CN211467736U - Liquid packaging film - Google Patents
Liquid packaging film Download PDFInfo
- Publication number
- CN211467736U CN211467736U CN201921323856.7U CN201921323856U CN211467736U CN 211467736 U CN211467736 U CN 211467736U CN 201921323856 U CN201921323856 U CN 201921323856U CN 211467736 U CN211467736 U CN 211467736U
- Authority
- CN
- China
- Prior art keywords
- layer
- heat
- explosion
- proof
- seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 11
- 229920006280 packaging film Polymers 0.000 title claims abstract description 10
- 239000012785 packaging film Substances 0.000 title claims abstract description 10
- 230000004888 barrier function Effects 0.000 claims abstract description 30
- 239000010410 layer Substances 0.000 claims description 75
- 239000012793 heat-sealing layer Substances 0.000 claims description 28
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 claims description 3
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 229920001986 Vinylidene chloride-vinyl chloride copolymer Polymers 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 8
- 230000002950 deficient Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 3
- 239000005022 packaging material Substances 0.000 abstract description 2
- 235000013361 beverage Nutrition 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 239000004278 EU approved seasoning Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
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Abstract
The utility model provides a liquid packaging film relates to a packaging material technical field. The utility model discloses an including heat-seal layer, barrier layer and explosion-proof layer, the heat-seal layer includes first heat-seal layer and second heat-seal layer, and the barrier layer includes first barrier layer and second barrier layer, and the explosion-proof layer includes first explosion-proof layer and second explosion-proof layer, and first heat-seal layer upper end is provided with first explosion-proof layer, and first explosion-proof layer upper end is provided with first barrier layer, and first barrier layer upper end is provided with second heat-seal layer, and second heat-seal layer upper end is provided with the second barrier layer, and second barrier layer upper end is provided with second heat-seal layer. The utility model discloses the heat-seal is effectual, has reduced the defective percentage of heat-seal process, improves the reliability of packing.
Description
Technical Field
The utility model relates to a packaging material technical field especially relates to a liquid packaging film.
Background
The liquid packaging film is widely used for liquid flexible packages such as milk, seasonings, beverages, bagged drinking water and the like, the common liquid packaging film is a PE film, and the common three-layer co-extrusion PE liquid packaging film is prepared by blending LDPE (low density polyethylene) and LLDPE (linear low density polyethylene), and has low mechanical strength. Taking the bagged beverage as an example, the bagged beverage has the advantages of avoiding secondary pollution at the source of the beverage and during drinking, occupying small space, and being flexible and convenient to store and transport compared with bottled beverage and box-packed beverage, so that the application range is wider than that of the bottled beverage and the box-packed beverage.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned problem, the utility model provides a liquid packaging film makes its heat-seal effectual, has reduced the defective percentage of heat-seal process, improves the reliability of packing.
In order to solve the problem, the utility model provides a liquid packaging film, wherein, including heat-seal layer, barrier layer and explosion-proof layer, the heat-seal layer includes first heat-seal layer and second heat-seal layer, the barrier layer includes first barrier layer and second barrier layer, explosion-proof layer includes first explosion-proof layer and second explosion-proof layer, first heat-seal layer upper end is provided with first explosion-proof layer, first explosion-proof layer upper end is provided with first barrier layer, first barrier layer upper end is provided with second heat-seal layer, second heat-seal layer upper end is provided with the second barrier layer, second barrier layer upper end is provided with second heat-seal layer.
Preferably, the upper end of the first heat-sealing layer is bonded with the first explosion-proof layer through a first acidic resin layer.
Preferably, the upper end of the second heat-sealing layer is bonded with the second explosion-proof layer through a second acidic resin layer.
Preferably, the first barrier layer and the second barrier layer both use vinylidene chloride-vinyl chloride copolymer.
Preferably, the first explosion-proof layer and the second explosion-proof layer both adopt high-density polyethylene.
Preferably, the first heat-sealing layer and the second heat-sealing layer both adopt metallocene polyethylene.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model discloses the heat-seal is effectual, has reduced the defective percentage of heat-seal process, improves the reliability of packing.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples, which are not intended to limit the present invention.
As shown in figure 1, the embodiment of the utility model comprises a heat sealing layer, a barrier layer and an explosion-proof layer, wherein the heat sealing layer comprises a first heat sealing layer and a second heat sealing layer, the barrier layer comprises a first barrier layer and a second barrier layer, the explosion-proof layer comprises a first explosion-proof layer and a second explosion-proof layer, the first explosion-proof layer is arranged at the upper end of the first heat sealing layer, the first barrier layer is arranged at the upper end of the first explosion-proof layer, the second heat sealing layer is arranged at the upper end of the first barrier layer, the second barrier layer is arranged at the upper end of the second heat sealing layer, the second heat sealing layer is arranged at the upper end of the second barrier layer, the upper end of the first heat sealing layer is bonded with the first explosion-proof layer through a first acidic resin layer, the upper end of the second heat sealing layer is bonded with the second explosion-proof layer through a second acidic resin layer, the first barrier layer and the second barrier layer both adopt vinylidene chloride-vinyl, the first explosion-proof layer and the second explosion-proof layer are both made of high-density polyethylene, and the first heat-sealing layer and the second heat-sealing layer are both made of metallocene polyethylene.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (1)
1. The liquid packaging film is characterized by comprising a heat sealing layer, a blocking layer and an explosion-proof layer, wherein the heat sealing layer comprises a first heat sealing layer and a second heat sealing layer, the blocking layer comprises a first blocking layer and a second blocking layer, the explosion-proof layer comprises a first explosion-proof layer and a second explosion-proof layer, the first explosion-proof layer is arranged at the upper end of the first heat sealing layer, the first blocking layer is arranged at the upper end of the first explosion-proof layer, the second heat sealing layer is arranged at the upper end of the first blocking layer, the second blocking layer is arranged at the upper end of the second heat sealing layer, and the second heat sealing layer is arranged at the upper end of the second blocking layer;
the upper end of the first heat-sealing layer is bonded with the first explosion-proof layer through a first acidic resin layer;
the upper end of the second heat sealing layer is bonded with the second explosion-proof layer through a second acidic resin layer;
the first barrier layer and the second barrier layer both adopt vinylidene chloride-vinyl chloride copolymer;
the first explosion-proof layer and the second explosion-proof layer are both made of high-density polyethylene;
the first heat-sealing layer and the second heat-sealing layer both adopt metallocene polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323856.7U CN211467736U (en) | 2019-08-15 | 2019-08-15 | Liquid packaging film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921323856.7U CN211467736U (en) | 2019-08-15 | 2019-08-15 | Liquid packaging film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211467736U true CN211467736U (en) | 2020-09-11 |
Family
ID=72368708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921323856.7U Expired - Fee Related CN211467736U (en) | 2019-08-15 | 2019-08-15 | Liquid packaging film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211467736U (en) |
-
2019
- 2019-08-15 CN CN201921323856.7U patent/CN211467736U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230116 Address after: Sandaogangzi Village, Sandaogangzi Town, Xinmin City, Shenyang City, Liaoning Province 110300 Patentee after: Shenyang Juyou Plastic Co.,Ltd. Address before: 110300 San Dao Gang Zi Zhen Hong Hua Gang Zi Cun, Xinmin City, Shenyang City, Liaoning Province Patentee before: Shenyang hainengda packaging material factory |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |