CN206510507U - A kind of ultralow heat-sealing composite package film of high-barrier - Google Patents
A kind of ultralow heat-sealing composite package film of high-barrier Download PDFInfo
- Publication number
- CN206510507U CN206510507U CN201720175165.1U CN201720175165U CN206510507U CN 206510507 U CN206510507 U CN 206510507U CN 201720175165 U CN201720175165 U CN 201720175165U CN 206510507 U CN206510507 U CN 206510507U
- Authority
- CN
- China
- Prior art keywords
- layer
- barrier
- layers
- polyamide
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 43
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 239000010410 layer Substances 0.000 claims abstract description 157
- 230000004888 barrier function Effects 0.000 claims abstract description 53
- 239000004698 Polyethylene Substances 0.000 claims abstract description 36
- -1 polyethylene Polymers 0.000 claims abstract description 36
- 229920000573 polyethylene Polymers 0.000 claims abstract description 36
- 239000004952 Polyamide Substances 0.000 claims abstract description 30
- 229920002647 polyamide Polymers 0.000 claims abstract description 30
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims abstract description 29
- 239000011241 protective layer Substances 0.000 claims abstract description 24
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims abstract description 8
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000002787 reinforcement Effects 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000011261 inert gas Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 229920006284 nylon film Polymers 0.000 claims description 5
- 239000012790 adhesive layer Substances 0.000 claims description 4
- 229920001684 low density polyethylene Polymers 0.000 claims description 3
- 239000004702 low-density polyethylene Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 210000002435 tendon Anatomy 0.000 claims description 2
- 229920002292 Nylon 6 Polymers 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000012785 packaging film Substances 0.000 abstract description 21
- 229920006280 packaging film Polymers 0.000 abstract description 21
- 239000012528 membrane Substances 0.000 description 6
- 238000004806 packaging method and process Methods 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000003854 Surface Print Methods 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 229920006266 Vinyl film Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000005021 flexible packaging material Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide Substances NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model discloses a kind of ultralow heat-sealing composite package film of high-barrier, including protective layer, barrier layer and hot sealing layer, the top of the protective layer is pasted with printing layer by alite paste, the bottom of protective layer is provided with barrier layer, the barrier layer includes PA layers of the first polyamide, second PA layers of polyamide and ethylene-vinyl alcohol copolymer EVOH barrier layer, and ethylene-vinyl alcohol copolymer EVOH barrier layer is located between PA layers of PA layers of the first polyamide and the second polyamide and combined with PA layers of the first polyamide and the mutual co-extrusion of PA layers of the second polyamide, the hot sealing layer includes the first polyethylene film layer, second polyethylene film layer and modified poly ethylene film layer.The utility model substantially increases the barrier of packaging film, gas barrier property, hinders moist, and dress can keep the quality of packed article for a long time, extend the term of validity of guaranteeing the quality of packed article.
Description
Technical field
The utility model is related to packaging technical field of membrane, specially a kind of ultralow heat-sealing composite package film of high-barrier.
Background technology
At present, food and drug packing material manufacture have started to step into the high-tech industry field of worldwide concern, at me
The plastic flexible packaging material and its manufacturing technology of state, food and medicine have also obtained suitable attention and development.
In the prior art, many packaging bags are made up of plastic-aluminum combined composite membrane, can so meet surface printing,
Light blocking and block water to wait and require, but the hot sealing layer of this composite membrane typically uses polyethylene film material, polyethylene it is sticky very
Greatly, once after heat-sealing, then may result in and very strong adhesion is produced between two layers of composite membrane, consumer be difficult when in use
Two layers of composite membrane is opened under general force state, therefore manufacturer can only beat tearable mouth in packaging bag, but tearing
Still occur during packaging bag it is random tear mouth or tear difficulty, and easily wire drawing, chip are produced when tearing, so as to make
Into medicine, food, medicine equipment secondary pollution.
Utility model content
The purpose of this utility model is to provide a kind of high-barrier ultralow heat-sealing composite package film, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：A kind of ultralow heat-sealing composite packaging of high-barrier
Film, including protective layer, barrier layer and hot sealing layer, the top of the protective layer are pasted with printing layer by alite paste, protective layer
Bottom is provided with barrier layer, and the junction interruption of barrier layer and protective layer is equidistant provided with crisscross reinforcement, described to add
The adhesive layer that strengthening tendons is provided with by both sides is closely connected with protective layer and barrier layer respectively, and shape between crisscross reinforcement
Into coffin in provided with nanometer bubble, the barrier layer include PA layers of the first polyamide, PA layers of the second polyamide and ethene-
Ethenol copolymer EVOH barrier layer, and ethylene-vinyl alcohol copolymer EVOH barrier layer is located at PA layer of the first polyamide and second
Combined between PA layers of polyamide and with PA layers of the first polyamide and the mutual co-extrusion of PA layers of the second polyamide, the bottom of the barrier layer
Provided with hot sealing layer, the junction of barrier layer and hot sealing layer is provided with nano ceramics thermal insulation layer, and hot sealing layer includes the first polyethylene film
Layer, the second polyethylene film layer and modified poly ethylene film layer.
It is preferred that, the inside of the nanometer bubble is filled with inert gas.
It is preferred that, the reinforcement is strip nylon film layer.
It is preferred that, first polyethylene film layer and the second polyethylene film layer are low density polyethylene films layer, and are modified
Polyethylene film layer is blend film layer.
It is preferred that, the thickness of the protective layer is 12 μm, and the thickness of barrier layer is 9 μm, and the thickness of hot sealing layer is 50 μm.
Compared with prior art, the beneficial effects of the utility model are：The ultralow heat-sealing composite package film of the high-barrier, passes through
Protective layer with barrier interlayer set up crisscross strip nylon film layer, effectively enhance packaging film tensile strength,
Elongation and tearing strength, so that the overall flexibility of the packaging film improved, meanwhile, it is provided between crisscross reinforcement
The nanometer bubble of inert gas is filled, the resistance to elevated temperatures of packaging film is effectively increased, moise-heat sterilization can be carried out at high temperature, and
The barrier layer for being combined with ethylene-vinyl alcohol copolymer EVOH barrier layer in the middle of two layers of polyamide PA and constituting is employed, due to poly-
Both acid amides PA and ethylene-vinyl alcohol copolymer EVOH compatibilities are good, just can be very good without any adhesive between the two
Co-extrusion is combined, meanwhile, the polyamide PA fragility defects that also effectively improvement ethylene-vinyl alcohol copolymer EVOH barrier layer is present,
Be allowed to toughness enhancing so that packaging film not cracky, be layered, be swelled, and hot sealing layer is also by the first film layer, second
Film layer and the structure of modified poly ethylene film layer co-extrusion formation, make the heat seal strength of packaging film be easily controlled suitable
In suitable scope, that is, reach and easily open performance, and can keep good sealing property, even and if modified poly ethylene layer divide
Layer phenomenon, the first polyethylene film layer, the second polyethylene film layer can also produce sealing function at layering, have packaging film good
Sealing effectiveness, the utility model substantially increases the barrier of packaging film, gas barrier property, hinders moist, and dress can keep quilt for a long time
The quality of packing material, extends the term of validity of guaranteeing the quality of packed article.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is partial structural diagram of the present utility model.
In figure：1- printing layers；2- protective layers；3- reinforcements；4- nanometers of bubbles；5- adhesive layers；PA layers of the first polyamide of 6-；7-
Ethylene-vinyl alcohol copolymer EVOH barrier layer；PA layers of the second polyamide of 8-；9- nano ceramics thermal insulation layers；The polyethylene films of 10- first
Layer；The polyethylene film layers of 11- second；12- modified poly ethylene film layers；13- hot sealing layers；14- barrier layers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-2, a kind of embodiment that the utility model is provided：A kind of ultralow heat-sealing composite package film of high-barrier,
Including protective layer 2, barrier layer 14 and hot sealing layer 13, the top of protective layer 2 is pasted with printing layer 1 by alite paste, protective layer 2
Bottom is provided with barrier layer 14, and the junction interruption of barrier layer 14 and protective layer 2 is equidistant provided with crisscross reinforcement 3,
The adhesive layer 5 that reinforcement 3 is provided with by both sides is closely connected with protective layer 2 and barrier layer 14 respectively, and crisscross reinforcement
Provided with nanometer bubble 4 in the coffin formed between muscle 3, the nanometer bubble 4 of filling inert gas is effectively increased packaging film
Resistance to elevated temperatures, moise-heat sterilization can be carried out at high temperature, and barrier layer 14 includes the first polyamide PA layers 6, the second polyamide PA layers 8
And ethylene-vinyl alcohol copolymer EVOH barrier layer 7, and ethylene-vinyl alcohol copolymer EVOH barrier layer 7 is located at the first polyamide
Combined, gathered between PA layers 6 and the second polyamide PA layers 8 and with the first polyamide PA layers 6 and the mutual co-extrusion of the second polyamide PA layers 8
Acid amides PA effectively improves the fragility defect of ethylene-vinyl alcohol copolymer EVOH presence, is allowed to the toughness enhancing of packaging film so that
Packaging film not cracky, be layered, be swelled so that substantially increase the barrier of packaging film, gas barrier property, hinder it is moist, can be long-term
The quality of packed article is kept, extends the term of validity of guaranteeing the quality of packed article, the bottom of barrier layer 14 is provided with hot sealing layer 13, barrier layer
14 are provided with nano ceramics thermal insulation layer 9 with the junction of hot sealing layer 13, and nano ceramics thermal insulation layer 9 is with true by titanium nitride ceramic material
Empty sputtering technology forms nano level ceramic layer on barrier layer 14, and the ceramic thermal barrier layer formed by, chemical stabilization is difficult
Oxidation, it is to avoid barrier layer 14 can cause to damage during heat-sealing, and hot sealing layer 13 includes the first polyethylene film layer 10, the second polyethylene film
Layer 11 and modified poly ethylene film layer 12, the inside of nanometer bubble 4 are filled with inert gas, and reinforcement 3 is strip nylon film layer,
Nylon membrane is a class high-strength tenacity plastic foil, with higher tensile strength, elongation and tearing strength, the first polyethylene film layer
10 and second polyethylene film layer 11 be low density polyethylene films layer, and modified poly ethylene film layer 12 is blend film layer, modified
There is lamination in polyethylene layer 12, and the first polyethylene film layer 10 and the second polyethylene film layer 11 can also produce sealing at layering
Effect, makes packaging film have good sealing effectiveness, the thickness of protective layer 2 is 12 μm, the thickness of barrier layer 14 is 9 μm, and heat
The thickness of sealing 13 is 50 μm.
Operation principle：The high-barrier is ultralow to seal composite package film when in use, because hot sealing layer 13 is by the first polyethylene
The structure of film layer 10, the second film layer 11 and the formation of the co-extrusion of modified poly ethylene film layer 12, when using packaging film
Heat seal strength be easily controlled in suitable scope, even and if there is lamination in modified poly ethylene layer 12, first gathers
The polyethylene film layer 11 of vinyl film 10 and second can also produce sealing function at layering, packaging film is had good sealing effect
Really, meanwhile, barrier layer 14 by the first polyamide PA layers 6, the second polyamide PA layers 8 and ethylene-vinyl alcohol copolymer EVOH hinder
The co-extrusion of interlayer 7 is combined to form, and polyamide PA effectively improves the fragility defect of ethylene-vinyl alcohol copolymer EVOH presence, is allowed to
Packaging film toughness enhancing so that packaging film not cracky, be layered, be swelled so that substantially increase the barrier of packaging film, resistance
Gas, resistance are moist, and the quality of packed article can be kept for a long time, extend the term of validity of guaranteeing the quality of packed article, protective layer 2 and barrier
The reinforcement 3 of crisscross strip nylon film layer formation is set up between layer 14, effectively enhance packaging film tensile strength,
Elongation and tearing strength, so that the overall flexibility of the packaging film improved, meanwhile, set between crisscross reinforcement 3
There is the nanometer bubble 4 of filling inert gas, be effectively increased the resistance to elevated temperatures of packaging film, steam can be carried out at high temperature and disappeared
Poison.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of ultralow heat-sealing composite package film of high-barrier, including protective layer (2), barrier layer (14) and hot sealing layer (13), it is special
Levy and be：The top of the protective layer (2) is pasted with printing layer (1) by alite paste, and the bottom of protective layer (2) is provided with barrier layer
(14), and barrier layer (14) and protective layer (2) junction interruption it is equidistant be provided with crisscross reinforcement (3), it is described plus
The adhesive layer (5) that strengthening tendons (3) is provided with by both sides is closely connected with protective layer (2) and barrier layer (14) respectively, and crisscross
Reinforcement (3) between include PA layers of the first polyamide provided with nanometer bubble (4), the barrier layer (14) in the coffin that is formed
(6), the second polyamide PA layers (8) and ethylene-vinyl alcohol copolymer EVOH barrier layer (7), and ethylene-vinyl alcohol copolymer
EVOH barrier layer (7) be located between the first polyamide PA layers (6) and PA layers of the second polyamide (8) and with PA layers of the first polyamide
(6) combined with PA layers of the second polyamide (8) mutually co-extrusion, the bottom of the barrier layer (14) is provided with hot sealing layer (13), barrier layer
(14) nano ceramics thermal insulation layer (9) is provided with the junction of hot sealing layer (13), and hot sealing layer (13) includes the first polyethylene film layer
(10), the second polyethylene film layer (11) and modified poly ethylene film layer (12).
2. the ultralow heat-sealing composite package film of a kind of high-barrier according to claim 1, it is characterised in that：The nanometer bubble
(4) inside is filled with inert gas.
3. the ultralow heat-sealing composite package film of a kind of high-barrier according to claim 1, it is characterised in that：The reinforcement
(3) it is strip nylon film layer.
4. the ultralow heat-sealing composite package film of a kind of high-barrier according to claim 1, it is characterised in that：The first poly- second
Alkene film layer (10) and the second polyethylene film layer (11) are low density polyethylene films layer, and modified poly ethylene film layer (12) is blending
Thing film layer.
5. the ultralow heat-sealing composite package film of a kind of high-barrier according to claim 1, it is characterised in that：The protective layer
(2) thickness is 12 μm, and the thickness of barrier layer (14) is 9 μm, and the thickness of hot sealing layer (13) is 50 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175165.1U CN206510507U (en) | 2017-02-27 | 2017-02-27 | A kind of ultralow heat-sealing composite package film of high-barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720175165.1U CN206510507U (en) | 2017-02-27 | 2017-02-27 | A kind of ultralow heat-sealing composite package film of high-barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206510507U true CN206510507U (en) | 2017-09-22 |
Family
ID=59869064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720175165.1U Expired - Fee Related CN206510507U (en) | 2017-02-27 | 2017-02-27 | A kind of ultralow heat-sealing composite package film of high-barrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206510507U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230878A (en) * | 2017-12-29 | 2018-06-29 | 杭州欢伯生物技术有限公司 | Label for alcoholic beverages container and preparation method thereof |
| CN108527987A (en) * | 2018-04-08 | 2018-09-14 | 常州钟恒新材料有限公司 | Release film in a kind of improved B OPET coating |
| CN108545317A (en) * | 2018-04-08 | 2018-09-18 | 常州钟恒新材料有限公司 | A kind of heat sealable formula PET composite membranes of modified |
| CN108544818A (en) * | 2018-04-08 | 2018-09-18 | 常州钟恒新材料有限公司 | A kind of improved B OPET coatings release film |
| CN108638680A (en) * | 2018-04-08 | 2018-10-12 | 常州钟恒新材料有限公司 | A kind of modified PET gilding films |
-
2017
- 2017-02-27 CN CN201720175165.1U patent/CN206510507U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108230878A (en) * | 2017-12-29 | 2018-06-29 | 杭州欢伯生物技术有限公司 | Label for alcoholic beverages container and preparation method thereof |
| CN108230878B (en) * | 2017-12-29 | 2019-04-05 | 浙江中域科技股份有限公司 | Label and preparation method thereof for alcoholic beverages container |
| CN108527987A (en) * | 2018-04-08 | 2018-09-14 | 常州钟恒新材料有限公司 | Release film in a kind of improved B OPET coating |
| CN108545317A (en) * | 2018-04-08 | 2018-09-18 | 常州钟恒新材料有限公司 | A kind of heat sealable formula PET composite membranes of modified |
| CN108544818A (en) * | 2018-04-08 | 2018-09-18 | 常州钟恒新材料有限公司 | A kind of improved B OPET coatings release film |
| CN108638680A (en) * | 2018-04-08 | 2018-10-12 | 常州钟恒新材料有限公司 | A kind of modified PET gilding films |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206510507U (en) | A kind of ultralow heat-sealing composite package film of high-barrier | |
| JP7459986B2 (en) | Laminate for hand-tearable packages having a sealant layer containing plant-derived polyethylene | |
| JP2018167860A (en) | Tube container | |
| CN106739356A (en) | A kind of multi-layer co-extruded shrink film and production technology | |
| WO2021049385A1 (en) | Sheet material container | |
| JP2001502261A (en) | RF sealable pillow pouch | |
| TW202003785A (en) | Liquid-repellent layer forming resin composition, and liquid-repellent film, liquid-repellent laminate, packaging material, and container using same | |
| CN105172287B (en) | A kind of cast polypropylene film | |
| JP5215791B2 (en) | Easy-to-open deep-drawn package | |
| CN207345171U (en) | A kind of heat shrink films suitable for the automatic fast package of production line | |
| JP2001253028A (en) | Multi-layer film and package | |
| CN102229269A (en) | Transparent steaming and boiling-resistant film and its preparation method | |
| CN105856775A (en) | Low-temperature, heat-sealing and inflation-resistant CPP aluminum-plated film and preparation method thereof | |
| JP4450639B2 (en) | Microwave cooking bag | |
| CN108973258A (en) | A kind of large capacity liquid asepsis packaging composite film | |
| JP2019014043A (en) | Laminated body and packaging bag using the same | |
| CN104477509B (en) | A kind of black and white preservative film composite packaging | |
| CN205219968U (en) | A kind of packaging material for easily tearable facial mask bag | |
| JP2014162162A (en) | Easily peelable multilayer film and easily peelable medical package | |
| CN104476879A (en) | Film easy to uncover and application method of film | |
| KR101107963B1 (en) | Secondary pouch for medical sap bag | |
| JP2008302977A (en) | Packaging film excellent in heat resistance and heat sealability | |
| JP6855095B1 (en) | Filling and packaging method for solid-containing objects to be packaged in a plastic packaging bag | |
| CN111819237A (en) | Resin composition for sealing, multilayer film for sealing, heat-fusible laminated film, and package | |
| JP2005289471A (en) | Packaging film excellent in heat resistance and heat sealing capability |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20210227 |