CN203945767U - A kind of high-barrier composite film for cold fresh meat packaging - Google Patents
A kind of high-barrier composite film for cold fresh meat packaging Download PDFInfo
- Publication number
- CN203945767U CN203945767U CN201420354484.5U CN201420354484U CN203945767U CN 203945767 U CN203945767 U CN 203945767U CN 201420354484 U CN201420354484 U CN 201420354484U CN 203945767 U CN203945767 U CN 203945767U
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- China
- Prior art keywords
- layer
- biaxial tension
- barrier
- fresh meat
- composite film
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- 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.)
- Expired - Lifetime
Links
- 235000013372 meat Nutrition 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims abstract description 22
- 239000004677 Nylon Substances 0.000 claims abstract description 20
- 229920001778 nylon Polymers 0.000 claims abstract description 20
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 101000576320 Homo sapiens Max-binding protein MNT Proteins 0.000 claims abstract description 5
- 229920006121 Polyxylylene adipamide Polymers 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000007766 curtain coating Methods 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 abstract description 2
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004715 ethylene vinyl alcohol Substances 0.000 abstract description 2
- 239000003205 fragrance Substances 0.000 abstract description 2
- 235000019645 odor Nutrition 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 238000012856 packing Methods 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000009461 vacuum packaging Methods 0.000 description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 235000013622 meat product Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000005033 polyvinylidene chloride Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Packages (AREA)
Abstract
The utility model discloses a kind of high-barrier composite film for cold fresh meat packaging, comprises five-layer structure, is followed successively by from top to bottom: the first nylon layer of biaxial tension, the barrier layer of biaxial tension, the second nylon layer of biaxial tension, tack coat and antibacterial hot sealing layer.The first nylon layer of the utility model biaxial tension, the second nylon layer provide excellent mechanical strength for whole membrane structure, wait and can print where necessary simultaneously; The barrier layer of the utility model biaxial tension has excellent barrier property, EVOH or MXD6 have extremely excellent barrier property, experience shows simultaneously, through the resin material of biaxial tension, its barrier property be 2-3 while not stretching doubly, therefore, the barrier layer of biaxial tension has excellent obstruct to oxygen, fragrance or other penetrating odors; Hot sealing layer of the present utility model makes described high-barrier composite film have good heat sealability.
Description
Technical field
The utility model discloses a kind of high-barrier composite film for cold fresh meat packaging, divides and belongs to packaging for foodstuff manufacturing technology field by International Patent Classification (IPC) (IPC), especially relates to a kind of high-barrier composite film that relates to cold fresh meat packaging.
Background technology
Cold fresh meat, is again cooling meat, acid discharge meat, chilled meat, says accurately and be " cooling acid discharge meat ".Because passed through precooling acid discharge before processing, make meat complete the process of " maturation ", so cold fresh meat seems more moistening, touch up soft flexible, processing is got up easily tasty, and mouthfeel is satiny fresh and tender, cold fresh meat has overcome hot fresh meat, the deficiency that chilled meat exists in quality and defect.In addition, cold fresh meat has experienced maturation comparatively fully, and juice loss is few, and mouthfeel is good, flavour deliciousness.Therefore, low temperature cold meat products will become the main trend of China's meat products future development.
Cold fresh meat is packed to the corruption that can slow down to a certain extent cold fresh meat, extended the shelf life of cold fresh meat.At present, mainly contain vacuum packaging and controlled atmospheric packing in the manner of packing of cold fresh meat, vacuum packaging is mainly the partial pressure of oxygen in packing by control, suppresses to a certain extent the growth of aerobic bacteria and the variation that slows down in the quality that cold fresh meat causes because of oxidation changes.The cold fresh meat packaging of vacuum on market mostly is PVDC composite membrane, polyester compound film, polyamide composite film etc., these materials have certain barrier property, but from applying, still have the problem of barrier property deficiency, and PVDC composite membrane also relates to environmental issue.China document CN201320083001.8 discloses a kind of resistance dampness oxygen with anti-fog function and protects fragrant packing film, and it comprises coextrusion blow film; Coextrusion blow film by the wet layer of at least two-layer resistance, be sandwiched at least one deck oxidation prevention layer between the wet layer of resistance and form for the tack coat of bond adjacent oxidation prevention layer and the wet layer of resistance; Wherein, the wet layer of the resistance of a side surface of coextrusion blow film is the wet layer of the anti-fogbound of anti-stick company.Along with people improve day by day to the requirement of cold fresh meat packaging, mouthfeel and quality guarantee period to meat all have higher requirement.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of high-barrier composite film for cold fresh meat packaging, and the packaging bag that this film is made can meet the packaging demand that cold fresh meat improves constantly effectively.
For achieving the above object, the utility model is achieved through the following technical solutions:
High-barrier composite film for cold fresh meat packaging comprises a five-layer structure, is followed successively by from top to bottom: the first nylon layer of biaxial tension, the barrier layer of biaxial tension, the second nylon layer of biaxial tension, tack coat and antibacterial hot sealing layer.
Further, the evoh layer that the barrier layer of described biaxial tension is biaxial tension or MXD6 layer.
Further, the barrier layer thickness of described biaxial tension is 2-8 μ m.
Further, the first nylon layer of described biaxial tension, the second nylon layer are the nylon layer that contains opening agent, slipping agent.
Further, described tack coat is one pack system or dual-component polyurethane adhesive
Further, described antibacterial hot sealing layer is antibacterial curtain coating polyethylene film layer or antibacterial casting polypropylene film layer.
High-barrier composite film described in the utility model has following beneficial effect:
1. the first nylon layer of biaxial tension, the second nylon layer provide excellent mechanical strength for whole membrane structure, wait and can print where necessary simultaneously, print in particularly;
2. the barrier layer of biaxial tension has excellent barrier property, EVOH or MXD6 have extremely excellent barrier property, experience shows simultaneously, through the resin material of biaxial tension, its barrier property be 2-3 while not stretching doubly, therefore, the barrier layer of biaxial tension has excellent obstruct to oxygen, fragrance or other penetrating odors;
3. in antibacterial hot sealing layer, added efficient antiseptic, this layer directly contacts with content, can suppress the microbial growths such as Escherichia coli, further improves the preservation and effect of described high-barrier composite membrane; This layer makes described high-barrier composite film have good heat sealability simultaneously.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram.
Fig. 2 is that the utility model composite membrane carries out vacuum-packed comparison diagram with the sack that adopts PET/CPE structure composite film to make.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment: refer to Fig. 1, Figure 1 shows that the structural representation of the specific embodiment of the utility model high-barrier composite membrane.In this specific embodiment, described high-barrier composite membrane has five-layer structure, is followed successively by the first nylon layer 1 of biaxial tension from top to bottom, the barrier layer 2 of biaxial tension, the second nylon layer 3 of biaxial tension, tack coat 4, antibacterial hot sealing layer 5.Wherein, the barrier layer of biaxial tension is evoh layer, and thickness is 5 μ m; Tack coat is the adhesive for polyurethane of bi-component; Hot sealing layer is antibacterial curtain coating polyethylene film layer (CPE).In the first nylon layer of biaxial tension of the present utility model, the second nylon layer, contain opening agent, slipping agent; The barrier layer of biaxial tension of the present utility model can also be the MXD6 layer of biaxial tension, and thickness is 6 μ m; Tack coat is the adhesive for polyurethane of one pack system; Described hot sealing layer can also be antibacterial casting polypropylene film layer.
As shown in Figure 2, comparative example is to adopt PET/CPE structure composite film.
High-barrier composite membrane described in the utility model is made into sack by heat sealing machine, then will pack in sack and vacuum packaging through the acid-treated fresh meat of row, experimental result shows, the cold fresh meat of packing by high-barrier composite membrane described in the utility model, can effectively improve the time of guaranteeing the quality and the mouthfeel that keeps meat.
PH value is in rising trend at whole duration of test as can be seen from Figure 2, adopts high-barrier composite membrane structure, and fresh meat was still keeping the level of one-level freshness until just putrid and deteriorated the 25th day time in the time of the 15th day; And adopting PET/CPE structure, fresh meat started putrid and deteriorated at the 15th day.
Above record, only, for utilizing the embodiment of this origination techniques content, modification, variation that any those skilled in the art use this creation to do, all belong to the scope of the claims that this creation is advocated, and be not limited to those disclosed embodiments.
Claims (6)
1. for a high-barrier composite film for cold fresh meat packaging, it is characterized in that: comprise five-layer structure, be followed successively by from top to bottom: the first nylon layer of biaxial tension, the barrier layer of biaxial tension, the second nylon layer of biaxial tension, tack coat and antibacterial hot sealing layer.
2. a kind of high-barrier composite film for cold fresh meat packaging according to claim 1, is characterized in that: the evoh layer that the barrier layer of described biaxial tension is biaxial tension or MXD6 layer.
3. a kind of high-barrier composite film for cold fresh meat packaging according to claim 1 and 2, is characterized in that: the barrier layer thickness of described biaxial tension is 2-8 μ m.
4. a kind of high-barrier composite film for cold fresh meat packaging according to claim 1, is characterized in that: the first nylon layer of described biaxial tension, the second nylon layer are the nylon layer that contains opening agent, slipping agent.
5. a kind of high-barrier composite film for cold fresh meat packaging according to claim 1, is characterized in that: described tack coat is one pack system or dual-component polyurethane adhesive.
6. according to a kind of high-barrier composite film for cold fresh meat packaging described in claim 1 or 2 or 4 or 5, it is characterized in that: described antibacterial hot sealing layer is antibacterial curtain coating polyethylene film layer or antibacterial casting polypropylene film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354484.5U CN203945767U (en) | 2014-06-30 | 2014-06-30 | A kind of high-barrier composite film for cold fresh meat packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354484.5U CN203945767U (en) | 2014-06-30 | 2014-06-30 | A kind of high-barrier composite film for cold fresh meat packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203945767U true CN203945767U (en) | 2014-11-19 |
Family
ID=51887825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420354484.5U Expired - Lifetime CN203945767U (en) | 2014-06-30 | 2014-06-30 | A kind of high-barrier composite film for cold fresh meat packaging |
Country Status (1)
| Country | Link |
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| CN (1) | CN203945767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941972A (en) * | 2020-08-21 | 2020-11-17 | 湖南工业大学 | Easy-adhesion nylon film and preparation method thereof, nylon-based composite film and preparation method thereof |
-
2014
- 2014-06-30 CN CN201420354484.5U patent/CN203945767U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111941972A (en) * | 2020-08-21 | 2020-11-17 | 湖南工业大学 | Easy-adhesion nylon film and preparation method thereof, nylon-based composite film and preparation method thereof |
| CN111941972B (en) * | 2020-08-21 | 2022-06-21 | 湖南工业大学 | Easy-adhesion nylon film and preparation method thereof, nylon-based composite film and preparation method thereof |
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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: 20141119 |