CN110517829A - The preparation method of silver nanowires film - Google Patents
The preparation method of silver nanowires film Download PDFInfo
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- CN110517829A CN110517829A CN201910744920.7A CN201910744920A CN110517829A CN 110517829 A CN110517829 A CN 110517829A CN 201910744920 A CN201910744920 A CN 201910744920A CN 110517829 A CN110517829 A CN 110517829A
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- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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Abstract
The invention belongs to technical field of nano material, and in particular to a kind of preparation method of silver nanowires film.The preparation method of the silver nanowires film includes the following steps: to provide silver nanowires ink；The silver nanowires ink is coated on substrate surface, then curing process obtains silver nanowires film；Wherein, the curing process the step of before and/or the step of the curing process in, further include wind processing；Wind in the wind processing vertically blows to the substrate surface after porous medium layer.The phenomenon that present invention adjusts by the physics mode of unordered wind or change the orientation of silver nanowires, and silver nanowires all directions on substrate is made to be uniformly dispersed, and is coated with direction arrangement without overwhelming majority edge, finally improves the electric conductivity of silver nanowires film.
Description
Technical field
The invention belongs to technical field of nano material, and in particular to a kind of preparation method of silver nanowires film.
Background technique
Silver nanowires (Silver Nanowires, AgNWs) refers to length in micro-meter scale, diameter the one of nanoscale
Silver metal material is tieed up, draw ratio is up to 1000 or more.In general, the length of silver nanowires is longer, diameter is smaller, light transmission
Degree is higher, resistance is smaller.
Silver nanowires transparent conductive film be it is a kind of by countless silver nanowiress and suitable organic crosslinked in flexible substrate
Conductive film made of upper.Relative to traditional tin indium oxide (ITO) transparent conductive film, silver nanowires transparent conductive film tool
There are more preferably translucency, electric conductivity and bending performance and lower production cost.
Currently, silver nanowires transparent conductive film is produced by way of roll-to-roll coating: silver nanowires ink is led to
It crosses slot coated/dimple to be coated on substrate, is then solidified, formed.During coating, due to silver nanowires, apply
There is shearing force between the leftover of bolt of cloth, substrate, keeps silver nanowires most of along the arrangement of coating direction, such silver nanowires oriented
Reason causes finally obtained silver nanowires transparent conductive film coating direction (Machine Direction, MD are longitudinal)
Electric conductivity ratio is more preferable perpendicular to the electric conductivity of coating direction (Transverse Direction, TD are laterally), i.e., line hinders
ImpedanceTD/ impedanceMDRatio it is relatively high so that silver nanowires transparent conductive film incorgruous line resistance impedance uniformity is poor, thus very
The electric conductivity of silver nanowires transparent conductive film is affected in big degree.Therefore the prior art has much room for improvement.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of silver nanowires film, it is intended to it is thin to solve existing silver nanowires
The technical problem of the incorgruous impedance uniformity difference of film.
For achieving the above object, The technical solution adopted by the invention is as follows:
The present invention provides a kind of preparation method of silver nanowires film, includes the following steps:
Silver nanowires ink is provided；
The silver nanowires ink is coated on substrate surface, then curing process obtains silver nanowires film；
Wherein, the curing process the step of before and/or the step of the curing process in, further include wind processing；
Wind in the wind processing vertically blows to the substrate surface after porous medium layer.
In one embodiment, in the wind processing, tuyere, the wind are provided at the top pre-determined distance of the substrate
The air outlet of mouth is provided with the porous medium layer, and the porous medium layer and the substrate-parallel；
The step of wind is handled includes: that wind is passed through in the tuyere, and painting is vertically blowed to after porous medium layer
There is the substrate surface of the silver nanowires ink.
In one embodiment, the spacing of the porous medium layer and the substrate is 0.1-1.5m.
In one embodiment, in the wind processing, the temperature of wind is 20-150 DEG C；And/or
The wind time is 5s-10min；And/or
Wind speed is 1.8-2.2m/s.
In one embodiment, the aperture of the porous medium layer is 1-10mm；And/or
The material of the porous medium layer is selected from the foam porous material of metallic aluminium, ceramic porous material and the porous material of carbon foams
At least one of material.
In one embodiment, wind gas used in the wind processing contains the hydrogen sulfide of 0.1-5mmol/L.
In one embodiment, carrier gas used in the wind processing is nitrogen or air.
In one embodiment, carrier gas used in wind processing is air, and humidity≤50% of air.
In one embodiment, in the silver nanowires ink, the mass fraction of silver nanowires is 0.01%-0.2%；With/
Or,
The coating method that the silver nanowires ink is coated on substrate surface is coated with selected from slot coated, dimple, is scratched,
Roller coating and any one in rotary coating.
In one embodiment, the substrate be PET (polyethylene terephthalate,
PolyethyleneTerephthalate), TAC (Triafol T, Triacetyl Cellulose), PEN (poly- naphthalene diformazan
Sour glycol ester, Polyethylene Naphthalate), PDMS (dimethyl silicone polymer,
Polydimethylsiloxane), CPI (transparent polyimide, Colorless Polyimide), (cycloolefin is total by COP
Polymers, Cyclo-Olefin polymer) and glass-film in any one.
The preparation method of silver nanowires film provided by the invention after silver nanowires ink is coated in substrate surface, is used
The substrate surface progress wind processing for being coated with the silver nanowires ink is vertically blowed to by the wind of porous medium layer, because this is porous
The wind that dielectric layer comes out is unordered wind, and the orientation of silver nanowires is adjusted or changed by the physics mode of unordered wind, makes silver
The phenomenon that nano wire all directions on substrate are uniformly dispersed, and arrange without the overwhelming majority along coating direction, so not only
So that each position sheet resistance value of silver nanowires film is close, i.e., sheet resistance homogeneity is good, and can make the line of silver nanowires film
The impedance of resistanceTD/ impedanceMDLevel off to 1, i.e., incorgruous impedance uniformity is good, finally improves the electric conductivity of silver nanowires film.
Detailed description of the invention
Fig. 1 is the preparation method flow diagram of silver nanowires film provided in an embodiment of the present invention；
The schematic diagram that Fig. 2 is handled for wind during the preparation method of silver nanowires film provided in an embodiment of the present invention；
Fig. 3 be silver nanowires film provided in an embodiment of the present invention preparation method during wind handle using porous
The micro-structure diagram of dielectric layer；
Fig. 4 is the optical microscope picture of silver nanowires film provided in an embodiment of the present invention；
Fig. 5 is the optical microscope picture for the silver nanowires film that comparative example provides.
Specific embodiment
In order to which technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to explain
The present invention is not intended to limit the present invention.
It is to be appreciated that the orientation of the instructions such as term " length ", " width ", "upper", "lower", "horizontal", "top", "bottom"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
The embodiment of the invention provides a kind of preparation methods of silver nanowires film, as shown in Figure 1, including the following steps:
S01: silver nanowires ink is provided；
S02: the silver nanowires ink is coated on substrate surface, then curing process obtains silver nanowires film；
Wherein, the curing process the step of before and/or the step of the curing process in, further include wind processing；
Wind in the wind processing vertically blows to the substrate surface after porous medium layer.
Silver nanowires ink is coated in substrate surface by the preparation method of silver nanowires film provided in an embodiment of the present invention
Afterwards, it is vertically blowed to the wind by porous medium layer and is coated with the substrate surface of the silver nanowires ink and carries out wind processing, because
The wind that the porous medium layer comes out is unordered wind, and the arrangement side of silver nanowires is adjusted or changed by the physics mode of unordered wind
To, the phenomenon that so that silver nanowires all directions on substrate is uniformly dispersed, arranged without the overwhelming majority along coating direction, this
Sample not only makes each position sheet resistance value of silver nanowires film close, i.e., sheet resistance homogeneity is good, and silver nanowires can be made thin
The impedance of the line resistance of filmTD/ impedanceMDLevel off to 1, i.e., incorgruous impedance uniformity is good, finally improves the conduction of silver nanowires film
Performance.The process safety environmental protection of the preparation method of the silver nanowires film, it is energy saving, waste water and gas is not generated, it is prepared
The saturating film resistive uniformity of silver nanowires is high, can be used for manufacturing capacitive touch screen, can be used for containing the various of silver nanowires
Conductive ink prepares transparent conductive film.
Silver nanowires film made from the embodiment of the present invention is transparent conductive film.The substrate of coating is flexible base board, tool
Body, the substrate is PET (polyethylene terephthalate, Polyethylene Terephthalate), TAC (three vinegar
Acid cellulose, Triacetyl Cellulose), PEN (polyethylene naphthalate, Polyethylene
Naphthalate), PDMS (dimethyl silicone polymer, Polydimethylsiloxane), CPI (transparent polyimide,
Colorless Polyimide), it is any one in COP (cyclic olefine copolymer, Cyclo-Olefin polymer) and glass-film
Kind.
Specifically, after silver nanowires ink being coated in substrate surface, silver nanowires ink layer is formed in substrate surface, it will
The substrate for being coated with silver nanowires ink, which is placed in the device of setting porous medium layer, carries out wind processing, which can be solidification
Device, in this way can the curing process the step of before and/or the step of the curing process in, realize wind processing.Silver nanoparticle
Line ink coating is completed with coating apparatus, after coating, need to carry out curing process, curing apparatus is generally continuous tunnel furnace, tunnel
Furnace can be connected directly with coating apparatus, can be directly entered continuous tunnel furnace after the completion of such silver nanowires ink coating and be carried out at solidification
Reason；Continuous tunnel furnace is generally 2-9 section, and the length of every section is 2-10 meters, installs on the front end of continuous tunnel furnace or first segment baking oven above-mentioned
The tuyere of porous medium layer, in this way can with (mainly leading portion) in front of the step of curing process and/or the step of curing process into
Row wind processing.
Sheet resistance homogeneity refers to sheet resistance (or hindering for face, non-directional) value that each position of conductive film is tested
It is close, it requires to be ± 5% in industry at present；Incorgruous Impedance Uniformity refers to line resistance TD/ line resistance MD i.e. impedanceTD/ impedanceMDValue,
It is the index for characterizing the conductive capability difference of conductive film different directions, if more leveling off to 1 to be better, and be generally at present
1.8~2.2.After the completion of silver nanowires film preparation, downstream needs conductive film to be processed into route, it is desirable that the resistance of every route
Value is the same, so need while meeting face resistance homogeneity and incorgruous impedance uniformity；In the embodiment of the present invention, with process
The wind of porous medium layer vertically blows to the substrate surface progress wind processing for being coated with the silver nanowires ink, because of the porous media
The wind that layer comes out is unordered wind, and the direction that wind is not fixed, what liquid film will not be fixed flows to a direction, not only can protect
Sheet resistance, that is, face resistance homogeneity is demonstrate,proved, meanwhile, silver wire can generate deflection with thin film drainage, so that impedanceTD/ impedanceMDClose to 1 (tool
Body in embodiments of the present invention can be 0.9~1.3), therefore can improve simultaneously silver nanowires film sheet resistance homogeneity and
Incorgruous impedance uniformity finally improves the electric conductivity of silver nanowires film.
The preparation method can make the impedance of silver nanowires filmTD/ impedanceMDRatio reach 0.9~1.3, it is relatively existing
The impedance of the silver nanowires film of technology preparationTD/ impedanceMDRatio significantly reduces.Specifically, as shown in Fig. 2, at the wind
In reason, tuyere is provided at the top pre-determined distance of the substrate, the air outlet of the tuyere is provided with the porous medium layer,
And the porous medium layer and the substrate-parallel；After the silver nanowires ink is coated in substrate surface, in substrate surface
The step of will form silver nanowires ink layer, then carrying out wind processing includes: that wind is passed through in the tuyere, through excessive
The substrate surface for being coated with the silver nanowires ink is vertically blowed to after the dielectric layer of hole.
Wherein, at the top pre-determined distance of the substrate be arranged tuyere it is commercially available in the market, and the tuyere go out
The porous media layer material of air port setting is selected from the foam porous material of metallic aluminium, ceramic porous material and the porous material of carbon foams
At least one of material, microstructure is as shown in Figure 3.In one embodiment, the aperture of the porous medium layer is 1-10mm；In
In the pore diameter range, better unordered wind can produce.
In one embodiment, the spacing of the porous medium layer and the substrate is 0.1-1.5m.The vertical range is
" at pre-determined distance " on substrate is blowed with the porous medium layer being arranged at the vertical distance range, that is, pre-determined distance, is led to
It crosses the physics mode adjustment with wind or changes the orientation of silver nanowires, keep silver nanowires all directions dispersion on substrate equal
It is even, the phenomenon that arrangement without the overwhelming majority along coating direction, finally improve the face resistance homogeneity of silver nanowires film
With incorgruous impedance uniformity, make its electric conductivity more preferably, it can be by the resistance for the silver nanowires film that existing preparation method obtains
It is anti-TD/ impedanceMDRatio further decrease, make impedanceTD/ impedanceMDRatio close to 0.9~1.3.
In one embodiment, the temperature of the wind processing apoplexy is 20-150 DEG C, preferably 40-150 DEG C；；The wind
The time of processing is 5s-10min.Wind can play the role of two, be on the one hand supplement solidification, can shift to an earlier date evaporation section solvent,
It on the other hand is to improve silver nanowires because being orientated problem caused by coating.And the wind processing within the scope of the temperature and time,
The effect of above-mentioned two effect is best.In another embodiment, wind speed is 1.8-2.2m/s, i.e., with the wind of 1.8-2.2m/s
Speed carries out wind processing to the substrate surface for being coated with the silver nanowires ink；Furthermore it is possible to 1.8-2.2m3The air quantity of/s is to painting
There is the substrate surface of the silver nanowires ink to carry out wind processing, i.e., to be coated with the substrate surface of the silver nanowires ink into
The air quantity of row wind processing is 1.8-2.2m3/s.In actual production, wind processing cannot influence the whole uniform of silver nanowires
Property (i.e. will not be excessive because of air quantity or wind speed, cause silver nanowires ink concentration of local), meanwhile, do not influencing silver nanowires
Under the premise of whole uniformity, it is also necessary to improve nano-silver thread orientation problem, and in the range of above-mentioned wind speed and air quantity, Yin Na
Rice noodles all directions orientation uniformity and whole uniformity effects on substrate are best.Therefore, during blowing is handled, wind speed
It is adjusted with air quantity depending on concrete condition, premised on not causing leakage or silver nanowires ink is not caused to be unevenly distributed.
In one embodiment, the wind of wind processing can be filtered pure wind or deionization wind.Further,
It can be the wind containing characteristic property gas.In one embodiment, gas used in wind processing is nitrogen or air,
Nitrogen or air are passed through the air outlet to be provided in the tuyere of the porous medium layer, it is black to the silver nanowires is coated with
The substrate surface of water carries out wind processing；Wherein, air is preferably compressed air.The gas as used in wind processing is sky
Gas, then further humidity≤50% of the air is in a particular embodiment dried air, after making drying process
Air humidity≤50%, then carry out wind processing with the air after dry.The humidity of air in wind treatment process≤
50%, equipment will not be corroded.
In one embodiment, wind gas used in the wind processing contains the hydrogen sulfide of 0.1-5mmol/L.Yin Na
Rice noodles are to exist in a metallic form in itself as conductor, because there is strong surface plasma resonance on the surface of silver nanowires
(Surface Plasmon Resonance, SPR) effect can cause strong scattering when light is irradiated to its surface, make in this way
The mist degree of silver nanowires film is very high.Hydrogen sulfide is the gas with oxidisability, in wind processing, is passed through containing hydrogen sulfide
Gas can carry out oxidation reaction on silver nanowires surface, so that silver nanowires surface be made to be oxidized to form Ag2O or Ag2S, Ag2O
And Ag2S can inhibit the generation of silver nanowires surface plasma resonance, to make the ratio for scattering light reduce, and Ag2O and
Ag2S does not have metallic luster, therefore can be reduced reflection, therefore, the silver nanowires film as made from above-mentioned effect finally
Mist degree significantly reduces.Finally the wind containing hydrogen sulfide handles the wind processing relatively not containing hydrogen sulfide, can be by silver nanowires
The mist reduction degree 0.1%-1.5% of film.
In one embodiment, in the silver nanowires ink, the mass fraction of silver nanowires is 0.01%-0.2%.If
The concentration of nano-silver thread is too high, then needs suitably to increase air quantity and the time of wind, will increase process costs in this way.The silver nanoparticle
Silver nanowires is the synthesis of the methods of common alcohol heating method, hydro-thermal method and polyol reduction method in line ink.By the silver nanoparticle
The coating method that line ink is coated on substrate surface is any one in slot coated, dimple coating, blade coating and roller coating
Kind.
In above-mentioned silver nanowires ink, the diameter of the silver nanowires is 15-95nm, draw ratio 500-2500.It should
There can also be the auxiliary agents such as thickener, Ricinate in silver nanowires ink other than silver nanowires, thickener can be hydroxypropyl
Ylmethyl cellulose, mass fraction 0.01-0.8%.Wetting dispersing agent can be polymer electrolyte hyper-dispersant, be
DISPERBYK-180、DISPERBYK-184、DISPERBYK-190、DISPERBYK-191、DISPERBYK-192、
DISPERBYK-194, DISPERBYK-2010, DISPERBYK-2015 are at least one, mass fraction 0.01-0.8%.Most
Afterwards, surplus is the mixture of water and alcohols solvent in the silver nanowires ink, and alcohol quality/water quality is (0.001-1): 1.Alcohol
Class solvent is ethyl alcohol, isopropanol at least one.
The present invention successively carried out test of many times, and it is further detailed as reference pair invention progress now to lift A partial experiment result
Thin description, is described in detail combined with specific embodiments below.
Embodiment 1
S11: silver nanowires ink is provided；
S12: being coated in substrate (PET film) surface for the silver nanowires ink, by the silver nanowires ink that is coated with
It is sent in continuous tunnel furnace on substrate and (tuyere is installed at the front end 0.1m height of continuous tunnel furnace, the air outlet of tuyere is provided with porous
Dielectric layer, and the porous medium layer and the substrate-parallel)；
S13: nitrogen is passed through in tuyere, wherein the hydrogen sulfide containing 1mmol/L.Wind is vertically blown after porous medium layer
To the substrate surface for being coated with the silver nanowires ink, wind speed 1.8m/s, air quantity 1.8m3/ s, temperature are 130 DEG C, wind
1min, then solidification obtains silver nanowires film.
Embodiment 2
S21: silver nanowires ink is provided；
S22: being coated in substrate (PET film) surface for the silver nanowires ink, by the silver nanowires ink that is coated with
It is sent in continuous tunnel furnace on substrate and (tuyere is installed at the front end 1m height of continuous tunnel furnace, the air outlet of tuyere is provided with porous Jie
Matter layer, and the porous medium layer and the substrate-parallel)；
S23: the air of humidity < 50% is passed through in tuyere, wherein the hydrogen sulfide containing 5mmol/L.Wind passes through porous Jie
The substrate surface for being coated with the silver nanowires ink, wind speed 2.2m/s, air quantity 2.2m are vertically blowed to after matter layer3/ s, temperature
It is 150 DEG C, wind 2min, then solidification obtains silver nanowires film.
Embodiment 3
S31: silver nanowires ink is provided；
S32: being coated in substrate (PET film) surface for the silver nanowires ink, by the silver nanowires ink that is coated with
It is sent in continuous tunnel furnace on substrate and (tuyere is installed at the front end 1.5m height of continuous tunnel furnace, the air outlet of tuyere is provided with porous
Dielectric layer, and the porous medium layer and the substrate-parallel)；
S33: air is passed through in tuyere, wherein the hydrogen sulfide containing 0.1mmol/L.Wind is vertical after porous medium layer
Blow to the substrate surface for being coated with the silver nanowires ink, wind speed 2m/s, air quantity 2m3/ s, temperature are 80 DEG C, wind
5min, then solidification obtains silver nanowires film.
Embodiment 4
S41: silver nanowires ink is provided；
S42: being coated in substrate (PET film) surface for the silver nanowires ink, by the silver nanowires ink that is coated with
It is sent in continuous tunnel furnace on substrate and (tuyere is installed at the front end 1m height of continuous tunnel furnace, the air outlet of tuyere is provided with porous Jie
Matter layer, and the porous medium layer and the substrate-parallel)；
S43: air is passed through in tuyere, wherein the hydrogen sulfide containing 2mmol/L.Wind is vertically blown after porous medium layer
To the substrate surface for being coated with the silver nanowires ink, wind speed 1.8m/s, air quantity 2.2m3/ s, temperature are 30 DEG C, wind
10min, then solidification obtains silver nanowires film.
Embodiment 5
S31: silver nanowires ink is provided；
S32: being coated in substrate (PET film) surface for the silver nanowires ink, by the silver nanowires ink that is coated with
It is sent in continuous tunnel furnace on substrate and (tuyere is installed at the front end 1.5m height of continuous tunnel furnace, the air outlet of tuyere is provided with porous
Dielectric layer, and the porous medium layer and the substrate-parallel)；
S33: air is passed through in tuyere, wherein not containing hydrogen sulfide.Wind is vertically blowed to after porous medium layer and is coated with
The substrate surface of the silver nanowires ink, wind speed 2m/s, air quantity 2m3/ s, temperature is 80 DEG C, wind 5min, then solid
Change obtains silver nanowires film.
Embodiment 6
S41: silver nanowires ink is provided；
S42: being coated in substrate (PET film) surface for the silver nanowires ink, by the silver nanowires ink that is coated with
It is sent in continuous tunnel furnace on substrate and (tuyere is installed at the front end 1m height of continuous tunnel furnace, the air outlet of tuyere is provided with porous Jie
Matter layer, and the porous medium layer and the substrate-parallel)；
S43: air is passed through in tuyere, wherein not containing hydrogen sulfide.Wind is vertically blowed to after porous medium layer and is coated with
The substrate surface of the silver nanowires ink, wind speed 1.8m/s, air quantity 2.2m3/ s, temperature are 30 DEG C, wind 10min, so
Solidification obtains silver nanowires film afterwards.
Comparative example
A kind of preparation method of silver nanowires film, includes the following steps:
E01: silver nanowires ink is provided.
E02: silver nanowires ink is coated in PET film surface, is then uploaded in continuous tunnel furnace (without being provided with porous media
The tuyere of layer) solidification is dried, obtain silver nanowires film.
Performance test
Silver nanowires film made from above-described embodiment and comparative example is carried out line resistance test, sheet resistance test and mist degree to survey
Examination, test method are as follows:
(1) impedanceTD/ impedanceMD: go out the route of 5 closures in each laser-induced thermal etching in the direction TD and MD, having a size of 10cm*
0.5cm.The resistance value of each route, and the impedance for calculating average are tested with multimeterTDAnd impedanceMD, their ratio is exactly
ImpedanceTD/ impedanceMD。
(2) sheet resistance homogeneity: referring to probe (model M3, Suzhou Jingge Electronic Co., Ltd.) test with hand-held four, with
Machine tests 30 points, calculates its relative deviation, takes its maximum value or minimum value.
(3) mist degree: mist degree instrument (model SGM-810, the limited public affairs of instrument electricity object light Shanghai, Shanghai instrument electricity physico-optical instrument
Department) automatic reading, 10 points of random test take its average value.
Data are as shown in table 1 below.
Table 1
In addition, optical microscope inspection is carried out to silver nanowires film prepared by the above embodiment of the present invention 1, as a result as schemed
(observation effect of the optical microscope of embodiment 2-6 is similar to the embodiment 1) shown in 4, to the silver of above-mentioned comparative example preparation
Nano wire film carries out optical microscope inspection, as a result as shown in figure 5, it was found from the comparison of two figure: the silver of comparative example preparation
In nano wire film, silver nanowires is mainly arranged along the coating direction MD, and in the silver nanowires film of preparation of the embodiment of the present invention,
Silver nanowires does not have orientation substantially, i.e., incorgruous dispersion is more evenly.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of preparation method of silver nanowires film, which comprises the steps of:
Silver nanowires ink is provided；
The silver nanowires ink is coated on substrate surface, then curing process obtains silver nanowires film；
Wherein, the curing process the step of before and/or the step of the curing process in, further include wind processing；
Wind in the wind processing vertically blows to the substrate surface after porous medium layer.
2. the preparation method of silver nanowires film as described in claim 1, which is characterized in that described in the wind processing
Tuyere is provided at the top pre-determined distance of substrate, the air outlet of the tuyere is provided with the porous medium layer, and described more
Hole dielectric layer and the substrate-parallel；
The step of wind is handled includes: that wind is passed through in the tuyere, has vertically blowed to painting after porous medium layer
State the substrate surface of silver nanowires ink.
3. the preparation method of silver nanowires film as claimed in claim 2, which is characterized in that the porous medium layer with it is described
The spacing of substrate is 0.1-1.5m.
4. the preparation method of silver nanowires film as described in claim 1, which is characterized in that in the wind processing, wind
Temperature is 20-150 DEG C；And/or
The wind time is 5s-10min；And/or
Wind speed is 1.8-2.2m/s.
5. the preparation method of silver nanowires film as described in claim 1, which is characterized in that the aperture of the porous medium layer
For 1-10mm；And/or
The material of the porous medium layer is in the foam porous material of metallic aluminium, ceramic porous material and carbon foams porous material
At least one.
6. the preparation method of silver nanowires film as described in claim 1, which is characterized in that used in the wind processing
Wind gas contains the hydrogen sulfide of 0.1-5mmol/L.
7. the preparation method of silver nanowires film as described in claim 1, which is characterized in that used in the wind processing
Carrier gas is nitrogen or air.
8. the preparation method of silver nanowires film as claimed in claim 7, which is characterized in that used in the wind processing
Carrier gas is air, and humidity≤50% of air.
9. such as the preparation method of the described in any item silver nanowires films of claim 1-8, which is characterized in that the silver nanowires
In ink, the mass fraction of silver nanowires is 0.01%-0.2%；And/or
The coating method that the silver nanowires ink is coated on substrate surface is selected from slot coated, dimple coating, blade coating and rolling
Cylinder coating in any one.
10. such as the preparation method of the described in any item silver nanowires films of claim 1-7, which is characterized in that the substrate choosing
From any one in PET film, TAC film, PEN film, CPI film, COP film, PDMS film and glass-film.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53116487A (en) * | 1977-03-23 | 1978-10-11 | Hitachi Cable Ltd | Connecting laminated tape for laminated sheath type cable |
| CN203409162U (en) * | 2013-07-12 | 2014-01-29 | 浙江乍浦实业股份有限公司 | Titanium alloy stick cold heading forming lubricating agent coating device |
| CN203888392U (en) * | 2014-06-19 | 2014-10-22 | 范成超 | Dryer of inkjet plotter |
| CN105632652A (en) * | 2016-02-05 | 2016-06-01 | 华中科技大学 | Preparation method of high-performance refined transparent conductive electrode |
| CN106110897A (en) * | 2016-06-30 | 2016-11-16 | 深圳市浩能科技有限公司 | Bellows and reverse osmosis membrane production equipment |
| CN106334659A (en) * | 2015-07-09 | 2017-01-18 | 凌北卿 | method and device for distributing powder |
| CN205957674U (en) * | 2016-06-30 | 2017-02-15 | 深圳市浩能科技有限公司 | Drying device and reverse osmosis membrane production facility |
| CN108128005A (en) * | 2018-01-26 | 2018-06-08 | 镇江美达塑胶有限公司 | A kind of two-sided complex sound insulation felts of PVC and preparation method thereof |
| CN108962434A (en) * | 2018-06-15 | 2018-12-07 | 张家港康得新光电材料有限公司 | A kind of nano-silver thread conductive film and preparation method thereof |
-
2019
- 2019-08-13 CN CN201910744920.7A patent/CN110517829B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53116487A (en) * | 1977-03-23 | 1978-10-11 | Hitachi Cable Ltd | Connecting laminated tape for laminated sheath type cable |
| CN203409162U (en) * | 2013-07-12 | 2014-01-29 | 浙江乍浦实业股份有限公司 | Titanium alloy stick cold heading forming lubricating agent coating device |
| CN203888392U (en) * | 2014-06-19 | 2014-10-22 | 范成超 | Dryer of inkjet plotter |
| CN106334659A (en) * | 2015-07-09 | 2017-01-18 | 凌北卿 | method and device for distributing powder |
| CN105632652A (en) * | 2016-02-05 | 2016-06-01 | 华中科技大学 | Preparation method of high-performance refined transparent conductive electrode |
| CN106110897A (en) * | 2016-06-30 | 2016-11-16 | 深圳市浩能科技有限公司 | Bellows and reverse osmosis membrane production equipment |
| CN205957674U (en) * | 2016-06-30 | 2017-02-15 | 深圳市浩能科技有限公司 | Drying device and reverse osmosis membrane production facility |
| CN108128005A (en) * | 2018-01-26 | 2018-06-08 | 镇江美达塑胶有限公司 | A kind of two-sided complex sound insulation felts of PVC and preparation method thereof |
| CN108962434A (en) * | 2018-06-15 | 2018-12-07 | 张家港康得新光电材料有限公司 | A kind of nano-silver thread conductive film and preparation method thereof |
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