CN106205776A - Low temperature curing type Graphene/conductive silver slurry and its preparation method and application - Google Patents
Low temperature curing type Graphene/conductive silver slurry and its preparation method and application Download PDFInfo
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- CN106205776A CN106205776A CN201610670210.0A CN201610670210A CN106205776A CN 106205776 A CN106205776 A CN 106205776A CN 201610670210 A CN201610670210 A CN 201610670210A CN 106205776 A CN106205776 A CN 106205776A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
Abstract
The invention discloses a kind of low temperature curing type Graphene/conductive silver slurry and its preparation method and application, be made up of the following component calculated by mass percentage: Graphene/argentum nano composite material 45 ~ 85%, organic binder bond 5 ~ 15%, organic carrier 15 ~ 40%, additive 0 ~ 2%.This slurry uses Graphene/argentum nano composite material to replace fine silver powder, it is possible to improves the electric conductivity of low temperature curing type electrocondution slurry, or reduces the silver content in slurry, reduces cost.Wherein, Graphene/argentum nano composite material liquid phase reduction one step prepares in situ, due to dispersion and the carrying effect of Graphene, preferably solves the Argent grain problem that easily reunite in local when electrocondution slurry produces.The present invention introduces the Graphene that pliability is excellent in the slurry, makes slurry be applicable to flexible circuit, has widened the range of low temperature curing type electrocondution slurry.
Description
Technical field
The present invention relates to electrocondution slurry field, particularly to a kind of low temperature curing type Graphene/conductive silver slurry and system thereof
Preparation Method and application.
Background technology
Along with the fast development of electronics industry, electrocondution slurry, as a kind of electronic material, is preparing electronic device and photoelectricity
Device is widely applied.Wherein, low temperature curing type electrocondution slurry refers to that at a lower temperature (100～200 DEG C) solidify
A class electrocondution slurry.The mode of silk screen printing is generally used to transfer to be not suitable on the matrix of high temperature sintering, cured rear shape
Become electrode.Electrode material after solidification requires there is high electrical conductivity, to realize the high attachment to matrix simultaneously.
Low temperature curing type electrocondution slurry is usually and is made up of conductive phase, Binder Phase, organic carrier and auxiliary agent.Wherein conductive phase
Main component for electrocondution slurry, it is provided that the electric conductivity of electrocondution slurry；Binder Phase ensures have good knot between electrode and matrix
Make a concerted effort；Organic solvent and auxiliary agent are used to regulate slurry and are allowed to be applicable to silk screen printing.At most low temperature curing type electrocondution slurry
Actual production in, conductive phase uses fine silver powder, and accounts for the 60～85% of stock quality ratio.Therefore, electrical conductivity is being ensured
While reduce silver consumption be reduce electrocondution slurry cost effective way.Additionally, argentum powder is the most easily reunited,
The performance of slurry can be affected.The agglomeration traits solving argentum powder is also that in electrocondution slurry production process is big crucial.In recent years, low
Temperature curing type electrocondution slurry is also widely used in flexible circuit, but traditional electrocondution slurry often exists adhesive force by force,
Meet and deform easy to fall off, problems of crack, thus affect service efficiency and the life-span of device.
Graphene is a kind of two-dimension periodic honeycomb lattice structural material being made up of carbon atom, has high conductivity, big
The feature such as specific surface area, good mechanical strength and heat stability.These features make it have in conductive silver paste application aspect
Unique advantage: first, the pliability of Graphene can adapt to flexible circuit very well；Second, granular silver and flake graphite alkene
Contact is provided that silver slurry conductive capability, therefore can suitably reduce silver content in slurry and keep conductive capability, thus reduce into
This.Additionally, utilize the Graphene that liquid phase reduction (redox graphene) obtains, due to the oxygen-containing sense on graphene oxide
Group's electrostatic adsorption to silver ion, can provide forming core site for silver in reduction process, thus solve nanometer silver powder and hold
It is easily generated the problem reunited in local.Stone is prepared as the Chinese patent of Application No. 201210054952.2 discloses a kind of liquid phase method
The method of ink alkene/silver nano particle composite material.Therefore, exploitation low temperature curing type Graphene/conductive silver slurry has important
Using value.
Summary of the invention
The present invention provides a kind of low temperature curing type Graphene/conductive silver slurry and its preparation method and application, this slurry energy
Enough improve the electric conductivity of low temperature curing type electrocondution slurry, or in the case of ensureing electrical property, reduce silver content in slurry, fall
Low cost.This slurry also solves the problem that during low temperature curing type electrocondution slurry produces, silver is easily reunited, and can be suitably used for soft
Property circuit.
A kind of low temperature curing type Graphene/conductive silver slurry, it is characterised in that be as follows by calculate by mass percentage
Component forms: Graphene/argentum nano composite material 45～85%, organic binder bond 5～15%, organic carrier 15～40%, add
Add agent 0～2%.
Described Graphene/argentum nano composite material is powder body, and the particle size distribution of powder is between 0.5～30 micron.Its
In, in composite, the weight percentage of Graphene is preferably 0.1%～15%, and Argent grain is homogeneously dispersed state.
Described organic binder bond the most certainly but is not limited to phenolic resin, epoxy resin, acrylic resin, organosilicon tree
Fat, vinyl chloride-vinyl acetate resin, polyester resin, vinylite, polyurethane resin, alkyd resin, aldehyde ketone, polyketone resin, NC Nitroncellulose
The combination of any one or more in resin, ethyl cellulose.
Described organic carrier can be selected from, but not limited to, terpineol, propylene glycol phenylate (PPH), phthalic acid two fourth
Ester, high boiling solvent mixed dibasic acid ester, alcohol ester 12, card must pure acetate, butyl card must in pure acetate any one or two
Plant above combination.
Described additive can include in thixotropic agent, levelling agent, defoamer, surfactant any one or two kinds of with
On combination.
The preparation method of a kind of low temperature curing type Graphene/conductive silver slurry, it is characterised in that comprise the following steps:
1) liquid phase reduction prepares Graphene/argentum nano composite material；
2) by organic binder bond heating for dissolving in organic carrier, cooling obtains mixture；
3) by Graphene/argentum nano composite material, additive and step 2) mixture that obtains mixes according to required proportioning
After Jun Yun, on three-roll grinder, repeat-rolling is less than 15 microns to fineness, obtains low temperature curing type Graphene/conductive silver slurry.
In order to reach more preferable invention effect, preferably:
The liquid-phase reduction preparation method of described Graphene/argentum nano composite material, comprises the following steps:
A) graphene oxide (GO) is dissolved in deionized water, ultrasonic to being completely dispersed, obtain the uniform of graphene oxide
Solution；Described deionized water consumption is appropriate, can obtain the homogeneous solution of GO；
B) silver nitrate is dissolved in deionized water, obtains the solution that concentration is 0.005mol/L～0.5mol/L；Again should
Solution joins in the GO homogeneous solution of step a), obtains mixed solution after stirring；
C) in the mixed solution of step b), the citric acid solution that concentration is 0.005mol/L～0.1mol/L, stirring are added
Mixed solution is obtained after Jun Yun；
D) adding ammonia in the mixed solution of step c), regulation solution pH value, to 8, obtains mixing molten after stirring
Liquid；
E) quickly stir after adding reducing agent in the mixed solution of step d) 0.5～2 hour, then stop stirring and quiet
Put 15～60 minutes, collect solid product, wash through deionized water and dehydrated alcohol alternate repetition, be dried, obtain Graphene/silver
Nano composite material；
The addition of described graphene oxide (GO) is the 0.2%～30% of silver theoretical weight；
The addition of described reducing agent is adjusted by two parts, determines by the following method: every equimolar silver nitrate adds 1 mole
～3 moles of reducing agent, every gram of graphene oxide adds 0.2 mole～1 moles of reducing agent.
Further, described reducing agent can be selected for hydrazine hydrate, alkali-metal boron hydride and ascorbic acid.
Described organic binder bond course of dissolution in organic carrier is as follows:
Organic binder bond is joined in organic carrier, heated and stirred 10～12 hours under the conditions of 80～95 DEG C, cooling
After obtain mixture.
A kind of low temperature curing type Graphene/conductive silver slurry can be applied in preparing electronic device or photoelectric device, institute
State electronic device or photoelectric device includes thin film switch, flexible print circuit and circuit board, thin-film solar cells etc..
Compared with prior art, the invention have the advantages that
1. the present invention uses Graphene/argentum nano composite material to replace fine silver powder, and granular silver and flake graphite alkene connect
Touch and increase contact area, decrease the gap between conductive particle, improve the conductive capability of silver slurry.Therefore, constant at silver content
Under conditions of improve the electric conductivity of low temperature curing type electrocondution slurry, or reduce in slurry in the case of ensureing electrical property
Silver content (silver content at most can reduce to accounting for the 45% of slurry gross mass), effectively reduces cost.
2. present invention liquid phase reduction one step prepares Graphene/argentum nano composite material in situ, due to oxidation stone
The electrostatic adsorption to silver ion of the oxygen-containing functional group on ink alkene, can provide forming core site for silver in reduction process, from
And obtain Graphene/argentum nano composite material that Argent grain is dispersed on Graphene.By Graphene/argentum nano composite material
Adding in slurry as conductive phase, due to dispersion and the carrying effect of Graphene, preferably solving Argent grain can be raw at electrocondution slurry
The problem that during product, easily reunite in local.
3. the present invention introduces the Graphene that pliability is excellent in electrocondution slurry, makes slurry be applicable to flexible circuit, opens up
The wide range of low temperature curing type electrocondution slurry.
Accompanying drawing explanation
Fig. 1 is the X ray diffracting spectrum of embodiment 1 gained Graphene/argentum nano composite material；
Fig. 2 is the stereoscan photograph of embodiment 1 gained Graphene/argentum nano composite material.
Detailed description of the invention
Embodiment 1
1) preparing Graphene/argentum nano composite material standby, concrete preparation process is as follows:
A) 50 milligrams of GO are dissolved in appropriate amount of deionized water, ultrasonic to being completely dispersed, obtain the homogeneous solution of GO.
B) by analytical pure AgNO3It is dissolved in deionized water preparation and obtains the solution 50 milliliters that concentration is 0.05mol/L, this is molten
Liquid joins step 1) GO homogeneous solution in, after stirring prepare mixed liquor.
C) in the mixed solution of step b), add the citric acid solution 50 milliliters that concentration is 0.05mol/L, stir
After obtain mixed solution；
D) adding ammonia in the mixed solution of step c), regulation solution pH value, to 8, obtains mixing molten after stirring
Liquid；
E) quickly stir after adding reducing agent in the mixed solution of step d) 1 hour, then stop stirring and stand 30
Minute, collect powder product in reaction vessel, successively with deionized water, after dehydrated alcohol alternate repetition cleans for several times,
Being vacuum dried 12 hours at 40 DEG C by powder, obtain composite, in composite, the percentage by weight of Graphene is
8.5%.
The X ray diffracting spectrum of the composite powder of gained and stereoscan photograph are respectively such as Fig. 1 and Fig. 2, institute in Fig. 1
Some diffraction maximums all can be classified as the diffraction maximum of silver, does not find the diffraction maximum of Graphene in Fig. 1, shows that graphene layer is by silver
Grain is dispersed.The composite powder that can be seen that gained from Fig. 1 and Fig. 2 is Graphene/argentum nano composite material, wherein silver
Particle size is nanoscale, and diameter is about 100 nanometers, and dispersed.
2) after organic binder bond being dissolved in organic carrier standby, detailed process is as follows:
Carbitol acetate and 80 grams of (both mass ratioes of mixed solution of propylene glycol phenylate are added in three neck round bottom flask
For 1:1), heating in water bath to 90 DEG C, then weigh acrylic resin 20 grams and join in above-mentioned solution, it is kept stirring for, circulating reflux
It is cooled to room temperature, it is thus achieved that the mixture of thickness after 10 hours.
3) weighing Graphene/argentum nano composite material that mass ratio is 60%, the organic adhesive of 38.7% has been dissolved in
Mixture after airborne body, the defoamer of 0.1%, the surfactant of 0.5%, the thixotropic agent of 0.5% and the levelling agent of 0.2%
And be uniformly mixed, on three-roll grinder, repeat-rolling is to fineness less than 15 microns, obtains low temperature curing type Graphene/silver
Electrocondution slurry.
Embodiment 2
1) preparing Graphene/argentum nano composite material standby, concrete preparation process is as follows:
A) 50 milligrams of GO are dissolved in appropriate amount of deionized water, ultrasonic to being completely dispersed, obtain the homogeneous solution of GO.
B) by analytical pure AgNO3It is dissolved in deionized water preparation and obtains the solution 50 milliliters that concentration is 0.05mol/L, this is molten
In the homogeneous solution of the GO that liquid joins step a), after stirring, prepare mixed liquor.
C) in the mixed solution of step b), add the citric acid solution 50 milliliters that concentration is 0.05mol/L, stir
After obtain mixed solution；
D) adding ammonia in the mixed solution of step c), regulation solution pH value, to 8, obtains mixing molten after stirring
Liquid；
E) quickly stir after adding reducing agent in the mixed solution of step d) 1 hour, then stop stirring and stand 30
Minute, collect powder product in reaction vessel, successively with deionized water, after dehydrated alcohol alternate repetition cleans for several times,
Being vacuum dried 12 hours at 40 DEG C by powder, obtain composite, in composite, the percentage by weight of Graphene is
8.5%.
2) after organic binder bond being dissolved in organic carrier standby, detailed process is as follows:
Terpineol and the mixed solution 80 grams (both mass ratioes are 1:1) of alcohol ester 12, water is added in three neck round bottom flask
Bath is heated to 85 DEG C, then weighs 20 grams of polyester resin and join in above-mentioned solution, is always maintained at stirring, and circulating reflux is after 12 hours
It is cooled to room temperature, it is thus achieved that the mixture of thickness.
3) weighing Graphene/argentum nano composite material that mass ratio is 45%, the organic adhesive of 53.5% has been dissolved in
Mixture after airborne body, the defoamer of 0.15%, the surfactant of 0.5%, the thixotropic agent of 0.7% and the levelling of 0.15%
Agent is also uniformly mixed, on three-roll grinder repeat-rolling to fineness less than 15 microns, obtain low temperature curing type Graphene/
Conductive silver slurry.
Embodiment 3
1) preparing Graphene/argentum nano composite material standby, concrete preparation process is as follows:
A) 80 milligrams of GO are dissolved in appropriate amount of deionized water, ultrasonic to being completely dispersed, obtain the homogeneous solution of GO.
B) by analytical pure AgNO3It is dissolved in deionized water preparation and obtains the solution 50 milliliters that concentration is 0.1mol/L, this is molten
In the homogeneous solution of the GO that liquid joins step a), after stirring, prepare mixed liquor.
C) in the mixed solution of step b), the citric acid solution 50 milliliters that concentration is 0.1mol/L is added, after stirring
Obtain mixed solution；
D) adding ammonia in the mixed solution of step c), regulation solution pH value, to 8, obtains mixing molten after stirring
Liquid；
E) quickly stir after adding reducing agent in the mixed solution of step d) 0.5 hour, then stop stirring and stand
45 minutes, collecting powder product in reaction vessel, successively with deionized water, dehydrated alcohol alternate repetition cleans for several times
After, powder being vacuum dried 12 hours at 40 DEG C, obtains composite, in composite, the percentage by weight of Graphene is
6.9%.
2) after organic binder bond being dissolved in organic carrier standby, detailed process is as follows:
Carbitol acetate and 80 grams of (both mass ratioes of mixed solution of propylene glycol phenylate are added in three neck round bottom flask
For 1:1), heating in water bath to 90 DEG C, then weigh acrylic resin 20 grams and join in above-mentioned solution, it is always maintained at stirring, circulation
It is cooled to room temperature, it is thus achieved that the mixture of thickness after refluxing 10 hours.
3) weighing Graphene/argentum nano composite material that mass ratio is 68%, the organic adhesive of 30% is dissolved in organic
Mixture after carrier, the defoamer of 0.1%, the surfactant of 0.5%, the thixotropic agent of 0.5% and the levelling agent of 0.9% are also
Being uniformly mixed, on three-roll grinder, repeat-rolling is to fineness less than 15 microns, obtains low temperature curing type Graphene/silver and leads
Plasma-based material.
Embodiment 4
1) preparing Graphene/argentum nano composite material standby, concrete preparation process is as follows:
A) 100 milligrams of GO are dissolved in appropriate amount of deionized water, ultrasonic to being completely dispersed, obtain the homogeneous solution of GO.
B) by analytical pure AgNO3It is dissolved in deionized water preparation and obtains the solution 50 milliliters that concentration is 0.3mol/L, this is molten
In the homogeneous solution of the GO that liquid joins step a), after stirring, prepare mixed liquor.
C) in the mixed solution of step b), the citric acid solution 50 milliliters that concentration is 0.3mol/L is added, after stirring
Obtain mixed solution；
D) adding ammonia in the mixed solution of step c), regulation solution pH value, to 8, obtains mixing molten after stirring
Liquid；
E) quickly stir after adding reducing agent in the mixed solution of step d) 0.5 hour, then stop stirring and stand
30 minutes, collecting powder product in reaction vessel, successively with deionized water, dehydrated alcohol alternate repetition cleans for several times
After, powder being vacuum dried 12 hours at 40 DEG C, obtains composite, in composite, the percentage by weight of Graphene is
3%.
2) after organic binder bond being dissolved in organic carrier standby, detailed process is as follows:
Carbitol acetate and 80 grams of (both of mixed solution of dibutyl phthalate are added in three neck round bottom flask
Mass ratio is 1:1), heating in water bath to 95 DEG C, then weigh vinyl chloride-vinyl acetate resin 20 grams and join in above-mentioned solution, it is always maintained at stirring,
Circulating reflux was cooled to room temperature after 12 hours, it is thus achieved that the mixture of thickness.
3) weighing Graphene/argentum nano composite material that mass ratio is 75%, the organic adhesive of 24% is dissolved in organic
Mixture after carrier, the defoamer of 0.1%, the surfactant of 0.4%, the thixotropic agent of 0.3% and the levelling agent of 0.2% are also
Being uniformly mixed, on three-roll grinder, repeat-rolling is to fineness less than 15 microns, obtains low temperature curing type Graphene/silver and leads
Plasma-based material.
By the electrocondution slurry in above-mentioned 4 embodiments respectively with in screen printing mode printing to flexible parent metal ito film, add
Heat cure forms required conducting wire sample；And it is carried out respectively sheet resistance test, adhesive force test and resistance to bending test.
Sheet resistance is tested: tested by foursquare cured pattern four-point probe, records sheet resistance；
Adhesive force is tested: be bonded at by 3M810 adhesive tape on hundred cured lattice test patterns, exerts oneself wiping adhesive tape with rubber, and 1
After minute, promptly adhesive tape is the most firmly shut down in adhesive tape one end, and record does not falls off pattern area ratio；
Resistance to bending test: the initial resistance value of record curing line, then by curing line doubling, and with the weight of 2 kilograms
Code pushes down 30s, repeatedly records resistance value after 5 times, and calculates resistance change rate Δ R1。
Table 1 is summed up for electrocondution slurry performance data in embodiment 1-4 and is compared.
Data from table 1 are it can be seen that electrocondution slurry of the present invention shows good electric conductivity, even if multiple
Still having relatively low sheet resistance when condensation material content is 45%, it is more than 60% common silver slurry that performance comparable intends silver content, has saved your gold
Belong to the use of silver.Additionally, electrocondution slurry of the present invention has preferable resistance to bending performance, go for flexible circuit.
In sum, the electrocondution slurry of the present invention and common silver slurry contrast, it is possible to reduce the consumption of silver, reduces cost, and is applicable to
Flexible circuit, has widened the range of low temperature curing type electrocondution slurry, has important using value.
Claims (14)
1. low temperature curing type Graphene/conductive silver slurry, it is characterised in that comprise the following component calculated by mass percentage:
Graphene/argentum nano composite material 45～85%, organic binder bond 5～15%, organic carrier 15～40%, additive 0～
2%.
Low temperature curing type Graphene/conductive silver slurry the most according to claim 1, it is characterised in that described Graphene/
Argentum nano composite material is powder body, and the particle size distribution of powder is between 0.5～30 micron.
Low temperature curing type Graphene/conductive silver slurry the most according to claim 1, it is characterised in that described Graphene/
In argentum nano composite material, the weight percentage of Graphene is 0.1～15%.
Low temperature curing type Graphene/conductive silver slurry the most according to claim 1, it is characterised in that described Graphene/
In argentum nano composite material, Argent grain is dispersed.
Low temperature curing type Graphene/conductive silver slurry the most according to claim 1, it is characterised in that described is organic viscous
Knot agent include phenolic resin, epoxy resin, acrylic resin, organic siliconresin, vinyl chloride-vinyl acetate resin, polyester resin, vinylite,
Any one or two kinds of in polyurethane resin, alkyd resin, aldehyde ketone, polyketone resin, Nitro cellulose resin, ethyl cellulose with
On combination.
Low temperature curing type Graphene/conductive silver slurry the most according to claim 1, it is characterised in that described having is airborne
Body includes terpineol, propylene glycol phenylate, dibutyl phthalate, high boiling solvent mixed dibasic acid ester, alcohol ester 12, card must
Pure acetate, butyl card must the combinations of any one or more in pure acetate.
Low temperature curing type Graphene/conductive silver slurry the most according to claim 1, it is characterised in that described additive
Including the combination of any one or more in thixotropic agent, levelling agent, defoamer, surfactant.
8. a preparation method for the low temperature curing type Graphene/conductive silver slurry as described in claim 1～7 any one,
It is characterized in that, comprise the following steps:
1) Graphene/argentum nano composite material is prepared；
2) by organic binder bond heating for dissolving in organic carrier, cooling obtains mixture；
3) by Graphene/argentum nano composite material, additive and step 2) mixture that obtains is according to required proportioning mix homogeneously
After on three-roll grinder repeat-rolling to fineness less than 15 microns, obtain low temperature curing type Graphene/conductive silver slurry.
The preparation method of low temperature curing type Graphene/conductive silver slurry the most according to claim 8, it is characterised in that institute
The preparation method of the Graphene/argentum nano composite material stated comprises the following steps:
A) graphene oxide is dissolved in deionized water, ultrasonic to being completely dispersed, obtain the homogeneous solution of graphene oxide；
B) silver nitrate is dissolved in deionized water, obtains the solution that concentration is 0.005mol/L～0.5mol/L；Again by this solution
In the homogeneous solution of the graphene oxide joining step a), after stirring, obtain mixed solution；
C) in the mixed solution of step b), add the citric acid solution that concentration is 0.005mol/L～0.1mol/L, stir
After obtain mixed solution；
D) adding ammonia in the mixed solution of step c), regulation solution pH value, to 8, obtains mixed solution after stirring；
E) quickly stir after adding reducing agent in the mixed solution of step d) 0.5～2 hour, then stop stirring and stand 15
～60 minutes, collect solid product, wash through deionized water and dehydrated alcohol alternate repetition, be dried, obtain Graphene/silver nanoparticle
Composite.
The preparation method of graphene/silver composite material the most according to claim 9, it is characterised in that in step a), described
The addition of graphene oxide is silver theoretical weight 0.2%～30%.
The preparation method of 11. graphene/silver composite material according to claim 9, it is characterised in that in step e), described
The addition of reducing agent adjusted by two parts, determine by the following method: every equimolar silver nitrate adds 1 mole～3 moles reduction
Agent, every gram of graphene oxide adds 0.2 mole～1 moles of reducing agent.
The preparation method of 12. graphene/silver composite material according to claim 9, it is characterised in that described reducing agent
It is hydrazine hydrate, alkali-metal boron hydride and ascorbic acid.
The preparation method of 13. low temperature curing type Graphene/conductive silver slurries according to claim 8, it is characterised in that institute
The organic binder bond stated course of dissolution in organic carrier is as follows:
Organic binder bond is joined in organic carrier, heated and stirred 10～12 hours under the conditions of 80～95 DEG C, after cooling
To mixture.
14. are preparing electronic device according to the low temperature curing type Graphene silver nanoparticle slurry described in claim 1～7 any one
Or photoelectric device is applied, described electronic device or photoelectric device include thin film switch, flexible print circuit and circuit board, thin film
Solaode.
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| CN107913061A (en) * | 2017-12-07 | 2018-04-17 | 湖南豌豆医疗用品有限公司 | A kind of production method of graphene electrocardioelectrode |
| CN108962425A (en) * | 2018-08-02 | 2018-12-07 | 佛山腾鲤新能源科技有限公司 | A kind of preparation method of graphene conductive slurry |
| CN108890170A (en) * | 2018-08-30 | 2018-11-27 | 桂林电子科技大学 | A kind of graphene-nano mattisolda Heat Conduction Material and preparation method thereof |
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| CN113563759A (en) * | 2021-07-14 | 2021-10-29 | 中国科学院山西煤炭化学研究所 | Graphene and nano-silver composite material and preparation method thereof |
| CN113798734A (en) * | 2021-10-15 | 2021-12-17 | 浙江亚通焊材有限公司 | Soldering flux for tin-based soldering paste and laser soft soldering paste for electronic packaging |
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Application publication date: 20161207 |