CN208263623U - A kind of high barrier hyaline membrane and yin-yang bag - Google Patents
A kind of high barrier hyaline membrane and yin-yang bag Download PDFInfo
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- CN208263623U CN208263623U CN201820520037.0U CN201820520037U CN208263623U CN 208263623 U CN208263623 U CN 208263623U CN 201820520037 U CN201820520037 U CN 201820520037U CN 208263623 U CN208263623 U CN 208263623U
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Abstract
The utility model relates to a kind of high barrier hyaline membrane and yin-yang bags.The high barrier hyaline membrane includes extexine and hot sealing layer, and high-obstruction is provided between extexine and hot sealing layer, and high-obstruction includes at least one layer of polyvinylidene chloride film layer and at least one layer of nylon film layer compound layer by layer on thickness direction.High barrier hyaline membrane provided by the utility model, it is compound as high-obstruction using polyvinylidene chloride (PVDC) film layer and nylon film layer, PVDC film layer has good moisture resistance and materials with high barrier property, nylon film layer has the characteristics that oxygen permeability is low, the two combination can play excellent barrier property and humidity resistance, to keep the barrier property of transparent film layer suitable with the barrier property of the nontransparent film in the yin-yang bag back side, the whole barrier property of yin-yang bag is improved, the application range of yin-yang bag is widened.
Description
Technical field
The utility model belongs to packaging film field, and in particular to a kind of high barrier hyaline membrane and yin-yang bag.
Background technique
Yin-yang bag is also known as visual bag, its main feature is that front is hyaline membrane, the back side is nontransparent containing aluminium foil or aluminizer
Film, aluminium foil or aluminizer can play the role of moisture-proof, antifouling well, and air performance is strong and anti-oxidation for barrier, waterproof, anti-
Tide is had excellent performance.The package design of yin-yang bag makes people both see internal packing material, while also having highlighted the height of packaging itself
Shelves quality.
Notification number is that the patent of CN203318904U discloses a kind of high barrier yin-yang film bag, including front transparent film and
The nontransparent film in the back side, front transparent film include the extexine (biaxially oriented polypropylene film) set gradually from outside to inside, PET film and
Hot sealing layer (polyethylene film), the nontransparent film in the back side include the printing layer (biaxially oriented polypropylene film) set gradually from outside to inside,
Aluminum plated PET film and hot sealing layer (polyethylene film).
The design defect of existing yin-yang bag is that the barrier property and humidity resistance of back side film are good, the barrier of front transparent film
Property and humidity resistance are poor, and the barrier property of front transparent film side is poor after bag making, affect the barrier property of yin-yang bag entirety,
Strongly limit the application range of yin-yang bag.
Utility model content
The purpose of this utility model is to provide a kind of high barrier hyaline membranes, to solve the front transparent film of yin-yang bag
Barrier property difference problem.The utility model additionally provides a kind of yin-yang bag based on above-mentioned high barrier hyaline membrane.
To achieve the above object, technical solution used by the high barrier hyaline membrane of the utility model is:
A kind of high barrier hyaline membrane, including extexine and hot sealing layer, are provided with high-barrier between extexine and hot sealing layer
Layer, high-obstruction include compound layer by layer at least one layer of polyvinylidene chloride film layer on thickness direction and at least one layer of nylon membrane
Layer.
High barrier hyaline membrane provided by the utility model, it is compound with polyvinylidene chloride (PVDC) film layer and nylon film layer
As high-obstruction, PVDC film layer has good moisture resistance and materials with high barrier property, the spy that nylon film layer has oxygen permeability low
Point, the two combination can play excellent barrier property and humidity resistance, so that the barrier property of transparent film layer and yin-yang bag be made to carry on the back
The barrier property of the nontransparent film in face is suitable, improves the whole barrier property of yin-yang bag, widens the application range of yin-yang bag.
Under general scenario, single layer polyvinylidene chloride film layer and single layer nylon film layer is compound is able to satisfy conventional barrier property
Energy demand, the tensioning and shrinkage due to the extexines such as PVDC film layer and PP, PE are close, and PVDC film layer is answered with extexine
It closes, helps to improve the planarization and composite quality of film layer, in this case, it is preferable that high-obstruction includes that single layer is poly-
Vinylidene chloride film layer and single layer nylon film layer, polyvinylidene chloride film layer, nylon film layer are successively set on direction from outside to inside
It sets.Further to balance barrier property, composite quality layer by layer is improved, it is further preferred that the thickness of polyvinylidene chloride film layer
Be 15-25 μm, nylon film layer with a thickness of 10-20 μm.
Conventional printable fabric can be used in extexine, considers from cost and printing effect, it is preferred that the extexine is two-way
Oriented polypropylene film layer.It is further preferred that the biaxially oriented polypropylene film layer with a thickness of 10-20 μm.
Hot sealing layer primarily serve the Heat Sealing in bag making effect, existing heat sealing film material can be used, from
This and heat-sealing effect are set out, it is preferred that the hot sealing layer is casting polypropylene film layer.It is further preferred that the curtain coating poly- third
Alkene film layer with a thickness of 40-60 μm.
It is described it is compound layer by layer be that adjacent film layers are bonded by adhesive layer.Adhesive used in adhesive layer can be used existing
Solventless adhesive, such as polyurethane adhesive.Pass through glue between extexine and high-obstruction, between high-obstruction and hot sealing layer
Adhesive layer is mutually bonded.The thickness of gluing oxidant layer is different according to the type of adhesive, it is however generally that, gluing oxidant layer with a thickness of 1-
3μm。
Technical solution used by the yin-yang bag of the utility model is:
A kind of yin-yang bag, including the nontransparent film of front transparent film and the back side, front transparent film include extexine and hot sealing layer,
High-obstruction is provided between extexine and hot sealing layer, high-obstruction includes that compound layer by layer at least one layer on thickness direction is poly-
Vinylidene chloride film layer and at least one layer of nylon film layer.
The barrier property of the yin-yang bag of the utility model, front transparent film is suitable with the barrier property of the nontransparent film in the back side, can be with
Barrier in all directions, humidity resistance are provided for pack content, so as to expand the scope of application of pack content, improves packet
Content-filled Storing quality.
Preferably, high-obstruction includes single layer polyvinylidene chloride film layer and single layer nylon film layer, polyvinylidene chloride film
Layer, nylon film layer are set gradually on direction from outside to inside.It is further preferred that polyvinylidene chloride film layer with a thickness of 15-
25 μm, nylon film layer with a thickness of 10-20 μm.
Extexine, hot sealing layer preferred embodiment and above-mentioned high barrier hyaline membrane in extexine, hot sealing layer preferred embodiment
Identical, this will not be detailed here.
The existing back side film product containing aluminium foil or aluminizer may be selected in the nontransparent film in the back side, non-to further increase the back side
The barrier property and humidity resistance of hyaline membrane, it is preferred that the nontransparent film in the back side includes the printing set gradually from outside to inside
Layer, aluminium foil layer, nylon layer, hot sealing layer.It is further preferred that the aluminium foil layer with a thickness of 5-10 μm, the thickness of the nylon layer
Degree is 10-20 μm.
Existing printing film material, such as PP, PE may be selected in printing layer, from comprehensive performance and cost consideration, it is preferred that institute
Stating printing layer is polyethylene terephthalate (PET) film layer.It is further preferred that the PET film layer with a thickness of 10-20
μm.The selection of the hot sealing layer of the nontransparent film in the back side is identical as the selection of hot sealing layer of above-mentioned front transparent film, and this will not be detailed here.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the yin-yang bag front transparent film of the utility model；
Fig. 2 is the structural schematic diagram of the nontransparent film in the yin-yang bag back side of the utility model；
Fig. 3 is the structural schematic diagram of the yin-yang bag of the utility model.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment of the yin-yang bag of the utility model, as shown in Figure 1 to Figure 3, including front transparent film 100 and the back side
Nontransparent film 101, front transparent film 100 include the extexine 1 set gradually from outside to inside, polyvinylidene chloride (PVDC) film layer
2, nylon film layer 3, hot sealing layer 4, extexine 1 is bidirectional stretching polypropylene film, with a thickness of 18 μm；PVDC film layer with a thickness of 20
μm；Nylon film layer with a thickness of 15 μm；Hot sealing layer is cast polypropylene film (CPP), with a thickness of 50 μm；Extexine 1 and PVDC
It is mutually bonded by adhesive layer 5 between film layer 2, PVDC film layer 2 and nylon film layer 3, nylon film layer 3 and hot sealing layer 4, adhesive layer
With a thickness of 2 μm.
The nontransparent film 101 in the back side includes printing layer 6, the aluminium foil layer 7, nylon film layer 3, hot sealing layer set gradually from outside to inside
4, printing layer 6 is polyethylene terephthalate (PET) film, with a thickness of 12 μm；Aluminium foil layer with a thickness of 7 μm；Nylon membrane
Layer with a thickness of 15 μm；Hot sealing layer is cast polypropylene film, with a thickness of 50 μm；Printing layer 6 and aluminium foil layer 7, aluminium foil layer 7 and Buddhist nun
Be mutually bonded by adhesive layer 5 between imperial film layer 3, nylon film layer 3 and hot sealing layer 4, adhesive layer with a thickness of 2 μm.
The yin-yang bag of the utility model can prepare respectively hyaline membrane according to the compound method of existing gluing layer by layer in production
And back side film, then be respectively and rolled up with hyaline membrane and back side film, bag making is then unreeled on Bag Making Machine, is finally made the yin of three bandings
Positive bag finished product.
The performance detection index of the yin-yang bag of the present embodiment is as shown in table 1.
The performance detection index of the front transparent film of 1 the utility model of table
| Serial number | Detection project | Performance indicator |
| 1 | Steam penetrating capacity, g/m2·24h | 2.78 |
| 2 | Oxygen transit dose, cm3/m2·d·0.1MPa | 9.91 |
| 3 | High temperature resistant/DEG C | 121 |
| 4 | Longitudinal tensile strength, MPa | 69.51 |
| 5 | Transverse tensile strength, MPa | 82.28 |
| 6 | Longitudinal elongation at break rate, % | 105.10 |
| 7 | Transverse breakage elongation, % | 77.5 |
| 8 | Hot wind intensity, N | 52.90 |
By the test result of table 1, it is found that the yin-yang bag of the utility model has a barrier, air performance is strong, anti-oxidation, waterproof,
It is moisture-proof, mechanical performance is strong, feature resistant to high temperature, product is non-toxic and tasteless, meets food, Key works Drug packing sanitary standard.
In the other embodiments of the yin-yang bag of the utility model, in the structure of hyaline membrane, PVDC layers, nylon layer is by outer
Composite sequence on to interior direction can be interchanged；Under the requirement of higher barrier property, PVDC layer, the quantity of nylon layer can be two
Layer or more；Extexine can may be other heat-sealing film layers such as PP for other printing film layers such as PET, hot sealing layer.In back side film,
Aluminium foil can be replaced with aluminium plating membrane, and existing yin-yang bag back side film also can be used directly.In hyaline membrane, back side film,
The thickness of each film layer can be adaptively adjusted according to the actual situation, can get and the comparable effect of embodiment.
The specific embodiment of the hyaline membrane of the utility model, it is identical as the structure of front transparent film in the above yin-yang bag,
This is no longer described in detail.
Claims (10)
1. a kind of high barrier hyaline membrane, including extexine and hot sealing layer, which is characterized in that be arranged between extexine and hot sealing layer
There is high-obstruction, high-obstruction includes compound layer by layer at least one layer of polyvinylidene chloride film layer and at least one on thickness direction
Layer nylon film layer.
2. high barrier hyaline membrane as described in claim 1, which is characterized in that high-obstruction includes single layer polyvinylidene chloride
Film layer and single layer nylon film layer, polyvinylidene chloride film layer, nylon film layer are set gradually on direction from outside to inside.
3. high barrier hyaline membrane as claimed in claim 2, which is characterized in that polyvinylidene chloride film layer with a thickness of 15-
25 μm, nylon film layer with a thickness of 10-20 μm.
4. high barrier hyaline membrane as claimed in any one of claims 1-3, which is characterized in that the extexine is two-way drawing
Stretched polypropylene film layer, the hot sealing layer are casting polypropylene film layer.
5. high barrier hyaline membrane as claimed in any one of claims 1-3, which is characterized in that it is described it is compound layer by layer be to pass through
Adhesive layer is bonded adjacent film layers.
6. a kind of yin-yang bag, including the nontransparent film of front transparent film and the back side, front transparent film includes extexine and hot sealing layer,
It is characterized in that, high-obstruction is provided between extexine and hot sealing layer, and high-obstruction includes compound layer by layer on thickness direction
At least one layer of polyvinylidene chloride film layer and at least one layer of nylon film layer.
7. yin-yang bag as claimed in claim 6, which is characterized in that high-obstruction includes single layer polyvinylidene chloride film layer and list
Layer nylon film layer, polyvinylidene chloride film layer, nylon film layer are set gradually on direction from outside to inside.
8. yin-yang bag as claimed in claim 7, which is characterized in that polyvinylidene chloride film layer with a thickness of 15-25 μm, nylon
Film layer with a thickness of 10-20 μm.
9. the yin-yang bag as described in any one of claim 6-8, which is characterized in that the nontransparent film in the back side include by outside to
Printing layer, aluminium foil layer, nylon layer, the hot sealing layer inside set gradually.
10. yin-yang bag as claimed in claim 9, which is characterized in that the aluminium foil layer with a thickness of 5-10 μm, the nylon layer
With a thickness of 10-20 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520037.0U CN208263623U (en) | 2018-04-12 | 2018-04-12 | A kind of high barrier hyaline membrane and yin-yang bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820520037.0U CN208263623U (en) | 2018-04-12 | 2018-04-12 | A kind of high barrier hyaline membrane and yin-yang bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208263623U true CN208263623U (en) | 2018-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820520037.0U Expired - Fee Related CN208263623U (en) | 2018-04-12 | 2018-04-12 | A kind of high barrier hyaline membrane and yin-yang bag |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564698A (en) * | 2020-06-05 | 2020-08-21 | 湖北三江航天江北机械工程有限公司 | Forming method of high-barrier moisture-proof film for special-shaped ceramic radome |
-
2018
- 2018-04-12 CN CN201820520037.0U patent/CN208263623U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111564698A (en) * | 2020-06-05 | 2020-08-21 | 湖北三江航天江北机械工程有限公司 | Forming method of high-barrier moisture-proof film for special-shaped ceramic radome |
| CN111564698B (en) * | 2020-06-05 | 2021-02-12 | 湖北三江航天江北机械工程有限公司 | Forming method of high-barrier moisture-proof film for special-shaped ceramic radome |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181221 |