CN105936769A - Graphene modified nano-silver aqueous conductive ink and preparation method thereof - Google Patents
Graphene modified nano-silver aqueous conductive ink and preparation method thereof Download PDFInfo
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- CN105936769A CN105936769A CN201610352760.8A CN201610352760A CN105936769A CN 105936769 A CN105936769 A CN 105936769A CN 201610352760 A CN201610352760 A CN 201610352760A CN 105936769 A CN105936769 A CN 105936769A
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- graphene
- nanometer silver
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- conducting ink
- soluble conducting
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/52—Electrically conductive inks
Abstract
The invention relates to the field of printing, and especially relates to a graphene modified nano-silver aqueous conductive ink and a preparation method thereof. The graphene modified nano-silver aqueous conductive ink comprises nano-silver, a graphene modifying assistant, nitrocellulose, cetyl trimethyl ammonium chloride, organically modified polydimethylsiloxane, a dispersant, a wetting agent and an organic solvent. The graphene modified nano-silver aqueous conductive ink prepared through using the preparation method has the advantages of good conductive line light transmittance, good surface hardness and good chemical solvent resistance, and can be applied to the fields of display panels, LED display, film solar batteries and electromagnetic shielding.
Description
The present invention relates to print field, the nanometer silver aqueous particularly relating to a kind of Graphene modified is led
Electricity ink and preparation method thereof.
Background technology
Electrically conductive ink, is dispersed in link stuff makes with conductive material (gold, silver, copper and carbon)
Paste-like ink, be commonly called as paste ink.It is characterized in having to a certain degree conduction property, can make
It is used for printing conductiving point or conducting wire.The printing process of electrically conductive ink is very wide, such as screen printing
Brush, letterpress, flexographic printing, intaglio printing and offset printing etc..Specifically can be according to film
Thick requirement selects different printing processes.Electrically conductive ink divides from kind mainly has gold system to lead
Electricity ink, silver system electrically conductive ink, copper system electrically conductive ink and the big class of carbon series conductive ink four.Wherein
Silver system electrically conductive ink conductive effect is preferable, and printing quality is high, thus is widely applied, but
It is owing to argent is expensive and cause silver system electrically conductive ink relative price higher.
At present, in order to obtain preferable conductive effect, in conventional nano silver electrically conductive ink, silver consolidates
Content is higher at 50-80%, thus cost is higher.And Graphene is one well conducts electricity material
Material and price are relatively cheap relative to for silver, thus add a certain amount of graphite in electrically conductive ink
Alkene replaces argentum powder to do conductive filler, not only can ensure that the satisfactory electrical conductivity of ink but also can reduce silver
Powder consumes, and reduces cost.
At present, the visible area of touch screen generally uses the ITO conducting wire etched, and existing
Conductive silver paste be substantially opaque silver gray or canescence, argentum powder be micron particles or
Flap-type, in this oleaginous system silver slurry, the content of argent is 40-75%, and noble silver consumption is relatively
Many, cost height, argentum powder content accounts for the transparent silk screen printing conduction slurry oil mesh of total ink less than 5%
Before also do not have.
Summary of the invention
The present invention is directed in prior art silver system electrically conductive ink that silver content is higher causes cost the highest,
The problems such as existing conductive paste transparency is low, it is provided that the nanometer silver water that a kind of novel Graphene is modified
Property electrically conductive ink and preparation method thereof.In order to achieve the above object, the technical scheme is that
The nanometer silver water-soluble conducting ink that a kind of Graphene is modified, includes following according to weight fraction
Material:
Described nanometer silver be in nanometer silver rod, nano-silver thread, nano silver slice, nanometer ping-pong ball extremely
Few one.
As preferably, described Graphene modified additive composition includes Graphene and nano assistant.
As preferably, described nano assistant be titania nanoparticles, aluminum oxide nanoparticle,
At least one in Zinc oxide nanoparticle or ferric oxide nanometer particle.
As preferably, described dispersant is polycarboxylate sodium, polyacrylic acid potassium salt, polyacrylic acid
At least one in sodium salt.
As preferably, described wetting agent be fatty acid ester sulfate, alkylphenol polyoxyethylene,
At least one in polyoxyethylene modifier.
As preferably, described organic solvent is methanol, ethanol, isopropanol, propylene glycol, acetic acid
At least one in ethyl ester, Ethyl formate, butanone and Ketohexamethylene.
The preparation method of the nanometer silver water-soluble conducting ink that above-mentioned a kind of Graphene is modified, including with
Lower step:
(1) by Graphene modified additive, nitrocellulose, hexadecyltrimethylammonium chloride,
Organically-modified polydimethylsiloxane, dispersant, wetting agent add mix homogeneously in dispersion machine,
Obtain mixture a,
(2) nanometer silver is ground in three-roller, then mix with organic solvent, mixed
Thing b,
(3) by mixture b addition mixture a mixes 1.5-2h at 90-95 DEG C, obtain
The nanometer silver water-soluble conducting ink finished product that Graphene is modified.
Compared with prior art, advantages of the present invention and good effect are, utilize system of the present invention
The modified nanometer silver water-soluble conducting ink of standby Graphene have good conducting wire light transmission,
The performances such as case hardness and chemically-resistant solvent.Utilize Graphene modified Nano silver prepared by the present invention
Water-soluble conducting ink can be applicable to display pannel, LED shows, thin-film solar cells and electricity
The fields such as magnetic shield.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, knot below
The present invention will be further described to close specific embodiment.It should be noted that in the feelings do not conflicted
Under condition, the feature in embodiments herein and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but
It is that the present invention can be different from other modes described here with employing and implement, therefore, this
Invention is not limited to the restriction of the specific embodiment of description described below.
Embodiment 1, the present embodiment provides the nanometer silver water-soluble conducting ink that a kind of Graphene is modified
And preparation method thereof.By 0.5KG nitrocellulose, 1KG hexadecyltrimethylammonium chloride,
The organically-modified polydimethylsiloxane of 0.5KG, 0.5KG polycarboxylate sodium, 0.5KG fatty acid
Ester sulfate, Graphene and titania nanoparticles 0.5KG, stir in dispersion machine.
It is added in nanometer silver rod 0.5KG ground in three-roller and the mixed solution of ethanol 70KG.
At 95 DEG C, constant temperature 1.5h, obtain nanometer silver water-soluble conducting ink.
By above-mentioned prepared nanometer silver water-soluble conducting ink with PET film as substrate, use
The half tone of 200 mesh, carries out silk screen printing, then dry solidification under conditions of temperature is 135 DEG C
25 minutes, finally give the composite conducting ink film of the solidification that thickness is 13 μm.
Detecting above-mentioned solidified oil ink film, its sheet resistance is 102.4m Ω；Use China
Pencil, carries out hardness test to it, and hardness is 3H.After above-mentioned solidified oil ink film doubling, adopt
Applying pressure, back and forth doubling 10 times with 2kg counterweight, recording sheet resistance is 251.3m Ω.
Embodiment 2, the present embodiment provides the nanometer silver water-soluble conducting ink that a kind of Graphene is modified
And preparation method thereof.By 0.2KG nitrocellulose, 2KG hexadecyltrimethylammonium chloride,
The organically-modified polydimethylsiloxane of 0.3KG, 0.5KG polycarboxylate sodium, 0.5KG fatty acid
Ester sulfate, Graphene and titania nanoparticles 0.5KG, stir in dispersion machine.
It is added in nanometer silver rod 0.5KG ground in three-roller and the mixed solution of ethanol 80KG.
At 90 DEG C, constant temperature 1.5h, obtain nanometer silver water-soluble conducting ink.
By above-mentioned prepared nanometer silver water-soluble conducting ink with PET film as substrate, use 20
Purpose half tone, carries out silk screen printing, then dry solidification 25 points under conditions of temperature is 135 DEG C
Clock, finally gives the composite conducting ink film of the solidification that thickness is 13 μm.
Detecting above-mentioned solidified oil ink film, its sheet resistance is 102.4m Ω；Use China
Pencil, carries out hardness test to it, and hardness is 3H.After above-mentioned solidified oil ink film doubling, adopt
Applying pressure, back and forth doubling 10 times with 2kg counterweight, recording sheet resistance is 242.1m Ω.
Embodiment 3, the present embodiment provides the nanometer silver water-soluble conducting ink that a kind of Graphene is modified
And preparation method thereof.By 0.5KG nitrocellulose, 3KG hexadecyltrimethylammonium chloride,
The organically-modified polydimethylsiloxane of 0.5KG, 0.5KG polycarboxylate sodium, 0.5KG fatty acid
Ester sulfate, Graphene and titania nanoparticles 1KG, stir in dispersion machine.
It is added in nanometer silver rod 1KG ground in three-roller and the mixed solution of ethanol 80KG.?
At 95 DEG C, constant temperature 2h, obtain nanometer silver water-soluble conducting ink.
By above-mentioned prepared nanometer silver water-soluble conducting ink with PET film as substrate, use
The half tone of 200 mesh, carries out silk screen printing, then dry solidification under conditions of temperature is 135 DEG C
25 minutes, finally give the composite conducting ink film of the solidification that thickness is 13 μm.
Detecting above-mentioned solidified oil ink film, its sheet resistance is 102.4m Ω；Use China
Pencil, carries out hardness test to it, and hardness is 3H.After above-mentioned solidified oil ink film doubling, adopt
Applying pressure, back and forth doubling 10 times with 2kg counterweight, recording sheet resistance is 254.9m Ω.
Embodiment 4, the present embodiment provides the nanometer silver water-soluble conducting ink that a kind of Graphene is modified
And preparation method thereof.By 0.5KG nitrocellulose, 3KG hexadecyltrimethylammonium chloride,
The organically-modified polydimethylsiloxane of 0.5KG, 0.5KG polycarboxylate sodium, 0.5KG fatty acid
Ester sulfate, Graphene and titania nanoparticles 1KG, stir in dispersion machine.
It is added in nanometer silver rod 1.5KG ground in three-roller and the mixed solution of ethanol 90KG.
At 95 DEG C, constant temperature 2h, obtain nanometer silver water-soluble conducting ink.
By above-mentioned prepared nanometer silver water-soluble conducting ink with PET film as substrate, use
The half tone of 200 mesh, carries out silk screen printing, then dry solidification under conditions of temperature is 135 DEG C
25 minutes, finally give the composite conducting ink film of the solidification that thickness is 13 μm.
Detecting above-mentioned solidified oil ink film, its sheet resistance is 102.4m Ω；Use China
Pencil, carries out hardness test to it, and hardness is 3H.After above-mentioned solidified oil ink film doubling, adopt
Applying pressure, back and forth doubling 10 times with 2kg counterweight, recording sheet resistance is 248.3m Ω.
The above is only the preferred embodiment of the present invention, it is noted that lead for this technology
For the those of ordinary skill in territory, on the premise of without departing from the technology of the present invention principle, it is also possible to
Making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
The above, be only presently preferred embodiments of the present invention, is not that the present invention is made it
The restriction of its form, any those skilled in the art are possibly also with the technology of the disclosure above
Content is changed or is modified as the Equivalent embodiments of equivalent variations is applied to other field, but
Every without departing from technical solution of the present invention content, implement above according to the technical spirit of the present invention
Any simple modification, equivalent variations and the remodeling that example is made, still falls within technical solution of the present invention
Protection domain.
Claims (7)
1. the nanometer silver water-soluble conducting ink that a Graphene is modified, it is characterised in that include according to weight fraction
Following material:
Described nanometer silver is at least one in nanometer silver rod, nano-silver thread, nano silver slice, nanometer ping-pong ball.
The nanometer silver water-soluble conducting ink that a kind of Graphene the most according to claim 1 is modified, its feature exists
In, described Graphene modified additive composition includes Graphene and nano assistant.
The nanometer silver water-soluble conducting ink that a kind of Graphene the most according to claim 2 is modified, its feature exists
In, described nano assistant is titania nanoparticles, aluminum oxide nanoparticle, zinc-oxide nano
At least one in grain or ferric oxide nanometer particle.
The nanometer silver water-soluble conducting ink that a kind of Graphene the most according to claim 1 is modified, its feature exists
In, described dispersant is at least in polycarboxylate sodium, polyacrylic acid potassium salt, polyacrylic acid sodium salt
Kind.
The nanometer silver water-soluble conducting ink that a kind of Graphene the most according to claim 1 is modified, its feature exists
In, described wetting agent is fatty acid ester sulfate, alkylphenol polyoxyethylene, polyoxyethylene modifier
In at least one.
The nanometer silver water-soluble conducting ink that a kind of Graphene the most according to claim 1 is modified, its feature exists
In, described organic solvent be methanol, ethanol, isopropanol, propylene glycol, ethyl acetate, Ethyl formate,
At least one in butanone and Ketohexamethylene.
7. according to the nanometer silver water-soluble conducting ink of a kind of Graphene modification described in claim 1-6 any one
Preparation method, it is characterised in that comprise the following steps:
(1) by Graphene modified additive, nitrocellulose, hexadecyltrimethylammonium chloride, organically-modified poly-two
Methylsiloxane, dispersant, wetting agent add mix homogeneously in dispersion machine, obtain mixture a,
(2) nanometer silver is ground in three-roller, then mixes with organic solvent, obtain mixture b,
(3) mixture b addition mixture a will mix 1.5-2h at 90-95 DEG C, obtain Graphene modification
Nanometer silver water-soluble conducting ink finished product.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566309A (en) * | 2016-10-31 | 2017-04-19 | 湖北大学 | Nanometer silver powder magnetic water-based ink and preparation method thereof |
| CN106752385A (en) * | 2017-01-11 | 2017-05-31 | 青岛瑞利特新材料科技有限公司 | A kind of Graphene modified water-soluble electrically conductive ink and preparation method thereof |
| CN106800833A (en) * | 2017-01-11 | 2017-06-06 | 青岛瑞利特新材料科技有限公司 | Modified copper system electrically conductive ink of a kind of Graphene and preparation method thereof |
| CN106816202A (en) * | 2017-02-15 | 2017-06-09 | 山东圣泉新材料股份有限公司 | A kind of Graphene denatured conductive silver paste and preparation method thereof |
| CN106883682A (en) * | 2017-03-17 | 2017-06-23 | 青岛瑞利特新材料科技有限公司 | A kind of Graphene modified water-soluble electrically conductive ink |
| CN107057467A (en) * | 2017-04-14 | 2017-08-18 | 青岛瑞利特新材料科技有限公司 | A kind of graphene quick-drying electrically conductive ink |
| CN107057468A (en) * | 2017-04-14 | 2017-08-18 | 青岛瑞利特新材料科技有限公司 | A kind of graphene modified Nano metallic conductive inks |
| WO2018176915A1 (en) * | 2017-03-28 | 2018-10-04 | Boe Technology Group Co., Ltd. | Conductive ink, display substrate and fabrication method thereof, and display apparatus |
| CN108753043A (en) * | 2018-04-12 | 2018-11-06 | 重庆市中光电显示技术有限公司 | Electrically conductive ink and its preparation method and application for flexible touch screen conducting wire |
| CN110894381A (en) * | 2019-12-19 | 2020-03-20 | 河北工业大学 | Preparation method of nano-silver ink |
| CN111655775A (en) * | 2017-12-01 | 2020-09-11 | 加利福尼亚大学董事会 | Method for preparing graphene-based conductive adhesive and application thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566309A (en) * | 2016-10-31 | 2017-04-19 | 湖北大学 | Nanometer silver powder magnetic water-based ink and preparation method thereof |
| CN106752385A (en) * | 2017-01-11 | 2017-05-31 | 青岛瑞利特新材料科技有限公司 | A kind of Graphene modified water-soluble electrically conductive ink and preparation method thereof |
| CN106800833A (en) * | 2017-01-11 | 2017-06-06 | 青岛瑞利特新材料科技有限公司 | Modified copper system electrically conductive ink of a kind of Graphene and preparation method thereof |
| CN106816202B (en) * | 2017-02-15 | 2018-12-04 | 山东圣泉新材料股份有限公司 | A kind of graphene denatured conductive silver paste and preparation method thereof |
| CN106816202A (en) * | 2017-02-15 | 2017-06-09 | 山东圣泉新材料股份有限公司 | A kind of Graphene denatured conductive silver paste and preparation method thereof |
| CN106883682A (en) * | 2017-03-17 | 2017-06-23 | 青岛瑞利特新材料科技有限公司 | A kind of Graphene modified water-soluble electrically conductive ink |
| WO2018176915A1 (en) * | 2017-03-28 | 2018-10-04 | Boe Technology Group Co., Ltd. | Conductive ink, display substrate and fabrication method thereof, and display apparatus |
| US10442945B2 (en) | 2017-03-28 | 2019-10-15 | Boe Technology Group Co., Ltd. | Conductive ink, display substrate and fabrication method thereof, and display apparatus |
| EP3598872A4 (en) * | 2017-03-28 | 2021-04-07 | BOE Technology Group Co., Ltd. | Conductive ink, display substrate and fabrication method thereof, and display apparatus |
| CN107057467A (en) * | 2017-04-14 | 2017-08-18 | 青岛瑞利特新材料科技有限公司 | A kind of graphene quick-drying electrically conductive ink |
| CN107057468A (en) * | 2017-04-14 | 2017-08-18 | 青岛瑞利特新材料科技有限公司 | A kind of graphene modified Nano metallic conductive inks |
| CN111655775A (en) * | 2017-12-01 | 2020-09-11 | 加利福尼亚大学董事会 | Method for preparing graphene-based conductive adhesive and application thereof |
| CN108753043A (en) * | 2018-04-12 | 2018-11-06 | 重庆市中光电显示技术有限公司 | Electrically conductive ink and its preparation method and application for flexible touch screen conducting wire |
| CN110894381A (en) * | 2019-12-19 | 2020-03-20 | 河北工业大学 | Preparation method of nano-silver ink |
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