CN116409038A - Frozen food packaging film with long-acting antibacterial and antivirus functions - Google Patents
Frozen food packaging film with long-acting antibacterial and antivirus functions Download PDFInfo
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- CN116409038A CN116409038A CN202111665879.8A CN202111665879A CN116409038A CN 116409038 A CN116409038 A CN 116409038A CN 202111665879 A CN202111665879 A CN 202111665879A CN 116409038 A CN116409038 A CN 116409038A
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- food packaging
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 40
- 229920006280 packaging film Polymers 0.000 title claims abstract description 32
- 239000012785 packaging film Substances 0.000 title claims abstract description 32
- 235000013611 frozen food Nutrition 0.000 title claims abstract description 25
- 230000002155 anti-virotic effect Effects 0.000 title claims abstract description 11
- 238000013329 compounding Methods 0.000 claims abstract description 15
- 239000004677 Nylon Substances 0.000 claims abstract description 10
- 229920001778 nylon Polymers 0.000 claims abstract description 10
- 229920006284 nylon film Polymers 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 57
- 239000004698 Polyethylene Substances 0.000 claims description 14
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical group [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims description 14
- 230000000845 anti-microbial effect Effects 0.000 claims description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 7
- 239000004599 antimicrobial Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 239000011701 zinc Substances 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000004246 zinc acetate Substances 0.000 claims description 4
- 239000011787 zinc oxide Substances 0.000 claims description 4
- 229940043810 zinc pyrithione Drugs 0.000 claims description 4
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical compound [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims description 2
- 238000010096 film blowing Methods 0.000 claims description 2
- 239000003242 anti bacterial agent Substances 0.000 abstract description 12
- 235000013305 food Nutrition 0.000 abstract description 12
- 241000894006 Bacteria Species 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 238000003786 synthesis reaction Methods 0.000 abstract description 4
- 241000711573 Coronaviridae Species 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract description 2
- 230000002147 killing effect Effects 0.000 abstract 1
- 238000004806 packaging method and process Methods 0.000 description 8
- 229920001526 metallocene linear low density polyethylene Polymers 0.000 description 7
- 241000700605 Viruses Species 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 244000052616 bacterial pathogen Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000014599 transmission of virus Effects 0.000 description 2
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 1
- 241001678559 COVID-19 virus Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000002458 infectious effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/327—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polyolefins obtained by a metallocene or single-site catalyst
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2553/00—Packaging equipment or accessories not otherwise provided for
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Packages (AREA)
Abstract
The invention discloses a frozen food packaging film with a long-acting antibacterial and antivirus function, which is of a multi-layer structure, wherein the multi-layer structure sequentially comprises an inner film, a bonding layer and an outer film from inside to outside, the bonding layer bonds the inner film and the outer film together, the inner film is formed by compounding a plurality of PE films, the outer film is formed by compounding a plurality of layers of copolymerized nylon films, the outermost side of the outer film is also compounded with a layer of PA long-acting antibacterial film, and the raw material of the PA long-acting antibacterial film is copolymerized nylon particles added with inorganic antibacterial agents in the synthesis stage. Through the mode, the packaging film disclosed by the invention has the advantages that the physical protection performance of the packaging film can be improved, the long-acting killing effect on harmful bacteria in the surrounding environment is improved, on one hand, the food deterioration problem caused by the damage of the packaging film is reduced, and on the other hand, the harmful bacteria such as the new coronavirus are prevented from being attached to the surface of the packaging film, and the safety of cold chain transportation is endangered.
Description
Technical Field
The invention relates to the field of food packaging, in particular to a frozen food packaging film with long-acting antibacterial and antivirus functions.
Background
At present, frozen fresh foods are usually packaged in a sealed manner by using a packaging bag made of nylon or polyethylene in cold chain transportation, but in actual use, customers feedback that the packaging bag is easy to deteriorate foods due to the occurrence of bag breakage. In addition, in recent years, the Covid 19 virus has been abused, and a great deal of damage is caused to the safety of cold chain transportation due to the fact that new coronaviruses carried on the imported frozen food packaging bags have caused people to take a lot of trouble, one of the important reasons is that the viruses can stay dormant at a low temperature state and can be reactivated at a proper temperature, so that a packaging product capable of blocking bacterial and viral transmission paths for a long time is required to be developed for cold chain transportation, and the safety of cold chain transportation is improved.
Disclosure of Invention
The invention mainly solves the technical problem of providing the frozen food packaging film with long-acting antibacterial and antivirus functions, which can effectively prevent food from deteriorating for a long time and improve the resistance of the surface to viruses.
In order to solve the technical problems, the invention adopts a technical scheme that: the frozen food packaging film with the long-acting antibacterial and antivirus functions is of a multilayer structure, the multilayer structure comprises an inner film, a bonding layer and an outer film from inside to outside in sequence, the bonding layer bonds the inner film and the outer film together, the inner film is formed by compounding a plurality of PE films, the outer film is formed by compounding a plurality of copolymerized nylon films, the outermost side of the outer film is also compounded with a PA long-acting antibacterial film, and raw materials of the PA long-acting antibacterial film are copolymerized nylon particles added with inorganic antibacterial agents in a synthesis stage.
In a preferred embodiment of the present invention, the copolymerized nylon particles are one of PA66/6, PA66/610 or PA66/612 or a combination thereof.
In a preferred embodiment of the present invention, the inorganic antimicrobial agent is a zinc ion antimicrobial agent. The zinc ion antibacterial agent comprises zinc oxide, zinc amine adipate, zinc acetate or zinc pyrithione or a combination thereof.
The addition amount of the zinc ion antibacterial agent is 50-5000 PPM, and the preferable addition range is 500-1500 PPM.
In a preferred embodiment of the present invention, the inner film is formed by compounding 3 to 5 PE films.
In a preferred embodiment of the present invention, the total thickness of the inner film is 150 to 500 microns, wherein the thickness of each PE film is 30 to 100 microns.
In a preferred embodiment of the present invention, the raw material of the PE film is metallocene polyethylene.
In a preferred embodiment of the invention, the outer film is formed by compounding an outermost PA long-acting antibacterial film layer and 1-3 copolymerized nylon film layers.
In a preferred embodiment of the present invention, the total thickness of the outer film is 50-100 microns, wherein the thickness of the PA long-acting antimicrobial film layer is 15-30 microns.
In a preferred embodiment of the present invention, the adhesive material used for the adhesive layer is TIE resin, and the inner film, the outer film and the adhesive layer may be integrally formed by blow molding, casting or biaxially stretching in a multilayer coextrusion manner.
The beneficial effects of the invention are as follows: the invention is developed based on the nylon long-acting antibacterial technology owned by the Oldham's company, namely, an antibacterial agent is added in the synthesis stage of nylon, so that the continuous resistance of an antibacterial outer film after film formation to bacteria and viruses is effectively improved, and the co-extrusion compounding of the nylon long-acting antibacterial film and a PE film can reduce the overall oxygen permeability of a packaging film, lock the moisture in chilled food, improve the overall fresh-keeping performance and effectively enhance the puncture resistance of the packaging film at low temperature. The long-acting antibacterial effect is increased on the basis of reducing the damage probability of the packaging bag, the problems of virus pollution risk and food deterioration caused by breaking of the packaging film of the existing frozen food are avoided, the transmission of viruses and bacteria along a cold chain is effectively prevented, and the safety of field workers is improved.
Detailed Description
The following detailed description of the preferred embodiments of the invention is provided to enable those skilled in the art to more readily understand the advantages and features of the invention and to make a clear and concise definition of the scope of the invention.
The invention relates to a frozen food packaging film with a long-acting antibacterial and antivirus function, which is of a multi-layer structure, wherein the multi-layer structure sequentially comprises an inner film, a bonding layer and an outer film from inside to outside, the bonding layer bonds the inner film and the outer film together, the inner film is formed by compounding 3-5 PE films with the inner film, the outer film is formed by compounding a plurality of layers of copolymerized nylon films, and the outer film is formed by compounding an outermost PA long-acting antibacterial film layer and 1-3 copolymerized nylon film layers. The bonding material used for the bonding layer is TIE resin. Through the multilayer structure, on one hand, the water vapor transmission blocking effect can be improved by utilizing the PE film compounding of the plurality of layers, and on the other hand, the fresh-keeping effect of frozen packaging food is enhanced, and meanwhile, the integral strength of the finished frozen food packaging film product with the long-acting antibacterial and antivirus functions is improved by utilizing the multi-layer copolymerized nylon film, moreover, the PA long-acting antibacterial film on the outermost layer can effectively prevent the generation of infectious viruses and bacteria, blocks the way of diffusing bacterial viruses along the cold chain transmission process, and has a practical effect on the current epidemic of new coronaries in cross-region. Finally, as the materials of the inner film, the outer film and the bonding layer are all resin, the inner film, the outer film and the bonding layer can be integrally formed after being extruded in a multilayer coextrusion mode and subjected to film blowing, tape casting or biaxial stretching treatment, and the processing and forming method is rapid and convenient.
In the embodiment of the invention, the raw material of the PA long-acting antibacterial film is copolymerized nylon particles added with zinc ion antibacterial agent in the synthesis stage. The copolymerized nylon particles are one or a combination of PA66/6, PA66/610 or PA66/612, and the zinc ion antibacterial agent comprises zinc oxide, zinc adipamide, zinc acetate or zinc pyrithione or a combination thereof. The specific adding mode is that zinc ion antibacterial agent is added into monomer solution before polycondensation and uniformly mixed, and then ion zinc element is fixed by entanglement among macromolecules during polycondensation to form constant antibacterial and antivirus capability. The addition amount of the zinc ion antibacterial agent is 50-5000 PPM. The preferable addition range is 500-1500 PPM. Too small an amount of the additive may not be sufficient to achieve an ideal sterilization effect, while too large an amount may affect the softness of the frozen food packaging film having a long-acting antibacterial and sterilization function.
In the embodiment of the invention, the PE film is prepared from metallocene polyethylene, and the total thickness of the inner film is 150-500 micrometers, wherein the thickness of each PE film is 30-100 micrometers. The total thickness of the outer film is 50-100 microns, and the thickness of the PA long-acting antibacterial film layer is 15-30 microns. The frozen food packaging film with the long-acting antibacterial and antivirus functions is composed by the combination, and the inner film composed of the multi-layer metallocene PE films can effectively lock moisture in food, prevent moisture loss, and the PA antibacterial outer film on the outermost layer is compounded with the multi-layer copolymerized nylon film on the inner side in common use, so that the whole product is provided with higher physical strength, good oxygen isolation performance and excellent antibacterial performance, and the protective performance against puncture injuries of the inside and the outside is improved, on one hand, oxygen molecules can be prevented from entering the packaging film to cause oxidation reaction of food, the freshness is reduced, on the other hand, harmful bacteria in surrounding space can be killed, the packaging film is prevented from being polluted by bacteria to cause food, and the spread of pathogenic bacteria along a cold chain is blocked. And the whole cold resistance is good, and the softness can be kept to be good under the low temperature condition, so that the cold chain type cold chain is very suitable for cold chain transportation.
The specific implementation mode is as follows:
example 1
The structure is as follows: the inner film is a 3-layer metallocene PE film, the bonding layer is TIE resin, and the outer film is a 3-layer PA66/6 film layer and a PA66/6 long-acting antibacterial film layer. Wherein each metallocene PE film has a thickness of 100 microns, the tie layer has a thickness of 50 microns, and the PA66/6 film has a thickness of 30 microns. The thickness of the PA66/6 long-acting antibacterial film layer is 15 microns, wherein the zinc ion antibacterial agent added in the PA66/6 long-acting antibacterial film layer is zinc oxide, and the addition amount is converted into 1500PPM by zinc element.
Example 2
The structure is as follows: the inner film is a 4-layer metallocene PE film, the bonding layer is TIE resin, and the outer film is 2 layers of PA66/6 film layers and one layer of PA66/610 long-acting antibacterial film layer. Wherein each metallocene PE film has a thickness of 50 microns, the tie layer has a thickness of 50 microns, and the PA66/6 film has a thickness of 30 microns. The thickness of the PA66/610 long-acting antibacterial film layer is 30 microns, wherein the zinc ion antibacterial agent added in the PA66/6 long-acting antibacterial film layer is zinc acetate, and the addition amount is 1000PPM converted by zinc element.
Example 3
The structure is as follows: the inner film is a 5-layer metallocene PE film, the bonding layer is TIE resin, and the outer film is 1 layer of PA66/6 film layer and one layer of PA66/612 long-acting antibacterial film layer. Wherein each metallocene PE film has a thickness of 30 microns, the tie layer has a thickness of 50 microns, and the PA66/6 film layer has a thickness of 50 microns. The thickness of the PA66/6 long-acting antibacterial film layer is 30 microns, wherein the zinc ion antibacterial agent added in the PA66/612 long-acting antibacterial film layer is zinc pyrithione, and the addition amount is 600PPM converted by zinc element.
The surface biochemical detection results of the above examples 1 to 3 are as follows:
the antibacterial biochemical detection results before and after the cold storage are shown to have no change in antibacterial capacity from the antibacterial biochemical detection results before and after the cold storage in the embodiments 1 to 3, wherein the detection results before and after the cold storage are the detection results after the cold storage for 30 days at the constant temperature of-20 ℃, so that the product related to the invention can effectively prevent food spoilage caused by bacterial pollution to a packaging film when being used for packaging frozen foods, and can block the transmission of pathogenic bacteria along a cold chain.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (12)
1. The frozen food packaging film with the long-acting antibacterial and antivirus functions is of a multi-layer structure, the multi-layer structure comprises an inner film, a bonding layer and an outer film from inside to outside in sequence, the bonding layer bonds the inner film and the outer film together, the inner film is formed by compounding a plurality of PE films, and the outer film is formed by compounding a plurality of copolymerized nylon films.
2. The long-acting antimicrobial frozen food packaging film of claim 1, wherein the copolymerized nylon particles are one of PA66/6, PA66/610, or PA66/612, or a combination thereof.
3. The long-acting antimicrobial frozen food packaging film of claim 1 wherein the inorganic antimicrobial agent is a zinc ion antimicrobial agent.
4. The long-acting antimicrobial frozen food packaging film according to claim 3, wherein the zinc ion antimicrobial agent is added in an amount of 50-5000 ppm.
5. The long-acting antimicrobial frozen food packaging film according to claim 4, wherein the zinc ion antimicrobial agent is preferably added in a range of 500 to 1500ppm.
6. A long-acting antimicrobial frozen food packaging film according to claim 3, characterized in that the zinc ion antimicrobial agent comprises zinc oxide, zinc amine adipate, zinc acetate or zinc pyrithione or a combination thereof.
7. The long-acting antimicrobial frozen food packaging film according to claim 1, wherein the inner film is formed by compounding 3-5 layers of PE films.
8. The long-acting antimicrobial frozen food packaging film according to claim 1, wherein the total thickness of the inner film is 150-500 microns, and wherein the thickness of each PE film is 30-100 microns.
9. The long-acting antimicrobial frozen food packaging film according to claim 1, wherein the PE film is a metallocene polyethylene as a raw material.
10. The long-acting antimicrobial frozen food packaging film according to claim 1, wherein the outer film is formed by compounding an outermost PA long-acting antimicrobial film layer and 1-3 copolymerized nylon film layers.
11. The long-acting antimicrobial frozen food packaging film according to claim 1, wherein the total thickness of the outer film is 50-100 microns, and wherein the PA long-acting antimicrobial film layer is 15-30 microns.
12. The long-acting antibacterial frozen food packaging film according to claim 1, wherein the adhesive material used for the adhesive layer is TIE resin, and the inner film, the outer film and the adhesive layer can be integrally formed by a multilayer coextrusion mode after film blowing, casting or biaxial stretching.
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012006802A1 (en) * | 2010-07-13 | 2012-01-19 | 浙江大东南包装股份有限公司 | Multifunctional long-acting rust-proof film and manufacturing method thereof |
CN203864130U (en) * | 2014-06-09 | 2014-10-08 | 湖南工业大学 | Antibacterial frozen food packaging film |
CN204936396U (en) * | 2015-08-19 | 2016-01-06 | 南京爱丽斯包装有限公司 | A kind of self-cleaning antibacterial food package film |
CN207859654U (en) * | 2017-12-25 | 2018-09-14 | 南京爱丽斯包装有限公司 | A kind of novel antibacterial Frozen Food Packaging film |
CN110641107A (en) * | 2018-06-27 | 2020-01-03 | 浙江磊峰塑料科技有限公司 | Antibacterial high-barrier nylon film and preparation method thereof |
CN112318891A (en) * | 2020-09-29 | 2021-02-05 | 厦门长塑实业有限公司 | High-barrier antibacterial nylon composite film and preparation method thereof |
CN112590346A (en) * | 2020-12-11 | 2021-04-02 | 厦门长塑实业有限公司 | Antibacterial high-barrier co-extrusion composite film and preparation method thereof |
CN214563555U (en) * | 2020-12-15 | 2021-11-02 | 厦门长塑实业有限公司 | Antibacterial antifogging barrier film for frozen food packaging |
CN113667168A (en) * | 2021-08-27 | 2021-11-19 | 江南大学 | Water-blocking enhanced degradable antibacterial film and preparation method and application thereof |
CN215243501U (en) * | 2021-04-12 | 2021-12-21 | 南京爱丽斯包装有限公司 | Antibacterial frozen food packaging film |
-
2021
- 2021-12-31 CN CN202111665879.8A patent/CN116409038A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012006802A1 (en) * | 2010-07-13 | 2012-01-19 | 浙江大东南包装股份有限公司 | Multifunctional long-acting rust-proof film and manufacturing method thereof |
CN203864130U (en) * | 2014-06-09 | 2014-10-08 | 湖南工业大学 | Antibacterial frozen food packaging film |
CN204936396U (en) * | 2015-08-19 | 2016-01-06 | 南京爱丽斯包装有限公司 | A kind of self-cleaning antibacterial food package film |
CN207859654U (en) * | 2017-12-25 | 2018-09-14 | 南京爱丽斯包装有限公司 | A kind of novel antibacterial Frozen Food Packaging film |
CN110641107A (en) * | 2018-06-27 | 2020-01-03 | 浙江磊峰塑料科技有限公司 | Antibacterial high-barrier nylon film and preparation method thereof |
CN112318891A (en) * | 2020-09-29 | 2021-02-05 | 厦门长塑实业有限公司 | High-barrier antibacterial nylon composite film and preparation method thereof |
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