CN108321315A - New type power lithium battery aluminum-plastic film - Google Patents
New type power lithium battery aluminum-plastic film Download PDFInfo
- Publication number
- CN108321315A CN108321315A CN201810219342.0A CN201810219342A CN108321315A CN 108321315 A CN108321315 A CN 108321315A CN 201810219342 A CN201810219342 A CN 201810219342A CN 108321315 A CN108321315 A CN 108321315A
- Authority
- CN
- China
- Prior art keywords
- layer
- aluminium foil
- lithium battery
- new type
- type power
- 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.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- 239000002985 plastic film Substances 0.000 title claims abstract description 14
- 229920006255 plastic film Polymers 0.000 title claims abstract description 14
- 239000010410 layer Substances 0.000 claims abstract description 121
- 239000005030 aluminium foil Substances 0.000 claims abstract description 39
- 239000011241 protective layer Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 24
- 239000012790 adhesive layer Substances 0.000 claims abstract description 14
- 239000012528 membrane Substances 0.000 claims abstract description 13
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 13
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 239000011148 porous material Substances 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 7
- 230000001070 adhesive effect Effects 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 229920002635 polyurethane Polymers 0.000 claims abstract description 7
- 239000004814 polyurethane Substances 0.000 claims abstract description 7
- 239000004952 Polyamide Substances 0.000 claims abstract description 6
- 239000004743 Polypropylene Substances 0.000 claims abstract description 6
- 229920002647 polyamide Polymers 0.000 claims abstract description 6
- 229920001155 polypropylene Polymers 0.000 claims abstract description 6
- 238000012986 modification Methods 0.000 claims abstract description 5
- 230000004048 modification Effects 0.000 claims abstract description 5
- 229920000573 polyethylene Polymers 0.000 claims abstract description 5
- 239000004698 Polyethylene Substances 0.000 claims abstract description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract 2
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract 2
- 230000035515 penetration Effects 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 claims 4
- 238000000280 densification Methods 0.000 claims 1
- 239000012466 permeate Substances 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 239000004033 plastic Substances 0.000 abstract description 10
- 229920003023 plastic Polymers 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000002955 isolation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000002579 anti-swelling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 150000005686 dimethyl carbonates Chemical class 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000005487 naphthalate group Chemical group 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- 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
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B7/02—Physical, chemical or physicochemical properties
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to dynamic lithium battery technical fields; especially a kind of new type power lithium battery aluminum-plastic film; including being followed successively by protection outer layer, adhesive layer, process layer, aluminium foil layer, special protective layer, multi-functional internal layer from outer surface to inner surface; the polyethylene terephthalate or polyamide film that protection outer layer is; adhesive layer is the adhesive for polyurethane of modification; process layer is nano-pore into aperture layer; aluminium foil layer is alloy aluminium foil; special protective layer is dense film protective layer, and multi-functional internal layer is polypropylene or polyethylene film.With the above structure, the structure of process layer of the invention can improve the extexine of aluminum-plastic composite membrane and the bond effect of middle layer, the phenomenon that significantly enhancing the ductility of aluminum-plastic composite membrane and improve extexine absciss layer.Special protective layer is combined with the structure of multi-functional internal layer, can improve the combination effect of hot sealing layer and isolation layer, and isolation layer has strong chemical-resistance.
Description
Technical field
The present invention relates to dynamic lithium battery technical field, especially a kind of new type power lithium battery aluminum-plastic film.
Background technology
With the demand for development of mobile or middle-size and small-size energy storage device, the especially dynamic lithium battery to various shapes state
Application development requirement, be badly in need of it is a kind of can high-freedom degree it is moulding and conveniently the housing material that battery core is packaged is produced
Come, but general aluminum-plastic composite membrane can not reach following requirement.
Contain lithium hexafluoro phosphate in the electrolyte used due to poly-lithium battery, the compound is unstable, by outer
Strong acid can be decomposited after portion's heating, moisture intrusion etc..Therefore there is pole to the whole isolation performance and internal layer corrosion resistance of material
Strong requirement.Meanwhile because the electrolyte of battery core is liquid presence, wherein containing small molecule solvents such as dimethyl carbonates, to general
Polyester material have strong Swelling Capacity, the combined strength bination to internal layer can be made to be gradually reduced, in addition be detached from.Thus also require internal layer
Material has anti-Swelling Capacity and strong combined strength bination.And because of the use environment of battery, also require outsourcing material to have strong puncture resistant
Property and folding quality.And to the punch forming of material, then being requirement aluminum-plastic composite membrane has good ductility.
101992570 A of Chinese invention patent CN disclose a kind of aluminum-plastic membrane used for packaging lithium battery, including protective layer, aluminium foil
Layer and hot sealing layer, and met respectively by cementing layer bonding between the protective layer and aluminium foil layer and hot sealing layer and aluminium foil layer,
Between the protective layer and aluminium foil layer and hot sealing layer and aluminium foil layer by cementing layer bond it is compound before, the protective layer, aluminium foil
The processing of plasma technique surface grafting is respectively adopted in layer and hot sealing layer material surface, then again the protective layer and aluminium foil
It is compound that layer and aluminium foil layer and hot pressing layer carry out hot pressing with the two sides of a cementing layer respectively.
Invention content
The technical problem to be solved in the invention is to provide a kind of dynamic lithium battery aluminum plastic film with good ductility.
In order to solve the above technical problems, the new type power lithium battery aluminum-plastic film of the present invention, from outer surface to inner surface successively
The poly- terephthaldehyde for being for protection outer layer, adhesive layer, process layer, aluminium foil layer, special protective layer, multi-functional internal layer, protection outer layer
The composite membrane of sour glycol ester, polyamide film one of which or both, adhesive layer are the adhesive for polyurethane of modification, process layer
Be nano-pore into aperture layer, aluminium foil layer is alloy aluminium foil, and special protective layer is dense film protective layer, multi-functional internal layer be polypropylene or
Polyethylene film.
Further, the protection outer layer thickness is 15 ~ 35 μm.
Further, the aluminium foil layer thickness is 30 ~ 50 μm.
Further, the multi-functional internal layer thickness is 40 ~ 93 μm.
Further, the pore-forming of the process layer infiltrates into intermediate aluminium foil layer, but is not formed and penetrated, and nano-pore aperture is
100 ~ 300nm, penetration depth are 300 ~ 700nm.
Further, the compact film of the special protective layer is that homogeneous particle arranges to be formed, and grain size is 200 ~ 300nm.
With the above structure, the structure of process layer of the invention can improve the extexine and middle layer of aluminum-plastic composite membrane
Bond effect, significantly enhance aluminum-plastic composite membrane ductility and improve extexine absciss layer the phenomenon that.Special protection
Layer is combined with the structure of multi-functional internal layer, can improve the combination effect of hot sealing layer and isolation layer, and isolation layer has strong chemically-resistant
Performance.
Description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of new type power lithium battery aluminum-plastic film of the present invention.
Fig. 2 is process layer of the present invention-aluminium foil layer pore-forming schematic diagram.
Fig. 3 is the special protective layer film forming schematic diagram of aluminium foil layer-of the present invention.
In figure：1 is protection outer layer, and 2 be adhesive layer, and 3 be process layer, and 4 be aluminium foil layer, and 5 be special protective layer, and 6 be more work(
It can internal layer.
Specific implementation mode
As shown in Fig. 1, Fig. 2 and Fig. 3, new type power lithium battery aluminum-plastic film of the invention, from outer surface to inner surface successively
For protection outer layer 1, adhesive layer 2, process layer 3, aluminium foil layer 4, special protective layer 5, multi-functional internal layer, protection outer layer 1 is poly- to benzene
The composite membrane of naphthalate, polyamide film one of which or both, adhesive layer 2 are the adhesive for polyurethane of modification,
Process layer 3 is nano-pore into aperture layer, and aluminium foil layer 4 is alloy aluminium foil, and special protective layer 5 is dense film protective layer, multi-functional internal layer 6
For polypropylene or polyethylene film.
Embodiment one：
A kind of aluminum-plastic composite membrane, structure are followed successively by protection outer layer 1, adhesive layer 2, process layer 3, aluminium foil layer from outer surface to internal layer
4, special protective layer 5, multi-functional internal layer 6, protection outer layer 1 are the polyamide film that thickness is 25 μm；Adhesive layer 2 is polyurethane adhesive
Glutinous agent；Process layer 3 is nanometer micropore process layer, which infiltrates into intermediate aluminium foil layer 4, do not formed and penetrated, nano-pore hole
Diameter is 100 ~ 300nm, and penetration depth is 300 ~ 700nm；The alloy aluminium foil that aluminium foil layer 4 is 40 μm；Special protective layer 5 is homogeneous
The compact film that grain arrangement is formed, grain size are 200 ~ 300nm；It is 46 μm that multi-functional internal layer 6, which uses polypropylene material, thickness,.
Embodiment two：
A kind of aluminum-plastic composite membrane, structure are followed successively by protection outer layer 1, adhesive layer 2, process layer 3, aluminium foil layer from outer surface to internal layer
4, special protective layer 5, multi-functional internal layer 6, protection outer layer 1 are the polyamide film that thickness is 25 μm；Adhesive layer 2 is polyurethane adhesive
Glutinous agent；Process layer 3 is nanometer micropore process layer, which infiltrates into intermediate aluminium foil layer 4, do not formed and penetrated, nano-pore hole
Diameter is 100 ~ 300nm, and penetration depth is 300 ~ 700nm；The alloy aluminium foil that aluminium foil layer 4 is 40 μm；Special protective layer 5 is homogeneous
The compact film that grain arrangement is formed, grain size are 200 ~ 300nm；It is 46 μm that multi-functional internal layer 6, which uses polythene material, thickness,.
Embodiment three：
A kind of aluminum-plastic composite membrane, structure are followed successively by protection outer layer 1, adhesive layer 2, process layer 3, aluminium foil layer from outer surface to internal layer
4, special protective layer 5, multi-functional internal layer 6, protection outer layer 1 are the pet film that thickness is 25 μm；It is viscous
Knot layer 2 is adhesive for polyurethane；Process layer 3 is nanometer micropore process layer, which infiltrates into intermediate aluminium foil layer 4, non-shape
At penetrating, nano-pore aperture is 100 ~ 300nm, and penetration depth is 300 ~ 700nm；The alloy aluminium foil that aluminium foil layer 4 is 40 μm；It is special
Protective layer 5 is that homogeneous particle is arranged the compact film to be formed, and grain size is 200 ~ 300nm；Multi-functional internal layer 6 uses polypropylene material
Material, thickness are 85 μm.
Although specific embodiments of the present invention have been described above, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from the principle and substance of the present invention,
Protection scope of the present invention is only limited by the claims that follow.
Claims (6)
1. a kind of new type power lithium battery aluminum-plastic film, it is characterised in that：Including be followed successively by from outer surface to inner surface protection outer layer,
Adhesive layer, process layer, aluminium foil layer, special protective layer, multi-functional internal layer, the polyethylene terephthalate that protection outer layer is are thin
The composite membrane of film, polyamide film one of which or both, adhesive layer are the adhesive for polyurethane of modification, and process layer is nano-pore
At aperture layer, aluminium foil layer is alloy aluminium foil, and special protective layer is dense film protective layer, and multi-functional internal layer is that polypropylene or polyethylene are thin
Film.
2. new type power lithium battery aluminum-plastic film described in accordance with the claim 1, it is characterised in that：The protection outer layer thickness is 15
~35μm。
3. new type power lithium battery aluminum-plastic film described in accordance with the claim 1, it is characterised in that：The aluminium foil layer thickness be 30 ~
50μm。
4. new type power lithium battery aluminum-plastic film described in accordance with the claim 1, it is characterised in that：The multi-functional internal layer thickness is
40~93μm。
5. new type power lithium battery aluminum-plastic film described in accordance with the claim 1, it is characterised in that：The pore-forming of the process layer permeates
It to intermediate aluminium foil layer, but is not formed and is penetrated, nano-pore aperture is 100 ~ 300nm, and penetration depth is 300 ~ 700nm.
6. new type power lithium battery aluminum-plastic film described in accordance with the claim 1, it is characterised in that：The densification of the special protective layer
Film layer is that homogeneous particle arranges to be formed, and grain size is 200 ~ 300nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219342.0A CN108321315A (en) | 2018-03-16 | 2018-03-16 | New type power lithium battery aluminum-plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219342.0A CN108321315A (en) | 2018-03-16 | 2018-03-16 | New type power lithium battery aluminum-plastic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108321315A true CN108321315A (en) | 2018-07-24 |
Family
ID=62897879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810219342.0A Pending CN108321315A (en) | 2018-03-16 | 2018-03-16 | New type power lithium battery aluminum-plastic film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321315A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367155A (en) * | 2018-10-18 | 2019-02-22 | 常州斯威克光伏新材料有限公司 | A kind of dynamic lithium battery aluminum plastic film and preparation method thereof |
| CN110065283A (en) * | 2019-04-02 | 2019-07-30 | 江阴长庚高科技材料有限公司 | Anti- removing lithium battery sealed membrane and preparation method thereof and its aluminum-plastic composite membrane |
| CN112123900A (en) * | 2020-09-28 | 2020-12-25 | 广东东溢新材料科技有限公司 | Aluminum-plastic film and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1314008A (en) * | 1999-04-08 | 2001-09-19 | 大日本印刷株式会社 | meterial for packaging cell, bag for packaging cell, and its production method |
| CN103496203A (en) * | 2013-09-29 | 2014-01-08 | 江苏中金玛泰医药包装有限公司 | Lithium ion battery aluminum-plastic film prepared by utilizing hot melt glue coating process |
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-
2018
- 2018-03-16 CN CN201810219342.0A patent/CN108321315A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109367155A (en) * | 2018-10-18 | 2019-02-22 | 常州斯威克光伏新材料有限公司 | A kind of dynamic lithium battery aluminum plastic film and preparation method thereof |
| CN110065283A (en) * | 2019-04-02 | 2019-07-30 | 江阴长庚高科技材料有限公司 | Anti- removing lithium battery sealed membrane and preparation method thereof and its aluminum-plastic composite membrane |
| CN112123900A (en) * | 2020-09-28 | 2020-12-25 | 广东东溢新材料科技有限公司 | Aluminum-plastic film and preparation method thereof |
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