CN203333570U - Special adhesive tape for digital lithium battery - Google Patents
Special adhesive tape for digital lithium battery Download PDFInfo
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- CN203333570U CN203333570U CN2013204333372U CN201320433337U CN203333570U CN 203333570 U CN203333570 U CN 203333570U CN 2013204333372 U CN2013204333372 U CN 2013204333372U CN 201320433337 U CN201320433337 U CN 201320433337U CN 203333570 U CN203333570 U CN 203333570U
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Abstract
The utility model relates to special adhesive tape for a digital lithium battery. The special adhesive tape for the digital lithium battery comprises an adhesive layer, a protection layer, an ink layer, a ground coat, a base layer and a release layer, wherein the adhesive layer, the protection layer, the ink layer, the ground coat, the base layer and the release layer are sequentially distributed. The base layer is a two-direction tensioning polyester or polypropylene film, the ground coat is arranged in the front of the base layer, the ink layer is arranged on the outer surface of the ground coat, the protection layer is arranged on the outer surface of the ink layer, the release layer is a single-component non-silicon release agent coating and is arranged on the back of the base layer, and the adhesive layer is arranged on the outer surface of the protection layer. According to the special adhesive tape for the digital lithium battery, the polyester or polypropylene film which is extremely large in puncture strength is adopted, then a coated surface and a non-coated surface of the film are preprocessed and are coated with a polyacrylate pressure-sensitive adhesive resistant to electrolytes to form the adhesive tape; the adhesive tape is of a six-layer structure, and all layers have respective functions; the adhesive layer directly makes contact with the end portion of the battery. The special adhesive tape for the digital lithium battery has the advantages of being firm in sticking, resistant to electrolytes and free of halogen, meeting ROHS requirements and the like.
Description
Technical field
The utility model relate to a kind of be specifically designed to lithium cell stop position insulation and the sealing tape of protection, particularly a kind of electrolyte resistance, be printed on digital environment-friendly digital lithium cell special adhesive adhesive tape.
Background technology
At present, only have in the world Japanese Si Gang, day east etc. several enterprises can produce this class adhesive tape (digital lithium cell special adhesive adhesive tape), in China market in monopoly position.Over the past two years, because European Union has worked out strict environmental regulation for electronic product, this several prods had not met the European Union environmental protection requirement, face the predicament of progressively withdrawing from the market, therefore, although expensive, kind is few again, but because there is no substitute products, so occupy the corner on the market status always.Domestic enterprise pays a large sum of foreign exchange every year for this reason.
Therefore, research environment-friendly digital lithium cell special adhesive adhesive tape, make it when possessing excellent resistance to acids and bases, good temperature tolerance, good insulativity, meet " in electric, electronics, some objectionable impurities instruction is used in restriction " (being called for short ROHS) and Sony's environmental regulations, requirement of Battery Directive halogen etc. of European Union, being important problem of the pressure-sensitive adhesive article industry in the world, is also the important technology content of China's pressure sensitive adhesive goods industry and international counterparts competition.
The product that domestic manufacturer can provide at present, by several small businesss few in number are imitated, produce, quality and performance index far can not be mentioned in the same breath with imported product, the not environmental protection of ubiquity starting material, viscosity is poor, peeling force descends, heatproof is on the low side, to gluing, easily come unstuck, base material does not reach the shortcomings such as characteristic should be arranged, performance is difficult to meet service requirements, does not also meet the feature of environmental protection and security, more is difficult to adjust the kind of product and the demand that performance adapts to market.At present the domestic enterprise that is engaged in this field products production and research and development is less, what the product line of domestic corporation related to this technology does not all produce the product of replace imported fully, and ROHS ban and Sony's environmental regulations, Battery Directive and halogen that performance index do not meet European Union yet require etc.
The utility model content
The purpose of this utility model is to overcome the deficiency that above-mentioned prior art exists, and a kind of Halogen be provided, meet ROHS, puncture intensity is large, insulativity is high, viscosity is moderate, the digital lithium cell special adhesive adhesive tape of electrolyte resistance, to overcome the deficiencies in the prior art.
The purpose of this utility model is achieved in that
A kind of digital lithium cell special adhesive adhesive tape; it is characterized in that: comprise adhesive layer, protective layer, ink layer, undercoat, basic unit and release layer that order distributes; described basic unit is biaxial stretching polyester or polypropylene film; described undercoat is located at the front of basic unit; described ink layer is arranged on the undercoat outside surface; described protective layer is arranged on the ink layer outside surface; described release layer is the non-silicon parting agent of single-component coating; release layer is arranged on the back side of basic unit, and described adhesive layer is arranged on the protective layer outside surface.
The purpose of this utility model can also adopt following technical measures to solve:
As a kind of scheme more specifically, described groundwork thickness is 0.012mm to 0.032mm.At first described polyester or polypropylene film are processed through two-way stretch, due to the stretching molecule orientation, so that film has a light weight, nontoxic, odorless, protection against the tide, physical strength is high, and good stability of the dimension, the advantage such as printing performance is good, the transparency is good.There is the advantages such as high-clarity, good luster, good barrier property, shock strength be high, low temperature resistant.
Described groundwork thickness has a variety of selections, general available 0.012mm, 0.015mm, 0.020mm, 0.025mm, 0.032mm etc.
In order to improve sizing agent or the printing ink sticking power to basic unit, high surface energy will, through processing, be carried in the surface of polyester or polypropylene film.The treatment process on polyester or polypropylene film surface has: corona treatment method, method of chemical treatment, mechanical hacking method, coating etc.The most frequently used is the corona treatment method.Add that between two electrodes high-frequency voltage can form corona or become spark (sunshine light) electric discharge.When polyester or polypropylene film surface add high-frequency voltage between two electrodes, corona shines polyester or polypropylene film surface.Under this high-octane discharge condition, the electron pair of corona and ion pair are clashed into polyester or polypropylene film surface, make its surface produce charged ion, corona also makes oxygen, nitrogen and the water equimolecular generation ionization in environment simultaneously, then with surperficial plastic molecules, reacts generation hydroxyl, carboxyl and alkoxyl group isopolarity group.The charged ion on these polar groups and polyester or polypropylene film surface increases the polarity on polyester or polypropylene film surface greatly, and surface can be improved.Thereby strengthened printing ink or sizing agent wettability and the glutinous base power at substrate surface, met the job requirements such as the printing on polyester or polypropylene film surface or bonding.By corona treatment, make polyester film coated face surface tension reach 42 dyne/more than cm, polypropylene film coated face surface tension reaches 38 dyne/more than cm.
Described gluing layer is coordinated and is made by polyacrylate(s) pressure-sensitive adhesive, solidifying agent, filler and solvent; Described polyacrylate(s) pressure-sensitive adhesive is 200-250 part, and solidifying agent is 3-4 part, and filler is 10-12 part, and solvent is 50-55 part.
Described polyacrylate(s) pressure-sensitive adhesive adopts polyacrylate(s) pressure sensitive adhesive and the modified polyacrylate class pressure sensitive adhesive of two kinds of different viscosity to be mixed according to certain ratio; Wherein, described polyacrylate(s) pressure sensitive adhesive is that molecular weight, molecular weight distribution are narrower, the reasonable pressure sensitive adhesive of initial cohesiveness, and modified polyacrylate class pressure sensitive adhesive is the pressure sensitive adhesive that molecular weight is large, molecular weight distribution is wider, peeling force is higher.
Described solidifying agent is mixed by high-temperature curing agent and low temperature curing agent, and high-temperature curing agent is aminoresin, polyvalent metal salt, alkoxide compound or superoxide, and low temperature curing agent is polyisocyanates.
Described solvent is toluene or ethyl acetate, also or the mixture of toluene and ethyl acetate, plays the dilution pressure sensitive adhesive, reduces the solid content of pressure sensitive adhesive, to reach, meets the effect that coating requires.
The color that described filler is electrolyte resistance, color is ground and is formed by binder, pigment, dispersion agent, wetting agent and stirring solvent.
The color formula of described electrolyte resistance is: binder 10-15 part, pigment 15-35 part, dispersion agent 2-6 part, wetting agent 2-6 part, solvent 50-65 part.In order to improve the electrolyte resistance performance of color, what described binder was selected is the modified polyacrylate class pressure sensitive adhesive of electrolyte resistance.Pigment is selected Halogen, meets ROHS, the pigment dyestuff of electrolyte resistance, and color has yellow, blueness, white, can the furnishing distinct colors by these several colors.Described dispersion agent has fatty acid, aliphatic amide type and ester class.Described wetting agent has anionic and nonionic surface active agent.Aniorfic surfactant comprises alkyl-sulphate, sulfonate, lipid acid or fatty acid ester vitriol, carboxylic soap class, phosphoric acid ester etc.Nonionic surface active agent comprises polyxyethylated alkylphenol, polyoxyethylene aliphatic alcohol ether, polyoxyethylene polyoxypropylene block copolymer etc.Solvent is toluene or ethyl acetate or alcohols.
Described ink coating is the special printing ink of electrolyte resistance, and this printing ink prints the agitation grindings such as agent, slip(ping)agent and thinner by binder, pigment, weighting agent, antiskinning agent, counnter attack and forms.
The formula of the special printing ink of described electrolyte resistance is: binder 55-60 part, and pigment 11-19 part, weighting agent 15-20 part, antiskinning agent 1-3 part, counnter attack prints agent 4-8 part, slip(ping)agent 3-5 part and thinner 11-16 part.Described binder plays the instrumentality of dispersion color and auxiliary material; to be dissolved in siccative oil or solvent and to make by a small amount of natural resin, synthetic resins, Mierocrystalline cellulose, rubber derivative etc.; certain mobility is arranged; make printing ink form uniform thin layer after printing; be formed with the rete of some strength after drying; and pigment is shielded, make it be difficult to come off.The utility model is selected chlorinated polypropylene or polyamide resin or the urethane resin binder as printing ink, because these resin electrolyte resistance performances are good.Pigment is pigment dyestuff, can be that azo is pigment dyestuff, can be also that phthalocyanine is pigment dyestuff, mainly selects the pigment dyestuff of those electrolyte resistances, color adularescent, black, yellow, redness etc.Weighting agent is a kind of auxiliary agent of regulating printing ink concentration, can also increase the thickness of printing ink rete, improves its wear resistance, and it does not have tinting strength and an opacifying power, mainly contains barium sulfate, and calcium carbonate, aluminium hydroxide etc., grind into white powder by it during use.The effect of antiskinning agent is the rate of drying that suppresses printing ink, prevents mechanically dry conjunctiva of printing ink.Its main component is organic reducing agent and oxidation inhibitor.The effect that counnter attack prints agent is to prevent that printing ink layer from printing to back side of paper, to guarantee printing quality.It is W-Gum that the most frequently used counnter attack prints agent.The effect of slip(ping)agent is to improve the rub resistance of printing ink and mobility, reduces viscosity, improves the smooth finish of rete, reduces the paper fussed phenomenon.In printing ink, slip(ping)agent commonly used has dystectic Microcrystalline Wax, synthetic wax etc.The effect of thinner is to reduce ink viscosity, prevents the stripping phenomenon, makes printing ink have the operation adaptive.Thinner commonly used has oligomerization oleum lini, mineral wet goods.The former easily mixes with printing ink, acts on soft; Latter's dilution effect is obvious, but must guard against excessively, otherwise printing effect is bad.
The special printing ink of described electrolyte resistance is 20 parts, and solidifying agent is 1 part, and solidifying agent is isocyanates, and solvent is appropriate.
Described undercoat is the multipolymer of ethene and vinyl acetate, and its effect is to increase the sticking power of printing ink to base material; Described protective layer is a kind of transparent gloss oil, is printed on the ink layer outside surface, and protective layer plays the protection ink layer, improves the effect of the strong basicity resisting energy of printing ink.
A kind of production method of digital lithium cell special adhesive adhesive tape, it is characterized in that: at first, polyester film or polypropylene film are carried out the two-way stretch processing and carry out surface corona processing, chemical treatment, the processing of mechanical hacking or coating and process, make polyester film coated face surface tension reach 42 dyne/more than cm, polypropylene film coated face surface tension reaches 38 dyne/more than cm; Then, treated polyester film or the polypropylene film back side are carried on the back to the painting processing, the non-silicon parting agent of single-component is made into to the concentration of 0.5-2% and is printed on polyester film or the polypropylene film back side; After polyester film or polypropylene film carry out back side processing, then with the multipolymer of ethene and vinyl acetate, be coated on biaxial stretching polyester or the coating of undercoat is carried out in the polypropylene film front; Then the special printing ink of electrolyte resistance is carried out to the ink coating processing at the undercoat outside surface again; Then at the transparent gloss oil of ink layer outside surface printing skim, do protective layer again, protection printing ink; Then, deployed polyacrylate(s) pressure-sensitive adhesive agent is applied on the protective layer outside surface; Finally, through oven dry, rolling, then rewinding, become adhesive tape after cutting.
Described sizing agent forms the gluing layer after drying, and sizing agent is by polyacrylate(s) pressure-sensitive adhesive, solidifying agent, filler and solvent preparation, and solidifying agent all will be made into dilute solution before adding in the polyacrylate(s) pressure sensitive adhesive, slowly adds in pressure sensitive adhesive.
The beneficial effects of the utility model are as follows:
(1) the digital lithium cell special adhesive of this kind of safe environment protection type adhesive tape is to adopt the great polyester film of a kind of puncture intensity or polypropylene film, then film gluing face and non-gluing face are carried out to pre-treatment, the sealing tape that the polyacrylate(s) pressure sensitive adhesive of coating electrolyte resistance forms; Sealing tape has six layers of structure, and every one deck has its function separately, and wherein, the gluing layer directly contacts with the battery end portion, and having can firm pasting, electrolyte resistance, Halogen, meet the characteristics such as ROHS requirement; Protective layer is in order to protect ink layer, improves the electrolyte resistance performance of printing ink; Ink coating is mainly Digital ID (or other signs) thereby makes adhesive tape for distinguishing different production lines; Undercoat is in order to increase the sticking power of printing ink to base material; The material of basic unit own has good puncture intensity, can prevent piercing through of pole piece burr; Release layer has with basic unit excellent tack and quick-drying performance is arranged.
(2) described ink coating is coordinated and is made by the special printing ink of electrolyte resistance, solidifying agent and solvent, the purpose that adds solidifying agent in printing ink is in order to improve the sticking power of printing ink and base material, improve the performance of printing ink electrolyte resistance, and the whole electrolyte resistance performance that improves adhesive tape.
(3) digital lithium cell special adhesive adhesive tape is mainly used in insulation and the protection that lithium cell stops position, and adhesive tape is printed on numeral and distinguishes different production lines for Battery Plant, can carry out reviewing of product.
The accompanying drawing explanation
Fig. 1 is the utility model one example structure schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1; a kind of digital lithium cell special adhesive adhesive tape; comprise gluing layer 1, protective layer 2, ink layer 3, undercoat 4, basic unit 5 and release layer 6 that order distributes; described basic unit 3 is biaxial stretching polyester or polypropylene film; described undercoat 2 is located at the front of basic unit 3; described ink layer 3 is located at undercoat 4 outside surfaces; described protective layer 2 is located at ink layer 3 outside surfaces; described release layer 6 is the non-silicon parting agent of single-component coating; release layer 6 is arranged on the back side of basic unit 5, and described gluing layer 1 is arranged on protective layer 2 outside surfaces.
Described basic unit 5 is biaxially oriented polyester film or polypropylene film, has good insulating property.Thickness has a variety of selections, polyester film or the polypropylene film of general available 0.012mm, 0.015mm, 0.020mm, 0.025mm, 0.032mm equal thickness, at first film is processed through two-way stretch, due to the stretching molecule orientation, so it is high that film has a light weight, nontoxic, odorless, protection against the tide, physical strength, good stability of the dimension, the advantage such as printing performance is good, the transparency is good.There is the advantages such as high-clarity, good luster, good barrier property, shock strength be high, low temperature resistant.
In order to improve sizing agent or the printing ink sticking power to basic unit, high surface energy will, through processing, be carried in the surface of polyester or polypropylene film.The treatment process on polyester or polypropylene film surface has: corona treatment method, method of chemical treatment, mechanical hacking method, coating etc.The most frequently used employing be the corona treatment method.Add that between two electrodes high-frequency voltage can form corona or become spark (sunshine light) electric discharge.When polyester or polypropylene film surface add high-frequency voltage between two electrodes, corona shines polyester or polypropylene film surface.Under this high-octane discharge condition, the electron pair of corona and ion pair are clashed into polyester or polypropylene film surface, make its surface produce charged ion.Corona also makes oxygen, nitrogen and the water equimolecular generation ionization in environment simultaneously, then with surperficial plastic molecules, reacts generation hydroxyl, carboxyl and alkoxyl group isopolarity group.The charged ion on these polar groups and polyester or polypropylene film surface increases the polarity on polyester or polypropylene film surface greatly, and surface can be improved.Thereby strengthened printing ink or sizing agent wettability and the glutinous base power at substrate surface, met the job requirements such as the printing on polyester or polypropylene film surface or bonding.By corona treatment, make polyester film coated face surface tension reach 42 dyne/more than cm, polypropylene film coated face surface tension reaches 38 dyne/more than cm.
Described gluing layer 1 is coordinated and is made by polyacrylate(s) pressure-sensitive adhesive, solidifying agent, filler and solvent.Sizing agent is the agent of polyacrylate(s) pressure-sensitive adhesive, and sizing agent viscosity is strong, can firm pasting; Electrolyte resistance, Halogen, meet ROHS, is environment-protective adhesive.The agent of polyacrylate(s) pressure-sensitive adhesive will be used in conjunction with just passablely with solidifying agent, and solidifying agent can be aminoresin, polyisocyanates or metal oxide etc.What the selection of solidifying agent will be complementary according to the formulation selection of polyacrylate(s) pressure-sensitive adhesive agent uses.
Described polyacrylate(s) pressure-sensitive adhesive adopts polyacrylate(s) pressure sensitive adhesive and the modified polyacrylate class pressure sensitive adhesive of two kinds of different viscosity to be mixed according to certain ratio.Sizing agent is the agent of polyacrylate(s) pressure-sensitive adhesive, and sizing agent viscosity is strong, can firm pasting; Electrolyte resistance, Halogen, meet ROHS, is environment-protective adhesive.The agent of polyacrylate(s) pressure-sensitive adhesive will be used in conjunction with just passablely with solidifying agent, and solidifying agent can be aminoresin, polyisocyanates or metal oxide etc.What the selection of solidifying agent will be complementary according to the formulation selection of polyacrylate(s) pressure-sensitive adhesive agent uses.
Described solidifying agent is mixed by high-temperature curing agent and low temperature curing agent, and high-temperature curing agent is aminoresin, polyvalent metal salt, alkoxide compound or superoxide, and low temperature curing agent is polyisocyanates.Polyisocyanates commonly used has tolylene diisocyanate (TDI), benzhydryl vulcabond (MDI) and hexamethylene diisocyanate (HMDI) etc.Solidify (crosslinked) agent and all will be made into dilute solution before in adding the polyacrylate(s) pressure sensitive adhesive, slowly add in pressure sensitive adhesive, prevent topical gel.The content of the optimum amount of solidifying agent and reactive group in the character of solidifying agent, pressure sensitive adhesive and the molecular size range of pressure sensitive adhesive are relevant.
Described filler is color, and main purpose is deployed into shades of colour to adhesive tape exactly.Color is by binder 10-15 part, pigment 15-35 part, and dispersion agent 2-6 part, wetting agent 2-6 part, the compositions such as solvent 50-65 part, main purpose is deployed into shades of colour to adhesive tape exactly.
Described solvent is toluene or ethyl acetate, also or the mixture of toluene and ethyl acetate, plays the dilution pressure sensitive adhesive, reduces the solid content of pressure sensitive adhesive, to reach, meets the effect that coating requires.
Described polyacrylate(s) pressure-sensitive adhesive is 200-250 part, and solidifying agent is 3-4 part, and filler is 10-12 part, and solvent is 50-55 part.
Described protective layer 2 is a kind of transparent gloss oil, is printed on the ink layer outside surface, plays the protection ink layer, improves the effect of the electrolyte resistance performance of printing ink.
Described ink layer 3 is the special printing ink of electrolyte resistance, and its formula is: binder 55-60 part, and pigment 11-19 part, weighting agent 15-20 part, antiskinning agent 1-3 part, counnter attack prints agent 4-8 part, slip(ping)agent 3-5 part and thinner 11-16 part.
Described ink layer 3 is coordinated and is made by the special printing ink of electrolyte resistance, solidifying agent and solvent.Solidifying agent generally adopts polyisocyanates, and polyisocyanates commonly used has tolylene diisocyanate (TDI), benzhydryl vulcabond (MDI) and hexamethylene diisocyanate (HMDI) etc.The purpose that adds solidifying agent in printing ink is in order to improve the sticking power of printing ink and base material, improves the performance of printing ink electrolyte resistance.The printing ink that does not add solidifying agent is 70 to the sticking power of base material, adds the ink adhesion of solidifying agent can reach 90, and printing ink has improved 29% to the sticking power of base material, and solidifying agent is very large to the lifting of ink adhesion as can be seen here.Not adding the printing ink electrolyte resistance of solidifying agent is 20, adding the printing ink electrolyte resistance of solidifying agent is 80, the electrolyte resistance performance of printing ink has improved 300%, has greatly improved the TL of printing ink to electrolytic solution adding of solidifying agent as can be seen here, the whole electrolyte resistance performance that improves adhesive tape.
The special printing ink of described electrolyte resistance is 20 parts, and solidifying agent is 1 part, and solvent is appropriate.
Described ink coating 3 can be printed as the numeral layer (or other signs) that different digital forms as required, thereby makes adhesive tape for distinguishing different production lines.
Described undercoat 4 is multipolymers of ethene and vinyl acetate, and its effect is to increase the sticking power of printing ink to base material.
Described release layer 6 is the non-silicon parting agent of single-component coating (the non-silicon parting agent of major ingredient single-component), and the non-silicon parting agent of single-component has with basic unit's (base material) excellent tack and quick-drying performance are arranged.Because polyester film back side corona value is exactly >=42 dyne, so this basic unit does not need to carry out just direct printed back treatment agent of corona treatment again.If the polypropylene film back side needs first to beat corona, be that the corona value reaches more than 38 dyne just can carry on the back and is coated with parting agent.
A kind of production method of digital lithium cell special adhesive adhesive tape, first carry on the back the painting processing to polyester film or the polypropylene film back side, and the non-silicon parting agent of single-component is made into to the concentration of 0.5-2% and utilizes press printing at polyester film or the polypropylene film back side; After polyester film or polypropylene film carry out back side processing, then with the multipolymer of ethene and vinyl acetate, be coated on biaxial stretching polyester or the coating of undercoat is carried out in the polypropylene film front; Then the special printing ink of electrolyte resistance is carried out to the ink coating processing at the undercoat outside surface again; Then at the transparent gloss oil of ink layer outside surface printing skim, do protective layer again, protection printing ink; Then, deployed polyacrylate(s) pressure-sensitive adhesive agent is applied on the protective layer outside surface; Finally, through oven dry, rolling, then rewinding, become adhesive tape after cutting.
Described sizing agent forms the gluing layer after drying, and sizing agent is by polyacrylate(s) pressure-sensitive adhesive, solidifying agent, filler and solvent preparation, and solidifying agent all will be made into dilute solution before adding in the polyacrylate(s) pressure sensitive adhesive, slowly adds in pressure sensitive adhesive.
Described polyacrylate(s) pressure-sensitive adhesive adopts polyacrylate(s) pressure sensitive adhesive and the modified polyacrylate class pressure sensitive adhesive of two kinds of different viscosity to be mixed according to certain ratio, wherein a kind of pressure sensitive adhesive is molecular weight, molecular weight distribution is narrower, the reasonable pressure sensitive adhesive of initial cohesiveness, another kind of pressure sensitive adhesive is that molecular weight is larger, molecular weight distribution is wider, the pressure sensitive adhesive that peeling force is higher.
Claims (7)
1. a digital lithium cell special adhesive adhesive tape; it is characterized in that: comprise adhesive layer, protective layer, ink layer, undercoat, basic unit and release layer that order distributes; described basic unit is biaxial stretching polyester or polypropylene film; described undercoat is located at the front of basic unit; described ink layer is arranged on the undercoat outside surface; described protective layer is arranged on the ink layer outside surface; described release layer is the non-silicon parting agent of single-component coating; release layer is arranged on the back side of basic unit, and described adhesive layer is arranged on the protective layer outside surface.
2. digital lithium cell special adhesive adhesive tape according to claim 1, it is characterized in that: described groundwork thickness is 0.012mm to 0.032mm.
3. digital lithium cell special adhesive adhesive tape according to claim 1, it is characterized in that: described groundwork thickness is 0.012mm.
4. digital lithium cell special adhesive adhesive tape according to claim 1, it is characterized in that: described groundwork thickness is 0.015mm.
5. digital lithium cell special adhesive adhesive tape according to claim 1, it is characterized in that: described groundwork thickness is 0.020mm.
6. digital lithium cell special adhesive adhesive tape according to claim 1, it is characterized in that: described groundwork thickness is 0.025mm.
7. digital lithium cell special adhesive adhesive tape according to claim 1, it is characterized in that: described groundwork thickness is 0.032mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204333372U CN203333570U (en) | 2013-07-22 | 2013-07-22 | Special adhesive tape for digital lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204333372U CN203333570U (en) | 2013-07-22 | 2013-07-22 | Special adhesive tape for digital lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203333570U true CN203333570U (en) | 2013-12-11 |
Family
ID=49702260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204333372U Expired - Lifetime CN203333570U (en) | 2013-07-22 | 2013-07-22 | Special adhesive tape for digital lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203333570U (en) |
-
2013
- 2013-07-22 CN CN2013204333372U patent/CN203333570U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
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| CX01 | Expiry of patent term |