CN207156619U - A kind of openable cover film of digestion resistant - Google Patents
A kind of openable cover film of digestion resistant Download PDFInfo
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- CN207156619U CN207156619U CN201720950868.7U CN201720950868U CN207156619U CN 207156619 U CN207156619 U CN 207156619U CN 201720950868 U CN201720950868 U CN 201720950868U CN 207156619 U CN207156619 U CN 207156619U
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- digestion resistant
- film
- boiling
- openable cover
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Abstract
It the utility model is related to packaging material field, the openable cover film of specifically a kind of digestion resistant, layer is easily taken off in BON biaxially oriented nylon film outer layer, digestion resistant glue layer, layer of polypropylene foil and the resistance to boiling of internal layer including from top to bottom stacking fitting successively, and described BON biaxially oriented nylon film outer layer and layer of polypropylene foil are bonded together by digestion resistant glue layer；The resistance to boiling of described internal layer easily takes off layer and easily takes off modified polypropylene film for resistance to boiling.The utility model advantage is：The openable cover film of digestion resistant of the present utility model is resistant to 121 DEG C of boilings；Easily take off outward appearance, easily to take off perceptual effect good；Easily taking off intensity is enough to ensure that bottom pour ladle does not occur for digestion process；It is advantageous compared to current SPE class digestion resistant epiphragma products, cost.
Description
Technical field
Packaging material field is the utility model is related to, is a kind of openable cover film of digestion resistant specifically.
Background technology
Spiced and stewed food packing instructions are easily opened when opening, to avoid the loss of content.But again must in its production process
The freshness of content must be ensured by 121 DEG C of autoclaving process.Therefore need one kind can also after thermophilic digestion
Ensure some strength easily takes off packaging material.
The content of the invention
A kind of the defects of the purpose of this utility model is to overcome prior art to exist, there is provided openable cover of digestion resistant
Film, it is set to also ensure some strength after thermophilic digestion.
To achieve the above object, the utility model provides a kind of openable cover film of digestion resistant, and it is included from top to bottom
BON biaxially oriented nylon film (Biaxially oriented polyamide (nylon) film, the abbreviation of fitting are stacked successively
BoPA) layer, described biaxial tension are easily taken off in outer layer, digestion resistant glue layer, polypropylene film (PP) layer and the resistance to boiling of internal layer
Nylon film (BoPA) outer layer and polypropylene film (PP) layer are bonded together by digestion resistant glue layer；Described internal layer
Resistance to boiling easily takes off layer and easily takes off modified polypropylene film for resistance to boiling.
The openable cover film of digestion resistant of the present utility model selects BoPA films conveniently to be printed, carried as outer layer
Rise the aesthetic property of product, and compared with other films, BOPA films have higher intensity than PE, BOPP film, than EVOH,
PVDC films have the advantage of low cost and environmental protection aspect, are food fresh keepings, protect fragrant ideal material, particularly suitable for freezing,
Boiling, packaging is vacuumized, and it is nontoxic, in general cost performance is more outstanding.
Preferably, the thickness of described BON biaxially oriented nylon film (BoPA) outer layer is 12-20 μm.
Described polypropylene film (PP) layer and the resistance to boiling of internal layer easily takes off layer and is monolithically fabricated compound preceding base material film, same easily to take off
Layer one reinstates the production of raw particles co-extrusion, is bonded by co-extrusion mode for two layers, base material film thickness is generally 30-80 μm.
Described polypropylene film (PP) layer uses conventional random copolymerization PP or homopolymerization PP, preferably conventional nothing
Rule copolymerization PP, its transparency is more excellent, 0.88~0.92g/cm of density3, need electricity close to the side of digestion resistant glue layer
Dizzy processing, this layer, which mainly plays a supportive role and strengthened, easily takes off effect, and thickness accounts for the 70-80% of compound preceding base material film thickness.
Sided corona treatment is compound with BoPA progress for convenience.The PP/PE for not carrying out sided corona treatment does not possess compound bar
Part.This layer of raw material is as main body, it is not necessary to easily takes off effect, simultaneously because being same major class raw material with easily taking off layer, is respectively provided with resistance to height
The characteristic of temperature, and directly co-extrusion can bond, benefited for the stability for easily taking off intensity.Compound preceding base material is accounted for due to easily taking off layer
The thickness of film is about 20-30%, so the thickness proportion that the thickness of PP layers accounts for compound preceding base material film is about 70-80%.
Layer is easily taken off in the resistance to boiling of described internal layer, using during with the MODIFIED PP for easily taking off function, realizing product use
Easily take off functional requirement.Optional commercially available prod：PP easily tears material, three well ADMERTM- EP series of products.
Described digestion resistant glue layer, glue is used using digestion resistant type is compound, BoPA outer layers and PP layers are glued
It is connected together, thickness is generally 3-5 μm.
Preferably, the thickness of the openable cover film of described digestion resistant is 50-100 μm.
The openable cover film of described digestion resistant adapts to packaged form：The lid that bag is packed or drawing and forming is packed for
Film, it can be widely applied in the product packaging of 121 DEG C of boiling sterilizings.
The utility model advantage is：
1st, 121 DEG C of boiling 30min are resistant to；
2nd, outward appearance is easily taken off, easily to take off perceptual effect good；
3rd, easily taking off intensity is enough to ensure that bottom pour ladle does not occur for digestion process；
4th, it is advantageous compared to current SPE class digestion resistant epiphragma products, cost.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of the openable cover film of digestion resistant of the present utility model.
Fig. 2 is the heat-sealing curve that digestion resistant easy of the present utility model takes off epiphragma.
Fig. 3 be digestion resistant easy of the present utility model take off epiphragma easily take off design sketch；Experimental condition：With 120 μm of resistance to steamings
Boil counterdie (without easily function is taken off) heat-sealing, time 2s, pressure 200kPa；A, digestion resistant easy of the present utility model takes off epiphragma heat-sealing
Outward appearance afterwards, the outward appearance after B, the counterdie of resistance to boiling (without easily function is taken off) heat-sealing.
Fig. 4 is the cooking test design sketch that digestion resistant easy of the present utility model takes off epiphragma.Wherein, scheme 1 and scheme 2
Simply design object intensity is different, and formula materials are the same.A, before boiling, after B boilings, positive and negative placement is cut to observe overall feelings
Condition.
The reference and part being related in accompanying drawing are as follows：
1- BON biaxially oriented nylon films (BoPA) outer layer 2- digestion resistant glue layers
Layer is easily taken off in the resistance to boiling of 3- polypropylene films (PP) layer 4- internal layers
Embodiment
With reference to embodiment and the utility model is further described referring to the drawings.
Embodiment 1
As shown in figure 1, the openable cover film of described digestion resistant, its structure are：BoPA//glue layer //PP/ easily takes off
Layer.It include from top to bottom stacking successively BON biaxially oriented nylon film (BoPA) outer layer 1 of fitting, digestion resistant glue layer 2,
Layer 4, described BON biaxially oriented nylon film (BoPA) outer layer 1 and poly- third are easily taken off in polypropylene film (PP) layer 3 and the resistance to boiling of internal layer
Alkene film (PP) layer 3 is bonded together by digestion resistant glue layer 2；It is resistance to boiling that layer 4 is easily taken off in the resistance to boiling of described internal layer
Easily take off modified polypropylene film.
The thickness of described BON biaxially oriented nylon film (BoPA) outer layer 1 is 12 μm.
Described polypropylene film (PP) layer 3 and the resistance to boiling of internal layer easily take off layer 4 and are monolithically fabricated compound preceding base material film, base material
Film layer thickness is 70 μm.
Described polypropylene film (PP) layer 3 uses conventional random copolymerization PP, 0.88~0.92g/cm of density3, it is close
The side sided corona treatment of digestion resistant glue layer 2, thickness account for the 75% of not compound preceding base material film thickness, or the μ of thickness 52.5
m。
Layer 4 is easily taken off in the resistance to boiling of described internal layer, using with the MODIFIED PP for easily taking off function.
Described digestion resistant glue layer 2, compound using resistance to boiling level use glue, and BoPA outer layers and PP layers are bonded
Together, thickness is 3~5 μm.
The openable cover film of described digestion resistant adapts to packaged form：The lid that bag is packed or drawing and forming is packed for
Film, it can be widely applied in the product packaging of 121 DEG C of boiling sterilizings.
The performance detection of embodiment 2 is tested
The heat-sealing curve of the openable cover film of digestion resistant made from embodiment 1 is as shown in Fig. 2 from Fig. 2 curves：This
The openable cover film heat-sealing section of the digestion resistant of utility model is big, and intensity stabilization, the front and rear generation of boiling easily takes off Strength Changes
It is small.
The openable cover film of digestion resistant made from embodiment 1 easily takes off design sketch as shown in Fig. 2 as shown in Figure 2：This reality
Good with the openable cover film heat-sealing effect of new digestion resistant, heat cover turns white after pulling open and end face is smooth (tears after heat-sealing
Impression can also get well).
The cooking test design sketch of the openable cover film of digestion resistant made from embodiment 1 is as shown in figure 3, as shown in Figure 3：
The openable cover film of digestion resistant of the present utility model can ensure that bottom pour ladle does not occur after thermophilic digestion.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
Art personnel, on the premise of the utility model principle is not departed from, some improvement and supplement can also be made, these are improved and supplement
Also it should be regarded as the scope of protection of the utility model.
Claims (6)
- A kind of 1. openable cover film of digestion resistant, it is characterised in that the biaxial tension including from top to bottom stacking fitting successively Layer, described biaxial tension Buddhist nun are easily taken off in nylon film outer layer, digestion resistant glue layer, layer of polypropylene foil and the resistance to boiling of internal layer Imperial thin film exterior layer and layer of polypropylene foil are bonded together by digestion resistant glue layer；Layer is easily taken off in the resistance to boiling of described internal layer Modified polypropylene film is easily taken off for resistance to boiling.
- 2. the openable cover film of digestion resistant according to claim 1, it is characterised in that described biaxial tension nylon is thin The thickness of film outer layer is 12-20 μm.
- 3. the openable cover film of digestion resistant according to claim 1, it is characterised in that described layer of polypropylene foil and The resistance to boiling of internal layer easily takes off layer and is monolithically fabricated compound preceding base material film, and base material film thickness is 30-80 μm.
- 4. the openable cover film of digestion resistant according to claim 3, it is characterised in that described layer of polypropylene foil is Close to the atactic copolymerized polypropene film of the side sided corona treatment of digestion resistant glue layer, thickness accounts for compound preceding base material thickness The 70-80% of degree.
- 5. the openable cover film of digestion resistant according to claim 1, it is characterised in that described digestion resistant glue Thickness is 3-5 μm layer by layer.
- 6. the openable cover film of digestion resistant according to claim 1, it is characterised in that described digestion resistant it is easy The thickness for taking off epiphragma is 50-100 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950868.7U CN207156619U (en) | 2017-08-01 | 2017-08-01 | A kind of openable cover film of digestion resistant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720950868.7U CN207156619U (en) | 2017-08-01 | 2017-08-01 | A kind of openable cover film of digestion resistant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207156619U true CN207156619U (en) | 2018-03-30 |
Family
ID=61714755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720950868.7U Active CN207156619U (en) | 2017-08-01 | 2017-08-01 | A kind of openable cover film of digestion resistant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207156619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588120A (en) * | 2019-08-30 | 2019-12-20 | 厦门长塑实业有限公司 | High-barrier nylon composite film resistant to high-temperature cooking and easy to strip and preparation method thereof |
-
2017
- 2017-08-01 CN CN201720950868.7U patent/CN207156619U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588120A (en) * | 2019-08-30 | 2019-12-20 | 厦门长塑实业有限公司 | High-barrier nylon composite film resistant to high-temperature cooking and easy to strip and preparation method thereof |
| CN110588120B (en) * | 2019-08-30 | 2021-07-27 | 厦门长塑实业有限公司 | High-barrier nylon composite film resistant to high-temperature cooking and easy to strip and preparation method thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.2, Tonggang Road, Changjing Town, Jiangyin, Wuxi City, Jiangsu Province Patentee after: Shenghui new materials Co.,Ltd. Address before: No.2, Tonggang Road, Changjing Town, Jiangyin, Wuxi City, Jiangsu Province Patentee before: JIANGYIN SUNRISE PACKAGING MATERIAL Co.,Ltd. Address after: No.2, Tonggang Road, Changjing Town, Jiangyin, Wuxi City, Jiangsu Province Patentee after: Shenghui New Material Co.,Ltd. Address before: No.2, Tonggang Road, Changjing Town, Jiangyin, Wuxi City, Jiangsu Province Patentee before: Shenghui new materials Co.,Ltd. |