CN204937882U - A kind of food package film - Google Patents
A kind of food package film Download PDFInfo
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- CN204937882U CN204937882U CN201520626672.3U CN201520626672U CN204937882U CN 204937882 U CN204937882 U CN 204937882U CN 201520626672 U CN201520626672 U CN 201520626672U CN 204937882 U CN204937882 U CN 204937882U
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Abstract
The utility model discloses a kind of food package film, comprise the antibacterial basement membrane of internal layer, in antibacterial basement membrane, be provided with PVDE layer, oil reservoir at the bottom of vacuum is coated with outside antibacterial basement membrane, be provided with aluminum membranous layer outside oil reservoir at the bottom of vacuum, be provided with co-extrusion nylon rete outside aluminum membranous layer, co-extrusion nylon rete peripheral hardware has BOPP film layer; Described BOPP film layer comprises sandwich layer and extinction layer, compound layer of oxide layer between sandwich layer and extinction layer.The utility model arranges PVDC layer on antibacterial basement membrane, effectively raise the packaging barriering effect of packaging for foodstuff, and antibacterial internal layer achieves good antibiotic property, the combined action of oil and aluminizer at the bottom of vacuum ensure that the raising of inner sealing, co-extrusion nylon membrane has good intensity and barrier properties for gases, multilayer combined action ensure that the excellence of leak tightness, outer field BOPP film has good impressionability, both the advantage of former delustring BOPP film layer had been saved, degradable again, a kind of packaging film of exceedingly beautiful environment-friendly type, applied range.
Description
Technical field
The utility model relates to food packaging applications, specifically a kind of food package film.
Background technology
At food packaging applications, esp meat based food and prepared food packaging field, need to be applied to vacuum packaging widely.Current vacuum packaging quality is very different, effectively can ensure the preservation of inner packing food, but extend in time during condition of high vacuum degree, and partial vacuum film leak tightness reduces gradually.Once packaging film is because the time is oversize or be subjected to physical damage and cause vacuum to ensure, inner packing food is by rapid deterioration.The utility model provides a kind of novel packaging vacuum diaphragm, while there is superior tightness, there is excellent antibiotic property, the safety of food environment in long storage time can be ensured, compared with conventional vacuum film, there is more excellent leak tightness, and still can ensure antibiotic property when packing degree of vacuum and reducing, substantially prolongs the holding time of food.And existing food packaging applications, return and step on packaging bag skin hypothesis delustring BOPP film layer, delustring BOPP film layer is the film for packaging of a kind of low gloss haze or diffuser reflection extinction effect, the paper of film surface class has low-down gloss, its surface reflection is weak and soft, surface gloss is lower than 15%, and mist degree is generally more than 70%, when having comfortable feel, the quiet elegance of outward appearance, a printing, color such as true to naturely can to reproduce at the plurality of advantages, has the title of class paper wrapper film or natural daylight glossy film.But unique shortcoming of film is non-degradable, can pollute, do not utilize environmental protection to environment.
Utility model content
The purpose of this utility model is to provide a kind of food package film, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of food package film, comprise the antibacterial basement membrane of internal layer, it is characterized in that, described antibacterial basement membrane is living beings antibacterial film, be provided with PVDE layer in antibacterial basement membrane, be coated with oil reservoir at the bottom of vacuum outside antibacterial basement membrane, outside oil reservoir at the bottom of vacuum, be provided with aluminum membranous layer, be provided with co-extrusion nylon rete outside aluminum membranous layer, co-extrusion nylon rete peripheral hardware has BOPP film layer; Described BOPP film layer comprises sandwich layer and extinction layer, compound layer of oxide layer between sandwich layer and extinction layer, and described sandwich layer adopts polypropylene; Extinction layer adopts high density polyethylene (HDPE); Oxide coating selects natural plant cellulose.
As further program of the utility model: described aluminum membranous layer is overlayed on oil reservoir at the bottom of vacuum by vacuum evaporation.
As the utility model further scheme: the nylon membrane co-extrusion number of plies of described co-extrusion nylon rete is 3-6 layer.
As the utility model further scheme: the thickness of described PVDC layer is 0.02mm, the thickness of antibacterial basement membrane is 0.2mm, core intersection at the bottom of vacuum is 0.03mm, aluminum membranous layer thickness is 0.08mm, the thickness of co-extrusion nylon rete is 0.3mm, core layer thickness is 0.025mm, and extinction layer thickness is 0.003mm.
As the utility model further scheme: the thickness of described oxide coating 63 is 0.3 ~ 0.5 μm.
Compared with prior art, the beneficial effects of the utility model are: the utility model arranges PVDC layer on antibacterial basement membrane, by the good barrier that PVDC layer has, effectively raise the packaging barriering effect of packaging for foodstuff, and antibacterial internal layer achieves good antibiotic property, the combined action of oil and aluminizer at the bottom of vacuum ensure that the raising of inner sealing, and co-extrusion nylon membrane has good intensity and barrier properties for gases, and multilayer combined action ensure that the excellence of leak tightness.It is the guarantee of leak tightness and antibiotic property that above composite structure exists simultaneously, and outer field BOPP film has good impressionability, has both saved the advantage of former delustring BOPP film layer, degradable again, is a kind of packaging film of exceedingly beautiful environment-friendly type, applied range.
Accompanying drawing explanation
Fig. 1 is the structural representation of food package film;
Fig. 2 is the structural representation of BOPP film layer in food package film;
In figure: the antibacterial basement membrane of 1-PVDC layer, 2-, the low oil reservoir of 3-vacuum, 4-aluminum membranous layer, 5-co-extrusion nylon rete, 6-BOPP rete, 61-sandwich layer, 62-extinction layer, 63-oxide coating.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-2, a kind of food package film, comprise the antibacterial basement membrane 2 of internal layer, be provided with PVDE layer 1 in antibacterial basement membrane 2, be coated with oil reservoir 3 at the bottom of vacuum outside antibacterial basement membrane 2, outside oil reservoir 3 at the bottom of vacuum, be provided with aluminum membranous layer 4, co-extrusion nylon rete 5 is provided with outside aluminum membranous layer 4, be provided with BOPP film layer 6 outside co-extrusion nylon rete 5, described BOPP film layer 6 comprises sandwich layer 61 and extinction layer 62, compound layer of oxide layer 63 between sandwich layer 61 and extinction layer 62.
Described antibacterial basement membrane 2 is living beings antibacterial film, for biological antibiotic masterbatch sodium alginate is passed through casting film-forming.
Described aluminum membranous layer 4 is overlayed on oil reservoir 3 at the bottom of vacuum by vacuum evaporation.
Described co-extrusion nylon rete 5 is 4 layers of co-extrusion film.
Described co-extrusion nylon rete 5 is by adhesives bonding aluminum rete 4, and BOPP film layer 6 is by hot pressing and co-extrusion nylon membrane layer 5 compound.
Described sandwich layer 61 adopts polypropylene; Extinction layer 62 adopts high density polyethylene (HDPE); Oxide coating 63 selects natural plant cellulose, can be completely compatible with BOPP resin, and oxide coating 63, in product life cycle saboteur structure, allows film be decomposed it by light, heat, pressure and germ in natural environment.Add and be composited successively from top to bottom man-hour.I.e. compound layer of oxide layer 63 below the matt film 62 on upper strata, compound one deck sandwich layer 61 below oxide coating 63, compound layer of oxide layer 63 again below sandwich layer 61, finally compound one deck extinction layer 62 more below.
The thickness of described PVDC layer 1 is 0.02mm, and the thickness of antibacterial basement membrane 2 is 0.2mm, and at the bottom of vacuum, oil reservoir 3 thickness is 0.03mm, aluminum membranous layer 4 thickness is 0.08mm, the thickness of co-extrusion nylon rete 5 is 0.3mm, and sandwich layer 61 thickness is 0.025mm, and extinction layer 62 thickness is 0.003mm.
The thickness of described oxide coating 63 is 0.3 ~ 0.5 μm.
Principle of work of the present utility model is:
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (5)
1. a food package film, comprise the antibacterial basement membrane of internal layer, it is characterized in that, described antibacterial basement membrane is living beings antibacterial film, be provided with PVDE layer in antibacterial basement membrane, be coated with oil reservoir at the bottom of vacuum outside antibacterial basement membrane, outside oil reservoir at the bottom of vacuum, be provided with aluminum membranous layer, be provided with co-extrusion nylon rete outside aluminum membranous layer, co-extrusion nylon rete peripheral hardware has BOPP film layer; Described BOPP film layer comprises sandwich layer and extinction layer, compound layer of oxide layer between sandwich layer and extinction layer, and described sandwich layer adopts polypropylene; Extinction layer adopts high density polyethylene (HDPE); Oxide coating selects natural plant cellulose.
2. food package film according to claim 1, is characterized in that, described aluminum membranous layer is overlayed on oil reservoir at the bottom of vacuum by vacuum evaporation.
3. food package film according to claim 1 and 2, is characterized in that, the nylon membrane co-extrusion number of plies of described co-extrusion nylon rete is 3-6 layer.
4. food package film according to claim 3, it is characterized in that, the thickness of described PVDC layer is 0.02mm, the thickness of antibacterial basement membrane is 0.2mm, core intersection at the bottom of vacuum is 0.03mm, and aluminum membranous layer thickness is 0.08mm, and the thickness of co-extrusion nylon rete is 0.3mm, core layer thickness is 0.025mm, and extinction layer thickness is 0.003mm.
5. the food package film according to claim 1 or 2 or 4, is characterized in that, the thickness of described oxide coating 63 is 0.3 ~ 0.5 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626672.3U CN204937882U (en) | 2015-08-19 | 2015-08-19 | A kind of food package film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520626672.3U CN204937882U (en) | 2015-08-19 | 2015-08-19 | A kind of food package film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204937882U true CN204937882U (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520626672.3U Active CN204937882U (en) | 2015-08-19 | 2015-08-19 | A kind of food package film |
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| CN (1) | CN204937882U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399132A (en) * | 2017-07-12 | 2017-11-28 | 浙江伊美薄膜工业集团有限公司 | A kind of matt film and its manufacture method |
| CN108274872A (en) * | 2018-01-31 | 2018-07-13 | 江苏利特尔绿色包装股份有限公司 | Environment-friendly type degradable bag |
-
2015
- 2015-08-19 CN CN201520626672.3U patent/CN204937882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399132A (en) * | 2017-07-12 | 2017-11-28 | 浙江伊美薄膜工业集团有限公司 | A kind of matt film and its manufacture method |
| CN108274872A (en) * | 2018-01-31 | 2018-07-13 | 江苏利特尔绿色包装股份有限公司 | Environment-friendly type degradable bag |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |