CN203246150U - Plastic seal strip suitable for paper-based compound aseptic packaging - Google Patents
Plastic seal strip suitable for paper-based compound aseptic packaging Download PDFInfo
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- CN203246150U CN203246150U CN2013201270225U CN201320127022U CN203246150U CN 203246150 U CN203246150 U CN 203246150U CN 2013201270225 U CN2013201270225 U CN 2013201270225U CN 201320127022 U CN201320127022 U CN 201320127022U CN 203246150 U CN203246150 U CN 203246150U
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- aseptic packaging
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Abstract
The utility model relates to a plastic seal strip suitable for paper-based compound aseptic packaging. The plastic seal strip is formed by compounding fiver layers of structures. The five layers of the structures comprise a middle layer (1) and compound layers (2) on two sides, wherein each compound layer (2) comprises an inner layer (3) and an outer layer (4); the middle layer (1) is a BOPET (bioriented stretching polyester film) ; the compound layers (2) are made of low-density polyethylene; the inner layers (3) are made of the low-density polyethylene which is directly compounded with the polyester film middle layer (1); and the outer layers (4) are made of metallocene polyethylene contacted with a packaging liquid. The plastic seal strip suitable for the paper-based compound aseptic packaging has the advantages as follows: a structure for compounding the low-density polyethylene layers and the metallocene polyethylene layers outside the BOPET is adopted, the requirement for the isolation performance is met, the surface friction coefficient and the cutting performance of the seal strip are increased and improved, the seal strip is more suitable for rapid forming during the paper-based compound aseptic packaging, and the production cost of the seal strip is reduced.
Description
Technical field
The utility model belongs to liquid food packaging box plastic sealing strip technical field, particularly relates to a kind of plastic sealing strip that is applicable to the compound aseptic packaging of paper substrate.
Background technology
Food package box is a kind of packing be used to holding the food such as milk, fruit juice, wherein content and packing end contact, and on the one hand content produces packing by end face and corrodes, and reduces packaging intensity; Airborne oxygen on the other hand, moisture, microorganism also may pass through end face, and the content quality is exerted an influence.
Sealing strip take Fypro as the intermediate layer in the prior art easily stretches, and skin-friction coefficient is low, and cuttability is poor, causes the high-rate forming that is not suitable for the compound aseptic packaging product of paper substrate.And use smear layer to intercept between intermediate layer and the outside heat-sealable material, production cost is high.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of plastic sealing strip that is applicable to the compound aseptic packaging of paper substrate, can obviously improve the compound aseptic packaging forming speed of paper substrate, reduces the sealing strip production cost.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of plastic sealing strip that is applicable to the compound aseptic packaging of paper substrate is provided, is formed by 5 layers of structure composite, described 5 layers of structure comprise intermediate layer and both sides composite bed.
Described composite bed is comprised of internal layer and skin.
Described intermediate layer is the biaxial stretching polyester film, and composite bed is low density polyethylene (LDPE).
Described internal layer is directly compound with described polyester film intermediate layer low density polyethylene (LDPE), and skin is the metallocene PE that contacts with packing liquid.
The utility model has been abandoned the smear layer between biaxial stretching polyester film and the low density polyethylene layer, adopt the structure of the outer compound low density polyethylene layer of biaxial stretching polyester film and metallocene PE layer, when satisfying barrier, improve sealing strip skin-friction coefficient and cuttability, be more suitable for the Quick-forming of the compound aseptic packaging of paper substrate, reduce the sealing strip production cost.
Beneficial effect
The utility model has the advantage of, structure with the outer compound low density polyethylene layer of biaxial stretching polyester film and metallocene PE layer, when satisfying barrier, improve sealing strip skin-friction coefficient and cuttability, be more suitable for the Quick-forming of the compound aseptic packaging of paper substrate, reduce the sealing strip production cost.
Description of drawings
Fig. 1 is the utility model structural scheme of mechanism.
Fig. 2 is the state diagram that the utility model is attached to carton inside.
Fig. 3 is the cross section schematic diagram that A is ordered among Fig. 2.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only are used for explanation the utility model and are not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figures 1 to 3, the utility model 6 is attached to food package box 5 interface sealed package boxes 5, and this plastic sealing strip that is applicable to the compound aseptic packaging of paper substrate is formed by 5 layers of structure composite, and described 5 layers of structure comprise intermediate layer 1 and both sides composite bed 2.
Described composite bed 2 is comprised of internal layer 3 and outer 4.
Described intermediate layer 1 is the biaxial stretching polyester film, and composite bed 2 is low density polyethylene (LDPE).
Described internal layer 3 is directly compound with described polyester film intermediate layer 1 low density polyethylene (LDPE)s, and outer 4 is the metallocene PEs that contact with packing liquid.
The utility model has been abandoned the smear layer between biaxial stretching polyester film 1 and the low density polyethylene layer 2, the structure of employing biaxial stretching polyester film 1 outer compound low density polyethylene layer 2 and metallocene PE layer 3 reaches the obstruct content and contacts with oxygen, water or the microorganism in the external world, improve sealing strip skin-friction coefficient and cuttability, reduce the sealing strip production cost.
Claims (4)
1. a plastic sealing strip that is applicable to the compound aseptic packaging of paper substrate is formed by 5 layers of structure composite, it is characterized in that, described 5 layers of structure comprise intermediate layer (1) and both sides composite bed (2).
2. a kind of plastic sealing strip that is applicable to the compound aseptic packaging of paper substrate according to claim 1 is characterized in that, described composite bed (2) is comprised of internal layer (3) and outer (4).
3. a kind of plastic sealing strip that is applicable to the compound aseptic packaging of paper substrate according to claim 1 is characterized in that, described intermediate layer (1) is the biaxial stretching polyester film, and composite bed (2) is low density polyethylene (LDPE).
4. a kind of plastic sealing strip that is applicable to the compound aseptic packaging of paper substrate according to claim 2, it is characterized in that, internal layer (3) is directly compound with described polyester film intermediate layer (1) low density polyethylene (LDPE), and outer (4) are the metallocene PEs that contacts with packing liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201270225U CN203246150U (en) | 2013-03-20 | 2013-03-20 | Plastic seal strip suitable for paper-based compound aseptic packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201270225U CN203246150U (en) | 2013-03-20 | 2013-03-20 | Plastic seal strip suitable for paper-based compound aseptic packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203246150U true CN203246150U (en) | 2013-10-23 |
Family
ID=49372609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201270225U Expired - Lifetime CN203246150U (en) | 2013-03-20 | 2013-03-20 | Plastic seal strip suitable for paper-based compound aseptic packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203246150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605881A (en) * | 2018-11-29 | 2019-04-12 | 烟台丰福莱薄膜科技有限公司 | A kind of sealed membrane and preparation method thereof for UHT paper plastic-aluminum liquid packaging material |
-
2013
- 2013-03-20 CN CN2013201270225U patent/CN203246150U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605881A (en) * | 2018-11-29 | 2019-04-12 | 烟台丰福莱薄膜科技有限公司 | A kind of sealed membrane and preparation method thereof for UHT paper plastic-aluminum liquid packaging material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131023 |
|
| CX01 | Expiry of patent term |