CN209141616U - A kind of fresh-keeping fit film of multi-layer co-extruded high-barrier - Google Patents
A kind of fresh-keeping fit film of multi-layer co-extruded high-barrier Download PDFInfo
- Publication number
- CN209141616U CN209141616U CN201821555396.6U CN201821555396U CN209141616U CN 209141616 U CN209141616 U CN 209141616U CN 201821555396 U CN201821555396 U CN 201821555396U CN 209141616 U CN209141616 U CN 209141616U
- Authority
- CN
- China
- Prior art keywords
- film layer
- layer
- barrier
- fresh
- film
- 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.)
- Active
Links
- 230000004888 barrier function Effects 0.000 claims abstract description 32
- -1 polyethylene Polymers 0.000 claims abstract description 31
- 239000004698 Polyethylene Substances 0.000 claims abstract description 30
- 229920000573 polyethylene Polymers 0.000 claims abstract description 30
- 239000012528 membrane Substances 0.000 claims abstract description 29
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 7
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 9
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 8
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 6
- 150000001336 alkenes Chemical class 0.000 claims 1
- 235000013305 food Nutrition 0.000 abstract description 22
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 108
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 239000003755 preservative agent Substances 0.000 description 3
- 230000002335 preservative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003205 fragrance Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920006266 Vinyl film Polymers 0.000 description 1
- 206010000269 abscess Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000009246 food effect Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000021485 packed food Nutrition 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to fresh-keeping fit film fields, it discloses a kind of fresh-keeping fit film of multi-layer co-extruded high-barrier, solve that current food is apt to deteriorate, the short problem of shelf lives, including four tunic layers, and four layers of film layer co-extrusion form composite membranes；Four layers of film layer include barrier film layer, antifogging film layer and two layers of polyethylene film layer；The barrier film layer is located between two layers of polyethylene film layer, and the antifogging film layer is located at side of the polyethylene film layer far from the barrier film layer.According to above technical scheme, four layers of film layer co-extrusion form composite membrane, and composite membrane is used for fresh-keeping food, meanwhile by the way that barrier film layer, barrier property of the enhancing composite membrane to gas is arranged in the inside of composite membrane, the shelf lives of food are lengthened, there is biggish value.
Description
Technical field
The utility model relates to fresh-keeping fit technical field of membrane, more specifically, it relates to a kind of multi-layer co-extruded high-barrier
Fresh-keeping fit film.
Background technique
Preservative film is a kind of plastic packing product, is mainly used for the occasions such as refrigerator food saves, fresh and prepared food is packed,
Family life, supermarket sales field, hotel and industrial food packaging applications are all widely used.
The Chinese patent of existing authorization Publication No. CN207227322U discloses a kind of three layers of compound food fresh-keeping film, institute
The preservative film stated includes outer membrane, interlayer film and inner layer film；Outer membrane is polyethylene terephthalate layer；Interlayer film
For ethylene-vinyl acetate copolymer layer, inner layer film is low density polyethylene layer.
For above-mentioned food fresh keeping membrane in actual application process, in-between tunic is ethylene-vinyl acetate copolymer layer,
Its barriering effect is bad, so that the oxygen in space is easily accessible inside preservative film, oxygen occurs with the food insured
Change chemical reaction, so that food is apt to deteriorate, shelf lives are short.
Utility model content
Apt to deteriorate for above-mentioned food, the short technical problem of shelf lives, it is more that the utility model is intended to provide one kind
The fresh-keeping fit film of layer co-extrusion high-isolating enhances barrier of the composite membrane to gas by the way that barrier film layer is arranged in the inside of composite membrane
Property, prevent food from contacting the rotten chemical reaction of generation with oxygen, to achieve the purpose that the shelf lives for lengthening food.
To achieve the above object, the utility model provides following technical solution:
A kind of fresh-keeping fit film of multi-layer co-extruded high-barrier, including four tunic layers, four layers of film layer co-extrusion form composite membrane；
Composite membrane includes barrier film layer, antifogging film layer and two layers of polyethylene film layer；
The barrier film layer is located between two layers of polyethylene film layer, and it is remote that the antifogging film layer is located at polyethylene film layer
Side from the barrier film layer.
Through the above technical solutions, four layers of film layer co-extrusion form composite membrane, composite membrane is used for fresh-keeping food, together
When, by the way that barrier film layer is arranged in the inside of composite membrane, enhances composite membrane to the barrier property of gas, prevent food from contacting with oxygen
Rotten chemical reaction occurs, to achieve the purpose that the shelf lives for lengthening food.
The utility model is further arranged to: the barrier film layer is ethylene vinyl alcohol copolymer film layer.
Through the above technical solutions, ethylene vinyl alcohol copolymer film layer is the material that a kind of pair of gas has high-barrier to act on
Material, it is used in packaging structure, can improve the reserving degree of fragrance and quality by preventing the infiltration of oxygen.
The utility model is further arranged to: the barrier film layer, antifogging film layer and polyethylene film layer thickness are homogeneous
Deng.
Through the above technical solutions, setting barrier film layer, antifogging film layer and polyethylene film layer thickness be equal so that
Obstruct the whole flexibility of film layer, antifogging film layer and polyethylene film layer more preferably.
The utility model is further arranged to: the surface of the barrier film layer is equipped with binding resin layer, the binding resin
Layer is epoxyn.
Through the above technical solutions, binding resin layer is provided with, so that connection is steady between barrier film layer and polyethylene film layer
Fixed, intensity increases.
The utility model is further arranged to: the antifogging film layer is ethylene-vinyl acetate copolymer film layer.
Through the above technical solutions, reinforcing composite membrane and to fresh-keeping food by using ethylene-vinyl acetate copolymer material
The antifogging property of product contact one side.
The utility model is further arranged to: the antifogging film layer is in closedcells structure.
Through the above technical solutions, the surface of antifogging film layer is in closedcells shape, so that antifogging film layer has
Heat-insulated and heat preservation function, meanwhile, water resistance is good.
The utility model is further arranged to: being provided on the surface that the antifogging film layer is connected with polyethylene film layer
The T-shaped concave-convex articulamentum in section, the adjacent concave-convex articulamentum clamping.
Through the above technical solutions, being connected between setting antifogging film layer and polyethylene film layer using concave-convex articulamentum clamping
It connects, so that connecting more stable, intensity increase between antifogging film layer and polyethylene film layer.
The utility model is further arranged to: the surface of the bumps articulamentum is equipped with protrusion.
Through the above technical solutions, the surface of concave-convex articulamentum be equipped with protrusion, increase adjacent concave-convex articulamentum it
Between frictional force, thus, further such that connected between antifogging film layer and polyethylene film layer it is more stable, intensity increase.
In conclusion the utility model has the following beneficial effects:
(1) by being arranged barrier film layer in the inside of composite membrane, enhancing composite membrane to the barrier property of gas, prevent food with
Rotten chemical reaction occurs for oxygen contact, to achieve the purpose that the shelf lives for lengthening food；
(2) surface of antifogging film layer is in closedcells shape, so that antifogging film layer has heat-insulated and heat preservation function
With；
(3) by being connected between setting antifogging film layer and polyethylene film layer using concave-convex articulamentum clamping, so that antifog
More stable, intensity increase is connected between drop film layer and polyethylene film layer.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of natural complex fresh-keeping film；
Fig. 2 is enlarged view at A in Fig. 1；
Fig. 3 is enlarged view at B in Fig. 1.
Appended drawing reference: 1, composite membrane；11, film layer is obstructed；12, antifogging film layer；13, polyethylene film layer 2, binding resin
Layer；3, concave-convex articulamentum；31, raised.
Specific embodiment
Below with reference to examples and drawings, the utility model is described in further detail, but the implementation of the utility model
Mode is not limited only to this.
A kind of fresh-keeping fit film of multi-layer co-extruded high-barrier, as shown in Figure 1, it includes four tunic layers, four tunic layer co-extrusion
Form composite membrane 1, which is mainly used for carrying out food packaging and fresh-keeping, improves the resting period of food.
As shown in Figure 1, composite membrane 1 includes barrier film layer 11, antifogging film layer 12 and two layers of polyethylene film layer 13, barrier
Film layer 11 is connected between two layers of polyethylene film layer 13, and antifogging film layer 12 is located at polyethylene film layer 13 far from barrier film layer 11
Side.Wherein, ethylene vinyl alcohol copolymer film layer is made using ethylene-vinyl alcohol copolymer material in barrier film layer 11, due to second
Alkene-ethenol copolymer has the characteristics that a kind of pair of gas has high-barrier effect, it is used in packaging structure, can pass through
The infiltration of oxygen is prevented to improve the reserving degree of fragrance and quality.
In order to enable the connection between barrier film layer 11 and two layers of polyethylene film layer 13 is closer, so that whole composite membrane
1 intensity is higher, is equipped with binding resin layer 2 on the surface of barrier film layer 11.Wherein, binding resin layer 2 uses epoxy resin gluing
Agent, and epoxyn adhesive property is good, it is cheap.
Wherein, ethylene-vinyl acetate copolymer film is made using ethylene-vinyl acetate copolymer material in antifogging film layer 12
Layer, since ethylene-vinyl acetate copolymer material has good antifogging property, and antifogging property generally can be more than 4
A month, so that 1 surface of composite membrane is not easy product mist in application ethylene-vinyl acetate copolymer film layer progress packaged food
Gas influences the aesthetic effect of food.
Meanwhile as shown in figures 1 and 3, the surface texture of antifogging film layer 12 is in closedcells shape, due to being empty in abscess
Core structure, this structure has good heat-insulated and heat preservation function, so that antifogging film layer 12 is with good heat-insulated
With the function of heat preservation, the fresh-keeping quality of food is improved.
As depicted in figs. 1 and 2, in order to enable the connection between antifogging film layer 12 and polyethylene film layer 13 is stronger,
The T-shaped concave-convex articulamentum 3 in section is provided on the surface that antifogging film layer 12 is connected with polyethylene film layer 13, when antifog
When drop film layer 12 and polyethylene film layer 13 are fitted and connected, adjacent concave-convex articulamentum 3 is clamped, to allow antifogging film layer 12 and poly-
Connected between vinyl film 13 it is closer so that 1 intensity of composite membrane increase.Meanwhile protrusion is equipped on the surface of concave-convex articulamentum 3
31, the frictional force between adjacent concave-convex articulamentum 3 is increased, thus, further such that antifogging film layer 12 and polyethylene film
More stable, intensity increase is connected between layer 13.
In addition, setting barrier film layer 11, antifogging film layer 12 and 13 thickness of polyethylene film layer are equal, so that composite membrane
1 whole flexibility is more preferably.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of fresh-keeping fit film of multi-layer co-extruded high-barrier, which is characterized in that including four tunic layers, four layers of film layer co-extrusion shape
At composite membrane (1)；
Composite membrane (1) includes barrier film layer (11), antifogging film layer (12) and two layers of polyethylene film layer (13)；
The barrier film layer (11) is located between two layers of polyethylene film layer (13), and the antifogging film layer (12) is located at poly- second
Side of the alkene film layer (13) far from barrier film layer (11).
2. the fresh-keeping fit film of a kind of multi-layer co-extruded high-barrier according to claim 1, which is characterized in that the barrier film layer
It (11) is ethylene vinyl alcohol copolymer film layer.
3. the fresh-keeping fit film of a kind of multi-layer co-extruded high-barrier according to claim 2, which is characterized in that the barrier film layer
(11), antifogging film layer (12) and polyethylene film layer (13) thickness are equal.
4. the fresh-keeping fit film of a kind of multi-layer co-extruded high-barrier according to claim 2, which is characterized in that the barrier film layer
(11) surface is equipped with binding resin layer (2), and the binding resin layer (2) is epoxyn.
5. the fresh-keeping fit film of a kind of multi-layer co-extruded high-barrier according to claim 1, which is characterized in that the antifogging film
Layer (12) is ethylene-vinyl acetate copolymer film layer.
6. the fresh-keeping fit film of a kind of multi-layer co-extruded high-barrier according to claim 5, which is characterized in that the antifogging film
Layer (12) is in closedcells structure.
7. the fresh-keeping fit film of a kind of multi-layer co-extruded high-barrier according to claim 1, which is characterized in that the antifogging film
It is provided with the T-shaped concave-convex articulamentum (3) in section on the surface that layer (12) is connected with polyethylene film layer (13), adjacent is described
Concave-convex articulamentum (3) clamping.
8. the fresh-keeping fit film of a kind of multi-layer co-extruded high-barrier according to claim 7, which is characterized in that the concave-convex connection
The surface of layer (3) is equipped with raised (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555396.6U CN209141616U (en) | 2018-09-21 | 2018-09-21 | A kind of fresh-keeping fit film of multi-layer co-extruded high-barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821555396.6U CN209141616U (en) | 2018-09-21 | 2018-09-21 | A kind of fresh-keeping fit film of multi-layer co-extruded high-barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209141616U true CN209141616U (en) | 2019-07-23 |
Family
ID=67267836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821555396.6U Active CN209141616U (en) | 2018-09-21 | 2018-09-21 | A kind of fresh-keeping fit film of multi-layer co-extruded high-barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209141616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937957A (en) * | 2020-07-31 | 2020-11-17 | 中华全国供销合作总社济南果品研究院 | Apple cold-storage moisturizing transport preservative film and preparation method thereof |
| CN111937958A (en) * | 2020-07-31 | 2020-11-17 | 中华全国供销合作总社济南果品研究院 | Intelligent antifogging moisturizing high-barrier storage and transportation preservative film, preparation method and application |
-
2018
- 2018-09-21 CN CN201821555396.6U patent/CN209141616U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111937957A (en) * | 2020-07-31 | 2020-11-17 | 中华全国供销合作总社济南果品研究院 | Apple cold-storage moisturizing transport preservative film and preparation method thereof |
| CN111937958A (en) * | 2020-07-31 | 2020-11-17 | 中华全国供销合作总社济南果品研究院 | Intelligent antifogging moisturizing high-barrier storage and transportation preservative film, preparation method and application |
| CN111937958B (en) * | 2020-07-31 | 2023-08-11 | 中华全国供销合作总社济南果品研究院 | Intelligent anti-fog moisturizing high-barrier storage and transportation preservative film, preparation method and application |
| CN111937957B (en) * | 2020-07-31 | 2023-09-26 | 中华全国供销合作总社济南果品研究院 | Apple cold-storage moisturizing transportation preservative film and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209141616U (en) | A kind of fresh-keeping fit film of multi-layer co-extruded high-barrier | |
| CN203937991U (en) | A kind of high barrier aluminum-plating composite film | |
| CN203611513U (en) | High-barrier PVC (polyvinyl chloride) composite sheet | |
| CN202054245U (en) | High-barrier multilayer packaging bag for meat products | |
| CN203994966U (en) | A kind of nonwoven fabrics package bag of high load-bearing | |
| CN204999062U (en) | Novel hydrogen -rich water multilayer suction nozzle bag | |
| CN202054294U (en) | High-barrier multi-layer co-extrusion packaging film | |
| CN202608155U (en) | Novel preservative packaging film | |
| CN103043297B (en) | A kind of packaging waterproof and breathable electromagnetic induction aluminium-foil gasket and manufacture craft thereof | |
| CN103465578A (en) | Composite film for packaging vacuum thermal insulation board and preparation method thereof | |
| CN209409531U (en) | A kind of multi-layer co-extruded antifog preservative film | |
| CN202046562U (en) | Composite packaging film with high-resistance aluminized layer | |
| CN202054243U (en) | Multilayer co-extrusion packaging bag | |
| CN208516095U (en) | A functional packaging box suitable for long-term preservation of fruits and vegetables | |
| CN202242172U (en) | high-barrier composite packaging material structure | |
| CN208164457U (en) | A kind of high ventilative packing film | |
| CN202242191U (en) | Package material structure | |
| CN205125817U (en) | Paper cup | |
| CN2913229Y (en) | High-obstruct seepage proof plastic-aluminum composite membrane for liquid state dairy product packing | |
| CN215751272U (en) | High-barrier packaging film capable of being repeatedly sealed | |
| CN109605891A (en) | A kind of food packaging antifog film | |
| CN204659084U (en) | A kind of aluminium foil bag of novel high-barrier digestion resistant | |
| CN204640991U (en) | A kind of transparency high separation hot pickled mustard tube packaging material | |
| CN204160828U (en) | High-brightness cosmetic composite sheet | |
| CN204936392U (en) | A kind of printing spraying laminated film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |