CN109355025A - Tab electrolyte resistance pressure-sensitive adhesive agent and preparation method and electrolyte resistance polar ear adhesive belt - Google Patents
Tab electrolyte resistance pressure-sensitive adhesive agent and preparation method and electrolyte resistance polar ear adhesive belt Download PDFInfo
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- CN109355025A CN109355025A CN201811193151.8A CN201811193151A CN109355025A CN 109355025 A CN109355025 A CN 109355025A CN 201811193151 A CN201811193151 A CN 201811193151A CN 109355025 A CN109355025 A CN 109355025A
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- 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
- C09J11/08—Macromolecular additives
-
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
-
- 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
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- 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
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
-
- 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
- C09J2433/00—Presence of (meth)acrylic polymer
-
- 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
- C09J2479/00—Presence of polyamine or polyimide
- C09J2479/08—Presence of polyamine or polyimide polyimide
- C09J2479/086—Presence of polyamine or polyimide polyimide in the substrate
Abstract
The present invention relates to lithium battery field of safety protection, and in particular to lithium battery pole ear electrolyte resistance pressure-sensitive adhesive agent and preparation method and electrolyte resistance polar ear adhesive belt.A kind of tab electrolyte resistance pressure-sensitive adhesive agent, including 10~50 parts of Isooctyl acrylate monomers, 1~30 part of octadecyl acrylate, 1~20 part of butyl acrylate, 1~5 part of 4- methacryloxyethyl trimellitic anhydride, 1~10 part of methyl acrylate, 1~5 part of tetrahydrofuran acrylate, 0.001~0.5 part of radical initiator peroxidating Malaysia tert-butyl acrylate, 0.001~1 part of ferric trichloride, 0.01~2 part of triphenyl phosphorus, 50~150 parts of organic solvent, 1~10 part of epoxidized polybutadiene and 0.1~1 part of curing accelerator.The present invention solves the problems, such as that conventional acrylic polar ear adhesive belt is easily carbonized nigrescence, eliminates small molecule oligomer labile problem in charge and discharge process.The electrolyte resistance performance of adhesive tape is further improved, solves the problems, such as conventional rubber-modified acrylate pressure sensitive adhesive poor compatibility.
Description
Technical field
The present invention relates to lithium battery field of safety protection, and in particular to lithium battery pole ear electrolyte resistance pressure-sensitive adhesive agent and system
Preparation Method and electrolyte resistance polar ear adhesive belt.
Background technique
In the assembling production process of lithium ion battery, generally using special adhesive tape to the tab position of lithium ion battery into
Row is fixed, insulate and protects.It is substrate that this lithium battery special adhesive tape, which generallys use macromolecule PI film, is coated on this basis
Glue special, with a thickness of 20~100 mm.Lithium battery special adhesive tape will usually have preferable viscosity good, adhesive tape open do not stay it is residual
Glue, high temperature resistant, electrolyte resistance, the performances such as electric insulating quality height.Acrylic acid acrylic glue is usually used in being coated on PI film at present
On, it is fabricated to polar ear adhesive belt.Acrylic system polar ear adhesive belt, although showing preferable viscosity, is not easy in cell assembling processes
It warps, shows preferable fixation and insulating effect.But it is used in charge and discharge process in battery, the adhesive layer of polar ear adhesive belt
Easily there is easily carbonization nigrescence phenomenon.This main cause is that most of acrylic system pressure sensitive adhesives are closed using general radical polymerization
At molecular weight distribution is wider, and small molecule oligomer is easily decomposed in charge and discharge process, carbonization occurs and blacks.Meanwhile third
Olefin(e) acid system polar ear adhesive belt electrolyte resistance performance is poor, degumming phenomenon easily occurs.
Summary of the invention
Therefore, an object of the present disclosure is to provide a kind of good viscosity, high temperature resistant, electrolyte resistance and the good tab of stability
Electrolyte resistance pressure-sensitive adhesive agent.
What above-mentioned purpose was realized in.
A kind of tab electrolyte resistance pressure-sensitive adhesive agent, the acrylic acid including 10~50 parts of Isooctyl acrylate monomers, 1~30 part
Octadecyl ester, 1~20 part of butyl acrylate, 1~5 part of 4- methacryloxyethyl trimellitic anhydride, 1~10 part
Methyl acrylate, 1~5 part of tetrahydrofuran acrylate, 0.001~0.5 part of radical initiator peroxidating maleic acid uncle
Butyl ester, 0.001~1 part of ferric trichloride, 0.01~2 part of triphenyl phosphorus, 50~150 parts of organic solvent, 1~10 part of ring
Aoxidize polybutadiene and 0.1~1 part of curing accelerator；It is above mass fraction.
The above technical solution can be further improved as follows.
The organic solvent is ethyl acetate, one of toluene and butyl acetate or two kinds of mixtures or three kinds of mixing
Object.
The epoxide number of the epoxidized polybutadiene be 0.25~0.55 mol/100g and number-average molecular weight be 1000~
2500。
The curing accelerator is triethanolamine, dimethylaniline and 2, one in 4,6- tri- (dimethylamino methyl) phenol
Kind or two kinds of mixtures or three kinds of mixtures.
The present invention second is designed to provide a kind of good viscosity, high temperature resistant, electrolyte resistance and the good resistance to electricity of tab of stability
Solve the preparation method of hydraulic quick adhesive.
What above-mentioned purpose was realized in.
A kind of preparation method of tab electrolyte resistance pressure-sensitive adhesive agent, by 10~50 parts of Isooctyl acrylate monomer, 1~30 part
Octadecyl acrylate, 1~20 part of butyl acrylate, 1~5 part of 4- methacryloxyethyl trimellitic anhydride, 1
~10 parts of methyl acrylate, 1~5 part of tetrahydrofuran acrylate, 0.001~0.5 part of radical initiator peroxidating
Malaysia tert-butyl acrylate, 0.001~1 part of ferric trichloride, 0.01~2 part of triphenyl phosphorus and 50~150 parts of organic solvent are mixed
After conjunction, after carrying out nitrogen deoxygenation 30~120 minutes, temperature control carries out reversed atom transfer certainly in 60~120 DEG C under nitrogen protection
It is polymerize by base, polymerization reaction 1~20 hour, number-average molecular weight control is 200000~400000, molecular weight polydisperse system numerical control
1.0~1.5 are made as, glass transition temperature controls between -45~20 DEG C, and reaction temperature is down between 10~30 DEG C, then plus
Enter 1~10 part of epoxidized polybutadiene and after 0.1~1 part of curing accelerator mixed, obtains the dedicated electrolyte resistance of tab
Pressure-sensitive adhesive agent；It is above mass fraction.
Third of the present invention be designed to provide a kind of good viscosity, high temperature resistant, electrolyte resistance and stability it is good contain tab
The electrolyte resistance polar ear adhesive belt of electrolyte resistance pressure-sensitive adhesive agent.
What above-mentioned purpose was realized in.
A kind of electrolyte resistance polar ear adhesive belt, including polyimide film layer, tab electrolyte resistance pressure-sensitive adhesive oxidant layer and every
Absciss layer, separation layer are located at polyimide film layer front, and tab electrolyte resistance pressure-sensitive adhesive oxidant layer is located at polyimide film layer
Reverse side, then winding cutting, obtains electrolyte resistance polar ear adhesive belt.Tab electrolyte resistance pressure-sensitive adhesive oxidant layer component are as follows: including 10
~50 parts of Isooctyl acrylate monomer, 1~30 part of octadecyl acrylate, 1~20 part of butyl acrylate, 1~5 part of 4- first
Base acryloyl-oxyethyl trimellitic anhydride, 1~10 part of methyl acrylate, 1~5 part of tetrahydrofuran acrylate,
0.001~0.5 part of radical initiator peroxidating Malaysia tert-butyl acrylate, 0.001~1 part of ferric trichloride, 0.01~2 part
Triphenyl phosphorus, 50~150 parts of organic solvent, 1~10 part of epoxidized polybutadiene and 0.1~1 part of curing accelerator；With
On be mass fraction, the above technical solution can be further improved as follows.
Non-silicon interleaving agent is first uniformly coated on 1~100 mm polyimide film layer front, is subsequently placed in 80~120
At DEG C, 1~5 min of heat preservation solidification obtains 0.1~2 mm separation layer.
Tab electrolyte resistance pressure-sensitive adhesive agent is uniformly coated on polyimide film layer reverse side again, it is subsequently placed in 80~
At 130 DEG C, heat preservation and dryness solidifies 1~20 min, obtains 1~30mm tab electrolyte resistance pressure-sensitive adhesive oxidant layer.
The present invention obtains molecular weight distribution compared with narrow structure using reverse atom transfer radical polymerization method (R-ARTP) polymerization
Uniform adhesive adds the low epoxidized polybutadiene of polarity and is crosslinked, and improves cohesive force and nonpolarity, obtains one kind
The cross-linking modified electrolyte resistance acrylic pressure sensitive adhesive tape of polybutadiene.
The present invention solves the problems, such as that conventional acrylic polar ear adhesive belt is easily carbonized nigrescence.Invention selects reversed atom transfer certainly
By base polymerization (R-ARTP) polymerization, it is uniform quick with the relatively narrow anhydride-modified propylene's acid fracturing of molecular weight distribution chemical structure has been synthesized
Glue.The system eliminates small molecule oligomer labile problem in charge and discharge process.
In order to further enhance the high temperature electrolyte resistance performance of acrylate pressure sensitive adhesive, the present invention uses non-polar low molecular weight
Epoxidized polybutadiene be crosslinking agent, using epoxy-functional solidify anhydride-modified propylene's acid pressure sensitive adhesive, further improve
The electrolyte resistance performance of adhesive tape.Polybutadiene is scattered in acrylate pressure sensitive adhesive system by being chemically crosslinked network, solves biography
The problem of modified rubber acrylate pressure sensitive adhesive poor compatibility of uniting.
Detailed description of the invention
Fig. 1 is embodiment lithium battery electrolyte resistance polar ear adhesive belt structural schematic diagram.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Number involved in following embodiment is mass fraction.
Embodiment one, is a kind of dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear and electrolyte resistance polar ear adhesive belt,
It is prepared by the following steps to obtain, step 1, the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear is synthesized, by 40 parts of acrylic acid
Different monooctyl ester (EHA), 10 parts of octadecyl acrylate (SA), 15 parts of butyl acrylate (BA), 3 parts of 4- methacryloxypropyl
Base ethyl trimellitic anhydride (4-META), 5 parts of methyl acrylate (MMA), 2 parts of tetrahydrofuran acrylate (THFA),
0.01 part of radical initiator peroxidating Malaysia tert-butyl acrylate (TBMA), 0.1 part of ferric trichloride, 0.2 part of triphenyl phosphorus
After 100 parts of toluene mixing, after carrying out nitrogen deoxygenation 80 minutes, temperature control carries out reversed atom in 90 DEG C under nitrogen protection
Transferring free-radical polymerization (R-ARTP) polymerization reaction 10 hours, number-average molecular weight (Mn) control are 356900, molecular weight polydispersion
Coefficient control be 1.4, reaction temperature is down to 30 DEG C, add 7 parts epoxidized polybutadiene (epoxide number be 0.54 mol/
100g, number-average molecular weight 2066) and after 0.1 part of 2,4,6- tri- (dimethylamino methyl) phenol of curing accelerator mixed,
Obtain the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear；It is above mass fraction.
In conjunction with Fig. 1, the preparation of step 2 electrolyte resistance polar ear adhesive belt.
Non-silicon interleaving agent RL-600 is first uniformly coated on 25 mm polyimide film layer, 1 front, is subsequently placed in 120 DEG C
Under, 5 min of heat preservation solidification obtains 0.4 mm separation layer 2.
It is thin that the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear prepared by step 1 is uniformly coated on polyimides again
1 reverse side of film layer, is subsequently placed at 120 DEG C, and heat preservation and dryness solidifies 2 min, obtains the dedicated electrolyte resistance pressure of 20 mm lithium battery pole ears
Quick adhesive layer 3, then winding cutting, obtains the dedicated electrolyte resistance polar ear adhesive belt of lithium battery.
Embodiment two, is a kind of dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear and electrolyte resistance polar ear adhesive belt,
It is prepared by the following steps to obtain, step 1 synthesizes the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear, by 30 parts of acrylic acid
Different monooctyl ester (EHA), 20 parts of octadecyl acrylate (SA), 5 parts of butyl acrylate (BA), 5 parts of 4- methacryloxy
Ethyl trimellitic anhydride (4-META), 8 parts of methyl acrylate (MMA), 1 part of tetrahydrofuran acrylate (THFA), 0.04
Radical initiator peroxidating Malaysia tert-butyl acrylate (TBMA), 0.1 part of the ferric trichloride, 0.2 part of triphenyl phosphorus and 80 of part
After the ethyl acetate mixing of part, after carrying out nitrogen deoxygenation 50 minutes, temperature control carries out reversed atom under nitrogen protection and turns in 80 DEG C
Move free radical polymerization (R-ARTP) polymerization reaction 14 hours, number-average molecular weight (Mn) control is 274600, molecular weight polydisperse system
Numerical control is made as 1.3, and reaction temperature is down to 25 DEG C, add 6 parts epoxidized polybutadiene (epoxide number be 0.28 mol/100g,
Number-average molecular weight is after 1414) being mixed with 0.1 part of curing accelerator dimethylaniline, to obtain the dedicated resistance to electricity of lithium battery pole ear
Solve hydraulic quick adhesive；It is above mass fraction.
In conjunction with Fig. 1, the preparation of step 2 electrolyte resistance polar ear adhesive belt.
Non-silicon interleaving agent RL-600 is first uniformly coated on 1 front of polyimide film layer, is subsequently placed at 100 DEG C, protects
Temperature 6 min of solidification, obtain 0.5 mm separation layer 2.
It is thin that the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear prepared by step 1 is uniformly coated on polyimides again
1 reverse side of film layer, is subsequently placed at 110 DEG C, and heat preservation and dryness solidifies 10 min, obtains the 30 dedicated electrolyte resistances of mm lithium battery pole ear
Pressure-sensitive adhesive oxidant layer 3, then winding cutting, obtains the dedicated electrolyte resistance polar ear adhesive belt of lithium battery.
Embodiment three, is a kind of dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear and electrolyte resistance polar ear adhesive belt,
It is prepared by the following steps to obtain, step 1 synthesizes the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear, by 50 parts of acrylic acid
Different monooctyl ester (EHA), 10 parts of octadecyl acrylate (SA), 15 parts of butyl acrylate (BA), 5 parts of 4- methacryloxy
Ethyl trimellitic anhydride (4-META), 10 parts of methyl acrylate (MMA), 2 parts of tetrahydrofuran acrylate (THFA), 0.06
Radical initiator peroxidating Malaysia tert-butyl acrylate (TBMA), 0.1 part of the ferric trichloride, 0.2 part of triphenyl phosphorus and 70 of part
After the ethyl acetate mixing of part, after carrying out nitrogen deoxygenation 100 minutes, temperature control carries out reversed atom in 85 DEG C under nitrogen protection
When transferring free-radical polymerization (R-ARTP) polymerization reaction 10, number-average molecular weight (Mn) control is 238700, molecular weight polydisperse system
Numerical control is made as 1.2, and reaction temperature is down to 20 DEG C, add 5 parts epoxidized polybutadiene (epoxide number be 0.28 mol/100g,
Number-average molecular weight is after 1414) being mixed with 0.2 part of curing accelerator triethanolamine, to obtain the dedicated resistance to electrolysis of lithium battery pole ear
Hydraulic quick adhesive；It is above mass fraction.
In conjunction with Fig. 1, the preparation of step 2 electrolyte resistance polar ear adhesive belt.
Non-silicon interleaving agent RL-600 is first uniformly coated on 30 mm polyimide film layer, 1 front, is subsequently placed in 90 DEG C
Under, 3 min of heat preservation solidification obtains 0.2 mm separation layer 2.
It is thin that the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear prepared by step 1 is uniformly coated on polyimides again
1 reverse side of film layer, is subsequently placed at 130 DEG C, and heat preservation and dryness solidifies 10 min, obtains the 15 dedicated electrolyte resistances of mm lithium battery pole ear
Pressure-sensitive adhesive oxidant layer 3, then winding cutting, obtains the dedicated electrolyte resistance polar ear adhesive belt of lithium battery.
Example IV, is a kind of dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear and electrolyte resistance polar ear adhesive belt,
It is prepared by the following steps to obtain, step 1 synthesizes the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear, by 20 parts of acrylic acid
Different monooctyl ester (EHA), 20 parts of octadecyl acrylate (SA), 20 parts of butyl acrylate (BA), 5 parts of 4- methacryloxy
Ethyl trimellitic anhydride (4-META), 5 parts of methyl acrylate (MMA), 4 parts of tetrahydrofuran acrylate (THFA), 0.08
Radical initiator peroxidating Malaysia tert-butyl acrylate (TBMA), 0.2 part of the ferric trichloride, 0.4 part of triphenyl phosphorus and 60 of part
After the butyl acetate mixing of part, nitrogen deoxygenation is carried out after sixty minutes, temperature control carries out reversed atom under nitrogen protection and turn in 85 DEG C
Move free radical polymerization (R-ARTP) polymerization reaction 10 hours, number-average molecular weight (Mn) control is 213000, molecular weight polydisperse system
Numerical control is made as 1.2, and reaction temperature is down to 20 DEG C, add 7 parts epoxidized polybutadiene (epoxide number be 0.54 mol/100g,
Number-average molecular weight is after 2066) being mixed with 0.2 part of 2,4,6- tri- (dimethylamino methyl) phenol of curing accelerator, to obtain lithium
The dedicated electrolyte resistance pressure-sensitive adhesive agent of battery pole ear；It is above mass fraction.
In conjunction with Fig. 1, the preparation of step 2 electrolyte resistance polar ear adhesive belt.
Non-silicon interleaving agent RL-600 is first uniformly coated on 40 mm polyimide film layer, 1 front, is subsequently placed in 80 DEG C
Under, 2 min of heat preservation solidification obtains 1 mm separation layer 2.
It is thin that the dedicated electrolyte resistance pressure-sensitive adhesive agent of lithium battery pole ear prepared by step 1 is uniformly coated on polyimides again
1 reverse side of film layer, is subsequently placed at 125 DEG C, and heat preservation and dryness solidifies 5min, obtains the dedicated electrolyte resistance pressure of 10 mm lithium battery pole ears
Quick adhesive layer 3, then winding cutting, obtains the dedicated electrolyte resistance polar ear adhesive belt of lithium battery.
The present invention is dedicated resistance to referring to the lithium battery that the universal method of current test tape obtains the four kinds of above embodiments
Electrolyte polar ear adhesive belt carries out mending viscosity, 180 ° of peeling forces, high temperature electrolyte resistance performance index test and charge and discharge cycles test.
Tack is tested referring to GB/T4852-2002 standard.180 ° of peeling forces are tested referring to GB/T2792-2014 standard.
All test data comparative situations are see the following table 1.
Each embodiment specific performance of table 1 tests control case
It can be seen that the dedicated electrolyte resistance polar ear adhesive belt of lithium battery prepared by the present invention with excellent resistance to electricity from the data of table 1
Solving fluidity can be with anti-voltage ageing performance.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (5)
1. a kind of tab electrolyte resistance pressure-sensitive adhesive agent, it is characterised in that: including 10~50 parts of Isooctyl acrylate monomers, 1~30
Part octadecyl acrylate, 1~20 part of butyl acrylate, 1~5 part of 4- methacryloxyethyl trimellitic anhydride,
1~10 part of methyl acrylate, 1~5 part of tetrahydrofuran acrylate, 0.001~0.5 part of radical initiator peroxide
Change Malaysia tert-butyl acrylate, 0.001~1 part of ferric trichloride, 0.01~2 part of triphenyl phosphorus, 50~150 parts of organic solvent, 1
~10 parts of epoxidized polybutadiene and 0.1~1 part of curing accelerator；It is above mass fraction.
2. a kind of tab electrolyte resistance pressure-sensitive adhesive agent according to claim 1, it is characterised in that:
The organic solvent is ethyl acetate, one of toluene and butyl acetate or two kinds of mixtures or three kinds of mixtures；
The epoxide number of the epoxidized polybutadiene is 0.25~0.55 mol/100g and number-average molecular weight is 1000~2500；
The curing accelerator be triethanolamine, dimethylaniline and 2, one of 4,6- tri- (dimethylamino methyl) phenol or
Two kinds of mixtures or three kinds of mixtures.
3. a kind of preparation method of tab electrolyte resistance pressure-sensitive adhesive agent, is characterized in that: by 10~50 parts of Isooctyl acrylate monomer,
1~30 part of octadecyl acrylate, 1~20 part of butyl acrylate, the inclined benzene three of 1~5 part of 4- methacryloxyethyl
Acid anhydrides, 1~10 part of methyl acrylate, 1~5 part of tetrahydrofuran acrylate, 0.001~0.5 part of radical initiator
Peroxidating Malaysia tert-butyl acrylate, 0.001~1 part of ferric trichloride, 0.01~2 part of triphenyl phosphorus and 50~150 parts it is organic
After solvent mixing, after carrying out nitrogen deoxygenation 30~120 minutes, temperature control carries out reversed atom in 60~120 DEG C under nitrogen protection
Transferring free-radical polymerization, polymerization reaction 1~20 hour, number-average molecular weight control was 200000~400000, molecular weight polydispersion
Coefficient control be 1.0~1.5, glass transition temperature control between -45~20 DEG C, reaction temperature be down to 10~30 DEG C it
Between, it adds 1~10 part of epoxidized polybutadiene and after 0.1~1 part of curing accelerator mixed, obtains the resistance to electrolysis of tab
Hydraulic quick adhesive；It is above mass fraction.
4. a kind of electrolyte resistance polar ear adhesive belt, it is characterised in that: including polyimide film layer, contain pole described in claim 1
Ear electrolyte resistance pressure-sensitive adhesive oxidant layer and separation layer, separation layer is located at polyimide film layer front, containing described in claim 1
Tab electrolyte resistance pressure-sensitive adhesive oxidant layer is located at polyimide film layer reverse side, then winding cutting, obtains electrolyte resistance tab
Adhesive tape.
5. electrolyte resistance polar ear adhesive belt according to claim 4, it is characterised in that:
Non-silicon interleaving agent is first uniformly coated on 1~100 mm polyimide film layer front, is subsequently placed at 80~120 DEG C,
1~5 min of heat preservation solidification obtains 0.1~2 mm separation layer；
It will be uniformly coated on polyimide film layer reverse side containing tab electrolyte resistance pressure-sensitive adhesive agent described in claim 1 again,
It is subsequently placed at 80~130 DEG C, heat preservation and dryness solidifies 1~20 min, and it is resistance to that 1~30mm of acquisition contains tab described in claim 1
Electrolyte pressure-sensitive adhesive oxidant layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811193151.8A CN109355025A (en) | 2018-10-14 | 2018-10-14 | Tab electrolyte resistance pressure-sensitive adhesive agent and preparation method and electrolyte resistance polar ear adhesive belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811193151.8A CN109355025A (en) | 2018-10-14 | 2018-10-14 | Tab electrolyte resistance pressure-sensitive adhesive agent and preparation method and electrolyte resistance polar ear adhesive belt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109355025A true CN109355025A (en) | 2019-02-19 |
Family
ID=65349322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811193151.8A Pending CN109355025A (en) | 2018-10-14 | 2018-10-14 | Tab electrolyte resistance pressure-sensitive adhesive agent and preparation method and electrolyte resistance polar ear adhesive belt |
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|---|---|
| CN (1) | CN109355025A (en) |
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| 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 |
| CN113801597A (en) * | 2021-10-19 | 2021-12-17 | 芜湖徽氏新材料科技有限公司 | PI adhesive tape based on lithium battery welding spot protection and preparation method thereof |
| CN114015056A (en) * | 2021-10-13 | 2022-02-08 | 佛山市顺德区永创翔亿电子材料有限公司 | Voltage-resistant electrolyte-resistant copolymer, tab adhesive and tab tape |
| CN115785329A (en) * | 2022-11-29 | 2023-03-14 | 佛山市顺德区永创翔亿电子材料有限公司 | Acrylate dispersant, preparation method thereof, acrylate adhesive and termination adhesive tape |
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| CN108485556A (en) * | 2018-02-07 | 2018-09-04 | 东莞市方恩电子材料科技有限公司 | A kind of solvent acrylates type acid and alkali-resistance pressure sensitive adhesive adhesive tape and its preparation method and application |
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| CN108219694A (en) * | 2017-12-21 | 2018-06-29 | 四川东材科技集团股份有限公司 | A kind of lithium battery environment friendly heat resistant terminal adhesive tape and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN114015056A (en) * | 2021-10-13 | 2022-02-08 | 佛山市顺德区永创翔亿电子材料有限公司 | Voltage-resistant electrolyte-resistant copolymer, tab adhesive and tab tape |
| CN114015056B (en) * | 2021-10-13 | 2023-02-21 | 佛山市顺德区永创翔亿电子材料有限公司 | Voltage-resistant electrolyte-resistant copolymer, tab adhesive and tab tape |
| CN113801597A (en) * | 2021-10-19 | 2021-12-17 | 芜湖徽氏新材料科技有限公司 | PI adhesive tape based on lithium battery welding spot protection and preparation method thereof |
| CN115785329A (en) * | 2022-11-29 | 2023-03-14 | 佛山市顺德区永创翔亿电子材料有限公司 | Acrylate dispersant, preparation method thereof, acrylate adhesive and termination adhesive tape |
| CN115785329B (en) * | 2022-11-29 | 2023-08-25 | 佛山市顺德区永创翔亿电子材料有限公司 | Acrylic ester dispersing agent, preparation method thereof, acrylic ester adhesive and termination adhesive tape |
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Application publication date: 20190219 |