CN104867533A - Photosensitive conductive silver slurry and preparation method thereof - Google Patents
Photosensitive conductive silver slurry and preparation method thereof Download PDFInfo
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- CN104867533A CN104867533A CN201410062712.6A CN201410062712A CN104867533A CN 104867533 A CN104867533 A CN 104867533A CN 201410062712 A CN201410062712 A CN 201410062712A CN 104867533 A CN104867533 A CN 104867533A
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Abstract
The invention provides photosensitive conductive silver slurry and a preparation method thereof. The photosensitive conductive silver slurry comprises 65-76% of silver powder, 5-10% of PEDOT: PSS conducting adhesive, 10-20% of organic carrier, 5-12% of photo polymeric monomer, 2-6% of photoinitiator and 2-4% of auxiliary agent by weight. The photosensitive conductive silver slurry is high in conductivity, stable in performance and wide in application prospects.
Description
Technical field
The present invention relates to electric conducting material field, particularly a kind of photosensitive conductive aluminium paste and preparation method thereof.
Background technology
Because touch-screen has the advantages such as directly perceived, simple, quick, it has become the main flow input equipment improving man machine operation interface, such as mobile phone, PDA, multimedia, public information inquiry system etc.Along with the develop rapidly of science and technology, the performance of touch-screen constantly promotes, and the competition in industry is also more and more fierce, therefore under the prerequisite of holding capacitor formula touch screen performance advantage, how to realize the reduction of its manufacturing cost, with regard to the important topic of Cheng Liaoge great touch-control manufacturer.
Along with the develop rapidly of touch-control industry, the quality requirements of people to touch-control product is more and more higher, and functionally requirement can realize accurate location, rapidly induction and multi-point touch etc. on the one hand, can realize the features such as lightening and narrow frame in appearance on the other hand.Wherein, the live width line-spacing of contact conductor can be reached the resolution of 20/20 μm by photosensitive conductive aluminium paste, compared with starching (100/100 μm), greatly reduces electrode border and takes up room, thus realize the design of narrow frame with common silver.
Current photosensitive conductive aluminium paste is primarily of silver powder, organic polymer carrier, light trigger, additive and solvent composition.Because organic carrier is all nonconducting resinous matter, therefore in order to obtain low-resistance conductive silver paste, in ink, all a large amount of silver powder can be used.But, in capacitive touch screen electrode fabrication process, after the heat baking of several roads, due to silver particles particle diameter less (0.5-2 μm), easily reunite between particle, as shown in Figure 1, for the photosensitive conductive aluminium paste of prior art and the schematic diagram of ITO electrode interracial contact, silver particles 3 wherein in silver slurry layer 2 is insufficient with the Contact of ITO layer 1, effective contact point 11 is less, easily cause interface overlap resistance value higher, cause touch-control product function bad, thus have impact on the quality of capacitive touch control products largely.
Summary of the invention
For the defect that existing photosensitive conductive aluminium paste exists, inventor, through long-term further investigation, proposes a kind of good conductivity, the photosensitive conductive aluminium paste of stable performance, thus improves the conduction of Total Product.
On the one hand, the invention provides a kind of photosensitive conductive aluminium paste, this photosensitive conductive aluminium paste comprises following component by weight percentage: silver powder 65 ~ 76%, PEDOT:PSS conductive rubber 5 ~ 10%, organic carrier 10 ~ 20%, photo polymerization monomer 5 ~ 12%, light trigger 2 ~ 6% and auxiliary agent 2 ~ 4%.
In an execution mode of photosensitive conductive aluminium paste of the present invention, described silver powder is spheric granules, and its particle diameter is 0.3 ~ 2.5 μm.
In another execution mode of photosensitive conductive aluminium paste of the present invention, the particle diameter of described PEDOT:PSS conductive rubber is 0.5 ~ 3.5 μm, and conductivity is greater than 100S/cm.
In another execution mode of photosensitive conductive aluminium paste of the present invention, described organic carrier comprises resin and solvent, and described resin is acrylic copolymer, and described solvent comprises aliphatic alcohol and ester class thereof.
In another execution mode of photosensitive conductive aluminium paste of the present invention, described photo polymerization monomer be selected from double pentaerythritol methacrylate, pentaerythritol triacrylate, ethylene glycol diacrylate, three acrylic acid propylene glycol esters, ethoxylated trimethylolpropane triacrylate, tert-butyl acrylate any one or a few.
In another execution mode of photosensitive conductive aluminium paste of the present invention, described light trigger is selected from 1-to one or more in morpholinyl phenyl-2-dimethylamino-2-benzyl-1-butanone, dimethoxybenzoin, Dialkoxy acetophenones, Alpha-hydroxy cyclohexyl benzophenone.
In another execution mode of photosensitive conductive aluminium paste of the present invention, described auxiliary agent comprises thickener, defoamer, coupling agent and levelling agent.
In another execution mode of photosensitive conductive aluminium paste of the present invention, described thickener is selected from one or more in lecithin, glycerine, rilanit special and aerosil, described defoamer is selected from one or more in ethanol, n-butanol and organosiloxane, described coupling agent is selected from one or more in silane coupling agent, titanate coupling agent and aluminate coupling agent, and described levelling agent is selected from one or more in tributyl phosphate, O-phthalic ester dibutyl ester and castor oil.
On the other hand, the present invention also provides the method preparing above-mentioned photosensitive conductive aluminium paste, comprises the following steps:
Resin and PEDOT:PSS conductive rubber are joined in solvent, adds thermal agitation under nitrogen protection, dissolve completely to resin, cooled and filtered, thus the obtained organic carrier carrying PEDOT:PSS conductive rubber; And
In gold-tinted environment, in organic carrier, add silver powder, photo polymerization monomer, light trigger and auxiliary agent, after mechanical agitation is even, carry out three-roll rolling, obtained photosensitive conductive aluminium paste.
In an execution mode of the inventive method, the addition of each component is by weight percentage: silver powder 65 ~ 76%, PEDOT:PSS conductive rubber 5 ~ 10%, resin and solvent 10 ~ 20%, photo polymerization monomer 5 ~ 12%, light trigger 2 ~ 6% and auxiliary agent 2 ~ 4%.
In another execution mode of the inventive method, described silver powder is spheric granules, and its particle diameter is 0.3 ~ 2.5 μm.
In another execution mode of the inventive method, the particle diameter of described PEDOT:PSS conductive rubber is 0.5 ~ 3.5 μm, and conductivity is greater than 100S/cm.
In another execution mode of the inventive method, described resin is acrylic copolymer, and described solvent comprises aliphatic alcohol and ester class thereof.
In another execution mode of the inventive method, the viscosity of the organic carrier of described lift-launch PEDOT:PSS conductive rubber is 100 ~ 300dPas.
In another execution mode of the inventive method, described photo polymerization monomer be selected from double pentaerythritol methacrylate, pentaerythritol triacrylate, ethylene glycol diacrylate, three acrylic acid propylene glycol esters, ethoxylated trimethylolpropane triacrylate, tert-butyl acrylate any one or a few.
In another execution mode of the inventive method, described light trigger is selected from 1-to one or more in morpholinyl phenyl-2-dimethylamino-2-benzyl-1-butanone, dimethoxybenzoin, Dialkoxy acetophenones, Alpha-hydroxy cyclohexyl benzophenone.
In another execution mode of the inventive method, described auxiliary agent comprises thickener, defoamer, coupling agent and levelling agent.
In another execution mode of the inventive method, described thickener is selected from one or more in lecithin, glycerine, rilanit special and aerosil, described defoamer is selected from one or more in ethanol, n-butanol and organosiloxane, described coupling agent is selected from one or more in silane coupling agent, titanate coupling agent and aluminate coupling agent, and described levelling agent is selected from one or more in tributyl phosphate, O-phthalic ester dibutyl ester and castor oil.
In another execution mode of the inventive method, the grain diameter of described photosensitive conductive aluminium paste is 2 ~ 8 μm, and viscosity is 200 ± 50dPas.
Adulterate in photoelectric sensitivity conductive silver slurry of the present invention PEDOT:PSS conductive rubber, and it is very well dispersed in alcohols solvent, adds the conducting particles of system on the one hand, thus improves the conduction of silver slurry layer; The doping of PEDOT:PSS adds the effective contact point between silver slurry layer and ITO electrode layer on the other hand, reduces the contact resistance between interface, thus improves the conduction of Total Product.Therefore, photosensitive conductive aluminium paste good conductivity of the present invention, stable performance, has broad application prospects.
Accompanying drawing explanation
Fig. 1 is the photosensitive conductive aluminium paste of prior art and the schematic diagram of ITO electrode interracial contact;
Fig. 2 is the schematic diagram of photosensitive conductive aluminium paste of the present invention and ITO electrode interracial contact.
Wherein, description of reference numerals is as follows:
1 ITO layer
11 effective contact points
2 silver slurry layers
3 silver particles
4 organic carriers
5 PEDOT:PSS conductive rubbers
Embodiment
According to specific embodiment, technical scheme of the present invention is described further below.Protection scope of the present invention is not limited to following examples, enumerates these examples and does not only limit the present invention in any way for exemplary purpose.
The invention provides a kind of photosensitive conductive aluminium paste, this photosensitive conductive aluminium paste comprises following component by weight percentage: silver powder 65 ~ 76%, PEDOT:PSS conductive rubber 5 ~ 10%, organic carrier 10 ~ 20%, photo polymerization monomer 5 ~ 12%, light trigger 2 ~ 6% and auxiliary agent 2 ~ 4%.
Silver powder is spheric granules, and its particle diameter is 0.3 ~ 2.5 μm.
PEDOT:PSS conductive rubber is the polymer that a kind of conductivity is high, and with particle shape dispersion in aqueous solution, its structure is such as formula shown in I:
The particle diameter of PEDOT:PSS conductive rubber is 0.5 ~ 3.5 μm, conductivity is greater than 100S/cm, and has high stability when the state of oxidation, is heated to 120 DEG C in atmosphere, and after more than 1000 hours, its conductivity variations is minimum.As shown in Figure 2, for the schematic diagram of photosensitive conductive aluminium paste of the present invention and ITO electrode interracial contact, PEDOT:PSS conductive rubber 5 is good with the compatibility of organic carrier 4, and dispersiveness is wherein fine, especially add the effective contact point 11 between silver particles 3 in silver slurry layer 2 and ITO electrode layer 1, thus improve the conduction of Total Product.
Organic carrier comprises resin and solvent.Resin is acrylic copolymer, its comonomer comprises alkyl acrylate, styrene, acrylic compounds etc. containing acidic functionality, the example of resin includes but not limited to methacrylic acid-2-hydroxy methacrylate and methacrylic acid copolymer, the acrylic acid-misery resin copolymer of butyl acrylate-propylene, Styrene-methyl Acrylic Acid Copolymer etc.Solvent is atent solvent, there is enough volatility, can be evaporated from mixture, to form thin layer after silk screen printing by heating, solvent can be aliphatic alcohol and ester class thereof, such as acetic acid-2-ethoxy ethoxyethyl acrylate, naphtha, glycerol, isopropyl alcohol etc.
Photo polymerization monomer be selected from double pentaerythritol methacrylate, pentaerythritol triacrylate, ethylene glycol diacrylate, three acrylic acid propylene glycol esters, ethoxylated trimethylolpropane triacrylate, tert-butyl acrylate any one or a few.
Light trigger is selected from 1-to one or more in morpholinyl phenyl-2-dimethylamino-2-benzyl-1-butanone, dimethoxybenzoin, Dialkoxy acetophenones, Alpha-hydroxy cyclohexyl benzophenone.
Auxiliary agent comprises thickener, defoamer, coupling agent and levelling agent.Thickener is selected from one or more in lecithin, glycerine, rilanit special and aerosil.Defoamer is selected from one or more in ethanol, n-butanol and organosiloxane.Coupling agent is selected from one or more in silane coupling agent, titanate coupling agent and aluminate coupling agent.Levelling agent is selected from one or more in tributyl phosphate, O-phthalic ester dibutyl ester and castor oil.Above-mentioned auxiliary agent can add according to the requirement of silver slurry product property, such as, strictly not having alveolate to printing effect requirements, just needing the defoamer adding slightly volume, if to bubble not requirement, then can not add defoamer.
The present invention also provides the method preparing above-mentioned photosensitive conductive aluminium paste, comprises the following steps:
Resin and PEDOT:PSS conductive rubber are joined in solvent, adds thermal agitation under nitrogen protection, dissolve completely to resin, cooled and filtered, thus the obtained organic carrier carrying PEDOT:PSS conductive rubber; And
In gold-tinted environment, in organic carrier, add silver powder, photo polymerization monomer, light trigger and auxiliary agent, after mechanical agitation is even, carry out three-roll rolling, obtained photosensitive conductive aluminium paste.
In the above-mentioned methods, the addition of each component is by weight percentage: silver powder 65 ~ 76%, PEDOT:PSS conductive rubber 5 ~ 10%, resin and solvent 10 ~ 20%, photo polymerization monomer 5 ~ 12%, light trigger 2 ~ 6% and auxiliary agent 2 ~ 4%.
In the above-mentioned methods, the viscosity of carrying the organic carrier of PEDOT:PSS conductive rubber is 100 ~ 300dPas.
In the above-mentioned methods, obtained the photosensitive conductive aluminium paste of uniformity after three-roll rolling by the fine setting of solvent, its grain diameter is 2 ~ 8 μm, and viscosity is 200 ± 50dPas.
Unless otherwise defined, term used herein is the implication that those skilled in the art understand usually.
By the following examples the present invention is described in further detail.
Embodiment
In the examples below, PEDOT:PSS conductive rubber is purchased from Beyer Co., Ltd, and photo polymerization monomer, light trigger and auxiliary agent are purchased from traditional Chinese medicines group.
Embodiment 1
By raw material weight ratio; get methacrylic acid-2-hydroxy methacrylate and methacrylic acid copolymer (weight average molecular weight 25000) 6%; PEDOT:PSS conductive rubber (conductivity >100S/cm) 6%; join in the mixed solvent of acetic acid-2-ethoxy ethoxyethyl acrylate 5%, naphtha 4%, glycerol 1% composition; be heated to 100 DEG C under nitrogen protection; continuous stirring; until solid all dissolves; be incubated 1 hour; cool to room temperature; filtered by 50 μm of filters, obtain the organic carrier carrying PEDOT:PSS conductive rubber.
By silver powder 66%, photo polymerization monomer double pentaerythritol methacrylate 7%, light trigger Alpha-hydroxy cyclohexyl benzophenone 3%, silane coupler 0.5%, O-phthalic ester dibutyl ester 0.5%, aerosil 1%, in gold-tinted environment, joins in the organic carrier obtained above, after mechanical agitation is even, carry out three-roll rolling, by the fine setting of solvent reach silver slurry grain diameter 2-8 μm, viscosity 200 ± 50dPas, system mix consistent photosensitive conductive aluminium paste.
Embodiment 2
By raw material weight ratio; get methacrylic acid-2-hydroxy methacrylate and methacrylic acid copolymer (weight average molecular weight 25000) 5%; PEDOT:PSS conductive rubber (conductivity >100S/cm) 7%; join in the mixed solvent of acetic acid-2-ethoxy ethoxyethyl acrylate 4%, naphtha 2%, glycerol 1% composition; be heated to 100 DEG C under nitrogen protection; continuous stirring; until solid all dissolves; be incubated 1 hour; cool to room temperature; filtered by 50 μm of filters, obtain the organic carrier carrying PEDOT:PSS conductive rubber.
By silver powder 72%, photo polymerization monomer ethoxylated trimethylolpropane triacrylate 5%, light trigger 1-is to morpholinyl phenyl-2-dimethylamino-2-benzyl-1-butanone 2%, silane coupler 0.6%, O-phthalic ester dibutyl ester 0.6%, lecithin 0.8%, in gold-tinted environment, join in the organic carrier obtained above, after mechanical agitation is even, carry out three-roll rolling, by the fine setting of solvent reach silver slurry grain diameter 2-8 μm, viscosity 200 ± 50dPas, system mix consistent photosensitive conductive aluminium paste.
Embodiment 3
By raw material weight ratio; get methacrylic acid-2-hydroxy methacrylate and methacrylic acid copolymer (weight average molecular weight 25000) 5%; PEDOT:PSS conductive rubber (conductivity >100S/cm) 5%; join in the mixed solvent of acetic acid-2-ethoxy ethoxyethyl acrylate 5%, naphtha 1%, isopropyl alcohol 1% composition; be heated to 100 DEG C under nitrogen protection; continuous stirring; until solid all dissolves; be incubated 1 hour; cool to room temperature; filtered by 50 μm of filters, obtain the organic carrier carrying PEDOT:PSS conductive rubber.
By silver powder 73%, photo polymerization monomer pentaerythritol triacrylate 6%, light trigger Alpha-hydroxy cyclohexyl benzophenone 2%, silane coupler 0.8%, O-phthalic ester dibutyl ester 0.7%, lecithin 0.5%, in gold-tinted environment, joins in the organic carrier obtained above, after mechanical agitation is even, carry out three-roll rolling, by the fine setting of solvent reach silver slurry grain diameter 2-8 μm, viscosity 200 ± 50dPas, system mix consistent photosensitive conductive aluminium paste.
Comparative example 1
Adopt and embodiment 1 same procedure obtains photosensitive conductive aluminium paste, wherein silver powder, organic carrier, photo polymerization monomer, light trigger are all identical with weight with the kind of auxiliary agent, and difference is not add PEDOT:PSS conductive rubber.
Conducting performance test is carried out to the photosensitive conductive aluminium paste of embodiment 1 and comparative example 1:
1. ratio resistance: first photosensitive conductive aluminium paste to be measured is passed through half tone, on PET, print off a rectangular pattern, then use universal instrument at rectangular two ends, measure the resistance value R of rectangular photosensitive conductive aluminium paste, then measure rectangular width B with ruler, and electrode length A, with the thickness D of thickness gauge test strip silver slurry, the ratio resistance ρ of photosensitive conductive aluminium paste can be calculated finally by following formula:
The ratio resistance of the photosensitive conductive aluminium paste of embodiment 1 is 1.0 × 10
-4Ω .cm, and the ratio resistance of the photosensitive conductive aluminium paste of comparative example 1 is 4.5 × 10
-4Ω .cm
2. the contact impedance between photosensitive conductive aluminium paste and electrically conducting transparent matrix (such as ITO): by photosensitive conductive aluminium paste to be measured by half tone printed patterns on conductive base, then by universal instrument measurement impedance value on circular silver slurry.
The contact impedance of photosensitive conductive aluminium paste of the present invention and conducting base is 160 Ω, and the photosensitive conductive aluminium paste contact impedance of comparative example 1 is 270 Ω.
In sum, photosensitive conductive aluminium paste good conductivity of the present invention, stable performance, has broad application prospects.
Those skilled in the art it should be noted that execution mode described in the invention is only exemplary, can make other replacements various, changes and improvements within the scope of the invention.Thus, the invention is not restricted to above-mentioned execution mode, and be only defined by the claims.
Claims (17)
1. a photosensitive conductive aluminium paste, this photosensitive conductive aluminium paste comprises following component by weight percentage: silver powder 65 ~ 76%, PEDOT:PSS conductive rubber 5 ~ 10%, organic carrier 10 ~ 20%, photo polymerization monomer 5 ~ 12%, light trigger 2 ~ 6% and auxiliary agent 2 ~ 4%.
2. photosensitive conductive aluminium paste according to claim 1, wherein said silver powder is spheric granules, and its particle diameter is 0.3 ~ 2.5 μm.
3. photosensitive conductive aluminium paste according to claim 1, the particle diameter of wherein said PEDOT:PSS conductive rubber is 0.5 ~ 3.5 μm, and conductivity is greater than 100S/cm.
4. photosensitive conductive aluminium paste according to claim 1, wherein said organic carrier comprises resin and solvent, and described resin is acrylic copolymer, and described solvent is aliphatic alcohol and ester class thereof.
5. photosensitive conductive aluminium paste according to claim 1, wherein said photo polymerization monomer be selected from double pentaerythritol methacrylate, pentaerythritol triacrylate, ethylene glycol diacrylate, three acrylic acid propylene glycol esters, ethoxylated trimethylolpropane triacrylate, tert-butyl acrylate any one or a few, described light trigger is selected from 1-to one or more in morpholinyl phenyl-2-dimethylamino-2-benzyl-1-butanone, dimethoxybenzoin, Dialkoxy acetophenones, Alpha-hydroxy cyclohexyl benzophenone.
6. photosensitive conductive aluminium paste according to claim 1, wherein said auxiliary agent comprises thickener, defoamer, coupling agent and levelling agent.
7. photosensitive conductive aluminium paste according to claim 6, wherein said thickener is selected from one or more in lecithin, glycerine, rilanit special and aerosil, described defoamer is selected from one or more in ethanol, n-butanol and organosiloxane, described coupling agent is selected from one or more in silane coupling agent, titanate coupling agent and aluminate coupling agent, and described levelling agent is selected from one or more in tributyl phosphate, O-phthalic ester dibutyl ester and castor oil.
8. prepare a method for photosensitive conductive aluminium paste, comprise the following steps:
Resin and PEDOT:PSS conductive rubber are joined in solvent, adds thermal agitation under nitrogen protection, dissolve completely to resin, cooled and filtered, thus the obtained organic carrier carrying PEDOT:PSS conductive rubber; And
In gold-tinted environment, in described organic carrier, add silver powder, photo polymerization monomer, light trigger and auxiliary agent, after mechanical agitation is even, carry out three-roll rolling, obtained photosensitive conductive aluminium paste.
9. method according to claim 8, wherein the addition of each component is by weight percentage: silver powder 65 ~ 76%, PEDOT:PSS conductive rubber 5 ~ 10%, resin and solvent 10 ~ 20%, photo polymerization monomer 5 ~ 12%, light trigger 2 ~ 6% and auxiliary agent 2 ~ 4%.
10. method according to claim 8, wherein said silver powder is spheric granules, and its particle diameter is 0.3 ~ 2.5 μm.
11. methods according to claim 8, the particle diameter of wherein said PEDOT:PSS conductive rubber is 0.5 ~ 3.5 μm, and conductivity is greater than 100S/cm.
12. methods according to claim 8, wherein said resin is acrylic copolymer, and described solvent comprises aliphatic alcohol and ester class thereof.
13. methods according to claim 8, the viscosity of the organic carrier of wherein said lift-launch PEDOT:PSS conductive rubber is 100 ~ 300dPas.
14. methods according to claim 8, wherein said photo polymerization monomer be selected from double pentaerythritol methacrylate, pentaerythritol triacrylate, ethylene glycol diacrylate, three acrylic acid propylene glycol esters, ethoxylated trimethylolpropane triacrylate, tert-butyl acrylate any one or a few, described light trigger is selected from 1-to one or more in morpholinyl phenyl-2-dimethylamino-2-benzyl-1-butanone, dimethoxybenzoin, Dialkoxy acetophenones, Alpha-hydroxy cyclohexyl benzophenone.
15. methods according to claim 8, wherein said auxiliary agent comprises thickener, defoamer, coupling agent and levelling agent.
16. methods according to claim 15, wherein said thickener is selected from one or more in lecithin, glycerine, rilanit special and aerosil, described defoamer is selected from one or more in ethanol, n-butanol and organosiloxane, described coupling agent is selected from one or more in silane coupling agent, titanate coupling agent and aluminate coupling agent, and described levelling agent is selected from one or more in tributyl phosphate, O-phthalic ester dibutyl ester and castor oil.
Method any one of 17. according to Claim 8 to 16, the grain diameter of wherein said photosensitive conductive aluminium paste is 2 ~ 8 μm, and viscosity is 200 ± 50dPas.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869705A (en) * | 2016-03-31 | 2016-08-17 | 深圳市国创珈伟石墨烯科技有限公司 | Graphene/nano-silver light-sensitive conductive composite paste and preparation method therefor |
| CN107093490A (en) * | 2017-03-24 | 2017-08-25 | 合肥羿振电力设备有限公司 | A kind of capacitor conductive silver paste and preparation method thereof |
| CN108182985A (en) * | 2016-12-08 | 2018-06-19 | 富泰华工业（深圳）有限公司 | The photosensitive silver paste of organic carrier and the application organic carrier |
| CN108929580A (en) * | 2018-09-08 | 2018-12-04 | 佛山皖和新能源科技有限公司 | A kind of preparation method of the dedicated high dispersancy nano silver of electrically conductive ink |
| CN109975374A (en) * | 2019-03-18 | 2019-07-05 | 浙江大学 | Composite conducting slurry and electrode preparation method based on conducting polymer and silver nano-grain and the application in detection of organic phosphorus pesticide |
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2014
- 2014-02-24 CN CN201410062712.6A patent/CN104867533A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869705A (en) * | 2016-03-31 | 2016-08-17 | 深圳市国创珈伟石墨烯科技有限公司 | Graphene/nano-silver light-sensitive conductive composite paste and preparation method therefor |
| CN108182985A (en) * | 2016-12-08 | 2018-06-19 | 富泰华工业（深圳）有限公司 | The photosensitive silver paste of organic carrier and the application organic carrier |
| CN107093490A (en) * | 2017-03-24 | 2017-08-25 | 合肥羿振电力设备有限公司 | A kind of capacitor conductive silver paste and preparation method thereof |
| CN108929580A (en) * | 2018-09-08 | 2018-12-04 | 佛山皖和新能源科技有限公司 | A kind of preparation method of the dedicated high dispersancy nano silver of electrically conductive ink |
| CN109975374A (en) * | 2019-03-18 | 2019-07-05 | 浙江大学 | Composite conducting slurry and electrode preparation method based on conducting polymer and silver nano-grain and the application in detection of organic phosphorus pesticide |
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