag body 9, the tank bottom of incision groove 11 is connected with the one end of heat-seal connecting portion 10, set up a plurality of easy holes 12 that tear that set up along its length direction even interval on the heat-seal connecting portion 10, easily tear the two sides of hole 12 intercommunication heat-seal connecting portion 10, easily tear hole 12 and be waist type hole.

The working principle is as follows: the heat-sealing layer 1 of the film can be heated to be in a viscous flow state, molecular chains at the interface of the heat-sealing layer 1 in the viscous flow state are mutually permeated and diffused by means of certain heat-sealing pressure, so that the interfaces of the two layers of films are fused into a whole, the film is conveniently made into a packaging bag, the corona layer 3 can ensure that the surface of the film has higher adhesiveness, so that printing ink and an adhesive can be firmly adhered on the film, and patterns can be conveniently made on the packaging bag made of the film, the biaxially oriented polypropylene layer has excellent mechanical property, heat resistance and optical property, is light, nontoxic, moistureproof, high in dimensional stability and low in price, thereby having higher cost performance, the VMPET layer has fragrance-retaining capacity, can ensure that the contents of the packaging made of the film can keep long-term fragrance, and has the functions of shading and ultraviolet irradiation prevention, thereby not only prolonging the shelf life of the contents and improving the product competitiveness of the contents of the packaging, the LLDPE layer has the characteristics that shock resistance is strong to improve the intensity of the wrapping bag that the film was made, make it more durable, through setting up antislip strip 7, can improve the frictional force between the wrapping bag that hand and film were made, thereby conveniently grip the wrapping bag, antislip bump 8 can increase the coefficient of friction on antislip strip 7 surface, thereby play the effect of the frictional force between increase film and the hand, and then conveniently grip the wrapping bag that the film was made.

The wrapping bag adopts above-mentioned film to make, thereby make the wrapping bag have good fragrant ability of keeping, conveniently place the content that has fragrance such as tealeaves for a long time, and heat-seal connecting portion 10 can fall into a plurality of parts that independently set up with bag body 9, thereby after taking out partial content, can play the effect of keeping fragrance to all the other contents, be favorable to playing the product competitiveness of content, the wrapping bag of conveniently taking is set up to antislip strip 7, when the opening in every independent chamber is cut open, the setting of incision groove 11 can be avoided cutting excessively, more facilitates the use, conveniently tear heat-seal connecting portion 10 through easily tearing hole 12, thereby make bag body 9 separate, and then conveniently pull down the independent chamber and be empty partial bag body 9, reduce the occupation space of bag body 9.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A novel film characterized by: including heat-seal layer (1), sandwich layer (2) and corona layer (3) that distribute in proper order, sandwich layer (2) are including biaxial stretching thin layer (4), protect fragrant layer (5) and impact resistant layer (6), antislip strip (7) that a plurality of even intervals of fixedly connected with set up are gone up in corona layer (3).

2. The novel film of claim 1, wherein: the two-way stretching film layer (4) is a two-way stretching polypropylene layer, the fragrance-retaining layer (5) is a VMPET layer, and the impact-resistant layer (6) is an LLDPE layer.

3. The novel film of claim 1, wherein: the anti-slip strip (7) comprises a film main body fixed with the corona layer (3), and a plurality of anti-slip salient points (8) are formed on the film main body.

4. A package formed from the film of any one of claims 1-3, wherein: including the bag body (9), antislip strip (7) are located the opening both sides of the bag body (9), be equipped with a plurality of even array distribution and connect heat-seal connecting portion (10) on the bag body (9) two sides, heat-seal connecting portion (10) divide into a plurality of independent chambeies with bag body (9) inside.

5. The package of claim 4, wherein: the opening border of the bag body (9) is provided with a plurality of incision grooves (11) which are distributed in an even array and arranged in a V shape, and the bottom of each incision groove (11) is connected with one end of each heat-sealing connecting part (10).

6. The package of claim 5, wherein: set up a plurality of easy holes (12) of tearing that set up along its length direction even interval on heat-seal connecting portion (10), easily tear the two sides of hole (12) intercommunication heat-seal connecting portion (10).

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