CN109385145A - A kind of organic system electrically conductive ink, preparation method and flexible device - Google Patents
A kind of organic system electrically conductive ink, preparation method and flexible device Download PDFInfo
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- CN109385145A CN109385145A CN201811281957.2A CN201811281957A CN109385145A CN 109385145 A CN109385145 A CN 109385145A CN 201811281957 A CN201811281957 A CN 201811281957A CN 109385145 A CN109385145 A CN 109385145A
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/52—Electrically conductive inks
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/322—Pigment inks
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
Abstract
The present invention provides a kind of organic system electrically conductive ink, preparation method and flexible device, belongs to electrically conductive ink technical field.Organic system electrically conductive ink includes conductive material, organic solvent and binder, wherein binder includes isocyanate ester compound and the oligomer containing activity hydroxy.The preparation method of organic system electrically conductive ink is by conductive material, organic solvent and binder is evenly dispersed is mixed to get.Flexible device, including flexible substrate and the organic system electrically conductive ink for being attached to flexible substrate surface.Organic system electrically conductive ink made from above-mentioned preparation method is adhered on the surface of the flexible substrate of this flexible device, more preferable with the adhesion effect of flexible substrate, avoids conductive coat from removing in substrate surface, the electric property of the flexible device made is more preferably.
Description
Technical field
The present invention relates to electrically conductive ink technical fields, in particular to a kind of organic system electrically conductive ink, preparation method
And flexible device.
Background technique
Different according to the type of contained conductive material, electrically conductive ink is broadly divided into metal system electrically conductive ink (such as gold, silver, copper
Deng), conducting polymer ink (such as PEDOT/PSS (Polyglycolic acid fibre/poly styrene sulfonate)) and carbon series conductive oil
Black (such as graphite, carbon black, carbon nanotube), is mainly used for the materials such as printed circuit, electrode, capacitor, sensor.
Existing electrically conductive ink and the adhesive force of flexible substrate are poor, and common solution is following two:
1, using the method for physical etchings and grinding, increase flexible substrate/substrate surface concavity and convexity and roughness, thus
Electrically conductive ink is improved to the adhesive force of flexible substrate.Its disadvantages are that: the pre-treatment of substrate need to introduce extras, process
Complexity, production cost are got higher.
2, binder or adhesive layer etc. are added in electrically conductive ink, such as thermal plastic high polymer epoxy resin, thermosetting property high score
Sub- acrylic resin or polyurethane etc., to enhance its adhesive force.Its disadvantages are that: the molecular weight of currently used binder
Larger, viscosity is higher, poor with the intermiscibility of conductive material or small molecule solvent that graphene is representative, leads to nothing between each component
Method is evenly dispersed.
Summary of the invention
The first object of the present invention is to provide a kind of organic system electrically conductive ink, evenly dispersed between each component, with flexibility
The adhesion effect of substrate is more preferable, avoids the removing of conductive coat.
The second object of the present invention is to provide a kind of preparation method of organic system electrically conductive ink, and method is simple, dispersion effect
Fruit is good.
The third object of the present invention is to provide a kind of flexible device, in the above-mentioned organic system conductive oil of substrate surface coating
Ink avoids conductive coat from removing in substrate surface, and the electric property of the flexible device made is more preferably.
Based on above-mentioned first purpose, the present invention adopts the following technical solutions is realized:
A kind of organic system electrically conductive ink, including conductive material, organic solvent and binder, wherein binder includes isocyanide
Acid esters compound and oligomer containing activity hydroxy.
Further, in another embodiment of the present invention, the isocyanate functional group of above-mentioned isocyanate ester compound with
The molar ratio of the activity hydroxy functional group of oligomer containing activity hydroxy is (1-100): 1；
Optionally, the molar ratio of isocyanate functional group and activity hydroxy functional group is (1-30): 1.
Further, in another embodiment of the present invention, above-mentioned isocyanate ester compound, which is selected from, contains isocyanate-functional
The monoisocyanate compound of group, at least one of diisocyanate cpd and polyisocyanate compound；
Optionally, single isocyanide acid compound is selected from least one of methyl isocyanate and n-butyl isocyanate；
Optionally, diisocyanate cpd is selected from toluene di-isocyanate(TDI), isophorone diisocyanate, diphenylmethyl
Alkane diisocyanate, dicyclohexyl methyl hydride diisocyanate, hexamethylene diisocyanate and lysine diisocyanate are at least
It is a kind of.
Further, in another embodiment of the present invention, the above-mentioned oligomer packet containing activity hydroxy is selected from polyalcohols
Close at least one of object, phenolic compound, polyethers, polyesteramide and castor oil；
Optionally, multicomponent alcoholics compound includes at least three hydroxyls, and multicomponent alcoholics compound is selected from primary alconol, the tertiary alcohol and secondary
At least one of alcohol；
Optionally, phenolic compound is selected from least one of bisphenol-A, Bisphenol F, bisphenol S and bisphenol fluorene.
Further, in another embodiment of the present invention, above-mentioned conductive material is selected from carbon-based material, metal material and conduction
At least one of high molecular material；
Carbon-based material be selected from graphene, graphene quantum dot, graphene oxide, carbon nanotube, fullerene, electrically conductive graphite and
At least one of carbon black；
Optionally, metal material is selected from least one of gold, silver and copper；
Optionally, conductive polymer material is selected from least one of Polyglycolic acid fibre and poly styrene sulfonate.
Further, in another embodiment of the present invention, above-mentioned organic solvent be selected from acetone, terpinol, styrene-acrylic emulsion,
At least one of N-Methyl pyrrolidone, methyl-etherified amino and 150# solvent naphtha.
Further, in another embodiment of the present invention, above-mentioned binder further includes low molecular weight polyurethane compound,
In, the molecular weight of low molecular weight polyurethane compound is less than 10000.
Further, in another embodiment of the present invention, above-mentioned organic system electrically conductive ink further includes additive, additive choosing
Self-leveling agent, defoaming agent and coalescing agent at least one；
Optionally, levelling agent is selected from least one of olefin(e) acid class levelling agent, fluorine class levelling agent and organosilicon levelling agent；
Optionally, defoaming agent is selected from least one of organosiloxane and polyethers；
Optionally, coalescing agent is selected from least one of propandiol butyl ether, propylene glycol methyl ether acetate and alcohol ester 12.
Based on above-mentioned second purpose, the present invention adopts the following technical solutions is realized:
A kind of preparation method of organic system electrically conductive ink, by conductive material, organic solvent and the evenly dispersed mixing of binder
It obtains.
Based on above-mentioned third purpose, the present invention adopts the following technical solutions is realized:
A kind of flexible device, including flexible substrate and the organic system electrically conductive ink for being attached to flexible substrate surface.
Compared with prior art, the embodiment of the present invention provide organic system electrically conductive ink beneficial effect include: due to
Binder includes isocyanate ester compound and the oligomer containing activity hydroxy, isocyanate ester compound and containing activity hydroxy
Oligomer is the relatively low compound of molecular weight, and can make can be equably between conductive material, organic solvent and binder
Dispersion.Also, when organic system electrically conductive ink to be attached to the surface of substrate, it can be good at the table for spreading over substrate
Face, then during heat cure, isocyanate functional group in isocyanate ester compound and containing the oligomeric of activity hydroxy
Activity hydroxy functional group in object, which reacts, generates polyurethane, and due to molecular separating force and Hyarogen-bonding, plays bonding and make
With, make between organic system electrically conductive ink coating and substrate generate interface bite force, make organic system electrically conductive ink in flexible substrate
The adhesion effect on surface is more preferable.
The beneficial effect of the preparation method of organic system electrically conductive ink provided by the invention includes: by organic system electrically conductive ink
Each component is evenly dispersed, and the adhesion effect of obtained organic system electrically conductive ink and flexible substrate is more preferable, avoids the stripping of conductive coat
From.
The beneficial effect of flexible device provided by the invention includes: to coat above-mentioned organic system electrically conductive ink in substrate surface,
Conductive coat is avoided to remove in substrate surface, the electric property of the flexible device made is more preferably.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
Organic system electrically conductive ink, preparation method and the flexible device of the embodiment of the present invention are specifically described below.
Organic system electrically conductive ink is mainly used for the surface coated in flexible substrate, to be prepared into flexible device.
Organic system electrically conductive ink includes conductive material, organic solvent and binder, wherein binder includes isocyanates
Compound and oligomer containing activity hydroxy.
Due to isocyanate ester compound and the oligomer containing activity hydroxy is the relatively low compound of molecular weight, can
Make to be uniformly dispersed between conductive material, organic solvent and binder.Also, organic system electrically conductive ink is being attached to lining
When the surface at bottom, it can be good at the surface for spreading over substrate, then during heat cure, isocyanates chemical combination
Activity hydroxy functional group in isocyanate functional group in object and the oligomer containing activity hydroxy, which reacts, generates polyurethane,
And due to molecular separating force and Hyarogen-bonding, adhesive effect is played, makes to generate boundary between organic system electrically conductive ink coating and substrate
Face bite force keeps organic system electrically conductive ink more preferable in the adhesion effect on the surface of flexible substrate.
Optionally, the activity hydroxy of the isocyanate functional group of isocyanate ester compound and the oligomer containing activity hydroxy
The molar ratio of functional group is (1-100): 1；Further, isocyanate functional group and the molar ratio of activity hydroxy functional group are
(1-30): 1.Within the above range, organic system electrically conductive ink exists the molar ratio of isocyanate functional group and activity hydroxy functional group
The adhesive force on the surface of flexible substrate is stronger.
Wherein, isocyanate ester compound is selected from the monoisocyanate compound containing isocyanate functional group, diisocyanate
At least one of ester compounds and polyisocyanate compound；Optionally, single isocyanide acid compound is selected from methyl isocyanate
At least one of with n-butyl isocyanate；Optionally, diisocyanate cpd is selected from toluene di-isocyanate(TDI), different Fo Er
Ketone diisocyanate, methyl diphenylene diisocyanate, dicyclohexyl methyl hydride diisocyanate, hexamethylene diisocyanate and
Lysine diisocyanate is at least one.
Oligomer packet containing activity hydroxy is selected from multicomponent alcoholics compound, phenolic compound, polyethers, polyesteramide and castor-oil plant
At least one of oil；Optionally, multicomponent alcoholics compound includes at least three hydroxyls, and multicomponent alcoholics compound is selected from primary alconol, uncle
At least one of pure and mild secondary alcohol；Optionally, phenolic compound in bisphenol-A, Bisphenol F, bisphenol S and bisphenol fluorene at least one
Kind.
It should be understood that multicomponent alcoholics compound include at least three hydroxyls, obtained organic system electrically conductive ink it is attached
Put forth effort more preferably.
Conductive material is selected from least one of carbon-based material, metal material and conductive polymer material；Carbon-based material choosing
From at least one of graphene, graphene quantum dot, graphene oxide, carbon nanotube, fullerene, electrically conductive graphite and carbon black；
Optionally, metal material is selected from least one of gold, silver and copper；Optionally, conductive polymer material is selected from poly- enedioxy
At least one of thiophene and poly styrene sulfonate.
In the present embodiment, conductive material is preferably grapheme material, grapheme material and organic solvent and above-mentioned binder
Between dispersion effect more preferably, be coated in substrate surface, the electric property of soft and fine device obtained is more excellent.
Organic solvent is selected from acetone, terpinol, styrene-acrylic emulsion, N-Methyl pyrrolidone, methyl-etherified amino and 150# solvent
At least one of oil.Above-mentioned organic solvent does not react with isocyanate functional group, obtained organic system electrically conductive ink
Stability is more preferably.When organic system conductive ink application is during the surface heat of flexible substrate is cured, isocyanate functional group
Functional group reacts with activity hydroxy, adhesive force of the organic system electrically conductive ink film on flexible substrate surface.
Binder further includes low molecular weight polyurethane compound, wherein the molecular weight of low molecular weight polyurethane compound is small
In 10000.Molecular weight is smaller, and the viscosity of binder is lower, and the dispersion effect of organic system electrically conductive ink in organic solvent is good, no
It can reunite.
Meanwhile the organic system conductive ink application that will joined low molecular weight polyurethane compound flexible substrate table
When face, can organic system electrically conductive ink thermal response initial stage directly and adhesive effect is played on the surface of substrate, and thermal response
Middle and later periods mainly generates polyurethane by isocyanate functional group and activity hydroxy functional group reactions and plays adhesive effect, further plus
Adhesive force between strong organic system electrically conductive ink and flexible substrate.
In the present embodiment, according to demand, organic system electrically conductive ink further includes additive, and additive is selected from levelling agent, defoaming
At least one of agent and coalescing agent；Optionally, levelling agent is selected from olefin(e) acid class levelling agent, fluorine class levelling agent and organosilicon levelling agent
At least one of；Optionally, defoaming agent is selected from least one of organosiloxane and polyethers；Optionally, coalescing agent is selected
From at least one of propandiol butyl ether, propylene glycol methyl ether acetate and alcohol ester 12.
In the present embodiment, organic system electrically conductive ink includes the above-mentioned conductive material of 30-70 parts by weight, 20-40 parts by weight
Above-mentioned organic solvent, 8-15 parts by weight it is above-mentioned viscous including isocyanate ester compound and the oligomer containing activity hydroxy
Agent is tied, optionally, binder can also include the low molecular weight polyurethane compound of 1-2 parts by weight, further, organic system
Electrically conductive ink can also include the above-mentioned additive of 1-5 parts by weight.
By conductive material, organic solvent and binder is evenly dispersed is mixed to get organic system electrically conductive ink.By conductive material,
After organic solvent, binder and additive cooperate according to proper proportion, pass through ball milling or sand milling or the grinding of three rollers or ultrasound point
Dissipate or high speed rotation after, obtain evenly dispersed liquefied mixture, be then filtered, quality inspection and packing.
It will by silk screen print method, ink jet printing method, gravure printing method, spin-coating method, spray coating method, roll coating process, knife coating etc.
Then organic system conductive ink application is solidified to obtain one kind by soft on the surface of flexible substrate in a certain temperature conditions
Property substrate and be attached to flexible substrate surface above-mentioned organic system electrically conductive ink constitute flexible device.Optionally, solidification temperature
It is 100-200 DEG C, further, solidification temperature is 120-150 DEG C.Above-mentioned flexible device can be used to make transparent electrode,
Flexible electrical philosophical works display screen, wearable device, OLED, OTFT, flexible electronic Medical Devices etc..
Wherein, flexible substrate includes PI (polyimides), PET (polyethylene terephthalate), PEN (poly- naphthalene diformazan
Sour glycol ester), PC (polycarbonate), PP (polypropylene), MYLAR film, PEEK (polyether-ether-ketone), PPA (poly- terephthalate pair
Phenylenediamine), PTFE (polytetrafluoroethylene (PTFE)), PMMA (polymethyl methacrylate), PDMS (dimethyl silicone polymer) etc..
Embodiment
Organic system electrically conductive ink includes conductive material, organic solvent, binder and additive, organic system electrically conductive ink it is each
The content of component such as table 1:
Table 1 is each component content (being herein mass percent) of organic system electrically conductive ink
After the material of above-mentioned each component is cooperated according to aforementioned proportion, evenly dispersed formation organic system electrically conductive ink passes through
The method of 100T silk-screen printing is heating and curing under the conditions of 130 DEG C it was evenly coated on above PET base material, obtains 20 μ m-thicks
Conductive coating.
It is tested by film frame method, cuts film using cutting tool and form grid-shaped scratch to substrate surface, then use
It is torn after adhesive tape adherency, checks the peeling conditions of coating, then grade to the adhesion condition of film.Sheet resistance test
Experiment is measured using four probe method, and the distance between probe is 3mm.The bending radius of bending experiment is 1mm, number of bends 10
It is secondary.Finally obtain table 2:
The printing of 2 organic system electrically conductive ink of table and film evaluation
Wherein, 1, appearance, zero: appearance is good, conductive coat no cracking or falls off；Δ: appearance is fine, the tortoise of conductive coat
Split area ratio < 5%；╳: poor appearance, cracking Mian Ji≤5% of conductive coat；
2, film draws lattice experimental result, and zero: adhesive force is high, no painting film stripping；Δ: adhesive force is good, film stripping area
Ratio < 5%；╳: poor adhesive force, film stripping area Bi Li≤5%；
3, sheet resistance, zero: < 200 Ω/；Δ: 200-400 Ω/；╳: > 400 Ω/.
From table 2 it can be seen that if contained isocyanate functional group and the molar ratio of the functional group containing activity hydroxy are fallen into
(1-30): between 1 range, then adhesive force highest of the organic system electrically conductive ink to flexible substrate, appearance after bending experiment
Well, no cracking, the transparency is good, and sheet resistance is stablized.If the molar ratio of isocyanate functional group and activity hydroxy functional group
Fall into (30-100): when 1 range, the organic system electrically conductive ink is higher to the adhesive force of flexible substrate, and appearance is preferable, surface
Resistance is preferable.
Meanwhile from embodiment 1 as can be seen that a small amount of low molecular weight polyurethane (Mw ≈ 8000) of addition, gained film is 10
Indices are still qualified after secondary bending.From comparative example 3 as can be seen that adding a small amount of high molecular weight polyurethane (Mw ≈ 20000),
Then the indices of film can not meet the requirements.From comparative example 4 as can be seen that electrically conductive ink uses epoxy resin as bonding
Agent, then the indices of film can not meet the requirements.
To understand the feasibility of large-area graphene film that above-described embodiment is prepared as transparent electrode, choose every
The preliminary qualified film made of embodiment 1-7 formula of index, tests film light transmittance and sheet resistance respectively.Stone
Black alkene film light transmittance test uses ultraviolet-visible spectrophotometer, using blank slide as reference, in 400-900nm wave
The light transmittance of measurement graphene film in long range, and using the light transmittance at wavelength X=550nm as the saturating of graphene film
Light rate.The test of graphene film sheet resistance is measured using four-point probe, and the distance between probe is 3mm.It is tested
As a result such as table 3:
The performance of 3 graphene film of table
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 |
| Light transmittance (%) | 89 | 94 | 87 | 84 | 83 | 74 | 73 |
| Sheet resistance (Ω/) | 157 | 155 | 188 | 194 | 198 | 213 | 215 |
From table 3 it can be seen that the graphene transparent electrode of the embodiment of the present invention 1 to 5 is, it can be achieved that higher light transmittance (>
And lower sheet resistance (200 Ω of </) 80%).In embodiment 2, isocyanate functional group and work in organic system electrically conductive ink
Property hydroxy functional group molar ratio be 20:1 when, the high film light transmittance (94%) of large area and low sheet resistance (155 can be prepared
Ω/) graphene transparent electrode so that the electric property of flexible device is preferable.In embodiment 1, a small amount of polyurethane is added, by
In the usual appearance of polyurethane slightly brown color, the transparency that will lead to graphene transparent electrode is declined, but sheet resistance base
This does not change.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of organic system electrically conductive ink, which is characterized in that including conductive material, organic solvent and binder, the binder
Including isocyanate ester compound and containing the oligomer of activity hydroxy.
2. organic system electrically conductive ink according to claim 1, which is characterized in that the isocyanide of the isocyanate ester compound
The molar ratio of the activity hydroxy functional group of acid ester functionality and the oligomer containing activity hydroxy is (1-100): 1；
Optionally, the molar ratio of isocyanate functional group and the activity hydroxy functional group is (1-30): 1.
3. organic system electrically conductive ink according to claim 1, which is characterized in that the isocyanate ester compound, which is selected from, to be contained
The monoisocyanate compound of isocyanate functional group, at least one in diisocyanate cpd and polyisocyanate compound
Kind；
Optionally, single isocyanide acid compound is selected from least one of methyl isocyanate and n-butyl isocyanate；
Optionally, the diisocyanate cpd is selected from toluene di-isocyanate(TDI), isophorone diisocyanate, diphenylmethyl
Alkane diisocyanate, dicyclohexyl methyl hydride diisocyanate, hexamethylene diisocyanate and lysine diisocyanate are at least
It is a kind of.
4. organic system electrically conductive ink according to claim 1, which is characterized in that the oligomer Bao Xuan containing activity hydroxy
From at least one of multicomponent alcoholics compound, phenolic compound, polyethers, polyesteramide and castor oil；
Optionally, the multicomponent alcoholics compound includes at least three hydroxyls, and the multicomponent alcoholics compound is selected from primary alconol, the tertiary alcohol
At least one of with secondary alcohol；
Optionally, the phenolic compound is selected from least one of bisphenol-A, Bisphenol F, bisphenol S and bisphenol fluorene.
5. organic system electrically conductive ink according to claim 1, which is characterized in that the conductive material be selected from carbon-based material,
At least one of metal material and conductive polymer material；
Optionally, the carbon-based material is selected from graphene, graphene quantum dot, graphene oxide, carbon nanotube, fullerene, leads
At least one of electro-graphitic and carbon black；
Optionally, the metal material is selected from least one of gold, silver and copper；
Optionally, the conductive polymer material is selected from least one of Polyglycolic acid fibre and poly styrene sulfonate.
6. organic system electrically conductive ink according to claim 1, which is characterized in that the organic solvent is selected from acetone, pine tar
At least one of alcohol, styrene-acrylic emulsion, N-Methyl pyrrolidone, methyl-etherified amino and 150# solvent naphtha.
7. organic system electrically conductive ink according to claim 1-6, which is characterized in that the binder further includes
Low molecular weight polyurethane compound, wherein the molecular weight of the low molecular weight polyurethane compound is less than 10000.
8. organic system electrically conductive ink according to claim 1-6, which is characterized in that the organic system conductive oil
Ink further includes additive, and the additive is selected from at least one of levelling agent, defoaming agent and coalescing agent；
Optionally, the levelling agent is selected from least one of olefin(e) acid class levelling agent, fluorine class levelling agent and organosilicon levelling agent；
Optionally, the defoaming agent is selected from least one of organosiloxane and polyethers；
Optionally, the coalescing agent is selected from least one of propandiol butyl ether, propylene glycol methyl ether acetate and alcohol ester 12.
9. a kind of preparation method of the described in any item organic system electrically conductive inks of claim 1-8, which is characterized in that will be described
Conductive material, the organic solvent and the binder is evenly dispersed is mixed to get.
10. a kind of flexible device, which is characterized in that including flexible substrate and the claim for being attached to the flexible substrate surface
The described in any item organic system electrically conductive inks of 1-8.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194935A (en) * | 2019-07-04 | 2019-09-03 | 东莞市古川胶带有限公司 | A kind of conductive non-woven fabrics adhesive tape and preparation method thereof |
| CN110256898A (en) * | 2019-04-16 | 2019-09-20 | 北京氦舶科技有限责任公司 | A kind of optical ink and its preparation and transparent conductive film |
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| CN110256898A (en) * | 2019-04-16 | 2019-09-20 | 北京氦舶科技有限责任公司 | A kind of optical ink and its preparation and transparent conductive film |
| CN110194935A (en) * | 2019-07-04 | 2019-09-03 | 东莞市古川胶带有限公司 | A kind of conductive non-woven fabrics adhesive tape and preparation method thereof |
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