CN106433317A - Water-based ink-jet nano-silver conductive ink and preparation method thereof - Google Patents
Water-based ink-jet nano-silver conductive ink and preparation method thereof Download PDFInfo
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 42
- 239000002270 dispersing agent Substances 0.000 claims abstract description 29
- 239000000080 wetting agent Substances 0.000 claims abstract description 28
- 239000008367 deionised water Substances 0.000 claims abstract description 26
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 26
- 239000002002 slurry Substances 0.000 claims abstract description 25
- 239000011230 binding agent Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 12
- 229910052709 silver Inorganic materials 0.000 claims description 44
- 239000004332 silver Substances 0.000 claims description 44
- 239000013530 defoamer Substances 0.000 claims description 19
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 19
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver nitrate Substances [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 6
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 6
- 239000012279 sodium borohydride Substances 0.000 claims description 6
- 238000004442 gravimetric analysis Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 239000007791 liquid phase Substances 0.000 claims description 2
- 239000003921 oil Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 6
- 238000007639 printing Methods 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 239000002518 antifoaming agent Substances 0.000 abstract 3
- 239000003906 humectant Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 238000007641 inkjet printing Methods 0.000 description 4
- -1 pottery Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- MFYYARRHQMSYGF-UHFFFAOYSA-N ethane-1,2-diol;2-(2-hydroxyethoxy)ethanol;propane-1,2,3-triol Chemical compound OCCO.OCC(O)CO.OCCOCCO MFYYARRHQMSYGF-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229940083025 silver preparation Drugs 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000002560 therapeutic procedure Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses aqueous inkjet nano silver conductive ink and a preparation method thereof, and is characterized in that the aqueous inkjet nano silver conductive ink consists of the following materials in percentage by mass: 12-25% of nano silver, 60-80% of deionized water, 0.5-1.0% of dispersing agent, 0.1-0.5% of wetting agent, 0.4-2.0% of binder, 0.2-0.4% of defoaming agent and 3.0-10.0% of humectant, wherein the sum of the mass percentage of the components is 100%; the preparation method comprises the following steps: at 1800rpm min-1Under the condition of stirring, sequentially adding a dispersing agent, a wetting agent and a 1/4 defoaming agent into deionized water, stirring for 10-15 minutes, uniformly dispersing, adding the wetting agent, continuously stirring for 5-10 minutes, then adding 0.4-2.0% of a binder, and continuously stirring for 5-10 minutes. Adding 12-25% of nano-silver slurry, stirring for 10 minutes, adding the rest 3/4 defoaming agent at 1200 rpm/min-1Stirring for 30-60min to obtain the ink-jet nano silver conductive ink. The ink-jet nano silver conductive ink has good stability and conductivity, is suitable for printing PET and PI plastic substrates, and has good adhesive force with the surfaces of the substrates.
Description
Technical field
The present invention relates to a kind of aqueous jet conductive ink and preparation method thereof.This conductive ink belongs to printed electronic slurry, is applied to ink-jet printed flexible substrates electronic technology field.
Background technology
In recent years, constantly develop towards light, thin, short, little direction with electronic product, the requirement more and more higher to electronic products manufacturing technology automatization, microminiaturization, low cost, low stain etc. for the people.The Technology of conventionally manufactured conducting wire has etching method, silk screen printing, hectographic printing etc., such technology complex procedures, and waste of raw materials is larger, and environmental pollution is serious, and is difficult to meet electronic product miniaturization, the demand for development of precise treatment.Inkjet printing technique can by various organic and inorganic functional materials no mask, be non-contactly directly printed on all kinds of substrate surfaces, form high-precision conducting wire, figure etc., it is simple that this method not only prints operation sequence, raw material is using fully, environmentally safe, can by quick, flexible using full printing in the way of spray personalization small lot electronic product, electron trade especially microelectronic have embodied huge application advantage, have become the new direction of electronic manufacture industry development.
Ink-jet printed electronics conductive ink (printed conductive ink), as Core Feature material, is the key of printed electronics technology development.It refers to, by printing technology, be deposited on non-conductive base material（Paper, plastics, pottery, glass etc.）, through post processing, the functional ink of conductive pattern or electronic device can be formed.It is compared to common ink, ink-jet nano silver conductive ink has special function, can be widely applied to electronics field, especially printed circuit board, radio frequency electronic tag, solaode, the field such as nesa coating, thin film switch, touch screen, Organic Light Emitting Diode.For solvent, nanometer silver jet conductive ink can be water or organic solvent.Due to development and the maturation of organic type ink auxiliary agent, most conductive ink is organic solvent type at present, occupies market major part share.Waterborne conductive ink environmental protection, meets industry development trend, is increasingly paid close attention to by people.Each addO-on therapy also has a significant impact to ink performance, such as electric conductivity of stability, adhesive force and printing figures etc., so the selection of addO-on therapy has pivotal role to ink performance.
Aqueous jet nano silver conductive ink mainly faces two key issues at present：One is stability；Two is adhesive force.Because nano-Ag particles specific surface area is big, surface energy is high, easily reunites in the solution, and the nano silver conductive ink therefore obtaining high stability is a difficult point.Nano silver conductive ink in particular for inkjet printing, in order to adapt to the requirement of inkjet printing it is desirable to viscosity is suitably low, and in order to meet the requirement of electric conductivity, need that there is of a relatively high content of nanometer silver, the nano silver conductive ink therefore obtaining high stability is more difficult.The general dispersant suitable by introducing prevents particle agglomeration, improves stability.But the more dispersant of nano-Ag particles surface adsorption can affect heat treatment after wire electric conductivity.The flexible parent metal being applied to ink-jet nano silver conductive ink mainly has polyimides（Polymide, PI）, polyethylene terephthalate（Polyethlene terephthalate,
PET）With base materials such as paper.The plastic basis materials such as PI, PET are usually hydrophobicity, and aqueous jet nano silver conductive ink is typically poor in the adhesive force of this kind of substrate surface, thus have impact on the application of aqueous jet nano silver conductive ink.Therefore, develop a kind of good conductivity, stability and adhesive force is good it is adaptable to the water nano silver conductive ink of inkjet printing becomes the art difficult problem urgently to be resolved hurrily.
Content of the invention
In order to overcome the deficiencies in the prior art, the present invention provides a kind of aqueous jet nano silver conductive ink with good stability, and this ink is applied to PI and PET class plastic basis material, through 100-300 DEG C of heat treatment, has good adhesive force and electric conductivity.
The technical solution adopted for the present invention to solve the technical problems is：A kind of aqueous jet nano silver conductive ink is it is characterised in that this conductive ink is made up of the material of following weight/mass percentage composition：Nanometer silver 12-25%, deionized water 60-80%, dispersant 0.5-1.0%, wetting agent 0.1-0.5%, binding agent 0.4-2.0%, defoamer 0.2-0.4%, wetting agent 3.0-10.0%, the mass percentage content sum of above-mentioned each component is 100%.
The nanometer silver that the present invention adopts is with the SN-5040 dispersant of Henkel KGaA company as coating material, is obtained using liquid phase reduction.The pattern of nanometer silver is spherical, particle size distribution range 15-50 nm.Nanometer silver has excellent dispersibility.
The nanometer silver that the present invention adopts is to add in a form of slurry.
The dispersant that the present invention adopts is the Spredox D-260 of Taiwan Doxa company, one of Spredox D-264 and Spredox D-281, and main component is ether/expoxy propane analog copolymer.
The binding agent that the present invention adopts is the HAR868 of Kunshan Karst macromolecular material company limited, and main component is Hydroxylated acrylic resin.
The wetting agent that the present invention adopts is the OT-75 function wetting agent of Qing Te company of the U.S., and main component is sulfo-succinic acid dioctyl sodium salt.
The defoamer that the present invention adopts is the organosilicon oils defoamer of German BYK company, and model is BYK-028.
The wetting agent that the present invention adopts is the mixture of diethylene glycol, ethylene glycol and glycerol, wherein, diethylene glycol：Ethylene glycol：Glycerol=1：3：3.
The water nano silver jet conductive ink of the present invention, its preparation method includes procedure below：0.3-0.4 mol L is prepared under room temperature-1Silver nitrate deionized water solution 400 mL, stir 5 minutes；It is subsequently adding SN-5040 dispersant 0.5-0.8 mL, stirs 15-20 minute, obtain silver nitrate-dispersant solution, solution is warming up to 50 DEG C；Prepare 2 mol L-1Sodium borohydride deionized water solution 30-50 mL；In 1500 rpm min-1Under mixing speed, sodium borohydride solution syringe is added in silver nitrate-dispersant solution with the speed of 3-4 mL per minute, continues reaction 40-90 minute.The nano-Ag particles of preparation are used respectively acetone and deionized water with the rotating speed centrifuge washing 20 minutes of 12000 rpm, and respectively wash 3 times, obtain the nanometer silver slurry of purification.Weight/mass percentage composition using nanometer silver in gravimetric analysis slurry.
Remove the water content in nanometer silver slurry, measure deionized water according to deionized water quality degree 65-80%, in 1800 rpm min-1Sequentially add dispersant 0.5-1.0%, 1/4 in wetting agent 0.1-0.5% and 0.2-0.4% defoamer under stirring state, stir 10-15 minute, be uniformly dispersed, add wetting agent 3.0-10.0%, continue stirring 5-10 minute.It is subsequently added into binding agent 0.4-2.0%, continue stirring 5-10 minute.Add nanometer silver slurry 12-25%, stir 10 minutes, add remaining 3/4 defoamer 1200 rpm min-1Stirring 30-50 min, finally obtains ink-jet nano silver conductive ink.
The invention has the beneficial effects as follows：The present invention prepares nanometer silver using SN-5040 dispersant as coating material so that prepared nano-Ag particles have excellent dispersibility after centrifugation remove impurity in water；Conductive ink is improved in PI, the spreadability of PET class substrate surface and adhesive force as binding agent and sulfo-succinic acid dioctyl sodium salt for wetting agent using Hydroxylated acrylic resin；The compatibility between the dispersibility in water and other auxiliary agents for the nano-Ag particles is improve as dispersant using ether/expoxy propane analog copolymer；Mixture using diethylene glycol, ethylene glycol and glycerol is wetting agent, can effectively adjust viscosity and the rate of drying of ink, it is to avoid particle packing causes spray nozzle clogging, also can effectively reduce " coffee ring " effect of ink droplet simultaneously.
Brief description
Figure 1A is the transmission electron microscope figure using the nanometer silver of nanometer silver preparation method synthesis in the embodiment of the present invention 1.Figure 1B is the X-ray diffractogram using the nanometer silver of nanometer silver preparation method synthesis in the embodiment of the present invention 1.
Fig. 2A is the scanning electron microscope diagram under 100 DEG C of heat treatment conditions for the conducting wire using nano silver conductive ink preparation in the embodiment of the present invention 1.
Fig. 2 B is the scanning electron microscope diagram under 200 DEG C of heat treatment conditions for the conducting wire using nano silver conductive ink preparation in the embodiment of the present invention 1.
Fig. 2 C is the scanning electron microscope diagram under 300 DEG C of heat treatment conditions for the conducting wire using nano silver conductive ink preparation in the embodiment of the present invention 1.
Specific embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, with reference to the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into the scope of protection of the invention.
Embodiment 1
A kind of described aqueous jet nano silver conductive ink, prepares according to following mass percent：Nanometer silver 18%, deionized water 74%, dispersant 0.6%, wetting agent 0.2%, binding agent 2.0%, defoamer 0.2%, wetting agent 5.0%, the mass percentage content sum of above-mentioned each component is 100%.
The preparation method of nanometer silver slurry is as follows：0.4 mol L is prepared under room temperature-1Silver nitrate deionized water solution 400 mL, stir 5 minutes；It is subsequently adding SN-5040 dispersant 0.6 mL, stirs 15 minutes, obtain silver nitrate-dispersant solution, solution is warming up to 50 DEG C；Prepare 2 mol L-1Sodium borohydride deionized water solution 30 mL；In 1500 rpm min-1Under mixing speed, sodium borohydride solution syringe is added in silver nitrate-dispersant solution with the speed of 3 mL per minute, continues reaction 70 minutes.The nano-Ag particles of preparation are used respectively acetone and deionized water with the rotating speed centrifuge washing 20 minutes of 12000 rpm, and respectively wash 3 times, obtain the nanometer silver slurry of purification.Weight/mass percentage composition using nanometer silver in gravimetric analysis slurry is36.4%.
Nano silver conductive ink preparation method is as follows：Remove the moisture containing in nanometer silver slurry and measure deionized water according to deionized water quality degree 74%, in 1800 rpm min-1Dispersant 0.6% is sequentially added under stirring state, the 1/4 of wetting agent 0.2% and 0.2% defoamer, stir 15 minutes, be uniformly dispersed, adding volume ratio is 1：3：3 diethylene glycol-ethylene glycol-glycerol mixed solution 5.0%, continues stirring 10 minutes.It is subsequently added into binding agent 2.0%, continue stirring 10 minutes.Add nanometer silver slurry 18%, stir 10 minutes, add remaining 3/4 defoamer, in 1200 rpm min-1Stir 50 min, finally obtain ink-jet nano silver conductive ink.
Survey the pH value of ink, viscosity, conductivity and surface tension using pH meter, rotating cylinder viscometer, conductivity meter and surface tension respectively, numerical value is respectively 7.81,2.6 mPa s, 1.6 mS cm-1With 33.4 mN m-1.
Embodiment 2
A kind of described aqueous jet nano silver conductive ink, prepares according to following mass percent：Nanometer silver 20%, deionized water 72.9%, dispersant 0.65%, wetting agent 0.25%, binding agent 2.0%, defoamer 0.2%, wetting agent 4.0%, the mass percentage content sum of above-mentioned each component is 100%.
Method according to embodiment 1 prepares nanometer silver slurry, and the weight/mass percentage composition using nanometer silver in gravimetric analysis slurry is36.4%.
Nano silver conductive ink preparation method is as follows：Remove the moisture containing in nanometer silver slurry and measure deionized water according to deionized water quality degree 72.9%, in 1800 rpm min-1Dispersant 0.65% is sequentially added under stirring state, the 1/4 of wetting agent 0.25% and 0.2% defoamer, stir 15 minutes, be uniformly dispersed, adding volume ratio is 1：3：3 diethylene glycol-ethylene glycol-glycerol mixed solution 4.0%, continues stirring 10 minutes.It is subsequently added into binding agent 2.0%, continue stirring 10 minutes.Add nanometer silver slurry 20%, stir 10 minutes, add remaining 3/4 defoamer, in 1200 rpm min-1Stir 50 min, finally obtain ink-jet nano silver conductive ink.
Survey the pH value of ink, viscosity, conductivity and surface tension using pH meter, rotating cylinder viscometer, conductivity meter and surface tension respectively, numerical value is respectively 8.01,2.8 mPa s, 1.7 mS cm-1With 34.2 mN m-1.
Embodiment 3
A kind of described aqueous jet nano silver conductive ink, prepares according to following mass percent：Nanometer silver 23%, deionized water 68.4%, dispersant 0.6%, wetting agent 0.3%, binding agent 2.5%, defoamer 0.2%, wetting agent 5.0%, the mass percentage content sum of above-mentioned each component is 100%.
Method according to embodiment 1 prepares nanometer silver slurry, and the weight/mass percentage composition using nanometer silver in gravimetric analysis slurry is36.4%.
Nano silver conductive ink preparation method is as follows：Remove the moisture containing in nanometer silver slurry and measure deionized water according to deionized water quality degree 68.4%, in 1800 rpm min-1Dispersant 0.6% is sequentially added under stirring state, the 1/4 of wetting agent 0.3% and 0.2% defoamer, stir 15 minutes, be uniformly dispersed, adding volume ratio is 1：3：3 diethylene glycol-ethylene glycol-glycerol mixed solution 4.0%, continues stirring 10 minutes.It is subsequently added into binding agent 2.0%, continue stirring 10 minutes.Add nanometer silver slurry 23%, stir 10 minutes, add remaining 3/4 defoamer, in 1200 rpm min-1Stir 50 min, finally obtain ink-jet nano silver conductive ink.
Survey the pH value of ink, viscosity, conductivity and surface tension using pH meter, rotating cylinder viscometer, conductivity meter and surface tension respectively, numerical value is respectively 8.24,2.7 mPa s, 1.8 mS cm-1With 33.2 mN m-1.
Claims (9)
1. a kind of water nano silver jet conductive ink is it is characterised in that this conductive ink is made up of the material of following weight/mass percentage composition：Nanometer silver 12-25%, deionized water 60-80%, dispersant 0.5-1.0%, wetting agent 0.1-0.5%, binding agent 0.4-2.0%, defoamer 0.2-0.4%, wetting agent 3.0-10.0%, the mass percentage content sum of above-mentioned each component is 100%.
2. a kind of water nano silver jet conductive ink according to claim 1, it is characterised in that nanometer silver is with SN-5040 dispersant as coating material, is obtained using liquid phase reduction, the pattern of nanometer silver is spherical, particle size distribution range 15-50
nm.
3. a kind of water nano silver jet conductive ink according to claim 1 is it is characterised in that nanometer silver is to add in a form of slurry.
4. a kind of water nano silver jet conductive ink according to claim 1 is it is characterised in that dispersant is Sprdox D-260, Sprdox
One of D-264 and Sprdox D-281.
5. a kind of water nano silver jet conductive ink according to claim 1 is it is characterised in that binding agent is HAR868.
6. a kind of water nano silver jet conductive ink according to claim 1 is it is characterised in that wetting agent is OT-75 function wetting agent.
7. a kind of water nano silver jet conductive ink according to claim 1 is it is characterised in that defoamer is organosilicon oils defoamer.
8. a kind of water nano silver jet conductive ink according to claim 1 is it is characterised in that wetting agent is the mixture of diethylene glycol, ethylene glycol and glycerol.
9. a kind of water nano silver jet conductive ink according to claim 1 is it is characterised in that preparation method includes procedure below：0.3-0.4 mol L is prepared under room temperature-1Silver nitrate deionized water solution 400 mL, stir 5 minutes；, it is subsequently adding SN-5040 dispersant 0.5-0.8 mL, stirs 15-20 minute, obtain silver nitrate-dispersant solution, solution is warming up to 50 DEG C；Prepare 2 mol L-1Sodium borohydride deionized water solution 30-50 mL；In 1500 rpm min-1Under mixing speed, sodium borohydride solution syringe is added in silver nitrate-dispersant solution with the speed of 3-4 mL per minute, continues reaction 40-90 minute；The nano-Ag particles of preparation are used respectively acetone and deionized water with the rotating speed centrifuge washing 20 minutes of 12000 rpm, and respectively wash 3 times, obtain the nanometer silver slurry of purification；Mass percentage content using nanometer silver in gravimetric analysis slurry；Remove the water content in nanometer silver slurry, measure deionized water according to deionized water quality degree 65-80%, 1800
rpm·min-1Sequentially add dispersant 0.5-1.0%, 1/4 in wetting agent 0.1-0.5% and 0.2-0.4% defoamer under stirring state, stir 10-15 minute, be uniformly dispersed, add wetting agent 3.0-10.0%, continue stirring 5-10 minute；It is subsequently added into binding agent 0.4-2.0%, continue stirring 5-10 minute；Add nanometer silver slurry 12-25%, stir 10 minutes, add remaining 3/4 defoamer 1200 rpm min-1Stirring 30-50 min, finally obtains ink-jet nano silver conductive ink.
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| CN108504185A (en) * | 2018-05-10 | 2018-09-07 | 北京理工大学珠海学院 | A kind of preparation method of ink-jet nano silver conductive ink |
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| CN109535849A (en) * | 2018-12-18 | 2019-03-29 | 盐城工学院 | A kind of ink-jet nano silver conductive ink and preparation method thereof |
| CN109777207A (en) * | 2018-04-02 | 2019-05-21 | 中国科学院上海应用物理研究所 | A method of the control carbon-based material surface printing uniformity |
| CN111151767A (en) * | 2020-01-16 | 2020-05-15 | 江苏镭明新材料科技有限公司 | Preparation method of composite nano-silver ink-jet conductive ink |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109385144A (en) * | 2017-08-09 | 2019-02-26 | 电子科技大学中山学院 | Water-based nano-silver conductive ink for textiles |
| CN109777207A (en) * | 2018-04-02 | 2019-05-21 | 中国科学院上海应用物理研究所 | A method of the control carbon-based material surface printing uniformity |
| CN109777207B (en) * | 2018-04-02 | 2021-03-05 | 中国科学院上海应用物理研究所 | Method for controlling printing uniformity of surface of carbon-based material |
| CN108674048A (en) * | 2018-04-09 | 2018-10-19 | 深圳市可信华成通信科技有限公司 | A kind of nonmetallic surface realizes the method and component of metallization pattern |
| CN108504185A (en) * | 2018-05-10 | 2018-09-07 | 北京理工大学珠海学院 | A kind of preparation method of ink-jet nano silver conductive ink |
| CN109535849A (en) * | 2018-12-18 | 2019-03-29 | 盐城工学院 | A kind of ink-jet nano silver conductive ink and preparation method thereof |
| CN111151767A (en) * | 2020-01-16 | 2020-05-15 | 江苏镭明新材料科技有限公司 | Preparation method of composite nano-silver ink-jet conductive ink |
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