CN112339376A - Impact-resistant aluminum-plastic film - Google Patents
Impact-resistant aluminum-plastic film Download PDFInfo
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- CN112339376A CN112339376A CN202011232113.6A CN202011232113A CN112339376A CN 112339376 A CN112339376 A CN 112339376A CN 202011232113 A CN202011232113 A CN 202011232113A CN 112339376 A CN112339376 A CN 112339376A
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- 239000002985 plastic film Substances 0.000 title claims abstract description 28
- 229920006255 plastic film Polymers 0.000 title claims abstract description 28
- 239000010410 layer Substances 0.000 claims abstract description 123
- 239000003292 glue Substances 0.000 claims abstract description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 40
- 239000011888 foil Substances 0.000 claims abstract description 35
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- -1 polydimethylsiloxane Polymers 0.000 claims abstract description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 239000012948 isocyanate Substances 0.000 claims abstract description 12
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 12
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 12
- 239000012793 heat-sealing layer Substances 0.000 claims abstract description 11
- 239000003960 organic solvent Substances 0.000 claims abstract description 11
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004327 boric acid Substances 0.000 claims abstract description 7
- 239000005543 nano-size silicon particle Substances 0.000 claims abstract description 7
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 7
- 239000004205 dimethyl polysiloxane Substances 0.000 claims abstract description 6
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims abstract description 6
- 239000004952 Polyamide Substances 0.000 claims description 14
- 239000004743 Polypropylene Substances 0.000 claims description 14
- 229920002647 polyamide Polymers 0.000 claims description 14
- 229920001155 polypropylene Polymers 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 238000002161 passivation Methods 0.000 claims description 5
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 3
- 150000002576 ketones Chemical class 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims 3
- 239000002131 composite material Substances 0.000 claims 2
- 239000005030 aluminium foil Substances 0.000 claims 1
- 239000012528 membrane Substances 0.000 claims 1
- 230000035939 shock Effects 0.000 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052744 lithium Inorganic materials 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 239000012790 adhesive layer Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Images
Classifications
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- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material 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
- 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
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
-
- 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
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- 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
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/06—Polyurethanes from 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/558—Impact strength, toughness
-
- 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
- B32B2457/00—Electrical equipment
- B32B2457/10—Batteries
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses an impact-resistant aluminum-plastic film which comprises a protective layer, an aluminum foil layer and a heat sealing layer which are sequentially arranged from outside to inside, wherein an impact-resistant glue layer with non-Newtonian fluid characteristics is arranged between the protective layer and the aluminum foil layer. The anti-impact glue layer comprises the following components in percentage by mass: polyester polyol, isocyanate: 20 to 30 percent; nano silicon dioxide: 0.3 to 0.5 percent; boric acid: 0.1 to 0.5 percent; dihydroxy polydimethylsiloxane: 0.1 to 0.3 percent; organic solvent: 69.1 to 79.1 percent. According to the invention, the impact-resistant glue layer with the non-Newtonian fluid characteristic is arranged between the protective layer and the aluminum foil layer, so that the good impact-resistant effect can be achieved by utilizing the non-Newtonian fluid characteristic that the impact-resistant glue layer can be instantly hardened when the impact-resistant glue layer is subjected to high-speed and high-strength impact, the condition that an aluminum-plastic film is damaged due to collision or falling of a lithium battery is avoided, the problems of short circuit, fire and the like in the battery are avoided, and the use safety of the battery is improved.
Description
Technical Field
The invention belongs to the technical field of lithium batteries, and particularly relates to an impact-resistant aluminum-plastic film.
Background
The soft package lithium ion battery consists of an aluminum plastic film, an electric core and electrolyte, has the characteristics of light weight, large capacity, small internal resistance, high energy density, long cycle life, stable discharge platform and the like, and is favored by domestic and foreign users. The soft package lithium battery product is also widely applied to a plurality of fields such as electric vehicles, mobile power supplies, digital electronic products, intelligent wearable products, electric toys and the like.
The aluminum plastic film generally used by the existing soft package lithium battery is roughly divided into three layers from outside to inside, namely an outer protective layer, a barrier layer (mainly an aluminum middle layer of an aluminum foil) and an inner heat sealing layer. The existing aluminum-plastic film is low in material strength and poor in impact resistance, so that the battery is easy to break when falling or being impacted, and the requirement on the use safety of the battery is difficult to meet.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the impact-resistant aluminum-plastic film, which can improve the impact resistance of the aluminum-plastic film, reduce the damage of the aluminum-plastic film caused by collision or falling of a lithium battery, avoid the problems of short circuit, fire and the like in the battery, and improve the use safety of the battery.
In order to achieve the purpose, the invention adopts the following technical scheme:
an impact-resistant aluminum-plastic film comprises a protective layer, an aluminum foil layer and a heat sealing layer which are sequentially arranged from outside to inside, wherein an impact-resistant glue layer with non-Newtonian fluid characteristics is arranged between the protective layer and the aluminum foil layer.
As a preferable scheme, the anti-impact glue layer comprises the following components in percentage by mass:
polyester polyol, isocyanate: 20 to 30 percent;
nano silicon dioxide: 0.3 to 0.5 percent;
boric acid: 0.1 to 0.5 percent;
dihydroxy polydimethylsiloxane: 0.1 to 0.3 percent;
organic solvent: 69.1 to 79.1 percent.
As a preferable scheme, the mass ratio of the polyester polyol to the isocyanate in the anti-impact glue layer is 10: 3-5.
As a preferable scheme, the organic solvent is one of an ester solvent and a ketone solvent.
Preferably, the protective layer is a polyamide film layer, and the thickness of the polyamide film layer is 15-30 μm.
As a preferred scheme, the thickness of the anti-impact glue layer is 2-4 mu m.
As a preferable scheme, a primary coating glue layer is further arranged between the impact-resistant glue layer and the aluminum foil layer, and the thickness of the primary coating glue layer is 2-3 mu m.
Preferably, the thickness of the aluminum foil layer is 35-60 μm.
Preferably, both sides of the aluminum foil layer are provided with passivation solution treatment layers.
As a preferred scheme, the heat-sealing layer is a polypropylene film layer, and the thickness of the polypropylene film layer is 30-90 μm.
Compared with the prior art, the anti-impact waterproof layer has obvious advantages and beneficial effects, and particularly, the anti-impact waterproof layer with non-Newtonian fluid characteristics is arranged between the protective layer and the aluminum foil layer, so that the non-Newtonian fluid characteristics which can be instantly hardened when the anti-impact waterproof layer is subjected to high-speed and high-strength impact are utilized, a good anti-impact effect can be achieved, the condition that an aluminum-plastic film is damaged due to collision or falling of a lithium battery is avoided, the problems of short circuit, fire and the like in the battery are avoided, and the use safety of the battery is improved; by adding the nano silicon dioxide and the boric acid into the polyester polyol and the isocyanate, the compactness of the glue is effectively improved, and the glue is better in elasticity.
To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions attained thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
the attached drawings indicate the following:
10. protective layer 20, aluminum foil layer 30, and heat seal layer
40. 50 parts of an anti-impact glue layer and a bottom-coating glue layer.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
Example 1
As shown in fig. 1, the impact-resistant aluminum-plastic film comprises a protective layer 10, an aluminum foil layer 20 and a heat-sealing layer 30 which are sequentially arranged from outside to inside, wherein an impact-resistant glue layer 40 with non-newtonian fluid characteristics is arranged between the protective layer 10 and the aluminum foil layer 20, and a primer glue layer 50 is arranged between the impact-resistant glue layer 40 and the aluminum foil layer 20. The protective layer 10 is a polyamide film layer, and the thickness of the polyamide film layer is 15 μm. The thickness of the impact resistant glue layer 40 is 2 μm. The thickness of the primer glue layer 50 is 3 μm. The thickness of the aluminum foil layer 20 is 35 μm, and both sides of the aluminum foil layer 20 are provided with passivation solution treatment layers. The heat sealing layer 30 is a polypropylene film layer, and the thickness of the polypropylene film layer is 30 μm.
The anti-impact glue layer 40 comprises the following components in percentage by mass: polyester polyol, isocyanate: 20%%; nano silicon dioxide: 0.3%%; boric acid: 0.5 percent; dihydroxy polydimethylsiloxane: 0.1 percent; organic solvent: 79.1 percent; wherein the mass ratio of the polyester polyol to the isocyanate in the anti-impact glue layer 40 is 10: 5. The organic solvent is ester solvent.
Example 2
An impact-resistant aluminum-plastic film comprises a protective layer 10, an aluminum foil layer 20 and a heat sealing layer 30 which are sequentially arranged from outside to inside, wherein an impact-resistant glue layer 40 with non-Newtonian fluid characteristics is arranged between the protective layer 10 and the aluminum foil layer 20, and a bottom coating glue layer 50 is arranged between the impact-resistant glue layer 40 and the aluminum foil layer 20. The protective layer 10 is a polyamide film layer, and the thickness of the polyamide film layer is 20 μm. The thickness of the impact resistant glue layer 40 is 3 μm. The thickness of the primer glue layer 50 is 2 μm. The thickness of the aluminum foil layer 20 is 40 μm, and both sides of the aluminum foil layer 20 are provided with passivation solution treatment layers. The heat sealing layer 30 is a polypropylene film layer, and the thickness of the polypropylene film layer is 40 μm.
The anti-impact glue layer 40 comprises the following components in percentage by mass: polyester polyol, isocyanate: 25 percent; nano silicon dioxide: 0.4 percent; boric acid: 0.3 percent; dihydroxy polydimethylsiloxane: 0.2 percent; organic solvent: 74.1%; wherein the mass ratio of the polyester polyol to the isocyanate in the anti-impact glue layer 40 is 10: 4. The organic solvent is ester solvent.
Example 3
An impact-resistant aluminum-plastic film comprises a protective layer 10, an aluminum foil layer 20 and a heat sealing layer 30 which are sequentially arranged from outside to inside, wherein an impact-resistant glue layer 40 with non-Newtonian fluid characteristics is arranged between the protective layer 10 and the aluminum foil layer 20, and a bottom coating glue layer 50 is arranged between the impact-resistant glue layer 40 and the aluminum foil layer 20. The protective layer 10 is a polyamide film layer, and the thickness of the polyamide film layer is 30 μm. The thickness of the impact resistant glue layer 40 is 4 μm. The thickness of the primer glue layer 50 is 2.5 μm. The thickness of the aluminum foil layer is 60 μm, and both sides of the aluminum foil layer 20 are provided with passivation solution treatment layers. The heat sealing layer 30 is a polypropylene film layer, and the thickness of the polypropylene film layer is 90 μm.
The anti-impact glue layer 40 comprises the following components in percentage by mass: polyester polyol, isocyanate: 30 percent; nano silicon dioxide: 0.5 percent; boric acid: 0.1 percent; dihydroxy polydimethylsiloxane: 0.3 percent; organic solvent: 69.1 percent; the mass ratio of the polyester polyol to the isocyanate in the anti-impact glue layer 40 is 10: 3-5. The organic solvent is ketone solvent.
It should be noted that, although the above embodiments all include the structure of the primer glue layer 50, in the actual use process, the impact-resistant glue layer 40 having non-newtonian fluid characteristics may be directly provided between the protection layer 10 and the aluminum foil layer 20, without providing the primer glue layer 50.
Comparative example 1
The commercially available aluminum-plastic film comprises a polyamide film layer, an adhesive layer, an aluminum foil layer and a polypropylene film layer which are sequentially arranged from outside to inside, wherein the thickness of the polyamide film layer is 15 micrometers, the thickness of the adhesive layer is 3 micrometers, the thickness of the aluminum foil layer is 35 micrometers, and the thickness of the polypropylene film layer is 30 micrometers.
Comparative example 2
The commercially available aluminum-plastic film comprises a polyamide film layer, a first adhesive layer, an aluminum foil layer, a second adhesive layer and a polypropylene film layer which are sequentially arranged from outside to inside, wherein the thickness of the polyamide film layer is 25 micrometers, the thickness of the first adhesive layer is 3 micrometers, the thickness of the aluminum foil layer is 40 micrometers, the thickness of the second adhesive layer is 3 micrometers, and the thickness of the polypropylene film layer is 40 micrometers.
The three examples of the aluminum plastic film and the two comparative examples of the aluminum plastic film were subjected to the needle punching test, and the test results are shown in the following table:
the needling strength is as follows: the diameter of the needle head is 1 plus or minus 0.01 mm; the pressing speed is 50 mm/min.
| Marshalling | Needling Strength/N |
| Example 1 | 27.6 |
| Example 2 | 38.2 |
| Example 3 | 31.7 |
| Comparative example 1 | 17.6 |
| Comparative example 2 | 25.3 |
In conclusion, the impact-resistant glue layer can instantly become a non-Newtonian fluid characteristic of a hard material when subjected to high-speed and high-strength impact, so that a good impact-resistant effect can be achieved, the impact resistance of the aluminum-plastic film is improved, and the safety of the lithium battery is further improved.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, so that any modifications, equivalents, improvements, etc. made to the above embodiment according to the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides an aluminium-plastic membrane shocks resistance, includes protective layer, aluminium foil layer and the heat-seal layer that sets gradually from outer to interior, its characterized in that: and an impact-resistant glue layer with non-Newtonian fluid characteristics is arranged between the protective layer and the aluminum foil layer.
2. An impact-resistant aluminum-plastic film according to claim 1, wherein: the anti-impact glue layer comprises the following components in percentage by mass:
polyester polyol, isocyanate: 20 to 30 percent;
nano silicon dioxide: 0.3 to 0.5 percent;
boric acid: 0.1 to 0.5 percent;
dihydroxy polydimethylsiloxane: 0.1 to 0.3 percent;
organic solvent: 69.1 to 79.1 percent.
3. An impact-resistant aluminum-plastic film according to claim 2, wherein: the mass ratio of the polyester polyol to the isocyanate in the anti-impact glue layer is 10: 3-5.
4. An impact-resistant aluminum-plastic film according to claim 2, wherein: the organic solvent is one of ester solvent or ketone solvent.
5. An impact-resistant aluminum-plastic film according to claim 1, wherein: the protective layer is a polyamide film layer, and the thickness of the polyamide film layer is 15-30 mu m.
6. An impact-resistant aluminum-plastic composite film according to any one of claims 1 to 4, wherein: the thickness of the anti-impact glue layer is 2-4 mu m.
7. An impact-resistant aluminum-plastic composite film according to any one of claims 1 to 4, wherein: and a primary coating glue layer is also arranged between the impact-resistant glue layer and the aluminum foil layer, and the thickness of the primary coating glue layer is 2-3 mu m.
8. An impact-resistant aluminum-plastic film according to claim 1, wherein: the thickness of the aluminum foil layer is 35-60 mu m.
9. An impact-resistant aluminum-plastic film according to claim 1 or 8, wherein: and both sides of the aluminum foil layer are provided with passivation solution treatment layers.
10. An impact-resistant aluminum-plastic film according to claim 1, wherein: the heat-sealing layer is a polypropylene film layer, and the thickness of the polypropylene film layer is 30-90 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232113.6A CN112339376A (en) | 2020-11-06 | 2020-11-06 | Impact-resistant aluminum-plastic film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011232113.6A CN112339376A (en) | 2020-11-06 | 2020-11-06 | Impact-resistant aluminum-plastic film |
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| CN112339376A true CN112339376A (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353851A (en) * | 2022-09-20 | 2022-11-18 | 上海紫江新材料科技股份有限公司 | Silicon-containing hydrophobic adhesive for lithium battery aluminum plastic film and use method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926211A (en) * | 2012-11-14 | 2013-02-13 | 北京化工大学 | Shear thickening fluid based on molecular colloid and preparation method and application of shear thickening fluid |
| CN104540878A (en) * | 2012-07-24 | 2015-04-22 | 冲击保护技术公司 | Method for producing a non-newtonian fluid in particular for impact protection, method for producing an impact protection by means of a non-newtonian fluid, impact protection by means of a non-newtonian fluid, and object with such impact protection |
| CN110328952A (en) * | 2019-07-12 | 2019-10-15 | 惠州市广麟材耀科技有限公司 | The aluminium plastic membrane and preparation method thereof of low warpage high heat-sealing strength after a kind of scouring depth |
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- 2020-11-06 CN CN202011232113.6A patent/CN112339376A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104540878A (en) * | 2012-07-24 | 2015-04-22 | 冲击保护技术公司 | Method for producing a non-newtonian fluid in particular for impact protection, method for producing an impact protection by means of a non-newtonian fluid, impact protection by means of a non-newtonian fluid, and object with such impact protection |
| CN102926211A (en) * | 2012-11-14 | 2013-02-13 | 北京化工大学 | Shear thickening fluid based on molecular colloid and preparation method and application of shear thickening fluid |
| CN110328952A (en) * | 2019-07-12 | 2019-10-15 | 惠州市广麟材耀科技有限公司 | The aluminium plastic membrane and preparation method thereof of low warpage high heat-sealing strength after a kind of scouring depth |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353851A (en) * | 2022-09-20 | 2022-11-18 | 上海紫江新材料科技股份有限公司 | Silicon-containing hydrophobic adhesive for lithium battery aluminum plastic film and use method thereof |
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Application publication date: 20210209 |