CN109593485A - Termination adhesive tape for lithium battery and preparation method thereof - Google Patents
Termination adhesive tape for lithium battery and preparation method thereof Download PDFInfo
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- CN109593485A CN109593485A CN201811472671.2A CN201811472671A CN109593485A CN 109593485 A CN109593485 A CN 109593485A CN 201811472671 A CN201811472671 A CN 201811472671A CN 109593485 A CN109593485 A CN 109593485A
- Authority
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- China
- Prior art keywords
- adhesive tape
- lithium battery
- parts
- battery terminal
- substrate
- 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.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 33
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000011347 resin Substances 0.000 claims abstract description 20
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 239000003292 glue Substances 0.000 claims abstract description 17
- 229920000642 polymer Polymers 0.000 claims abstract description 17
- 229920002545 silicone oil Polymers 0.000 claims abstract description 13
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 25
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 11
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 5
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- -1 amido silicon Chemical compound 0.000 claims description 4
- IIEWJVIFRVWJOD-UHFFFAOYSA-N ethylcyclohexane Chemical compound CCC1CCCCC1 IIEWJVIFRVWJOD-UHFFFAOYSA-N 0.000 claims description 4
- 239000003921 oil Substances 0.000 claims description 4
- 150000003505 terpenes Chemical class 0.000 claims description 4
- 235000007586 terpenes Nutrition 0.000 claims description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 3
- 241001061132 Eutaeniophorus sp. 033-Miya Species 0.000 claims description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011127 biaxially oriented polypropylene Substances 0.000 claims description 3
- 229920006378 biaxially oriented polypropylene Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 3
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 229920002799 BoPET Polymers 0.000 claims description 2
- GSNUFIFRDBKVIE-UHFFFAOYSA-N DMF Natural products CC1=CC=C(C)O1 GSNUFIFRDBKVIE-UHFFFAOYSA-N 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 241001354243 Corona Species 0.000 claims 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 claims 1
- 235000005128 Sapium sebiferum Nutrition 0.000 claims 1
- 244000057114 Sapium sebiferum Species 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 239000003792 electrolyte Substances 0.000 abstract description 12
- 239000003208 petroleum Substances 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 239000000945 filler Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 229920013822 aminosilicone Polymers 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 101150032902 PET20 gene Proteins 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Classifications
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- 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
- C09J157/00—Adhesives based on unspecified polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09J157/02—Copolymers of mineral oil hydrocarbons
-
- 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
- C09J183/00—Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Adhesives based on derivatives of such polymers
- C09J183/10—Block or graft copolymers containing polysiloxane sequences
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/24—Plastics; Metallised plastics based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/241—Polyolefin, e.g.rubber
- C09J7/243—Ethylene or propylene polymers
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
-
- 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
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/33—Applications of adhesives in processes or use of adhesives in the form of films or foils for batteries or fuel cells
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/302—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being pressure-sensitive, i.e. tacky at temperatures inferior to 30°C
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/414—Additional features of adhesives in the form of films or foils characterized by the presence of essential components presence of a copolymer
-
- 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
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
- C09J2423/106—Presence of homo or copolymers of propene in the substrate
-
- 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
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- 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
- C09J2483/00—Presence of polysiloxane
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a termination adhesive tape for a lithium battery, which comprises a base material and glue, wherein the glue comprises the following components in parts by weight: 50-100 parts of amino-terminated silicone oil grafted SMA polymer, 30-120 parts of tackifying resin and 750 parts of solvent; the amino-terminated silicone oil grafted SMA polymer used in the termination adhesive tape for the lithium battery has a polar group and a nonpolar group chain segment, and can well improve the compatibility, high temperature resistance and corrosion resistance of a product with polar and nonpolar materials through chemical bonding with the polymer and a filler; the amino silicone oil grafted SMA polymer, the hydrogenated petroleum resin and the electrolyte do not react, the foam electrolyte does not change color, and good stability can be kept in the electrolyte; the termination adhesive tape for the lithium battery has strong adhesive force, can improve the safe use coefficient and prolong the service life of the lithium battery, has simple preparation process and is convenient for industrial production.
Description
Technical field
The present invention relates to adhesive technology fields more particularly to a kind of lithium battery terminal adhesive tape and preparation method thereof.
Background technique
Common battery mainly has Ni-Cr battery, nickel-metal hydride battery, lead-acid accumulator and lithium battery etc. currently on the market.With
The demand of the fast development of electronic product, electric car and electric bicycle, lithium battery is increased substantially.Applied to lithium electricity
There is huge demands for the sticking tape of industry.Lithium battery in the production process, needs to roll up positive plate, diaphragm and negative electrode tab
It is coiled into battery core, is then injected into electrolyte.Its core technology applied is the electrolyte sealing of battery, for the purpose of sealing, institute
The leakproofness improved by Electrode pack into battery is brought using stop adhesive.
The adhesive tape that common acrylic compounds glue is made on the market at present is easy under the highly polar solvent soaking of electrolyte
Be corroded infiltration, to lose viscosity, cannot effectively fix the metal tape of battery, lead to battery short circuit, shorten the use of battery
Service life, and there are serious security risks.Lithium electricity terminal adhesive tape is a special pressure sensitive adhesive product, in addition to pressure sensitive adhesive
Performance outside, substrate selection, adhesiveness and in terms of also have special requirement.
Summary of the invention
The present invention aiming at the problem that existing lithium battery pressure sensitive adhesive tape is easily corroded, provide a kind of lithium battery terminal adhesive tape and
Preparation method.
The technical scheme to solve the above technical problems is that a kind of lithium battery terminal adhesive tape, including substrate and
Glue, which is characterized in that according to parts by weight, the glue includes following component: Amino End Group silicone oil is grafted SMA polymer 50-
100 parts, 30-120 parts of tackifying resin, 200-750 parts of solvent.
The substrate is one of BOPP film, PET film or CPP film；The Amino End Group silicone oil grafting SMA polymer number is equal
Molecular weight is 10000-40000；The tackifying resin is in hydrogenated petroleum resin, hydrogenated terpene resin or hydrogenated rosin resin
It is a kind of；The solvent is toluene, dimethylbenzene, DMF, butanone, tetrahydrofuran, ethyl acetate, hexamethylene, ethyl cyclohexane or positive heptan
One of alkane.
The specific structure of gained Amino End Group silicone oil grafting SMA polymer are as follows:
The preparation method of above-mentioned lithium battery terminal adhesive tape, comprising the following steps: each component is weighed by weight, by solvent
It puts into stirred tank, adds amido silicon oil grafting SMA polymer, tackifying resin, be warming up to 80 DEG C, stir 3h, material is complete
Dissolution, is configured to pressure-sensitive sol solution；20 μm of non-silicon mould releases are applied outside substrate, by substrate inner face with electric field strength for 30,000
Volt/centimetre corona is to after 38 dynes, the pressure-sensitive adhesive that coating thickness is 20 μm on substrate, after 100 DEG C of drying 5min, adhesive tape
Tail winding.
The beneficial effects of the present invention are: the grafting of Amino End Group silicone oil used in lithium battery terminal adhesive tape of the present invention SMA is poly-
Object is closed, while there is polar group and non-polar group segment, it, can be very by the chemical bonding between polymer, filler
Compatibility, heat-resisting quantity and the corrosion resistance of product Yu polarity and non-polar material are improved well；Amido silicon oil is grafted SMA polymerization
Object and hydrogenated petroleum resin and the equal Fails To Respond of electrolyte, bubble electrolyte is non-discolouring, is able to maintain in the electrolytic solution good steady
It is qualitative；Lithium battery of the present invention is strong with terminal adhesive tape bonding force, and the safe handling coefficient and service life of lithium battery can be improved, system
Standby simple process, is convenient for industrialized production.
Specific embodiment
Below in conjunction with example, present invention is described, and the given examples are served only to explain the present invention, is not intended to limit this
The range of invention.
Embodiment 1
A kind of lithium battery terminal adhesive tape, including substrate and glue, substrate PET20, according to parts by weight, glue includes
Following component: the Amino End Group silicone oil that number average molecular weight is 10000 is grafted 50 parts of SMA polymer, 30 parts of hydrogenated petroleum resin, toluene
200 parts.
Embodiment 2
A kind of lithium battery terminal adhesive tape, including substrate and glue, substrate PET20, according to parts by weight, glue includes
Following component: the Amino End Group silicone oil that number average molecular weight is 15000 is grafted 65 parts of SMA polymer, 40 parts of hydrogenated terpene resin, DMF
250 parts.
Embodiment 3
A kind of lithium battery terminal adhesive tape, including substrate and glue, substrate PET20, according to parts by weight, glue includes
Following component: the Amino End Group silicone oil that number average molecular weight is 20000 is grafted 85 parts of SMA polymer, 55 parts of hydrogenated rosin resin, butanone
350 parts.
Embodiment 4
A kind of lithium battery terminal adhesive tape, including substrate and glue, substrate BOPP, according to parts by weight, glue includes
Following component: the Amino End Group silicone oil that number average molecular weight is 30000 is grafted 100 parts of SMA polymer, 100 parts of hydrogenated petroleum resin, second
500 parts of acetoacetic ester.
Embodiment 5
A kind of lithium battery terminal adhesive tape, including substrate and glue, substrate CPP, according to parts by weight, glue include such as
Lower component: the Amino End Group silicone oil that number average molecular weight is 40000 is grafted 90 parts of SMA polymer, 120 parts of hydrogenated terpene resin, ethyl
750 parts of hexamethylene.
Embodiment 1-5 lithium battery terminal adhesive tape the preparation method comprises the following steps: weigh each component by weight, solvent investment is stirred
It mixes in kettle, adds amido silicon oil grafting SMA polymer, tackifying resin, be warming up to 80 DEG C, stir 3h, material is completely dissolved, matches
Pressure-sensitive sol solution is made；20 μm of non-silicon mould releases are applied outside substrate, by substrate inner face with electric field strength for 30 kv/cm of electricity
It swoons to after 38 dynes, coating thickness is 20 μm of pressure-sensitive adhesive on substrate, and after 100 DEG C of drying 5min, adhesive tape tail is wound.
After 50 DEG C of baking oven curing 48h of adhesive tape obtained by embodiment 1-5, every test is carried out, the results are shown in Table 1.
1. embodiment 1-5 lithium battery terminal adhesive tape test result of table
, the resistance to electrolysis preferable to adhesion property of aluminum foil that can be seen that lithium battery terminal adhesive tape of the present invention from the above test result
Corrosion can prevent electrolyte from permeating from substrate, solve the problems, such as inharmonious after long term high temperature impregnates electrolyte, immersion electrolyte
It is non-discolouring, and electrochemical reaction is not played with electrolyte.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of lithium battery terminal adhesive tape, including substrate and glue, which is characterized in that according to parts by weight, the glue packet
Include following component: Amino End Group silicone oil is grafted 50-100 parts of SMA polymer, 30-120 parts of tackifying resin, 200-750 parts of solvent.
2. lithium battery terminal adhesive tape according to claim 1, which is characterized in that the substrate be BOPP film, PET film or
One of CPP film.
3. lithium battery terminal adhesive tape according to claim 1, which is characterized in that the Amino End Group silicone oil grafting SMA is poly-
Conjunction object number-average molecular weight is 10000-40000.
4. lithium battery terminal adhesive tape according to claim 1, which is characterized in that the tackifying resin is non-hydrogenated petroleum tree
One of rouge, hydrogenated terpene resin or hydrogenated rosin resin.
5. lithium battery terminal adhesive tape according to claim 1, which is characterized in that the solvent be toluene, dimethylbenzene,
One of DMF, butanone, tetrahydrofuran, ethyl acetate, hexamethylene, ethyl cyclohexane or normal heptane.
6. a kind of preparation method of lithium battery terminal adhesive tape as described in any one in claim 1-5, which is characterized in that including
Following steps: weighing each component by weight, and solvent is put into stirred tank, adds amido silicon oil grafting SMA polymer, increases
Viscosity resin is warming up to 80 DEG C, stirs 3h, and material is completely dissolved, and is configured to pressure-sensitive sol solution；Outside substrate apply 20 μm of non-silicon from
Substrate inner face with electric field strength is 30 kv/cm of coronas to after 38 dynes by type agent, and coating thickness is 20 μm on substrate
Pressure-sensitive adhesive, after 100 DEG C of drying 5min, the winding of adhesive tape tail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811472671.2A CN109593485A (en) | 2018-12-04 | 2018-12-04 | Termination adhesive tape for lithium battery and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111925754A (en) * | 2020-07-24 | 2020-11-13 | 佛山市益创航峰包装材料有限公司 | Modified acrylic rubber adhesive, preparation method thereof and termination adhesive tape |
| CN112877001A (en) * | 2021-01-14 | 2021-06-01 | 安徽英诺高新材料有限公司 | Preparation method of high-temperature-resistant adhesive tape for lithium battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111925754A (en) * | 2020-07-24 | 2020-11-13 | 佛山市益创航峰包装材料有限公司 | Modified acrylic rubber adhesive, preparation method thereof and termination adhesive tape |
| CN112877001A (en) * | 2021-01-14 | 2021-06-01 | 安徽英诺高新材料有限公司 | Preparation method of high-temperature-resistant adhesive tape for lithium battery |
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Address after: No.3-3, Kaifeng Road, Yantai Economic and Technological Development Zone, Shandong Province 264006 Applicant after: Yantai Debang Technology Co.,Ltd. Address before: No.3-3 Kaifeng Road, Yantai Development Zone, Shandong Province Applicant before: DARBOND TECHNOLOGY Co.,Ltd. |
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