CN206040718U - Flatulence plastic -aluminum membrane is prevented with water -fast to lithium cell packing - Google Patents
Flatulence plastic -aluminum membrane is prevented with water -fast to lithium cell packing Download PDFInfo
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- CN206040718U CN206040718U CN201620974124.4U CN201620974124U CN206040718U CN 206040718 U CN206040718 U CN 206040718U CN 201620974124 U CN201620974124 U CN 201620974124U CN 206040718 U CN206040718 U CN 206040718U
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- aluminium foil
- flatulence
- chemical protection
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 22
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 22
- 206010016766 flatulence Diseases 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 239000012528 membrane Substances 0.000 title abstract description 6
- 229920003023 plastic Polymers 0.000 title abstract description 5
- 239000004033 plastic Substances 0.000 title abstract description 5
- 238000012856 packing Methods 0.000 title abstract 2
- 239000005030 aluminium foil Substances 0.000 claims abstract description 40
- 230000004888 barrier function Effects 0.000 claims abstract description 33
- 239000000126 substance Substances 0.000 claims abstract description 33
- -1 siloxanes Chemical class 0.000 claims description 26
- 238000004806 packaging method and process Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 19
- 239000002985 plastic film Substances 0.000 claims description 19
- 229920006255 plastic film Polymers 0.000 claims description 19
- 239000010410 layer Substances 0.000 description 176
- 239000000463 material Substances 0.000 description 26
- 239000002994 raw material Substances 0.000 description 23
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 18
- 150000001875 compounds Chemical class 0.000 description 16
- 229920000139 polyethylene terephthalate Polymers 0.000 description 14
- 239000005020 polyethylene terephthalate Substances 0.000 description 14
- 239000004743 Polypropylene Substances 0.000 description 13
- 229920001155 polypropylene Polymers 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 12
- 239000012621 metal-organic framework Substances 0.000 description 12
- 229920006124 polyolefin elastomer Polymers 0.000 description 12
- 239000000741 silica gel Substances 0.000 description 12
- 229910002027 silica gel Inorganic materials 0.000 description 12
- 238000001125 extrusion Methods 0.000 description 10
- 229910001416 lithium ion Inorganic materials 0.000 description 10
- 239000005543 nano-size silicon particle Substances 0.000 description 10
- 239000004342 Benzoyl peroxide Substances 0.000 description 8
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 8
- 239000002250 absorbent Substances 0.000 description 8
- 230000002745 absorbent Effects 0.000 description 8
- 235000019400 benzoyl peroxide Nutrition 0.000 description 8
- 229910052791 calcium Inorganic materials 0.000 description 8
- 239000011575 calcium Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- QUUCYKKMFLJLFS-UHFFFAOYSA-N Dehydroabietan Natural products CC1(C)CCCC2(C)C3=CC=C(C(C)C)C=C3CCC21 QUUCYKKMFLJLFS-UHFFFAOYSA-N 0.000 description 6
- NFWKVWVWBFBAOV-UHFFFAOYSA-N Dehydroabietic acid Natural products OC(=O)C1(C)CCCC2(C)C3=CC=C(C(C)C)C=C3CCC21 NFWKVWVWBFBAOV-UHFFFAOYSA-N 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 239000003426 co-catalyst Substances 0.000 description 6
- NFWKVWVWBFBAOV-MISYRCLQSA-N dehydroabietic acid Chemical compound OC(=O)[C@]1(C)CCC[C@]2(C)C3=CC=C(C(C)C)C=C3CC[C@H]21 NFWKVWVWBFBAOV-MISYRCLQSA-N 0.000 description 6
- 229940118781 dehydroabietic acid Drugs 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 6
- 239000002344 surface layer Substances 0.000 description 6
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 5
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical class OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 description 4
- LNDKRVOOYMEYTC-UHFFFAOYSA-N buta-1,3-dien-1-ol Chemical group OC=CC=C LNDKRVOOYMEYTC-UHFFFAOYSA-N 0.000 description 4
- 150000007942 carboxylates Chemical class 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 230000032050 esterification Effects 0.000 description 4
- 238000005886 esterification reaction Methods 0.000 description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 3
- 235000013539 calcium stearate Nutrition 0.000 description 3
- 239000008116 calcium stearate Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
- 150000002083 enediols Chemical class 0.000 description 3
- 238000010559 graft polymerization reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000000643 oven drying Methods 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- UBAZGMLMVVQSCD-UHFFFAOYSA-N carbon dioxide;molecular oxygen Chemical compound O=O.O=C=O UBAZGMLMVVQSCD-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model discloses a flatulence plastic -aluminum membrane is prevented with water -fast to lithium cell packing. Its characteristics have resistant scrape layer, aluminium foil layer, chemical protection layer, absorbed layer and barrier layer by outer to interior in proper order, resistant scrape layer and the aluminium foil layer between, between chemical protection layer and the absorbed layer and all have the mucigel between absorbed layer and the barrier layer, be in the same place with the laminiform one -tenth of chemical protection in the aluminium foil layer. The utility model discloses have water -fast, prevent the flatulence function. Adopt the utility model discloses, can improve the security and the life of lithium cell.
Description
Technical field
This utility model is related to a kind of lithium battery pack package material.Specifically, it is polymer Li-ion battery flexible package
Aluminum-plastic composite membrane.
Background technology
Polymer Li-ion battery is state-of-the-art secondary cell in the world now, and its battery specific energy is high, discharge and recharge speed
Degree is fast, has progressively replaced lithium ion battery, has been applied in the digital products such as mobile phone, notebook computer, MP3, PDA, DV.
The ballooning of lithium battery is the principal element for affecting battery security, and it can cause the hydraulic performance decline of battery.It is poly-
Compound lithium-ion battery electrolytes mostly are the very strong organic solvent of burn into permeance property and the lithium salts composition for easily hydrolyzing, in storage
During depositing, electrolyte easily by the inner layer film oxidation stratification of lithium ion battery, makes packaging lose integrity.Therefore, it is plastic-aluminum combined
The barrier property of film, and the anti-corrosion of aluminium foil become need solve factor.As traditional polymer lithium ion battery is using multiple
Aluminum plastic film is closed as housing material, it is difficult to bear larger internal gas pressure.Therefore, ballooning has increasingly constituted necessity
Solution factor.
As polymer lithium ion battery electric solution liquid mostly is the very strong organic solvent of burn into permeance property and easily hydrolyzes
Lithium salts is constituted, and infiltration when extraneous moisture and air, causes inside battery CO2When dramatically increasing, it may appear that considerable amount of
O2And N2, and steam enter can then cause electrolyte occur chemical oxidation, it is swelling the problems such as, there is ballooning, equally also can
The problems such as causing battery service life to reduce.
Flexible package aluminum plastic film barrier layer disclosed in prior art uses monolayer polyamide barrier layer, although barrier property is good
It is good, but tearing strength is poor, and toughness is not enough, easily tears in the battery processing technique such as folding, punching press, causes packaging globality to be broken
It is bad.
There is flexible package aluminum plastic film barrier layer disclosed in technology to be monolayer-modified polypropylene barrier layer in addition, its anti-tensile is strong
Preferably, corrosion resistance, insulating properties are preferable, but barrier property is poor, often has gas and moisture during storage for degree, tensile strength
Into packaging, use safety and the life-span of lithium ion battery is affected.
Utility model content
Problem to be solved in the utility model is to provide a kind of water-fast anti-flatulence aluminum plastic film of lithium battery packaging.This practicality is new
Type has water-fast, anti-flatulence function.Using this utility model, safety and the service life of lithium battery can be improved.
The problems referred to above to be solved in the utility model are realized by technical scheme below：
Lithium battery packaging of the present utility model is water-fast anti-flatulence aluminum plastic film, is characterized in there is scratch resistance from outside to inside successively
Layer, aluminium foil layer, chemical protection layer, absorbed layer and barrier layer, between resistance to scratch layers and aluminium foil layer, between chemical protection layer and absorbed layer
There is mucigel and absorbed layer and barrier layer between, aluminium foil layer is formed together with chemical protection layer.
The chemical protection layer is inorganic-organic siloxanes passivating solution.
The absorbed layer includes gas-absorbing layer and water accepting layer.
The barrier layer includes mechanical support layer and Low Temperature Thermal sealing.
As can be seen from the above scheme, polymer Li-ion packaging aluminum-plastic composite membrane of the present utility model from outside to inside according to
It is secondary to have resistance to scratch layers, aluminium foil layer, chemical protection layer, absorbed layer and barrier layer, resistance to scratch layers and aluminium foil interlayer, chemical protection layer and absorption
Layer, absorbed layer and intercepts interlayer and is combined with each other by melting glue-line and cold pressing.
As absorbed layer is made up of oxygen, carbon dioxide absorption layer and water accepting layer, by oxygen, carbon dioxide in packaging
Absorption, be effectively prevented battery because air-blowing produce quality problems, so as to substantially increase product quality.
As the barrier layer is made up of mechanical support layer and Low Temperature Thermal sealing.By to barrier layer structure design and formula
It is modified, improve corrosion resistance, the insulating properties of barrier layer, enhance the electrolyte resistance performance of composite membrane, reduce heat-sealing temperature
Degree, optimizes hot sealing process, so as to extend the service life of lithium ion battery flexible package aluminum-plastic composite membrane.
Description of the drawings
Fig. 1 is the water-fast anti-flatulence aluminum plastic film structural representation of lithium battery packaging of the present utility model.
Specific embodiment
Embodiment one
This utility model is described in further detail below in conjunction with drawings and Examples
As shown in figure 1, the water-fast anti-flatulence aluminum plastic film of lithium battery packaging of the present utility model has scratch resistance from outside to inside successively
Layer, aluminium foil layer, chemical protection layer, absorbed layer and barrier layer, between resistance to scratch layers and aluminium foil layer, between chemical protection layer and absorbed layer
There is mucigel and absorbed layer and barrier layer between, aluminium foil layer is formed together with chemical protection layer.Wherein：
The absorbed layer includes gas-absorbing layer and water accepting layer.
The gas-absorbing layer contains the raw material of following mass parts：
92 parts of polyethylene terephthalate；
End hydroxy butadiene/15 parts of cis-butenedioic anhydride carboxylate oxygen absorbent；
0.05 part of acetic acid Co catalysts；
Metal-organic framework materials（MOFs）3 parts of class Pumex imidazole radicals framework material.
The water accepting layer contains the raw material of following mass parts：
40 parts of nanoscale silica gel；
10 parts of alumina in Nano level；
12 parts of nanoscale calcium.
The barrier layer includes mechanical support layer and Low Temperature Thermal sealing.
The mechanical support layer contains the raw material of following mass parts：
90 parts of atactic copolymerized polypropene；
2 parts of polyvinyl chloride；
15 parts of polyolefin elastomer；
0.6 part of dehydroabietic acid；
0.075 part of calcium stearate.
The Low Temperature Thermal sealing contains the raw material of following mass parts：
80 parts of atactic copolymerized polypropene；
0.15 part of nano silicon；
18 parts of polyolefin elastomer.
The mucigel is acid modified polyolefin viscose.
Preparation method is comprised the following steps successively：
（1）First by polyethylene terephthalate Blown Film, then benzoyl peroxide is coated uniformly on into film surface.
Then, the film for being coated with benzoyl peroxide is placed in graft polymerization reaction in acrylonitrile vapors, obtains resistance to scratch layers；
（2）Inorganic-organic siloxanes passivating solution is coated uniformly on into aluminium foil surface first, then by surface-coated have it is inorganic-have
The aluminium foil of organic siloxane passivating solution is put in the baking oven that temperature is 95 DEG C and is dried 62 minutes, forms chemical protection in aluminium foil surface
Layer；
（3）First polyethylene terephthalate is put in the vacuum drying oven that temperature is 115 DEG C and is dried 23 hours, then
By end hydroxy butadiene/cis-butenedioic anhydride carboxylate oxygen absorbent or 1,4- butylene glycols/maleic anhydride carboxylate or 1,4- fourths
After enediol/methyl tetrahydrophthalic anhydride esterification oxygen absorbent is sufficiently mixed together with acetic acid Co catalysts, with metal-organic
Framework material（MOFs）Class Pumex imidazole radicals framework material and dried polyethylene terephthalate are put at a high speed together
In agitated kettle, mix homogeneously obtains compound.Afterwards, using runner temperature be 275 DEG C, film mouth temperature be 275 DEG C, vacuum
For the double screw extruder of 0.07Mpa, the compound is extruded and dried, obtain the first layered material；Afterwards, the first layered material is thrown
Enter in extruder, co-extrusion is in blocks at a temperature of 270 DEG C.Afterwards, biaxial tension is carried out at a temperature of 110 DEG C, obtain gas
Absorbed layer；
Afterwards, nanoscale silica gel, alumina in Nano level and nanoscale calcium are put in high-speed stirred pot together, are mixed
Uniformly, obtain nanometer silica gel particle；
Afterwards, in one layer of above-mentioned nanometer silica gel particle of gas-absorbing layer surface spraying, one is formed in GAS ABSORPTION layer surface
Layer water accepting layer, constitutes absorbed layer together by gas-absorbing layer and water accepting layer；
（4）First by atactic copolymerized polypropene, nano silicon, polyvinyl chloride, polyolefin elastomer, dehydroabietic acid and hard
In fat acid calcium input high-speed stirred pot, mix homogeneously obtains compound.Afterwards, using double screw extruder in 225 DEG C of runner
At a temperature of temperature, 205 DEG C of film mouth, compound is extruded and is rapidly cooled to after room temperature, then it is dry with the baking oven that temperature is 120 DEG C
Dry 60 minutes, obtain mechanical support layer raw material；
（5）First atactic copolymerized polypropene, nano silicon and polyolefin elastomer are put in high-speed stirred pot, mixing
Uniformly, obtain compound.Afterwards, using double screw extruder at a temperature of 205 DEG C of runner temperature, 200 DEG C of film mouth, will be mixed
Close after material extrudes and be rapidly cooled to room temperature, then with the oven drying that temperature is 120 35 minutes, obtain Low Temperature Thermal sealing original
Material；
（6）220 DEG C of two twin-screw extrusions are using respectively 215 DEG C and 178 DEG C of runner temperature, film mouth temperature
After mechanical support layer raw material and Low Temperature Thermal sealing raw material are extruded by machine respectively, then with co-extrusion machine co-extrusion film forming, obtain by mechanics
The group interlayer that support layer and Low Temperature Thermal sealing are constituted；
（7）It is coated with proximal surface of the resistance to scratch layers with aluminium foil layer, chemical protection layer and absorbed layer and absorbed layer and barrier layer
While mucigel, resistance to scratch layers, aluminium foil layer and chemical protection layer, absorbed layer and barrier layer are combined with each other by roll squeezer,
Obtain the water-fast anti-flatulence aluminum plastic film of lithium battery packaging.
Embodiment two
As shown in figure 1, the water-fast anti-flatulence aluminum plastic film of lithium battery packaging of the present utility model has scratch resistance from outside to inside successively
Layer, aluminium foil layer, chemical protection layer, absorbed layer and barrier layer, between resistance to scratch layers and aluminium foil layer, between chemical protection layer and absorbed layer
There is mucigel and absorbed layer and barrier layer between, aluminium foil layer is formed together with chemical protection layer.Wherein：
The resistance to scratch layers contain the raw material of following mass parts：
93 parts of polyethylene terephthalate；
10 parts of benzoyl peroxide；
1 part of acrylonitrile.
The aluminium foil is the aluminium foil that thickness is 40 microns.
The chemical protection layer is inorganic-organic siloxanes passivating solution.
The absorbed layer includes gas-absorbing layer and water accepting layer.
The gas-absorbing layer contains the raw material of following mass parts：
95 parts of polyethylene terephthalate；
1,4- butylene glycols/10 parts of maleic anhydride carboxylate；
0.07 part of acetic acid Co catalysts；
Metal-organic framework materials（MOFs）1.5 parts of class Pumex imidazole radicals framework material.
The water accepting layer contains the raw material of following mass parts：
65 parts of nanoscale silica gel；
13 parts of alumina in Nano level；
15 parts of nanoscale calcium.
The barrier layer includes mechanical support layer and Low Temperature Thermal sealing.
The mechanical support layer contains the raw material of following mass parts：
80 parts of atactic copolymerized polypropene；
0.15 part of nano silicon；
3 parts of polyvinyl chloride；
15 parts of polyolefin elastomer；
1 part of dehydroabietic acid；
0.06 part of calcium stearate.
The Low Temperature Thermal sealing contains the raw material of following mass parts：
85 parts of atactic copolymerized polypropene；
16 parts of polyolefin elastomer.
The mucigel is acid modified polyolefin viscose.
The method for preparing the water-fast anti-flatulence aluminum plastic film of lithium battery packaging of the present utility model is comprised the following steps successively：
（1）First by polyethylene terephthalate Blown Film, then benzoyl peroxide is coated uniformly on into film surface.
Then, the film for being coated with benzoyl peroxide is placed in graft polymerization reaction in acrylonitrile vapors, obtains resistance to scratch layers；
（2）Inorganic-organic siloxanes passivating solution is coated uniformly on into aluminium foil surface first, then by surface-coated have it is inorganic-have
The aluminium foil of organic siloxane passivating solution is put in the baking oven that temperature is 100 DEG C and is dried 60 minutes, forms chemical protection in aluminium foil surface
Layer；
（3）First polyethylene terephthalate is put in the vacuum drying oven that temperature is 120 DEG C and is dried 24 hours, then
By end hydroxy butadiene/cis-butenedioic anhydride carboxylate oxygen absorbent or 1,4- butylene glycols/maleic anhydride carboxylate or 1,4- fourths
After enediol/methyl tetrahydrophthalic anhydride esterification oxygen absorbent is sufficiently mixed together with acetic acid Co catalysts, with metal-organic
Framework material（MOFs）Class Pumex imidazole radicals framework material and dried polyethylene terephthalate are put at a high speed together
In agitated kettle, mix homogeneously obtains compound.Afterwards, using runner temperature be 255 DEG C, film mouth temperature be 255 DEG C, vacuum
For the double screw extruder of 0.08Mpa, the compound is extruded and dried, obtain the first layered material；Afterwards, the first layered material is thrown
Enter in extruder, co-extrusion is in blocks at a temperature of 280 DEG C.Afterwards, biaxial tension is carried out at a temperature of 120 DEG C, obtain gas
Absorbed layer；
Afterwards, nanoscale silica gel, alumina in Nano level and nanoscale calcium are put in high-speed stirred pot together, are mixed
Uniformly, obtain nanometer silica gel particle；
Afterwards, in one layer of above-mentioned nanometer silica gel particle of gas-absorbing layer surface spraying, one is formed in GAS ABSORPTION layer surface
Layer water accepting layer, constitutes absorbed layer together by gas-absorbing layer and water accepting layer；
（4）First by atactic copolymerized polypropene, nano silicon, polyvinyl chloride, polyolefin elastomer, dehydroabietic acid and hard
In fat acid calcium input high-speed stirred pot, mix homogeneously obtains compound.Afterwards, using double screw extruder in 220 DEG C of runner
At a temperature of temperature, 200 DEG C of film mouth, compound is extruded and is rapidly cooled to after room temperature, then it is dry with the baking oven that temperature is 125 DEG C
Dry 55 minutes, obtain mechanical support layer raw material；
（5）First atactic copolymerized polypropene, nano silicon and polyolefin elastomer are put in high-speed stirred pot, mixing
Uniformly, obtain compound.Afterwards, using double screw extruder at a temperature of 210 DEG C of runner temperature, 205 DEG C of film mouth, will be mixed
Close after material extrudes and be rapidly cooled to room temperature, then with the oven drying that temperature is 125 30 minutes, obtain Low Temperature Thermal sealing original
Material；
（6）215 DEG C of two double screw extruders are using respectively 210 DEG C and 180 DEG C of runner temperature, film mouth temperature
After extruding mechanical support layer raw material and Low Temperature Thermal sealing raw material respectively, then with co-extrusion machine co-extrusion film forming, obtain by mechanical support
The group interlayer that layer and Low Temperature Thermal sealing are constituted；
（7）It is coated with proximal surface of the resistance to scratch layers with aluminium foil layer, chemical protection layer and absorbed layer and absorbed layer and barrier layer
While mucigel, resistance to scratch layers, aluminium foil layer and chemical protection layer, absorbed layer and barrier layer are combined with each other by roll squeezer,
Obtain the water-fast anti-flatulence aluminum plastic film of lithium battery packaging.
Embodiment three
As shown in figure 1, the water-fast anti-flatulence aluminum plastic film of lithium battery packaging of the present utility model has scratch resistance from outside to inside successively
Layer, aluminium foil layer, chemical protection layer, absorbed layer and barrier layer, between resistance to scratch layers and aluminium foil layer, between chemical protection layer and absorbed layer
There is mucigel and absorbed layer and barrier layer between, aluminium foil layer is formed together with chemical protection layer.Wherein：
The resistance to scratch layers contain the raw material of following mass parts：
95 parts of polyethylene terephthalate；
5 parts of benzoyl peroxide；
2 parts of acrylonitrile.
The aluminium foil is the aluminium foil that thickness is 50 microns.
The chemical protection layer is inorganic-organic siloxanes passivating solution.
The absorbed layer includes gas-absorbing layer and water accepting layer.
The gas-absorbing layer contains the raw material of following mass parts：
90 parts of polyethylene terephthalate；
1,4- butylene glycols/methyl tetrahydrophthalic anhydride 13 parts of absorbent of esterification；
0.1 part of acetic acid Co catalysts；
Metal-organic framework materials（MOFs）0.5 part of class Pumex imidazole radicals framework material.
The water accepting layer contains the raw material of following mass parts：
90 parts of nanoscale silica gel；
15 parts of alumina in Nano level.
The barrier layer includes mechanical support layer and Low Temperature Thermal sealing.
The mechanical support layer contains the raw material of following mass parts：
85 parts of atactic copolymerized polypropene；
0.3 part of nano silicon；
1 part of polyvinyl chloride；
18 parts of polyolefin elastomer；
0.1 part of dehydroabietic acid；
0.05 part of calcium stearate.
The Low Temperature Thermal sealing contains the raw material of following mass parts：
90 parts of atactic copolymerized polypropene；
0.3 part of nano silicon；
15 parts of polyolefin elastomer.
The mucigel is acid modified polyolefin viscose.
The method for preparing the water-fast anti-flatulence aluminum plastic film of lithium battery packaging of the present utility model is comprised the following steps successively：
（1）First by polyethylene terephthalate Blown Film, then benzoyl peroxide is coated uniformly on into film surface.
Then, the film for being coated with benzoyl peroxide is placed in graft polymerization reaction in acrylonitrile vapors, obtains resistance to scratch layers；
（2）Inorganic-organic siloxanes passivating solution is coated uniformly on into aluminium foil surface first, then by surface-coated have it is inorganic-have
The aluminium foil of organic siloxane passivating solution is put in the baking oven that temperature is 105 DEG C and is dried 58 minutes, forms chemical protection in aluminium foil surface
Layer；
（3）First polyethylene terephthalate is put in the vacuum drying oven that temperature is 125 DEG C and is dried 25 hours, then
By end hydroxy butadiene/cis-butenedioic anhydride carboxylate oxygen absorbent or 1,4- butylene glycols/maleic anhydride carboxylate or 1,4- fourths
After enediol/methyl tetrahydrophthalic anhydride esterification oxygen absorbent is sufficiently mixed together with acetic acid Co catalysts, with metal-organic
Framework material（MOFs）Class Pumex imidazole radicals framework material and dried polyethylene terephthalate are put at a high speed together
In agitated kettle, mix homogeneously obtains compound.Afterwards, using runner temperature be 265 DEG C, film mouth temperature be 265 DEG C, vacuum
For the double screw extruder of 0.075Mpa, the compound is extruded and dried, obtain the first layered material；Afterwards, by the first layered material
In input extruder, co-extrusion is in blocks at a temperature of 290 DEG C.Afterwards, biaxial tension is carried out at a temperature of 100 DEG C, obtain gas
Absorbing layer；
Afterwards, nanoscale silica gel, alumina in Nano level and nanoscale calcium are put in high-speed stirred pot together, are mixed
Uniformly, obtain nanometer silica gel particle；
Afterwards, in one layer of above-mentioned nanometer silica gel particle of gas-absorbing layer surface spraying, one is formed in GAS ABSORPTION layer surface
Layer water accepting layer, constitutes absorbed layer together by gas-absorbing layer and water accepting layer；
（4）First by atactic copolymerized polypropene, nano silicon, polyvinyl chloride, polyolefin elastomer, dehydroabietic acid and hard
In fat acid calcium input high-speed stirred pot, mix homogeneously obtains compound.Afterwards, using double screw extruder in 215 DEG C of runner
At a temperature of temperature, 195 DEG C of film mouth, compound is extruded and is rapidly cooled to after room temperature, then it is dry with the baking oven that temperature is 130 DEG C
Dry 50 minutes, obtain mechanical support layer raw material；
（5）First atactic copolymerized polypropene, nano silicon and polyolefin elastomer are put in high-speed stirred pot, mixing
Uniformly, obtain compound.Afterwards, using double screw extruder at a temperature of 215 DEG C of runner temperature, 195 DEG C of film mouth, will be mixed
Close after material extrudes and be rapidly cooled to room temperature, then with the oven drying that temperature is 130 35 minutes, obtain Low Temperature Thermal sealing original
Material；
（6）210 DEG C of two double screw extruders are using respectively 205 DEG C and 180 DEG C of runner temperature, film mouth temperature
After extruding mechanical support layer raw material and Low Temperature Thermal sealing raw material respectively, then with co-extrusion machine co-extrusion film forming, obtain by mechanical support
The group interlayer that layer and Low Temperature Thermal sealing are constituted；
（7）It is coated with proximal surface of the resistance to scratch layers with aluminium foil layer, chemical protection layer and absorbed layer and absorbed layer and barrier layer
While mucigel, resistance to scratch layers, aluminium foil layer and chemical protection layer, absorbed layer and barrier layer are combined with each other by roll squeezer,
Obtain the water-fast anti-flatulence aluminum plastic film of lithium battery packaging.
Claims (4)
1. the water-fast anti-flatulence aluminum plastic film of lithium battery packaging, it is characterised in that have resistance to scratch layers, aluminium foil layer, chemistry from outside to inside successively
Overcoat, absorbed layer and barrier layer, between resistance to scratch layers and aluminium foil layer, between chemical protection layer and absorbed layer and absorbed layer and obstruct
There is mucigel between layer, aluminium foil layer is formed together with chemical protection layer.
2. the water-fast anti-flatulence aluminum plastic film of lithium battery packaging according to claim 1, it is characterised in that the chemical protection
Layer is inorganic-organic siloxanes passivating solution.
3. the water-fast anti-flatulence aluminum plastic film of lithium battery packaging according to claim 1, it is characterised in that the absorbed layer by
Gas-absorbing layer and water accepting layer.
4. the water-fast anti-flatulence aluminum plastic film of lithium battery packaging according to claim 1, it is characterised in that the barrier layer bag
Include mechanical support layer and Low Temperature Thermal sealing.
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| CN201620974124.4U CN206040718U (en) | 2016-08-30 | 2016-08-30 | Flatulence plastic -aluminum membrane is prevented with water -fast to lithium cell packing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450046A (en) * | 2016-08-30 | 2017-02-22 | 无锡华盈锂能新材有限公司 | Water-resistant and anti-flatulence aluminum-plastic film for packaging lithium battery and preparation method of water-resistant and anti-flatulence aluminum-plastic film |
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2016
- 2016-08-30 CN CN201620974124.4U patent/CN206040718U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450046A (en) * | 2016-08-30 | 2017-02-22 | 无锡华盈锂能新材有限公司 | Water-resistant and anti-flatulence aluminum-plastic film for packaging lithium battery and preparation method of water-resistant and anti-flatulence aluminum-plastic film |
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Address after: 214151 Wuxi Province, Huishan District, the streets of the Bridge Creek Community Patentee after: Jiangsu Hua Gu new materials Co.,Ltd. Address before: 214151 Wuxi Province, Huishan District, the streets of the Bridge Creek Community Patentee before: WUXI HUAYING LITHIUM NEW MATERIAL Co.,Ltd. |
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Effective date of registration: 20231202 Address after: No.55 rongtongdao Road, Xishan Economic Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee after: JIANGSU LEATER GREEN PACKAGING Corp.,Ltd. Address before: 214151 Xinan Community, Qianqiao Street, Huishan District, Wuxi City, Jiangsu Province Patentee before: Jiangsu Hua Gu new materials Co.,Ltd. |