CN206287610U - High-flatness pharmaceutical pack composite membrane - Google Patents
High-flatness pharmaceutical pack composite membrane Download PDFInfo
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- CN206287610U CN206287610U CN201621121440.3U CN201621121440U CN206287610U CN 206287610 U CN206287610 U CN 206287610U CN 201621121440 U CN201621121440 U CN 201621121440U CN 206287610 U CN206287610 U CN 206287610U
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- composite membrane
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- flatness
- pharmaceutical pack
- adhesive
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Abstract
This case is related to high-flatness pharmaceutical pack composite membrane, and matcoveredn, the first adhesive layer, barrier layer, the second adhesive layer and hot sealing layer are set gradually from top to bottom；Wherein, the protective layer is biaxially oriented polyester film；First adhesive layer and the second adhesive layer are adhesive for polyurethane.This case is by the improvement to pharmaceutical pack structure of composite membrane, inside and outside two-layer is using the material that tensile strength, heat-shrinkable are basically identical, overcome the crimp produced by the ectonexine stress difference that material stretching and heat effect are produced in process, the composite membrane flatness for being produced is fabulous, is particularly suitable for wide cut and packs production automatically.
Description
Technical field
The utility model belongs to acceptable packaging material field, more particularly to a kind of high-flatness pharmaceutical pack composite membrane.
Background technology
Tied using PET/VMET/PE (CPP) or PET/Al/PE (CPP) more than present China preferable compound membrane bag of barrier
Structure, the pharmaceutical pack application of multiple row wide cut is more and more, and this just proposes the technical requirements of harshness to the flatness of composite membrane.By
The difference of inside and outside materials at two layers tensile elasticity and heat shrinkability characteristic in sandwich diaphragm, causes to be opened when composite membrane is processed
The influence of power, temperature, the shrinkage stress that inside and outside two-layer is produced is different so that film is presented crimp, due to inner layer material PE
Or the tensile strength of CPP is much lower compared with PET, percent thermal shrinkage is far above outer layer PET material again, and usual composite membrane is inside after processing
Hot sealing layer direction crimps.When particularly the composite membrane degree of balance is not so good, crimp meeting is it is obvious that so as to influence composite membrane just
Machine packaging is often walked, production efficiency reduction, packaging percent defective is raised, and causes the larger wasting of resources.Therefore improve the smooth of composite membrane
Degree can improve the reliability and adaptability of wide cut composite film packaging.
Utility model content
It is not good enough for PET/VMET/PE in the prior art (CPP) or PET/Al/PE (CPP) structure composite film flatness
Problem, this case provides a kind of high-flatness pharmaceutical pack composite membrane, and it overcomes routine by the improvement to structure of composite membrane
The poor problem of sandwich diaphragm flatness, improves the adaptability to wide cut composite film packaging.
To achieve the above object, this case is achieved through the following technical solutions：
A kind of high-flatness pharmaceutical pack composite membrane, it sets gradually matcoveredn, the first adhesive layer, resistance from top to bottom
Interlayer, the second adhesive layer and hot sealing layer；
Wherein, the protective layer is biaxially oriented polyester film；
First adhesive layer and the second adhesive layer are adhesive for polyurethane.
Preferably, described high-flatness pharmaceutical pack composite membrane, wherein, the thickness of the protective layer is 12-15 μm.
Preferably, described high-flatness pharmaceutical pack composite membrane, wherein, first adhesive layer and the second gluing
The thickness of oxidant layer is 2-4 μm.
Preferably, described high-flatness pharmaceutical pack composite membrane, wherein, the barrier layer is metallized film or aluminium
Paper tinsel.
Preferably, described high-flatness pharmaceutical pack composite membrane, wherein, the thickness of the metallized film is 12-18 μ
m。
Preferably, described high-flatness pharmaceutical pack composite membrane, wherein, the thickness of the aluminium foil is 6.5-12 μm.
Preferably, described high-flatness pharmaceutical pack composite membrane, wherein, the thickness of the hot sealing layer is 12-38 μm.
Preferably, described high-flatness pharmaceutical pack composite membrane, wherein, the heat seal strength of the hot sealing layer is 5-
10N/15mm。
The beneficial effects of the utility model are：This case is by the improvement to pharmaceutical pack structure of composite membrane, and inside and outside two-layer is equal
Using the material that tensile strength, heat-shrinkable are basically identical, overcome in process because material stretching and heat effect are produced
The crimp that ectonexine stress difference is produced, the composite membrane flatness for being produced is fabulous, is particularly suitable for wide cut and packs production automatically.
Brief description of the drawings
Fig. 1 is the structural representation of high-flatness pharmaceutical pack composite membrane.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
The high-flatness pharmaceutical pack composite membrane of an embodiment is listed in this case, its set gradually from top to bottom matcoveredn 1,
First adhesive layer 2, barrier layer 3, the second adhesive layer 4 and hot sealing layer 5；
Wherein, protective layer 1 is biaxially oriented polyester film, and it has excellent tensile strength, indeformable in process；
First adhesive layer 2 and the second adhesive layer 4 are adhesive for polyurethane, and it can be provided, and film interlayer is good to be glued
Knot property.Under such configuration, adhesive for polyurethane is preferred sizing material, although other kinds of adhesive can also provide certain gluing
Knot power, if but selecting the other kinds of adhesive, such as epoxy resin adhesive then to need significantly to change protective layer 1, the first glue
The thickness distribution of adhensive layer 2, barrier layer 3, the second adhesive layer 4 and hot sealing layer 5, even if also, can guarantee that cohesive force is not reduced,
Also the flatness deviation that cannot effectively overcome composite membrane to produce.Therefore adhesive layer selects adhesive for polyurethane, and this feature should
It is defined.
Wherein, the thickness of protective layer 1 is preferably 12-15 μm.The thickness of protective layer 1 should be defined, if its thickness is less than 12 μ
M, then will cause its tensile strength to decline；If its thickness is more than 15 μm, shear stress of the composite membrane after coiled will be caused to increase
Plus.
Wherein, the thickness of the first adhesive layer 2 and the second adhesive layer 4 is preferably 2-4 μm.First adhesive layer 2 and
The thickness of two adhesive layers 4 should be defined, if bondline thickness is less than 2 μm, its adhesive property will be caused to decline；If thickness is more than
4 μm, then will increase glue-line shrinkage stress after hardening, while increasing the risk of excessive glue.
Wherein, barrier layer 3 is preferably metallized film or aluminium foil, the high obstructing performance for providing composite membrane.
Wherein, if selection metallized film, its thickness is preferably 12-18 μm.
Wherein, if selection aluminium foil, its thickness is preferably 6.5-12 μm.
Wherein, the thickness of hot sealing layer 5 is preferably 12-38 μm.The thickness of hot sealing layer 5 should be defined, if its thickness is less than 12 μ
M, then will cause the cohesive force after heat-sealing to decline；If its thickness be more than 38 μm, will increase in hot pressing hot sealing layer 5 in packaging
The probability of portion's strike-through, to prevent the medicine in pollution packaging.
Wherein, the heat seal strength of hot sealing layer 5 is preferably 5-10N/15mm.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and implementation method
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (6)
1. a kind of high-flatness pharmaceutical pack composite membrane, it is characterised in that set gradually matcoveredn, the first gluing from top to bottom
Oxidant layer, barrier layer, the second adhesive layer and hot sealing layer；
Wherein, the protective layer is biaxially oriented polyester film；
First adhesive layer and the second adhesive layer are adhesive for polyurethane；
The thickness of the hot sealing layer is 12-38 μm；
The heat seal strength of the hot sealing layer is 5-10N/15mm.
2. high-flatness pharmaceutical pack composite membrane as claimed in claim 1, it is characterised in that the thickness of the protective layer is
12-15μm。
3. high-flatness pharmaceutical pack composite membrane as claimed in claim 1, it is characterised in that first adhesive layer and
The thickness of two adhesive layers is 2-4 μm.
4. high-flatness pharmaceutical pack composite membrane as claimed in claim 1, it is characterised in that the barrier layer is metallized film
Or aluminium foil.
5. high-flatness pharmaceutical pack composite membrane as claimed in claim 4, it is characterised in that the thickness of the metallized film is
12-18μm。
6. high-flatness pharmaceutical pack composite membrane as claimed in claim 4, it is characterised in that the thickness of the aluminium foil is 6.5-
12μm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121440.3U CN206287610U (en) | 2016-10-14 | 2016-10-14 | High-flatness pharmaceutical pack composite membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621121440.3U CN206287610U (en) | 2016-10-14 | 2016-10-14 | High-flatness pharmaceutical pack composite membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206287610U true CN206287610U (en) | 2017-06-30 |
Family
ID=59095359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621121440.3U Active CN206287610U (en) | 2016-10-14 | 2016-10-14 | High-flatness pharmaceutical pack composite membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206287610U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588098A (en) * | 2019-09-18 | 2019-12-20 | 苏州海顺包装材料有限公司 | Medicinal packaging composite film and preparation method thereof |
-
2016
- 2016-10-14 CN CN201621121440.3U patent/CN206287610U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588098A (en) * | 2019-09-18 | 2019-12-20 | 苏州海顺包装材料有限公司 | Medicinal packaging composite film and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Haishun New Material Co., Ltd Assignor: Shanghai Haishun New Pharmaceutical Packaging Co., Ltd. Contract record no.: X2019980000291 Denomination of utility model: High-flatness composite film for medicinal package Granted publication date: 20170630 License type: Exclusive License Record date: 20191023 |
|
| EE01 | Entry into force of recordation of patent licensing contract |