CN220949272U - Laminated packaging bag - Google Patents

Abstract

The utility model provides a laminated packaging bag, a bag body, comprising: a first surface layer film which is arranged in sequence; the quantity that inlayer membrane set up is a, satisfies quantitative relation: a is more than or equal to 1; and a second surface layer film. The surface layer film I comprises an outer film layer I, an outer film layer II, an outer film layer III and an outer film layer IV which are sequentially arranged from inside to outside; or/and the surface layer film I comprises an outer film layer I, an outer film layer II, an outer film layer III and an outer film layer IV which are sequentially arranged from inside to outside. The laminated packaging bag has the characteristics of convenient opening, effective improvement of the contact area between interlayer substances and good use effect.

Description

Laminated packaging bag

Technical Field

The utility model belongs to the technical field of packaging materials, and relates to a laminated packaging bag.

Background

The special components on the facial tissue can generate certain degree of heating together with the emulsion, and when the facial tissue is used by end consumers, the emulsion is uniformly coated on the body feeling of the facial tissue to bring a distinctive experience; some emulsion products used in a mixing way in the cosmetic industry need to be packaged separately before use, and A, B emulsions can be mixed together when being used by consumers; some new innovations in the food industry are to combine dry food with sauce milky condiment, and end consumers uniformly coat the sauce milky condiment on the dry food for eating, so as to obtain different taste experiences. In order to solve the problem that two kinds of contents cannot be put together for packaging, separate packaging is required.

In the prior art, the following are disclosed:

CN 201566915U: a double-layer environment-friendly melon seed bag relates to a melon seed bag. It consists of melon seed bags (1) and an isolating layer (2); the isolating layer (2) is arranged at the inner side of the melon seed bag (1) and divides the melon seed bag into two layers, one layer is used for placing melon seeds and the other layer is used for placing melon seed shells; after eating the melon seeds, the melon seeds can be packaged in time, so that the melon seed shells are not thrown anywhere, and the environment is protected.

CN 205499712U: the utility model discloses a double-layer packaging bag, which comprises a bag body, wherein the bag body is sequentially formed by a front film, a middle film and a rear film from front to back, the outer edges of the front film, the middle film and the rear film are connected in a heat sealing mode.

In summary, different packaging is required for different separation and combination products in the prior art, so that most of separation and packaging of food and cosmetics in the market at present are in a left-right cavity separation mode, the separation and storage functions are focused, certain specific product requirements cannot be met in terms of functions and performances, and the experience and usability of consumers cannot be focused.

In order to solve the defects of the existing cosmetic and food packaging materials, the utility model designs the laminated packaging bag which has reasonable structure, is convenient to open, effectively improves the contact area between interlayer substances and has good use effect.

Disclosure of Invention

The utility model provides a laminated packaging bag which is reasonable in structure, convenient to open, capable of effectively improving the contact area between interlayer substances and good in using effect, and solves the problems existing in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

A laminated packaging bag, the bag body comprising:

A first surface layer film which is arranged in sequence;

The quantity that inlayer membrane set up is a, satisfies quantitative relation: a is more than or equal to 1;

and a second surface layer film.

As a further improvement of the scheme, the surface film I comprises an outer film layer I, an outer film layer II, an outer film layer III and an outer film layer IV which are sequentially arranged from inside to outside;

Or/and (or)

The surface layer film 11 comprises an outer film layer I, an outer film layer II, an outer film layer III and an outer film layer IV which are sequentially arranged from inside to outside.

As a further improvement of the scheme, the first outer film layer is a PET film layer.

As a further improvement of the scheme, the second outer film layer is an aluminum foil film layer.

As a further improvement of the scheme, the third outer film layer is a PET film layer.

As a further improvement of the scheme, the outer film layer IV is a polyethylene film layer.

As a further improvement of the scheme, the inner layer film at least comprises a first surface heat sealing layer, a second glue layer, a third functional layer, a fourth glue layer, a fifth barrier layer, a sixth glue layer, a seventh functional layer, an eighth glue layer and a ninth surface heat sealing layer which are sequentially arranged.

As a further improvement of the present solution,

The first surface heat sealing layer is a polyethylene film layer;

the third functional layer is a PET film layer;

The fifth barrier layer is an aluminum foil layer;

The seventh functional layer is a PET film layer;

the ninth surface heat sealing layer is a polyethylene film layer.

As a further improvement of the present solution,

The thickness of the first surface layer film and the second surface layer film is 0.10-0.12 mm;

The thickness of the inner layer film is designed to be 0.10-0.12 mm.

Compared with the prior art, the laminated packaging bag comprises:

1) The bag body A, B films are all made of multi-layer material combination, have extremely high barrier performance and corrosion resistance, and effectively block the advanced cross mixing of the product functions among a plurality of chambers;

2) The modified materials are used from the outside to the inside of the bag body, and the bag body is torn from a preset tearing opening to form a linear bag opening.

3) After the bag body is opened, the contents are effectively and uniformly mixed when the contents are taken out in a three-dimensional superposition mode.

4) The laminated packaging bag can realize two-cavity separation packaging and multi-cavity separation packaging, is formed by combining modified materials, has a unique linear opening effect, can effectively separate two or more contents, has the function of preventing product from being mixed in advance, and can bring convenience for laminated three-dimensional mixed use to consumers.

Drawings

FIG. 1 is a schematic view of the structure of the laminated packaging bag of the present utility model.

FIG. 2 is a schematic cross-sectional view of one embodiment of the laminated packaging bag of the present utility model.

FIG. 3 is a schematic cross-sectional view of another embodiment of the laminated packaging bag of the present utility model.

FIG. 4 is a schematic view of a three-layer film structure of the laminated packaging bag of the present utility model.

Fig. 5 is a schematic view showing the structure of the laminated packaging bag of the present utility model before use.

FIG. 6 is a schematic view showing the structure of the laminated packaging bag of the present utility model after use.

FIG. 7 is a schematic view showing the structure of the laminated packaging bag according to the present utility model in use.

FIG. 8 is a schematic view of the top film structure of the laminated packaging bag of the present utility model.

FIG. 9 is a schematic view showing the structure of an inner film of the laminated packaging bag of the present utility model.

In the drawing the view of the figure,

11-First superficial film;

111-outer membrane layer one; 112-outer membrane layer two; 113-adventitia layer three; 114-adventitia layer four;

12-a second surface layer film;

20-an inner layer film;

201-a first surface heat-seal layer; 202-a second glue layer; 203-a third functional layer; 204-a fourth glue layer; 205-a fifth layer barrier layer; 206-sixth glue layer; 207-seventh functional layer; 208-eighth glue layer; 209-ninth layer surface heat-sealing layer.

Detailed Description

The technical scheme of the utility model is further described below with reference to the embodiment and the attached drawings.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

A laminated packaging bag, the bag body comprising:

A first surface layer film 11 arranged in sequence;

the inner layer film 20, the quantity that the inner layer film 20 set up is a, satisfies quantitative relation: a is more than or equal to 1;

And a second surface layer film 12.

The surface layer film I11 comprises an outer film layer I111, an outer film layer II 112, an outer film layer III 113 and an outer film layer IV 114 which are sequentially arranged from inside to outside;

Or/and (or)

The surface layer film I11 comprises an outer film layer I111, an outer film layer II 112, an outer film layer III 113 and an outer film layer IV 114 which are sequentially arranged from inside to outside;

the first outer film layer 111 is a PET film layer.

The second outer film layer 112 is an aluminum foil film layer.

And the third outer film layer 113 is a PET film layer.

The outer film layer IV 114 is a polyethylene film layer.

The inner layer film 20 at least comprises a first surface heat-sealing layer 201, a second glue layer 202, a third functional layer 203, a fourth glue layer 204, a fifth barrier layer 205, a sixth glue layer 206, a seventh functional layer 207, an eighth glue layer 208 and a ninth surface heat-sealing layer 209 which are sequentially arranged.

The first surface heat-seal layer 201 is a polyethylene film layer;

the third functional layer 203 is a PET film layer;

The fifth barrier layer 205 is an aluminum foil layer;

the seventh functional layer 207 is a PET film layer;

The ninth surface heat-seal layer 209 is a polyethylene film layer.

The thickness of the first surface layer film 11 and the second surface layer film 12 is 0.10-0.12 mm;

The thickness of the inner layer film 20 is designed to be 0.10-0.12 mm.

Still further, the method comprises the steps of,

In this embodiment 1, the bag body has a three-layer structure after being torn from the side, the two surfaces of the inner layer film 20 are heat-sealing layers, and in the preparation process, the two surfaces are connected into a whole by way of heat sealing around, and the laminated packaging bag has the structure that: first surface layer film 11, inner layer film 20 (middle layer), and second surface layer film 12. Moreover, the end of the inner layer film 20 and the end of the first surface layer film 11 and the end of the second surface layer film 12 are subjected to heat sealing operation, so that the heat sealing of the whole laminated packaging bag is realized.

By above-mentioned three layer construction, two cavities have been constituted: a cavity A and a cavity B;

Wherein, the cross-sectional area of the cavity A is a, the cross-sectional area of the cavity B is B, the cross-sectional area of the inner layer film 20 (the area except for the heat sealing edge) is c, and the number relationship is satisfied: a=b=c;

The heat seal connection mode of above-mentioned structure for when the bag body is opened, the thing in A chamber can contact with the thing in B chamber with the biggest area of contact, for example: when the facial mask and the facial mask liquid in the facial mask with the heating function are placed in the cavity A and the cavity B respectively, the tearing opening is opened, the facial mask and the facial mask liquid can be fully contacted and mixed, and the use of a user is facilitated.

The opening is preset near the bag opening of the bag body, so that the bag has excellent linear tearing performance.

The bag body consists of a surface layer A film and a middle barrier layer B film.

The surface layer A film of the bag body is formed by combining four layers of main materials and three layers of auxiliary materials, wherein the total thickness of the surface layer A film of the bag body is 0.12+/-0.02 mm. The first layer of main material is a physically modified PET film, and excellent linear tearing performance is obtained through physical modification, and meanwhile, the first layer of main material has excellent printing suitability, high temperature resistance and rigidity; the second layer of the main material is an aluminum foil layer, has excellent oxygen and water vapor barrier property, good stiffness and good orientation easy tearing property; the third layer of main material is a physically modified PET film, and the third layer of main material and the surface layer are the same performance film; the fourth layer of main material is a functional modified polyethylene film (PE film), and in the process of producing the polyethylene three layers by coextrusion, cycloolefin copolymer (COC) with a specific proportion is respectively added into the outer layer and the core layer to carry out orientation modification on the molecular structure of the polyethylene, so that the polyethylene has specific and excellent linear tearing performance.

The middle barrier layer B film of the bag body is formed by combining five layers of main materials and 4 layers of auxiliary materials, wherein the total thickness is between 0.010 and 0.012 mm. The first layer of main material is a functional modified polyethylene film (PE film), and in the process of producing the polyethylene three layers by coextrusion, cycloolefin copolymer (COC) with a specific proportion is respectively added into the outer layer and the core layer to carry out orientation modification on the molecular structure of the polyethylene, so that the polyethylene has specific and excellent linear tearing performance; the second layer of main material is a physically modified PET film, and excellent linear tearing performance is obtained through physical modification, and meanwhile, the second layer of main material has excellent printing suitability, high temperature resistance and rigidity; the third layer of the main material is an aluminum foil layer, has excellent oxygen and water vapor barrier property, good stiffness and good orientation easy tearing property; the fourth layer of main material is a physically modified PET film and is the same material as the second layer; the fifth layer of main material is a functional modified polyethylene film (PE film) and is made of the same material as the first layer of main material.

The four-layer structure is selected for the surface layer A film of the bag body, the five-layer structure is selected for the B film, the comprehensive function of the bag body is improved, contents of different chambers are effectively blocked, the product functions are prevented from being released in advance or being deteriorated due to insufficient blocking property, and meanwhile, the problems that aluminum foil is oxidized due to water and air and the like due to insufficient structural compactness can be prevented.

The material structure of the bag body is from inside to outside, and the film material with excellent orientation performance is selected, so that the linear orientation easy tearing performance of the bag body is improved.

When the bag body is used, the bag body is opened from the tearing opening, and the three-dimensional superposition mode is used for completing the mixing once when the content is oriented, so that more convenience and usability are brought to consumers.

Example 2

Example 2 differs from example 1 only in that:

As a further extension:

The number of the chambers of the bag body is d, and the number relation is satisfied: d > 2, i.e., the number of the inner layer films 20 (intermediate layers) is not limited to one, and may be several;

At this time, the laminated structure is: skin layer one 11+ inner layer film 20 (middle layer) +inner layer film 20 (middle layer) +the skin layer two 12,

The cavity of the bag body is: and the A cavity, the B cavity and the C cavity are used for realizing the separation, superposition, packaging and use of a plurality of cavities.

Comparative example 1

In this comparative example:

the four layers of materials of the first surface layer film 11 and the second surface layer film 12 are sequentially as follows: PET12; VMPET12; PET12; PE90

The three materials of the inner layer film 20 are in sequence: PE50; VMPET12; PE50.

Comparative example 2

In this comparative example:

The four layers of materials of the first surface layer film 11 and the second surface layer film 12 are sequentially as follows: the three layers of PET 12/aluminum foil/PET 12/PE90 inner layer film 20 are sequentially: PE 50/aluminum foil/PE 50

Comparative example 3

The four layers of materials of the first surface layer film 11 and the second surface layer film 12 are sequentially as follows: the three layers of PET 12/aluminum foil/PET 12/PE90 inner layer film 20 are sequentially: PE40/PET 12/aluminum foil/PET 12/PE40.

As can be seen from fig. 1, the laminated packaging bag according to the present invention, by directionally selecting the materials of the first and second outer films and the inner film, enables the laminated packaging bag for packaging materials to be used in a convenient manner, and has comprehensive performance meeting the use requirement, and specific performance testing parameters are as follows:

The oxygen transmission amount of the outer layer film is as follows: 0.15cm ³/(. Cndot.24 H.mpa);

The oxygen transmission amount of the inner layer film is as follows: 0.21cm ³/(. Cndot.24 H.mpa);

the water boiling gas permeability of the outer layer film is g/(-24H);

The water boiling gas permeability of the inner layer film is 0.2 g/(. Multidot.24H).

Furthermore, the interlayer film is tested for 1 week at the temperature of 50+/-1 ℃ and the humidity of less than or equal to 70% in a constant temperature and humidity box; and a constant temperature and humidity box, wherein the temperature is 25+/-1 ℃, the humidity is less than or equal to 70 percent, and the test is qualified under the experimental condition of 1 week, the interlayer of the middle layer is unchanged, and the black is avoided.

The preferred embodiments of the present utility model are described herein, but the scope of the present utility model is not limited thereto. Modifications, additions, or substitutions of the described embodiments by those skilled in the art are intended to be within the scope of the present utility model.

Claims (9)

1. Laminated packaging bag characterized in that the bag body (10) comprises:

arranged in sequence

A first surface layer film (11);

The inner layer film (20), the quantity that inner layer film (20) set up is a, satisfies quantitative relation: a is more than or equal to 1;

A second surface layer film (12);

Wherein, the cross-sectional area of the A cavity is a1, the cross-sectional area of the B cavity is B, the cross-sectional area of the inner layer film (20) is c, and the number relation is satisfied: a1 =b=c.

2. The laminated packaging bag as claimed in claim 1, wherein,

The surface layer film I (11) comprises an outer film layer I (111), an outer film layer II (112), an outer film layer III (113) and an outer film layer IV (114) which are sequentially arranged from inside to outside.

3. The laminated packaging bag as claimed in claim 2, wherein the first film layer (111) is a PET film layer.

4. The laminated packaging bag as claimed in claim 2, wherein the outer film layer two (112) is an aluminum foil film layer.

5. The laminated packaging bag as claimed in claim 2, wherein the outer film layer three (113) is a PET film layer.

6. The laminated packaging bag of claim 2, wherein the outer film layer four (114) is a polyethylene film layer.

7. The laminated packaging bag according to claim 1, wherein the inner film (20) comprises at least a first surface heat-sealing layer (201), a second glue layer (202), a third functional layer (203), a fourth glue layer (204), a fifth barrier layer (205), a sixth glue layer (206), a seventh functional layer (207), an eighth glue layer (208) and a ninth surface heat-sealing layer (209) which are arranged in sequence.

8. The laminated packaging bag as claimed in claim 7, wherein,

The first surface heat sealing layer (201) is a polyethylene film layer;

the third functional layer (203) is a PET film layer;

The fifth barrier layer (205) is an aluminum foil layer;

the seventh functional layer (207) is a PET film layer;

the ninth surface heat-sealing layer (209) is a polyethylene film layer.

9. The laminated packaging bag as claimed in claim 7, wherein,

The thickness of the first surface layer film (11) and the second surface layer film (12) is 0.10-0.12 mm;

The thickness of the inner layer film (20) is designed to be 0.10-0.12 mm.