CN103911088B - A kind of acrylate pressure-sensitive adhesive band and preparation method thereof and lithium ion battery - Google Patents

A kind of acrylate pressure-sensitive adhesive band and preparation method thereof and lithium ion battery Download PDF

Info

Publication number
CN103911088B
CN103911088B CN201410165149.5A CN201410165149A CN103911088B CN 103911088 B CN103911088 B CN 103911088B CN 201410165149 A CN201410165149 A CN 201410165149A CN 103911088 B CN103911088 B CN 103911088B
Authority
CN
China
Prior art keywords
acrylate
sensitive adhesive
pressure
monomer
acrylate monomer
Prior art date
Application number
CN201410165149.5A
Other languages
Chinese (zh)
Other versions
CN103911088A (en
Inventor
李周
Original Assignee
深圳市美信电子有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 深圳市美信电子有限公司 filed Critical 深圳市美信电子有限公司
Priority to CN201410165149.5A priority Critical patent/CN103911088B/en
Publication of CN103911088A publication Critical patent/CN103911088A/en
Application granted granted Critical
Publication of CN103911088B publication Critical patent/CN103911088B/en

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention provides a kind of acrylate pressure-sensitive adhesive band and preparation method thereof and the lithium ion battery using this acrylate pressure-sensitive adhesive band, this acrylate pressure-sensitive adhesive band, comprise the pressure-sensitive adhesive agent of base material and substrate surface, described pressure-sensitive adhesive agent comprises acrylate copolymer and crosslinking and curing agent, described acrylate copolymer is obtained by acrylate monomer polymerization, and described acrylate monomer comprises the first acrylate monomer, the second acrylate monomer and triacrylate monomer; Described first acrylate monomer comprises the acrylate monomer of lower glass transition temperatures; Described second acrylate monomer comprises the acrylate monomer of high glass-transition temperature; Described triacrylate monomer comprises acrylate-functional monomer, and its making is simple, easy to use, with low cost, has enough viscosity and weather resistance, can stand the immersion of long electrolytic solution.

Description

A kind of acrylate pressure-sensitive adhesive band and preparation method thereof and lithium ion battery

Technical field

The present invention relates to a kind of acrylate pressure-sensitive adhesive band and preparation method thereof and the lithium ion battery using this acrylate pressure-sensitive adhesive band.

Background technology

Lithium ion battery belongs to the important a kind of product of new forms of energy, has the advantages such as pollution-free, capacity is high, have extended cycle life, and is widely used in the fields such as automobile power cell, tool batteries, the network energy at present, requires also more and more higher to its safety performance etc.

At present, in the assembling production process of lithium ion battery, the general adhesive tape that uses is to the battery core of lithium ion battery, and lug and termination position are fixed, insulate and protect, and simple cost is low.But adhesive tape all can touch the electrolytic solution of lithium ion battery in cell assembling processes and later stage application process, therefore the adhesive tape being applied to lithium ion battery needs the long period of soaking tolerating electrolytic solution, leachable is not had after electrolytic solution long period of soaking, can not be formed electrolyte system and pollute, can enough adhesive properties be kept simultaneously, prevent the seepage of electrolytic solution.And existing adhesive tape all has degradation in various degree after soaking in the electrolytic solution of battery.Capital more or less occurs that adhesive tape itself is by electrolytic corrosion; Sizing agent comes off from film material, thus loses viscosity; Or some composition in sizing agent is discharged in electrolytic solution, thus pollute electrolytic solution, reduce the quality of battery, the problems such as safety and use mission, make it limited in the application of lithium ion battery.

Existing adhesive tape generally comprises the pressure-sensitive adhesive agent of base material and substrate surface, and wherein, base material is generally polyethylene film, polypropylene film, polyester film or Kapton etc.Uncoiling when being generally easy to use and application, have release layer in another surface-coated of base material, and the material of described release layer is generally the non-silicon parting agent of polysiloxane parting agent or polyacrylic ester and polyethylene wax modification.Pressure-sensitive adhesive agent comprises silicone based pressure-sensitive adhesive agent, the agent of rubber series pressure-sensitive adhesive and pressure-sensitive acrylate and sticks agent etc.

Pressure-sensitive acrylate sticks agent with the processing characteristics of its excellence, and excellent Long-Term Properties and ageing resistance are widely used.But existing acrylate pressure-sensitive adhesive band is generally several (more than two kinds) random simple acrylate monomer at the acrylate copolymer that the pressure-sensitive acrylate that substrate surface applies sticks in agent and obtains after mixing post polymerization, still exist after electrolytic solution soaks, viscosity is inadequate, the position of wrapping has warping in various degree, cause solution leakage, there is certain potential safety hazard.

Summary of the invention

The present invention is in order to solve the technical problem of existing acrylate pressure-sensitive adhesive band not electrolyte resistance, there is provided a kind of making simple, easy to use, with low cost, there is enough viscosity and weather resistance, acrylate pressure-sensitive adhesive band that can stand the immersion of long electrolytic solution and preparation method thereof and the lithium ion battery using this acrylate pressure-sensitive adhesive band.

First object of the present invention is to provide a kind of acrylate pressure-sensitive adhesive band, this acrylate pressure-sensitive adhesive band comprises the pressure-sensitive adhesive agent of base material and substrate surface, described pressure-sensitive adhesive agent comprises acrylate copolymer and crosslinking and curing agent, described acrylate copolymer is obtained by acrylate monomer polymerization, and described acrylate monomer comprises the first acrylate monomer, the second acrylate monomer and triacrylate monomer; Described first acrylate monomer comprises the acrylate monomer of lower glass transition temperatures; Described second acrylate monomer comprises the acrylate monomer of high glass-transition temperature; Described triacrylate monomer comprises acrylate-functional monomer.

Second object of the present invention is to provide the preparation method of aforesaid propylene acid esters Pressuresensitive Tape, S1, the preparation of acrylate copolymer: acrylate monomer is polymerized by initiator; S2, is mixed in organic solvent by acrylate copolymer obtained for step S1 and crosslinking and curing agent, after be coated in substrate surface; Described acrylate monomer comprises the first acrylate monomer, the second acrylate monomer and triacrylate monomer; Described first acrylate monomer comprises the acrylate monomer of lower glass transition temperatures; Described second acrylate monomer comprises the acrylate monomer of high glass-transition temperature; Described triacrylate monomer comprises acrylate-functional monomer.

3rd object of the present invention is to provide a kind of lithium ion battery, comprise housing and be positioned at battery core and the electrolytic solution of housing, the lug that described battery core comprises pole piece and is electrically connected with pole piece, described pole piece is provided with for insulating or fixing acrylate pressure-sensitive adhesive band, and/or lug is provided with for insulating or fixing acrylate pressure-sensitive adhesive band, described acrylate pressure-sensitive adhesive band is aforesaid propylene acid esters Pressuresensitive Tape.

Compared with prior art, the acrylate pressure-sensitive adhesive band that the present invention is prepared by the acrylate copolymer that the polymerization mix of specific acrylate monomer obtains has enough viscosity and weather resistance, can stand the immersion of long electrolytic solution, after soaking, adhesive tape itself can not by electrolytic corrosion; Sizing agent can not come off from film material, and keeps good viscosity; Also do not have substance release in electrolytic solution, can not cause electrolyte contamination, thus improve the quality of battery, safety and use mission, meet the application requiring in lithium ion battery completely.And its making is simple, easy to use, with low cost.

Accompanying drawing explanation

Fig. 1 is the structural representation of acrylate pressure-sensitive adhesive band prepared by embodiments of the invention 1.

Embodiment

In order to make technical problem solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

The invention provides a kind of acrylate pressure-sensitive adhesive band, comprise the pressure-sensitive adhesive agent of base material and substrate surface, described pressure-sensitive adhesive agent comprises acrylate copolymer and crosslinking and curing agent, described acrylate copolymer is obtained by acrylate monomer polymerization, and described acrylate monomer comprises the first acrylate monomer, the second acrylate monomer and triacrylate monomer; Described first acrylate monomer comprises the acrylate monomer of lower glass transition temperatures; Described second acrylate monomer comprises the acrylate monomer of high glass-transition temperature; Described triacrylate monomer comprises acrylate-functional monomer, and its making is simple, easy to use, with low cost, has enough viscosity and weather resistance, can stand the immersion of long electrolytic solution.

Wherein, the acrylate monomer of lower glass transition temperatures generally refers to that glass transition temperature Tg is less than the acrylate monomer of-10 DEG C; The acrylate monomer of high glass-transition temperature generally refers to that glass transition temperature Tg is greater than the acrylate monomer of-10 DEG C; Acrylate-functional monomer generally refers to the acrylate monomer with the functional group that can react with solidifying agent further, such as, acrylate monomer containing hydroxyl, carboxyl or epoxy group.

Wherein, base material the present invention be not particularly limited, the various base materials that can be known to the skilled person, the present invention is preferably film substrate, and the material of base material can comprise one or more in polyethylene (PE), polypropylene (PP), polyester (PET) and polyimide.The thickness of general base material does not also limit, and can select according to practical application, and the thickness of preferred substrates of the present invention is 3um ~ 150um, further preferred 8um ~ 75um, and not only performance is more excellent, is more better than for lithium ion battery.

Preferably, first acrylate monomer is selected from one or more in (methyl) lauryl acid esters, Isooctyl acrylate monomer or butyl acrylate, further preferably the first acrylate monomer comprises (methyl) lauryl acid esters, namely must contain (methyl) lauryl acid esters, it is more excellent that (methyl) lauryl acid esters is applied to Pressuresensitive Tape performance.Preferably the first acrylate monomer contains at least two kinds of acrylate monomers further, namely preferentially containing the mixing of (methyl) lauryl acid esters with other such as Isooctyl acrylate monomer or butyl acrylates etc.

Preferentially, the second acrylate monomer is selected from one or more in (methyl) methyl acrylate, ethyl propenoate, vinylformic acid or vinyl acetate.

Preferentially, triacrylate monomer is selected from one or more in (methyl) vinylformic acid, Hydroxyethyl acrylate, hydroxyethyl methylacrylate, (methyl) Propylene glycol monoacrylate, β-propyloic acrylic ester or (methyl) glycidyl acrylate.

The more excellent embodiment of one of the present invention, such as, in specific embodiment, acrylate monomer comprises (methyl) lauryl acid esters, Isooctyl acrylate monomer, vinylformic acid and Hydroxyethyl acrylate, the Pressuresensitive Tape of preparation shows the electrolytic solution ability of excellent resistance to lithium ion battery, periphery little or nothing warps after being soaked by electrolytic solution, is less than the bond area of 5%.

Preferentially, relative to the acrylate monomer of 100 weight parts, described acrylate monomer comprises the first acrylate monomer, the second acrylate monomer of 1 ~ 40 weight part, the triacrylate monomer of 1 ~ 15 weight part of 40 ~ 90 weight parts.

Preferentially, crosslinking and curing agent is selected from one or more in polyisocyanate compound, the solidifying agent being with epoxy-functional, chelate of metal ion and aziridines solidifying agent.Preferential crosslinking and curing agent is polyisocyanate compound further.Combined by crosslinking and curing agent of the present invention and acrylate copolymer of the present invention, mutual synergy therebetween, make the Pressuresensitive Tape performance that obtains more excellent.

When base material be film substrate or base material two surface all containing sizing agent time, for ease of transport, use etc., at least one surface of adhesive tape can be provided with release layer, better embodiment of the present invention can comprise base material, the pressure-sensitive adhesive agent of base material one side surface and the release layer on base material opposite side surface for acrylate pressure-sensitive adhesive band, uncoiling time easy to use by release layer and application.

Release layer the present invention be not particularly limited, the various release layers that can be known to the skilled person, and such as, release layer material can be silicone release agent, comprises the silicone release agent formed by polysiloxane polymer and composition thereof; Also can be the non-silicon parting agent of acrylate copolymer; Can also be by polyvinyl alcohol modification after non-silicon parting agent.Preferably by the non-silicon parting agent after polyvinyl alcohol modification.Preferably, the thickness of release layer is 0.01um ~ 5um, more preferably 0.08um ~ 1um.

Pressure-sensitive adhesive agent of the present invention can select other to prepare burden according to relevant needs of product, such as, can add the additives such as tackifying resin in above-mentioned batching, the various tackifying resins that tackifying resin can be known to the skilled person, can be commercial.Preferred tackifying resin is one or more in terpine resin, polymerization terpine resin, Gum Rosin, esterified rosin resin and C5 ~ C9 petroleum resin, and further preferably, tackifying resin is esterified rosin resin.

In pressure-sensitive adhesive agent of the present invention, the consumption of each component is preferred, relative to the pressure-sensitive adhesive agent of 100 weight parts, described pressure-sensitive adhesive agent comprises the crosslinking and curing agent of the acrylate copolymer of 50 ~ 85 weight parts, the tackifying resin of 3 ~ 50 weight parts and 0.01 ~ 5 weight part, further preferably, relative to the pressure-sensitive adhesive agent of 100 weight parts, described pressure-sensitive adhesive agent comprises the crosslinking and curing agent of the acrylate copolymer of 50 ~ 85 weight parts, the tackifying resin of 10 ~ 40 weight parts and 0.08 ~ 1 weight part.

Invention also provides a kind of preparation method of acrylate pressure-sensitive adhesive band, step comprises: S1, the preparation of acrylate copolymer: acrylate monomer is polymerized by initiator.Wherein, acrylate monomer comprises the first acrylate monomer, the second acrylate monomer and triacrylate monomer; Described first acrylate monomer comprises the acrylate monomer of lower glass transition temperatures; Described second acrylate monomer comprises the acrylate monomer of high glass-transition temperature; Described triacrylate monomer comprises acrylate-functional monomer.

Wherein, acrylate monomer is polymerized by initiator, and wherein, preferred initiator is selected from azo-initiator, such as Diisopropyl azodicarboxylate (AIBN), azo-bis-iso-dimethyl etc.; Peroxide initiator, such as benzoyl peroxide (BPO) etc., in one or more.Preferably, relative to the acrylate monomer of 100 weight parts, the amount of initiator is 0.01 ~ 1.0 weight part.

Generally, polyreaction is carried out in a solvent, solvent can be selected from toluene, ethyl acetate, butanols, Virahol or acetone one or several.Generally, the amount of solvent can adjust as required, and the present invention is preferred, and relative to the acrylate monomer of 100 weight parts, the amount of solvent is 60 ~ 300 weight parts.

S2, is mixed in organic solvent by acrylate copolymer obtained for step S1 and crosslinking and curing agent, after be coated in substrate surface.Wherein, mixing of materials is mixed by the raw material conventional mixing method of above-mentioned formula.Coating the present invention also do not limit, and the one side that can be coated in base material also can be two sides.According to the character of base material, for convenience of uncoiling and application, first can be coated with parting agent on a surface of base material and prepare release layer.

Step is specifically as follows:

(1) preparation of acrylate copolymer:

Acrylate monomer 100 weight part mixed is added in reactor and stirs, add solvent 60 ~ 300 weight part again, and pass into the oxygen in nitrogen discharge reactor and material, and keep certain pressure, stir, and stir while heat up, the temperature of charge in reactor is raised to 60 DEG C, keeps, add initiator, then be warmed up to 65 DEG C ~ 85 DEG C and start reaction, keep the temperature-stable of reactor, keep reaction 8 ~ 24 hours.After to be cooled to 40 DEG C of dischargings for subsequent use, its solid content is 30% ~ 66%, and viscosity is at 1000 ~ 50000cps.

(2) preparation of release layer

Select base material, base material is film substrate, and material is selected from one or more in polyethylene (PE), polypropylene (PP), polyester (PET) and polyimide.The thickness of film substrate is 8um ~ 75um.

In the mode that selected substrate surface is coated with intaglio plate coating or line rod, the solution containing parting agent is directly coated on the surface of film substrate, gauge control is at 0.08um ~ 1um.

Wherein, parting agent can be the silicone release agent formed by polysiloxane polymer and composition thereof; Also can be the non-silicon parting agent of acrylate copolymer; Can also be by polyvinyl alcohol modification after non-silicon parting agent.The present invention is preferably by the non-silicon parting agent after polyvinyl alcohol modification.

Solution containing parting agent is parting agent etc. dissolved in a solvent, and solvent can be selected from toluene, ethyl acetate, acetone, butanone or Virahol etc. one or several.Also can contain other materials in solution, the present invention does not limit, such as can containing some additives etc.

(3) coating of pressure-sensitive adhesive

By acrylate copolymer 100 weight part of synthesis in above-mentioned steps (1), add a certain amount of tackifying resin and organic solvent while stirring, wherein; tackifying resin is terpine resin, polymerization terpine resin, Gum Rosin; esterified rosin resin, C5 ~ C9 petroleum resin, are preferably esterified rosin resin; Solvent is toluene, ethyl acetate, butanols, Virahol, acetone, can be the composition of one or several above-mentioned substances.After being uniformly mixed, add crosslinking and curing agent and obtain pressure sensitive adhesive solution, crosslinking and curing agent can be one or more in polyisocyanate compound, amine curing agent, the solidifying agent of band epoxy-functional, chelate of metal ion or aziridines solidifying agent, is preferably the solidifying agent of polyisocyanates.

Pressure sensitive adhesive solution obtained above is directly coated on another surface of film substrate, dry in the baking oven of heating, oven temperature is set in 60 DEG C ~ 150 DEG C, bondline thickness is at 1um ~ 60um, preferred thickness, at 5um ~ 50um, then will coat the direct rolling of film substrate, make adhesive tape finished product.

Invention also provides a kind of lithium ion battery, it battery core and the electrolytic solution that comprise housing and be positioned at housing, the lug that described battery core comprises pole piece and is electrically connected with pole piece, described pole piece is provided with for insulating or fixing acrylate pressure-sensitive adhesive band, and/or lug is provided with for insulating or fixing acrylate pressure-sensitive adhesive band, described acrylate pressure-sensitive adhesive band is aforesaid propylene acid esters Pressuresensitive Tape.Relative to lithium ion battery, improvements of the present invention are acrylate pressure-sensitive adhesive band, and other structures the present invention do not specially require, and do not repeat at this.

Below in conjunction with specific embodiment, the invention will be further described.

Embodiment 1

(1): the preparation of acrylate copolymer:

By (methyl) lauryl acid esters of 9.0 weight parts, the Isooctyl acrylate monomer of 29.2 weight parts, the vinylformic acid of 1.4 weight parts and the Hydroxyethyl acrylate of 0.4 weight part add in reactor and stir, add in the mixed solvent be made up of the toluene of 45 weight part of ethylacetate and 15 weight parts again, and the oxygen passed in nitrogen discharge reactor and material, and keep certain pressure, stir, and stir while heat up, temperature of charge in reactor is raised to 60 DEG C, keep, add the azo-bis-isobutyl cyanide initiator of 0.06 weight part, then be warmed up to 65 DEG C ~ 75 DEG C and start reaction, keep the temperature-stable of reactor, keep reaction 8 ~ 15 hours.After to be cooled to 35 DEG C ~ 45 DEG C dischargings for subsequent use, its solid content is at 60%+/-5%, and viscosity is at 3000 ~ 15000cps.

(2): the preparation of release layer

It is the mode of the film substrate 2 surface intaglio plate coating of the polyimide of 25 microns at thickness, the solution of the crystalline polymer parting agent containing polyvinyl alcohol modification is directly coated on the surface of film substrate 2, gauge control, at 0.3um ~ 0.6um, then covers release layer 3 in 2 ~ 3 minutes in 80 ~ 120 DEG C of bakings on a surface of film substrate 2

(3): the coating of pressure-sensitive adhesive

By acrylate copolymer 70.0 weight part of synthesis in above-mentioned steps (1), add the esterified rosin resin of 2.3 weight parts and the organic solvent mixed by toluene and ethyl acetate of 23.4 weight parts while stirring, after being uniformly mixed, add the crosslinking and curing agent of the isocyanates of 0.8 weight part, obtain pressure sensitive adhesive solution.

Pressure sensitive adhesive solution obtained above is directly coated on another surface of film substrate 2, dry in the baking oven of heating, oven temperature is set in 80 ~ 120 DEG C, pressure-sensitive adhesive thickness is at 30um ~ 35um, pressure-sensitive adhesive oxidant layer 1 is covered on the surface at another of film substrate 2, then will coat the direct rolling of film substrate, make adhesive tape sample S1.

Comparative example 1

Adopt a product the same with structure in our embodiment 1 of Nitto Denko, as comparative example DS1 of the present invention.

Performance test

Adhesive tape sample S1 and DS1 is cut out the test sample of the specification of 3 25mmX50mm, test sample is pasted onto the surface of the aluminum foil material of 75um, post the rubber roll of rear use 2.0 kilograms, roll extrusion 2 times back and forth, then as having in the container of electrolytic solution, then container is positioned in the baking oven of 90 DEG C, places 48 hours.Take out from baking oven and be cooled to room temperature, observe electrolytic solution whether variable color; Whether adhesive tape comes off from film material; Whether have between glue-line and aluminum foil material and heave or run through by electrolytic solution.

Whether color change results is as follows to observe electrolytic solution: adhesive tape sample S1 is after electrolytic solution soaks, and electrolytic solution itself and adhesive tape maintain original color, not change; Adhesive tape sample DS1 is after electrolytic solution soaks, and the slightly variable color of electrolytic solution intrinsic colour, adhesive tape maintains original color, shows that adhesive tape prepared by the present invention is after electrolytic solution soaks, and does not all have material to disengage, can not affect the performance of electrolytic solution.

Observe adhesive tape whether as follows from the film material result that comes off: adhesive tape sample S1 and DS1 does not all come off from aluminum foil material, shows that adhesive tape also sticks to aluminium foil surface.

Observe whether to have between glue-line and aluminum foil material and to heave or to be run through result by electrolytic solution as follows: warp after sample S1 periphery little or nothing is soaked by electrolytic solution, be less than the bond area of 5%; Sample DS1 edge section warps after about having the bond area of 20% to be soaked by electrolytic solution.Show, adhesive tape of the present invention has the ability of excellent resistance to lithium-ion battery electrolytes.

As can be seen from above, the adhesive tape that prepared by the present invention is more suitable for the lug in the assembling production process of lithium ion battery lithium ion battery and stops position and is fixed, insulate and protects.The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (5)

1. the application of acrylate pressure-sensitive adhesive band in lithium ion battery, it is characterized in that, described lithium ion battery comprises housing and is positioned at battery core and the electrolytic solution of housing, the lug that described battery core comprises pole piece and is electrically connected with pole piece, described pole piece is provided with for insulating or fixing acrylate pressure-sensitive adhesive band, and/or lug is provided with for insulating or fixing acrylate pressure-sensitive adhesive band; Described acrylate pressure-sensitive adhesive band comprises the pressure-sensitive adhesive agent of base material and substrate surface, described pressure-sensitive adhesive agent comprises acrylate copolymer and crosslinking and curing agent, described acrylate copolymer is polymerized by acrylate monomer and obtains, and described acrylate monomer is the Hydroxyethyl acrylate of (methyl) lauryl acrylates of 9.0 weight parts, the Isooctyl acrylate monomer of 29.2 weight parts, the vinylformic acid of 1.4 weight parts and 0.4 weight part.
2. application according to claim 1, is characterized in that, described crosslinking and curing agent is polyisocyanate compound.
3. application according to claim 1, is characterized in that, described acrylate pressure-sensitive adhesive band comprises base material, the pressure-sensitive adhesive agent of base material one side surface and the release layer on base material opposite side surface.
4. application according to claim 1, is characterized in that, the step of the preparation method of described acrylate pressure-sensitive adhesive band comprises:
S1, the preparation of acrylate copolymer: acrylate monomer is polymerized by initiator;
S2, the acrylate copolymer obtained by step S1 and crosslinking and curing agent are mixed in organic solvent, are then coated in substrate surface.
5. a lithium ion battery, it is characterized in that, comprise housing and be positioned at battery core and the electrolytic solution of housing, the lug that described battery core comprises pole piece and is electrically connected with pole piece, described pole piece is provided with for insulating or fixing acrylate pressure-sensitive adhesive band, and/or lug is provided with for insulating or fixing acrylate pressure-sensitive adhesive band, described acrylate pressure-sensitive adhesive band comprises the pressure-sensitive adhesive agent of base material and substrate surface, described pressure-sensitive adhesive agent comprises acrylate copolymer and crosslinking and curing agent, described acrylate copolymer is obtained by acrylate monomer polymerization, described acrylate monomer is (methyl) lauryl acrylate of 9.0 weight parts, the Isooctyl acrylate monomer of 29.2 weight parts, the vinylformic acid of 1.4 weight parts and the Hydroxyethyl acrylate of 0.4 weight part.
CN201410165149.5A 2014-04-23 2014-04-23 A kind of acrylate pressure-sensitive adhesive band and preparation method thereof and lithium ion battery CN103911088B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410165149.5A CN103911088B (en) 2014-04-23 2014-04-23 A kind of acrylate pressure-sensitive adhesive band and preparation method thereof and lithium ion battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410165149.5A CN103911088B (en) 2014-04-23 2014-04-23 A kind of acrylate pressure-sensitive adhesive band and preparation method thereof and lithium ion battery

Publications (2)

Publication Number Publication Date
CN103911088A CN103911088A (en) 2014-07-09
CN103911088B true CN103911088B (en) 2015-10-28

Family

ID=51037104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410165149.5A CN103911088B (en) 2014-04-23 2014-04-23 A kind of acrylate pressure-sensitive adhesive band and preparation method thereof and lithium ion battery

Country Status (1)

Country Link
CN (1) CN103911088B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105390627B (en) * 2015-10-16 2018-02-23 广东烛光新能源科技有限公司 A kind of electrochemical cell and preparation method thereof
EP3211687A1 (en) * 2016-02-24 2017-08-30 Nitto Denko Corporation Insulating tape
US20180198099A1 (en) * 2017-01-12 2018-07-12 Shenzhen Meixin Electronics Co., Ltd. Anti-explosive easy-to-dissemble safe adhesive tape and manufacturing method thereof
CN106905884B (en) * 2017-03-09 2020-08-14 广东永邦新能源股份有限公司 Laminating process of lithium battery termination adhesive tape
CN106905872B (en) * 2017-03-09 2020-05-19 广东永邦新能源股份有限公司 Edge trimming process of soft package lithium battery
CN107674606A (en) * 2017-10-17 2018-02-09 广州市金万正印刷材料有限公司 Food contact solvent-type acrylic pressure-sensitive label, adhesive tape and preparation method and application
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
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
CN109666427A (en) * 2018-12-28 2019-04-23 东莞市骏青电子科技有限公司 A kind of acrylate pressure-sensitive adhesive, preparation method and application method that heat is inharmonious
CN110423578A (en) * 2019-08-12 2019-11-08 湖北航天化学技术研究所 A kind of antistatic polypropylene acid esters pressure sensitive adhesive and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102504732A (en) * 2011-11-29 2012-06-20 广东达美新材料有限公司 Solvent-based reticulated pressure-sensitive adhesive for polyethylene protective film and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102504732A (en) * 2011-11-29 2012-06-20 广东达美新材料有限公司 Solvent-based reticulated pressure-sensitive adhesive for polyethylene protective film and preparation method thereof

Also Published As

Publication number Publication date
CN103911088A (en) 2014-07-09

Similar Documents

Publication Publication Date Title
TWI672347B (en) Adhesive composition for optical film, adhesive layer for optical film, optical film with adhesive layer, and image display device
TWI595066B (en) Optical pressure-sensitive adhesive sheet, optical film and display device
CN104736656B (en) Pressure-sensitive adhesive composition
US4818610A (en) Unified pressure-sensitive adhesive tape
CN103140517B (en) Adhesive sheet
JP4924779B2 (en) Easy adhesive for solar cell back surface protective sheet, solar cell back surface protective sheet, and solar cell module
TWI529226B (en) Optical adhesive sheet
TWI447192B (en) Pressure-sensitive adhesive composition for touch panel, pressure-sensitive adhesive film and touch panel
JP4807473B2 (en) Solar cell back surface protective sheet, method for producing the same, and solar cell module
CN103339781B (en) Electrode assemblie
CN101600771B (en) Pressure-sensitive adhesive composition, optical filter and plasma display panel display device using the same
JP4761428B2 (en) Adhesive tapes
CN1458703B (en) Partition for cell bearing adhesive composition and electrode/partition laminated article produced therefrom
CN102099432B (en) Pressure-sensitive adhesive composition, polarization plate, and liquid crystal display
EP1432054B1 (en) Partially crosslinked adhesive-supported porous film for battery separator and its use
CN102732176B (en) Peelable polyacrylate pressure-sensitive adhesive film with controllable peeling force
CN102257087B (en) Adhesive composition, polarizing plate and liquid crystal display device
EP2797973B1 (en) Adhesive tape composition and adhesive tape prepared from same
CA1334521C (en) Unified pressure-sensitive adhesive tape
JP5540394B2 (en) Adhesive composition for polarizing plate
CN102533169B (en) The optics of acrylic pressure-sensitive adhesive compositions, acrylic adhesives and band binder layer
CN102206476B (en) PE (polyurethane) protective film glue and preparation method thereof
JP5248181B2 (en) Method for producing acrylic resin, pressure-sensitive adhesive composition using acrylic resin, and pressure-sensitive adhesive, pressure-sensitive adhesive sheet
CN102746800B (en) Adhesive tape for electrochemical device
CN101910344B (en) Adhesive composition, and an adhesive polarising plate and liquid crystal display device comprising the same

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: Acrylic ester pressure-sensitive adhesive tape and preparation method thereof and lithium ion battery

Effective date of registration: 20170627

Granted publication date: 20151028

Pledgee: Shenzhen high tech investment and financing Company limited by guarantee

Pledgor: Shenzhen Meixin Electronic Co., Ltd.

Registration number: 2017990000548