CN206125829U - High resistant separates pure water packing coextrusion film - Google Patents
High resistant separates pure water packing coextrusion film Download PDFInfo
- Publication number
- CN206125829U CN206125829U CN201620992453.1U CN201620992453U CN206125829U CN 206125829 U CN206125829 U CN 206125829U CN 201620992453 U CN201620992453 U CN 201620992453U CN 206125829 U CN206125829 U CN 206125829U
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- Prior art keywords
- layer
- film
- pure water
- extrusion
- barrier
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 238000012856 packing Methods 0.000 title abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 39
- 210000003684 theca cell Anatomy 0.000 claims description 32
- 238000004806 packaging method and process Methods 0.000 claims description 19
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 18
- 239000004698 Polyethylene Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 16
- 230000003647 oxidation Effects 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 14
- 230000002265 prevention Effects 0.000 claims description 14
- 239000004952 Polyamide Substances 0.000 claims description 10
- 229920002647 polyamide Polymers 0.000 claims description 10
- 239000004743 Polypropylene Substances 0.000 claims description 9
- -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
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 210000002808 connective tissue Anatomy 0.000 abstract 1
- 239000007779 soft material Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 86
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 7
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 6
- 239000012528 membrane Substances 0.000 description 5
- 239000012790 adhesive layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000004712 Metallocene polyethylene (PE-MC) Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 2
- 235000012206 bottled water Nutrition 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920006280 packaging film Polymers 0.000 description 2
- 239000012785 packaging film Substances 0.000 description 2
- 239000005033 polyvinylidene chloride Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009459 flexible packaging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model discloses a high resistant separates pure water packing coextrusion film, by outer to interior including adventitia layer, crowded barrier film layer and interior rete altogether, outer rete and/or interior rete are folded layer upon layer by a pellicle layer and an at least level pellicle and are formed, contain smooth heat -seal layer in the at least level pellicle layer. This high resistant separates pure water packing coextrusion film sets up smooth heat -seal layer on inferior top layer, helps improving the creep resistance properties of film, above -mentioned film soft material for having good combatting drop nature in the pure water packing, being able to bear or endure to freeze, being able to bear or endure to roll over and hinder oxygen excellent performance, interior rete smell is low, easy involution.
Description
Technical field
The utility model is related to drinking water packing technique field, and in particular to a kind of high-barrier pure water packs co-extrusion film.
Background technology
In the market, the packaged form of drinking water includes glass, PET based on bottled water and bottled water by material point
Bottle, HDPE bottles etc., above-mentioned manner of packing high cost, and rigid package is, transport space is using high.In improved technical scheme
Above-mentioned hard is replaced using flexible packaging bag bottled.
The technical requirements of the bag film of water packaging include：Flexibility；High barrier, starvation prevents bacteria breed；
The low temperature of inner layer material, without precipitate；Excellent anti-dropping capability；Suitable for fast package equipment.
The B of CN 103481620 disclose a kind of PE liquid packaging films, and by internal layer, middle level, outer layer is three-layer co-extruded forms, institute
State internal layer, middle level, outer layer thickness ratio be 4:3:3, there can also be stronger tensile strength when the film thickness is relatively thin.The liquid
The tensile strength of packaging film is excellent, but its barrier property is undesirable.The improved technical scheme such as U of CN 202053628 are related to
Multilayer co-extruded water sack film, water bag film be seven-layer co-extrusion film, it is followed successively by from top to bottom：First metallocene polyethylene layer,
One linear low density polyethylene layer, the first adhesive layer, nylon layer, the second adhesive layer, the second linear low density polyethylene layer and
Metallocene polyethylene layer.Nylon layer therein has excellent oxygen barrier, the transparency and paracentesis resistance, but, but water is steamed
The barrier of gas and creep resistance are poor, and the moisture absorption, penetrability are larger, are more suitable for packing rigid article.Therefore, it is necessary to existing skill
Pure water packaging bag film in art carries out technological improvement.
Utility model content
The purpose of this utility model is to overcome defect present in prior art, there is provided a kind of simple structure, creep resistant
The high-barrier pure water packaging co-extrusion film of function admirable.
To realize above-mentioned technique effect, the technical solution of the utility model is：A kind of high-barrier pure water packs co-extrusion film,
Characterized in that, including that theca externa, co-extrusion intercept film layer and theca interna from outside to inside, theca externa and/or theca interna are by surface film layer
It is laminated with least one of which time surface film layer, at least one of which time surface film layer smooth hot sealing layer is included.
Further preferred technical scheme is to include one layer of smooth heat in the theca externa of high-barrier pure water packaging co-extrusion film
One layer of smooth hot sealing layer is included respectively in sealing, or the theca externa and theca interna of high-barrier pure water packaging co-extrusion film.
In order to ensure the heat seal strength of hot sealing layer, preferred technical scheme is that surface film layer and time surface film layer are selected from poly- second
One kind in alkene layer and polypropylene layer.
Preferred technical scheme is that the thickness of high-barrier pure water packaging co-extrusion film is 40～200 μm.
Preferred technical scheme is that co-extrusion intercepts film layer and includes one layer of ethylene-vinyl alcohol copolymer oxidation prevention layer, ethene-second
At least side of enol copolymer oxidation prevention layer is provided with polyamide enhancement layer, and co-extrusion is intercepted between film layer and theca externa and theca externa
Connected by adhesive linkage respectively.In order to reach the effect for further enhancing film, further, polyamide enhancement layer is arranged on resistance
The both sides of oxygen layer.
Preferred technical scheme can also be that co-extrusion intercepts film layer and includes two-layer ethylene-vinyl alcohol copolymer oxidation prevention layer, second
Polyamide enhancement layer is provided between alkene-ethenol copolymer oxidation prevention layer.
Advantage of the present utility model and beneficial effect are：
The high-barrier pure water packaging co-extrusion film arranges smooth hot sealing layer on secondary top layer, contributes to improving the creep resistant of film
Performance, above-mentioned film material is soft, for having good anti-drop, resistance to jelly, folding and oxygen resistance in pure water packaging
Excellent, theca interna smell is low, easily sealing.
Description of the drawings
Fig. 1 is the structural representation of high-barrier pure water packaging co-extrusion film embodiment 1；
Fig. 2 is the structural representation of high-barrier pure water packaging co-extrusion film embodiment 1；
Fig. 3 is the structural representation of high-barrier pure water packaging co-extrusion film embodiment 3.
In figure：1st, black-out ink layer；2nd, outer bag top layer；3rd, outer bag adhesive layer；4th, outer bag hot sealing layer；5th, inner bag first is sealed
Layer；6th, inner bag adhesive layer；7th, barrier layer；8th, the hot sealing layer of inner bag second；9th, anti-drop layer；10th, patterned layer.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Hereinafter implement
Example is only used for clearly illustrating the technical solution of the utility model, and protection model of the present utility model can not be limited with this
Enclose.
Embodiment 1
As shown in figure 1, the high-barrier pure water packaging co-extrusion film of embodiment 1, hinders from outside to inside including theca externa 1, co-extrusion
Membrane layer 2 and theca interna 3, wherein, theca externa is laminated by surface film layer a and a level surface film layer, the secondary pellicle in theca externa 1
Layer is smooth hot sealing layer b1.
In embodiment 1, co-extrusion intercepts film layer 2 and includes one layer of ethylene-vinyl alcohol copolymer oxidation prevention layer 21, ethylene-vinyl alcohol
The side of copolymer oxidation prevention layer is provided with polyamide enhancement layer 22.Theca externa and theca interna are polyethylene layer.Polyamide strengthens
Connected by adhesive linkage 4 between layer 22 and theca externa 1.
The thickness of high-barrier pure water packaging co-extrusion film is 40 μm.
Specifically, the co-extrusion membrane structure of embodiment 1 is from outside to inside PE/PE/Tie/PA/EVOH/PE.
Embodiment 2
As shown in Fig. 2 embodiment 2 is with the difference of embodiment 1, co-extrusion intercepts film layer and includes two-layer ethylene-vinyl alcohol
Copolymer oxidation prevention layer 21, is provided with polyamide enhancement layer 22 between ethylene-vinyl alcohol copolymer oxidation prevention layer 21.
Theca externa 1 is individual layer PP films in embodiment 2, and theca interna 3 is laminated by surface film layer a and two level surface film layer b,
Wherein, the secondary surface film layer near surface film layer a is smooth hot sealing layer b1.Surface film layer a is polypropylene screen, smooth hot sealing layer b1 and is located at
Secondary surface film layer b on the inside of smooth hot sealing layer b1 is polyethylene film.
Specifically, the co-extrusion membrane structure of embodiment 2 is from outside to inside PE/EVOH/PA/EVOH/ PE/PE/PP.
The thickness of high-barrier pure water packaging co-extrusion film is 200 μm.
Embodiment 3
As shown in figure 3, embodiment 3 is with the difference of embodiment 1, theca externa 1 and theca interna 2 respectively by surface film layer a and
One level pellicle b layer stackups are formed, and secondary pellicle b layers are smooth hot sealing layer b1.
In addition, co-extrusion intercepts film layer includes one layer of ethylene-vinyl alcohol copolymer oxidation prevention layer 21, the both sides of oxidation prevention layer 21 are distinguished
It is provided with polyamide enhancement layer 22.Connected by adhesive linkage 4 respectively between polyamide enhancement layer 22 and theca externa 1 and theca interna.
The thickness of high-barrier pure water packaging co-extrusion film is 120 μm.
The co-extrusion membrane structure of embodiment 3 is from outside to inside：PE /PP /Tie/PA/EVOH/PA/Tie/PP/PE.
In addition to embodiment 1-3, the membrane structure of high-barrier pure water packaging co-extrusion film can also be：PET/Tie/PP/
Tie/PA/EVOH/PA/ Tie/PE
PET/Tie//PA/EVOH/PA/ Tie/PE
PE/ Tie/PVDC/ Tie/PE
PP /Tie/ PVDC/ Tie/PE
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the utility model know-why, some improvements and modifications can also be made, these change
Enter and retouch also to should be regarded as protection domain of the present utility model.
Claims (6)
1. a kind of high-barrier pure water packs co-extrusion film, it is characterised in that from outside to inside including theca externa, co-extrusion intercept film layer and
Theca interna, theca externa and/or theca interna are laminated by surface film layer and at least one of which time surface film layer, at least one of which time surface film layer
Comprising smooth hot sealing layer.
2. high-barrier pure water according to claim 1 packs co-extrusion film, it is characterised in that high-barrier pure water packaging is altogether
During one layer of smooth hot sealing layer, or the theca externa and theca interna of high-barrier pure water packaging co-extrusion film are included in the theca externa of extruded film
One layer of smooth hot sealing layer is included respectively.
3. high-barrier pure water according to claim 1 packs co-extrusion film, it is characterised in that surface film layer and time surface film layer are
One kind in polyethylene layer and polypropylene layer.
4. high-barrier pure water according to claim 1 packs co-extrusion film, it is characterised in that high-barrier pure water packaging is altogether
The thickness of extruded film is 40～200 μm.
5. high-barrier pure water according to claim 1 packs co-extrusion film, it is characterised in that co-extrusion intercepts film layer and includes one
Layer ethylene-vinyl alcohol copolymer oxidation prevention layer, at least side of ethylene-vinyl alcohol copolymer oxidation prevention layer is provided with polyamide enhancing
Layer, co-extrusion is intercepted between film layer and theca externa and theca externa respectively by adhesive linkage connection.
6. high-barrier pure water according to claim 1 packs co-extrusion film, it is characterised in that co-extrusion intercepts film layer and includes two
Layer ethylene-vinyl alcohol copolymer oxidation prevention layer, is provided with polyamide enhancement layer between ethylene-vinyl alcohol copolymer oxidation prevention layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992453.1U CN206125829U (en) | 2016-08-31 | 2016-08-31 | High resistant separates pure water packing coextrusion film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992453.1U CN206125829U (en) | 2016-08-31 | 2016-08-31 | High resistant separates pure water packing coextrusion film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206125829U true CN206125829U (en) | 2017-04-26 |
Family
ID=58565337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620992453.1U Active CN206125829U (en) | 2016-08-31 | 2016-08-31 | High resistant separates pure water packing coextrusion film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206125829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056413A1 (en) * | 2017-09-19 | 2019-03-28 | 江阴申隆包装材料有限公司 | High-barrier packaging film for large-capacity automatic liquid filling machine and manufacturing method therefor |
-
2016
- 2016-08-31 CN CN201620992453.1U patent/CN206125829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056413A1 (en) * | 2017-09-19 | 2019-03-28 | 江阴申隆包装材料有限公司 | High-barrier packaging film for large-capacity automatic liquid filling machine and manufacturing method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 214400 No.2 Tonggang Road, Changjing Town, Jiangyin, Wuxi, Jiangsu Province Patentee after: Shenghui New Material Co.,Ltd. Address before: 214400 No.2 Tonggang Road, Changjing Town, Jiangyin, Wuxi, Jiangsu Province Patentee before: Shenghui new materials Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 214400 No.2 Tonggang Road, Changjing Town, Jiangyin, Wuxi, Jiangsu Province Patentee after: Shenghui new materials Co.,Ltd. Address before: 214400 No.2 Tonggang Road, Changjing Industrial Park, Jiangyin, Wuxi, Jiangsu Province Patentee before: JIANGYIN SUNRISE PACKAGING MATERIAL Co.,Ltd. |