CN208521971U - Corrosion-resistant impermeabilisation aluminum-plastic composite membrane - Google Patents
Corrosion-resistant impermeabilisation aluminum-plastic composite membrane Download PDFInfo
- Publication number
- CN208521971U CN208521971U CN201820822356.7U CN201820822356U CN208521971U CN 208521971 U CN208521971 U CN 208521971U CN 201820822356 U CN201820822356 U CN 201820822356U CN 208521971 U CN208521971 U CN 208521971U
- Authority
- CN
- China
- Prior art keywords
- film
- layer
- corrosion
- thickness
- aluminum
- 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.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model discloses a kind of corrosion-resistant impermeabilisation aluminum-plastic composite membranes; including aluminium foil film; the aluminium foil film from inside to outside successively it is compound enter electrolytic passivation protective film, the composite adhered film of internal layer and polypropylene film; the aluminium foil film outer layer is passivated to form the electrolytic passivation protective film by hydrofluoric acid treatment; the composite adhered film inner layer of internal layer sticks on the electrolytic passivation protective film outer layer; the composite adhered film outer layer compound sticking of internal layer enters the polypropylene film, and the composite adhered film of internal layer includes adhesive resin layer, phosphatization protective layer and adhesive layer.Through the above way; the utility model can be improved the corrosion-resistant and anti-permeability performance of aluminum plastic film; aluminum plastic film aluminum interlayer paper tinsel film passes through anti-corrosion treatment; it forms passivation protection film anticorrosion and carries out combined processing with polypropylene film again; improve the puncture resistance of aluminum plastic film; the composite adhered film hydrofluoric acid corrosion resistance of the internal layer of aluminum plastic film is still able to maintain very high peel strength after 85 DEG C of electrolyte impregnate.
Description
Technical field
The utility model relates to aluminum plastic film fields, more particularly to a kind of corrosion-resistant impermeabilisation aluminum-plastic composite membrane.
Background technique
With China's expanding economy, global lithium battery demand cumulative year after year with the continuous extension of application field.
China has been the lithium battery big producer for being only second to Japan, and the market growth space is huge.According to CCID Consulting, it is expected that China's battery is new
Material market has reached 15,300,000,000 yuan in 2011 for 37% compound growth rate Fast Growth.But due to polymer lithium from
The composite soft packaging material that sub- battery flexible packing material is made of aluminium foil, a variety of plastic foils and adhesive (including adhesive resin)
Material, it to the liquid chemicals such as corrosive acid, alkali, salt or organic solvent stability with higher, its substrate selects,
The design of production technology is the key difficulties of this item.
This project product carries out anti-corrosion treatment to aluminium foil by the dedicated polypropylene film of research and development aluminum plastic film, development and grinds
Study carefully, research and develop the technologies such as the adhesive of hydrofluoric acid corrosion resistance, develops lithium battery Electrical Safety, corrosion-resisting aluminium plastic film, make its item
Energy index reaches design requirement.
Utility model content
The utility model can be improved mainly solving the technical problems that provide a kind of corrosion-resistant impermeabilisation aluminum-plastic composite membrane
The corrosion-resistant and anti-permeability performance of aluminum plastic film, aluminum plastic film aluminum interlayer paper tinsel film pass through anti-corrosion treatment, and it is anti-to form passivation protection film
Then treated corrosion-resistant aluminium foil and polypropylene film are carried out combined processing, improve the puncture resistance of aluminum plastic film by corrosion
And mechanical performance.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of corrosion-resistant impervious
Saturating aluminum-plastic composite membrane, including aluminium foil film, the aluminium foil film from inside to outside successively it is compound enter electrolytic passivation protective film, internal layer it is compound viscous
Film and polypropylene film are closed, the aluminium foil film outer layer is passivated to form the electrolytic passivation protective film by hydrofluoric acid treatment, described
The composite adhered film inner layer of internal layer sticks on the electrolytic passivation protective film outer layer, the composite adhered film outer layer compound sticking of internal layer
Enter the polypropylene film, the composite adhered film of internal layer includes adhesive resin layer, phosphatization protective layer and adhesive layer, described
Phosphatization protective layer is arranged on the inside of the adhesive resin layer, on the inside of the phosphatization protective layer and on the outside of the adhesive resin layer
It is equipped with the adhesive layer, is stained with the adhesive layer between the adhesive resin layer and the phosphatization protective layer.
In one preferred embodiment of the utility model, the electrolytic passivation protective film with a thickness of 20-30 μm, it is described in
The integral thickness of the composite adhered film of layer is 20-40 μm, the polypropylene film with a thickness of 30-50 μm.
In one preferred embodiment of the utility model, the thickness of the composite adhered film of internal layer is greater than the electrolytic passivation
The thickness of protective film.
In one preferred embodiment of the utility model, the thickness of the adhesive layer is respectively less than the adhesive resin layer
With the thickness of the phosphatization protective layer, the thickness of the adhesive resin layer is less than the thickness of the phosphatization protective layer.
The beneficial effects of the utility model are: the utility model can be improved the corrosion-resistant and anti-permeability performance of aluminum plastic film,
Aluminum plastic film aluminum interlayer paper tinsel film passes through anti-corrosion treatment, forms passivation protection film anticorrosion, then will treated corrosion-resisting aluminium
Foil and polypropylene film carry out combined processing, improve the puncture resistance and mechanical performance of aluminum plastic film, and electrolytic passivation is protected
Anticorrosive highly viscous internal layer composite adhered film is set between film and polypropylene film, and the composite adhered film of internal layer is by adhesive resin
Layer, phosphatization protective layer and the compound composition of adhesive layer, phosphatization protective layer can be promoted the composite adhered film of internal layer corrosion resistance and
Anti-permeability performance, the composite adhered film of the internal layer of aluminum plastic film accomplish hydrofluoric acid corrosion resistance, after 85 DEG C of electrolyte impregnate, still
It is able to maintain very high peel strength, and then further promotes the corrosion-resistant anti-permeability performance of aluminum plastic film entirety.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings, in which:
Fig. 1 is the structural schematic diagram of corrosion-resistant one preferred embodiment of impermeabilisation aluminum-plastic composite membrane of the utility model；
Fig. 2 is the structural schematic diagram of composite adhered one preferred embodiment of film of shown internal layer；
The components in the drawings are labeled as follows: 1, aluminium foil film；2, electrolytic passivation protective film；3, the composite adhered film of internal layer；
4, polypropylene film；5, adhesive resin layer；6, phosphatization protective layer；7, adhesive layer.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the implementation in the utility model
Example, all other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment includes:
A kind of corrosion-resistant impermeabilisation aluminum-plastic composite membrane, including aluminium foil film 1, the aluminium foil film 1 from inside to outside successively it is compound enter
The composite adhered film 3 of electrolytic passivation protective film 2, internal layer and polypropylene film 4,1 outer layer of aluminium foil film are blunt by hydrofluoric acid treatment
Change forms the electrolytic passivation protective film 2, and composite adhered 3 internal layer of film of internal layer sticks to 2 outer layer of electrolytic passivation protective film
On, the composite adhered 3 outer layer compound sticking of film of internal layer enters the polypropylene film 4, and the composite adhered film 3 of internal layer includes viscous
Connecing property resin layer 5, phosphatization protective layer 6 and adhesive layer 7, the phosphatization protective layer 6 are arranged in the adhesive resin layer 5
Side is equipped with the adhesive layer 7, the cementability tree on the outside of 6 inside of the phosphatization protective layer and the adhesive resin layer 5
The adhesive layer 7 is stained between rouge layer 5 and the phosphatization protective layer 6.
In addition, the electrolytic passivation protective film 2 with a thickness of 20-30 μm, the integral thickness of the composite adhered film 3 of internal layer
Be 20-40 μm, the polypropylene film 4 with a thickness of 30-50 μm.
In addition, the thickness of the composite adhered film 3 of internal layer is greater than the thickness of the electrolytic passivation protective film 2.
In addition, the thickness of the adhesive layer 7 is respectively less than the thickness of the adhesive resin layer 5 and the phosphatization protective layer 6
Degree, the thickness of the adhesive resin layer 5 are less than the thickness of the phosphatization protective layer 6.
The working principle of the utility model be aluminium foil film 1 from inside to outside successively it is compound enter electrolytic passivation protective film 2, internal layer it is multiple
It closes bonding film 3 and polypropylene film 4,1 outer layer of aluminium foil film is passivated to form electrolytic passivation protective film 2, internal layer by hydrofluoric acid treatment
Composite adhered 3 internal layer of film sticks on 2 outer layer of electrolytic passivation protective film, and the composite adhered film 3 of internal layer includes adhesive resin layer 5, phosphorus
Change protective layer 6 and adhesive layer 7, the setting of phosphatization protective layer 6 is in 5 inside of adhesive resin layer, 6 inside of phosphatization protective layer and bonding
It is equipped with adhesive layer 7 on the outside of property resin layer 5, adhesive layer 7 is stained between adhesive resin layer 5 and phosphatization protective layer 6, gluing
The thickness of oxidant layer 7 is respectively less than the thickness of adhesive resin layer 5 and phosphatization protective layer 6, and the thickness of adhesive resin layer 5 is less than phosphatization
The thickness of protective layer 6.
The composite adhered 3 outer layer compound sticking of film of internal layer enters polypropylene film 4, electrolytic passivation protective film 2 with a thickness of 20-30
μm, the integral thickness of the composite adhered film 3 of internal layer is 20-40 μm, polypropylene film 4 with a thickness of 30-50 μm, internal layer is composite adhered
The thickness of film 3 is greater than the thickness of electrolytic passivation protective film 2, and the aluminum plastic film of the utility model has good corrosion-resistant and impermeabilisation
Performance, aluminum plastic film aluminum interlayer paper tinsel film 1 pass through anti-corrosion treatment, form passivation protection film anticorrosion, then will that treated is resistance to
Corrosive aluminum foil and polypropylene film 4 carry out combined processing, improve the puncture resistance and mechanical performance of aluminum plastic film, and be electrolysed blunt
Change and anticorrosive highly viscous internal layer composite adhered film 3 be set between protective film 2 and polypropylene film 4, the composite adhered film 3 of internal layer by
Adhesive resin layer 5, phosphatization protective layer 6 and the compound composition of adhesive layer 7, phosphatization protective layer 6 can promote the composite adhered film 3 of internal layer
Corrosion resistance and anti-permeability performance, the composite adhered film 3 of the internal layer of aluminum plastic film accomplishes hydrofluoric acid corrosion resistance, by 85 DEG C of electricity
After solving liquid immersion, it is still able to maintain very high peel strength, and then further promote the corrosion-resistant permeability resistance of aluminum plastic film entirety
Energy.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of corrosion-resistant impermeabilisation aluminum-plastic composite membrane, including aluminium foil film, which is characterized in that the aluminium foil film is from inside to outside successively
It is compound enter electrolytic passivation protective film, the composite adhered film of internal layer and polypropylene film, the aluminium foil film outer layer passes through hydrofluoric acid treatment
Passivation forms the electrolytic passivation protective film, and the composite adhered film inner layer of internal layer sticks to the electrolytic passivation protective film outer layer
On, the composite adhered film outer layer compound sticking of internal layer enters the polypropylene film, and the composite adhered film of internal layer includes bonding
Property resin layer, phosphatization protective layer and adhesive layer, the phosphatization protective layer is arranged on the inside of the adhesive resin layer, the phosphorus
Change on the inside of protective layer and is equipped with the adhesive layer, the adhesive resin layer and the phosphorus on the outside of the adhesive resin layer
Change and is stained with the adhesive layer between protective layer.
2. corrosion-resistant impermeabilisation aluminum-plastic composite membrane according to claim 1, which is characterized in that the electrolytic passivation protective film
With a thickness of 20-30 μm, the integral thickness of the composite adhered film of internal layer is 20-40 μm, the polypropylene film with a thickness of
30-50μm。
3. corrosion-resistant impermeabilisation aluminum-plastic composite membrane according to claim 2, which is characterized in that the composite adhered film of internal layer
Thickness be greater than the electrolytic passivation protective film thickness.
4. corrosion-resistant impermeabilisation aluminum-plastic composite membrane according to claim 1, which is characterized in that the thickness of the adhesive layer
The thickness of the thickness of the respectively less than described adhesive resin layer and the phosphatization protective layer, the adhesive resin layer is less than the phosphorus
Change the thickness of protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820822356.7U CN208521971U (en) | 2018-05-30 | 2018-05-30 | Corrosion-resistant impermeabilisation aluminum-plastic composite membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820822356.7U CN208521971U (en) | 2018-05-30 | 2018-05-30 | Corrosion-resistant impermeabilisation aluminum-plastic composite membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208521971U true CN208521971U (en) | 2019-02-19 |
Family
ID=65340318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820822356.7U Active CN208521971U (en) | 2018-05-30 | 2018-05-30 | Corrosion-resistant impermeabilisation aluminum-plastic composite membrane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208521971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381102A (en) * | 2021-05-07 | 2021-09-10 | 厦门大学 | Aluminum plastic film with excellent heat dissipation performance for battery packaging and preparation method thereof |
| CN114843664A (en) * | 2022-03-29 | 2022-08-02 | 佛山市中技烯米新材料有限公司 | Power battery aluminum plastic film |
-
2018
- 2018-05-30 CN CN201820822356.7U patent/CN208521971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113381102A (en) * | 2021-05-07 | 2021-09-10 | 厦门大学 | Aluminum plastic film with excellent heat dissipation performance for battery packaging and preparation method thereof |
| CN114843664A (en) * | 2022-03-29 | 2022-08-02 | 佛山市中技烯米新材料有限公司 | Power battery aluminum plastic film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103647029B (en) | A kind of lithium battery aluminum-plastic film and preparation method | |
| WO2020118794A1 (en) | Aluminum plastic film for encapsulating lithium battery and aluminum foil passivating process for aluminum plastic film | |
| CN208521971U (en) | Corrosion-resistant impermeabilisation aluminum-plastic composite membrane | |
| CN108754472A (en) | A kind of passivating solution suitable for the processing of aluminum plastic film aluminium foil | |
| CN104485430B (en) | A kind of lithium battery flexible packaging film | |
| CN111384316A (en) | Flexible lithium ion battery packaging film, lithium ion battery packaging method and battery | |
| CN204407371U (en) | A kind of method for soft package lithium ion power steel plastic film | |
| CN206254590U (en) | A kind of medical dressing wrapping paper | |
| CN209169199U (en) | A kind of two-sided heat sealable type lithium battery packaging film | |
| CN203213315U (en) | Self-adhesion type macromolecule anti-corrosion waterproof roll | |
| CN108656649B (en) | A kind of soft bag lithium ionic cell aluminum-plastic composite membrane and preparation method thereof | |
| CN204189833U (en) | A kind of high-performance lithium cell aluminum-plastic membrane | |
| CN109233715A (en) | The double-component epoxy adhesive and preparation method thereof of resistance to lithium-ion battery electrolytes | |
| CN203733851U (en) | Lithium battery aluminum-plastic film | |
| CN205542907U (en) | High resistant separates high acidproof type plastic -aluminum membrane | |
| CN206148514U (en) | High voltage fills lithium ion battery soon | |
| CN107487064A (en) | A kind of window material and its manufacture method for X-ray diffraction in-situ test | |
| CN206059445U (en) | A kind of lithium ion battery outer cover material | |
| CN107947319A (en) | A kind of preparation method of self-charging mobile power | |
| CN203800090U (en) | Aluminium-plastic composite membrane used for flexible package of lithium ion battery and lithium ion battery | |
| CN205542908U (en) | Melting is high compound plastic -aluminum membrane of crowded type altogether | |
| CN203406336U (en) | Punched package film for polymer lithium battery | |
| CN206718650U (en) | Poly-lithium battery plastic-aluminum packaging film | |
| CN108099315A (en) | Aluminum-plastic composite membrane and preparation method thereof | |
| CN205264803U (en) | Compound pole piece of lithium ion battery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |