CN213706205U - Food packaging basement membrane and air-conditioned package - Google Patents
Food packaging basement membrane and air-conditioned package Download PDFInfo
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- CN213706205U CN213706205U CN202022392528.1U CN202022392528U CN213706205U CN 213706205 U CN213706205 U CN 213706205U CN 202022392528 U CN202022392528 U CN 202022392528U CN 213706205 U CN213706205 U CN 213706205U
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Abstract
The utility model provides a food packaging bottom film, which comprises a body, wherein the body comprises a lower surface layer, a support body and an upper surface layer; the support body is provided with a placing area; the upper surface layer covers the upper surface of the support body and is made of food-grade plastics; the lower surface layer covers the lower surface of the support body and is made of at least one of PP material and copolyester material; the support body, the upper surface layer and the lower surface layer are transparent, and a printing layer is arranged outside the lower surface layer; the utility model provides an air-conditioning package, which applies the food package bottom film. The food packaging bottom film of the utility model has good printing performance; the air-conditioning package of the utility model can print patterns on the outer surface.
Description
Technical Field
The utility model relates to a modified atmosphere packing field especially indicates food package basement membrane.
Background
The modified atmosphere packaging material is widely used for packaging foods such as meat, fruits and vegetables, bread, cakes, boxed meals and the like, and the modified atmosphere packaging material is filled with protective gas or vacuumized, so that the foods in the modified atmosphere packaging material can be effectively prevented from going bad, the original taste, color, shape and nutrition of the foods are well kept, and the preservation period of the foods is prolonged, so that the modified atmosphere packaging material is subjected to the taste of food processing manufacturers. The common modified atmosphere package comprises an upper package material and a bottom package material, after food is placed between the upper package material and the bottom package material, the edges of the upper package material and the bottom package material are stacked, heated and pressed, and a sealed space is formed by taking the food as a center.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a food package basement membrane, have good printing performance to be convenient for print the pattern on the surface.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the food packaging bottom film comprises a body, wherein the body comprises a lower surface layer, a support body and an upper surface layer; a placing area is arranged on the supporting body; the upper surface layer covers the upper surface of the support body and is made of food-grade plastics; the lower surface layer covers the lower surface of the support body and is made of at least one of PP (polypropylene) materials and copolyester materials; the support body, the upper surface layer and the lower surface layer are transparent, and a printing layer is arranged on the outer side of the lower surface layer.
Compared with the prior art, the utility model discloses a food package basement membrane has following beneficial effect:
(1) the utility model has the advantages that the lower surface layer made of at least one of PP material and copolyester material is arranged on the lower surface of the support body, and the PP material and the copolyester material have good adhesive force with respect to the printing ink, so that the utility model has good printing performance and effectively prevents the printed ink patterns from falling off;
(2) the body is made of three layers of transparent materials, so that the patterns printed on the printing layer outside the lower surface layer can penetrate through the three layers of materials, the patterns on the printing layer can be seen from both the upper surface and the lower surface of the utility model, thereby improving the aesthetic property of the product, and only the printing layer needs to be printed on the lower surface, thereby saving the production cost;
(3) the body is made of three layers of materials, wherein a support body with certain stiffness is used as a middle layer to ensure the structural strength of the body; the upper surface layer made of food-grade plastics covers the upper surface of the support body, so that the surface in contact with food has good biocompatibility, and the food is prevented from being polluted; the combination of the multi-layer materials can improve the printing performance of the product and maintain the hot stretch forming performance of the original sheet.
Preferably, the lower surface layer is made of CPP, or the lower surface layer is made of PETG copolyester.
Because PETG copolyester and CPP have stronger surface polarity, the printing ink side adhesion of being convenient for adheres to, thereby guarantees the utility model discloses have good printing performance, in addition, PETG copolyester and CPP have better extension effect and material stiffness, and its machine performance can guarantee the utility model discloses keep good shape at the printing in-process to the condition of image deformation or image distortion appears in the printing layer of avoiding printing out, and PETG copolyester and CPP have good temperature resistance, can be at the hot stretch forming (make disc or box-like) and when adjusting the packing material with the heat-seal formation of upper portion packaging material, avoid the utility model discloses turn white discolours.
Preferably, the lower surface layer is formed into a corona treatment surface through corona treatment on the outer side, and the printing layer is attached to the corona treatment surface.
Corona treatment face that forms after the surface course corona treatment has outstanding wetting nature and printing ink adhesion nature down to can avoid printing ink delaminating and shifting when hot stretch forming, ensure the printing effect of printing layer, improve the utility model discloses an aesthetic property.
Preferably, the support is made of APET.
Make the supporter through utilizing APET that has good material stiffness and hot stretch forming ability to ensure the utility model discloses a structural strength avoids the utility model discloses an it is impaired when receiving the impact, lead to the gas to transfer the packing impaired.
Preferably, the upper surface layer is made of a composite PE material film; the compound PE material membrane has good biocompatibility, heat sealability and barrier properties, thereby the utility model discloses can contact food, make canned type gas transfer packing material to and avoid the external environment pollutant to get into and pollute food in the packing material.
Preferably, an adhesive layer is arranged between the lower surface layer and the support body, and/or an adhesive layer is arranged between the upper surface layer and the support body, and the adhesive layer is composed of an adhesive.
Through setting up the bond line, can promote down the top layer with bond strength between supporter (or, the top layer with the supporter) avoids each layer material of practicality appears the separation, influences the utility model discloses a normal use.
Preferably, the outer side of the lower surface layer is provided with anti-skid grains.
Through set up anti-skidding line on the top layer down, on the one hand, can improve the utility model discloses an anti-skidding performance, on the other hand will the utility model discloses when arranging the plane in, anti-skidding line enables to leave the clearance between printing layer and the plane to avoid taking place the friction between printing layer and the plane and lead to the printing layer impaired.
Preferably, the printing device further comprises a protective layer, and the protective layer covers the outer side of the printing layer.
Through setting up the protective layer, enable the printing layer and be located down between top layer and the protective layer to avoid printing layer direct contact external environment, avoid printing layer impaired.
Preferably, the protective layer extends from the lower surface of the lower surface layer to the side portion of the support body.
The protective layer adopts the arrangement mode, so that the pattern edge of the printing layer is also coated in the protective layer, and the protective effect of the protective layer is further improved.
Another object of the utility model is to provide an use gas of above-mentioned food package basement membrane to transfer packing material, it includes the basement membrane and takes off the epiphragma, and food is arranged in place in the district, take off the epiphragma size at least with place district looks adaptation, take off the epiphragma and seal the laminating in basement membrane upper surface with cladding food.
Compared with the prior art, the utility model discloses an air-conditioning package thing has good printing performance's food package basement membrane through the use to make after printing the pattern the utility model discloses more have the aesthetic property, and higher discernment degree.
Drawings
Fig. 1 is a schematic view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a sectional view of the third embodiment;
figure 4 is a schematic view of a modified atmosphere package.
Description of reference numerals:
the food packaging film comprises a base film 1, a body 10, an upper surface layer 2, a support body 3, a storage area 31, a lower surface layer 4, a corona treatment surface 41, anti-skid grains 42, a protective layer 5, a bonding layer 6, a cover film 7 and food 9.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings:
example one
Referring to fig. 1 to 2, a bottom film 1 for food packaging of the present embodiment includes a body 10, the thickness of the body 10 is 50-1000 μm, and the body 10 includes a lower surface layer 4, a support body 3 and an upper surface layer 2; a placing area 31 is arranged on the support body 3; the upper surface layer 2 covers the upper surface of the support body 3, and the upper surface layer 2 is made of food-grade plastics; the lower surface layer 4 covers the lower surface of the support body 3, and the lower surface layer 4 is made of at least one of a PP material and a copolyester material; the thickness of the support body 3 is 20-800 μm, the thickness of the upper surface layer 2 is 20-100 μm, and the thickness of the lower surface layer 4 is 10-100 μm; the support body 3, the upper surface layer 2 and the lower surface layer 4 are transparent, and a printing layer (not shown in the figure) is arranged on the outer side of the lower surface layer 4.
The lower skin 4 is made of CPP.
The surface layer 4 outside forms corona treatment face 41 through corona treatment down, the printing layer is attached to corona treatment face 41.
Corona treatment face 41 that forms after 4 corona treatment on lower surface layer has outstanding wettability and printing ink adhesion to can avoid printing ink delaminating and shift when hot stretch forming, ensure the printing effect of printing layer, improve the utility model discloses an aesthetic property.
The support body 3 is made of APET.
Make supporter 3 through utilizing APET that has good material stiffness and hot stretch forming ability to ensure the utility model discloses a structural strength avoids the utility model discloses an it is impaired when receiving the impact, lead to the gas to transfer the packing impaired.
The upper surface layer 2 is made of a composite PE material film; the compound PE material membrane has good biocompatibility, heat sealability and barrier properties, thereby the utility model discloses can contact food, make canned type gas transfer packing material to and avoid the external environment pollutant to get into and pollute food in the packing material.
An adhesive layer 6 is arranged between the lower surface layer 4 and the support body 3, an adhesive layer 6 is arranged between the upper surface layer 2 and the support body 3, and the adhesive layer 6 is composed of an adhesive.
Through setting up bond line 6, can promote down top layer 4 with bond strength between supporter 3 (or, top layer 2 with supporter 3) avoids the each layer material of practicality appears separating, influences the utility model discloses a normal use.
Referring to fig. 1 to 2, the outer side of the lower surface layer 4 is provided with anti-slip lines 42.
Through set up anti-skidding line 42 on top layer 4 down, on the one hand, can improve the utility model discloses an anti-skidding performance, on the other hand will the utility model discloses when arranging the plane in, anti-skidding line 42 enables to leave the clearance between printing layer and the plane to avoid taking place the friction between printing layer and the plane and lead to the printing layer impaired.
Compared with the prior art, the utility model discloses a food package basement membrane 1 has following beneficial effect:
(1) the utility model has the advantages that the lower surface of the support body 3 is provided with the lower surface layer 4 made of at least one of PP material and copolyester material, and the PP material and the copolyester material have good adhesive force with respect to printing ink, so that the utility model has good printing performance and effectively prevents the printed ink patterns from falling off;
(2) the body 10 is made of three layers of transparent materials, so that the patterns printed on the printing layer outside the lower surface layer 4 can penetrate through the three layers of materials, the patterns on the printing layer can be seen from the upper surface and the lower surface of the utility model, thereby improving the aesthetic property of the product, and only the printing layer needs to be printed on the lower surface, thereby saving the production cost;
(3) the body 10 is made of three layers of materials, wherein the support body 3 with certain stiffness is used as a middle layer to ensure the structural strength of the body 10; the upper surface of the support body 3 is covered with the upper surface layer 2 made of food-grade plastics, so that the surface in contact with food is ensured to have good biocompatibility, and the food is prevented from being polluted; the combination of the multi-layer materials can improve the printing performance of the product and maintain the hot stretch forming performance of the original sheet.
Example two
The difference between this embodiment and the first embodiment is: the lower skin 4 is made of a different material.
In this embodiment, the lower skin layer 4 is made of PETG copolyester.
Because PETG copolyester and CPP have stronger surface polarity, the printing ink side adhesion of being convenient for adheres to, thereby guarantees the utility model discloses have good printing performance, in addition, PETG copolyester and CPP have better extension effect and material stiffness, and its machine performance can guarantee the utility model discloses keep good shape at the printing in-process to the condition of image deformation or image distortion appears in the printing layer of avoiding printing out, and PETG copolyester and CPP have good temperature resistance, can be at the hot stretch forming (make disc or box-like) and when adjusting the packing material with the heat-seal formation of upper portion packaging material, avoid the utility model discloses turn white discolours.
EXAMPLE III
Referring to fig. 3, in this embodiment, as a modification of the food packaging film 1 in the first embodiment or the second embodiment, the body 10 further includes a protective layer 5, and the protective layer 5 covers the printed layer; specifically, the protective layer is made of PE, and the protective layer may be covered on the outer side of the printed layer by thermal compounding or an adhesive.
Through setting up protective layer 5, enable the printing layer and be located between top layer 4 and protective layer 5 down to avoid printing layer direct contact external environment, avoid printing the layer impaired.
The protective layer 5 extends from the lower surface of the lower surface layer 4 to the side of the support body 3.
The protective layer 5 adopts the arrangement mode, so that the pattern edge of the printing layer is also coated in the protective layer 5, and the protective effect of the protective layer 5 is further improved.
Example four
Referring to fig. 4, another object of the present invention is to provide a modified atmosphere package using the food packaging bottom film 1, which comprises a bottom film 1 and a cover-removing film 7, wherein food is placed in the placing area 31, the size of the cover-removing film 7 at least matches with the placing area 31, and the cover-removing film 7 is sealed and attached on the upper surface of the bottom film 1 to coat the food 8.
Compared with the prior art, the utility model discloses an air-conditioning package material has good printing performance's food package basement membrane 1 through the use to make after printing the pattern the utility model discloses more have the aesthetic property, and higher discernment degree.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The food packaging bottom film is characterized by comprising a body, wherein the body comprises a lower surface layer, a support body and an upper surface layer;
a placing area is arranged on the supporting body;
the upper surface layer covers the upper surface of the support body and is made of food-grade plastics;
the lower surface layer covers the lower surface of the support body and is made of at least one of PP (polypropylene) materials and copolyester materials;
the support body, the upper surface layer and the lower surface layer are transparent, and a printing layer is arranged on the outer side of the lower surface layer.
2. A food packaging film according to claim 1, wherein said lower skin layer is made of CPP or PETG copolyester.
3. The bottom film for food packaging according to claim 1, wherein the lower surface layer is corona-treated on the outer side to form a corona-treated surface, and the printed layer is attached to the corona-treated surface.
4. The food packaging film according to claim 1, wherein the support is made of APET.
5. The food packaging base film according to claim 1, wherein said upper skin layer is made of a composite PE material film.
6. Food packaging carrier film according to claim 1, wherein an adhesive layer is provided between the lower skin layer and the support body and/or an adhesive layer is provided between the upper skin layer and the support body, the adhesive layer consisting of an adhesive.
7. The bottom film of food packaging of claim 1, wherein the bottom surface layer is provided with non-slip texture on the outside.
8. The food packaging film of claim 1, further comprising a protective layer overlying the printed layer.
9. The bottom film for food packaging according to claim 8, wherein the protective layer extends from the lower surface of the lower skin layer to the side portion of the support body.
10. Modified atmosphere package, including basement membrane and take off lid membrane, characterized in that, the basement membrane is the food package basement membrane of any one of claims 1 to 9, and food is placed in place the district, take off lid membrane size at least with place the district looks adaptation, take off lid membrane sealed laminating in basement membrane upper surface in order to wrap up food.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392528.1U CN213706205U (en) | 2020-10-23 | 2020-10-23 | Food packaging basement membrane and air-conditioned package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392528.1U CN213706205U (en) | 2020-10-23 | 2020-10-23 | Food packaging basement membrane and air-conditioned package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213706205U true CN213706205U (en) | 2021-07-16 |
Family
ID=76800727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022392528.1U Active CN213706205U (en) | 2020-10-23 | 2020-10-23 | Food packaging basement membrane and air-conditioned package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213706205U (en) |
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2020
- 2020-10-23 CN CN202022392528.1U patent/CN213706205U/en active Active
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