CN106531348A - Nano silver paste preparation method - Google Patents
Nano silver paste preparation method Download PDFInfo
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- CN106531348A CN106531348A CN201610877125.1A CN201610877125A CN106531348A CN 106531348 A CN106531348 A CN 106531348A CN 201610877125 A CN201610877125 A CN 201610877125A CN 106531348 A CN106531348 A CN 106531348A
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- silver
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- silver paste
- glass powder
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- Manufacturing & Machinery (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a nano silver paste preparation method. The method comprises the following steps: 0.15 g of silver nanowires and 50 g of boron aluminum titanium silicate glass powder are mixed in 3 to 1000, and a ball mill is used for mixing; the silver nanowires and the boron aluminum titanium silicate glass powder which are well mixed are put in a drying box for drying and set aside for use; 1 g of polyvinylpyrrolidone is completely dissolved in 80g of tributyl citrate, 4g of a leveling agent and 3 g of a defoamer are added for uniform dispersion, and a mixture is obtained; the silver nanowires and the boron aluminum titanium silicate glass powder which are dried are added to the mixture, and after complete stirring, a nano silver paste is obtained. According to the nano silver paste preparation method provided by the invention, through adopting the silver nanowires, the electrical conductivity and the thermal conductivity can be effectively improved, the curing temperature is reduced, the silver dosage is reduced, and the production cost is greatly reduced.
Description
Technical field
A kind of a kind of the present invention relates to electric slurry production technical field, more particularly to preparation method of nanometer silver paste.
Background technology
Silver conductive paste is widely used in conductor paste, silver powder as the solid shape of its particle of conductor paste, size,
The factors such as size distribution directly affect conduction, thermal conductivity, and current silver conductive paste mainly adopts micron or submicron silver powder, this
The conduction of a little slurries, poor thermal conductivity, solidification temperature are high, and silver-colored consumption is big, can not meet the requirement of new technology.
The content of the invention
Present invention seek to address that the deficiencies in the prior art, and a kind of preparation method of nanometer silver paste is provided.
The present invention for achieving the above object, is employed the following technical solutions：A kind of preparation method of nanometer silver paste, its feature exist
In comprising the following steps：
(1) nano-silver thread of 0.15g and 50g boron manosil AS titanium glass powder are pressed into 3:1000 mixing, and it is mixed with ball mill
10-12h is closed, drum's speed of rotation is set to 28-36r/min；
(2) nano-silver thread and boron manosil AS titanium glass powder that mix in step (1) are put in drying box and are done
Dry, baking temperature is 35-90 DEG C, and drying time is 3-4h, stand-by；
(3) 1g polyvinylpyrrolidones are substantially dissolved in 80g ATBCs, and add 4g levelling agents, 3g to disappear
Infusion, and the sonic oscillation dispersion 15min in ultrasonic washing instrument so as to be uniformly dispersed, obtain mixture；
(4) dried nano-silver thread in step (2) and boron manosil AS titanium glass powder is added and mix obtained by step (4)
In thing, it is sufficiently stirred for obtaining nanometer silver paste.
Particularly, the nano-silver thread in step (1) is obtained as follows：2g silver nitrate powders are weighed, in ultrasound
It is dissolved in the ethylene glycol of 50mL under ripple auxiliary, obtains silver nitrate solution, places standby, then weigh 0.5g polyvinylpyrrolidines
Ketone, is uniformly mixed in being slowly dissolved in the ethylene glycol of 50mL, places standby, by the silver nitrate solution for preparing in magnetic agitation
Under be added drop-wise to gained mixed liquor in, control constant agitation speed and reaction temperature until reaction terminate, obtain nano silver colloidal sol, most
Afterwards obtained nano silver colloidal sol is centrifuged, rotating speed is 9000r/min, after resulting precipitation is washed with ethanol,
It is put into 40 DEG C of vacuum drying chambers and is dried 40min, obtains nano-silver thread.
Particularly, the levelling agent in step (3) refers to organic silicone oil.
Particularly, the defoamer in step (3) refers to the one kind or several in polysiloxanes, calcium carbonate or tricalcium phosphate
Kind.
The invention has the beneficial effects as follows：The present invention provides a kind of preparation method of nanometer silver paste, by adopting nano-silver thread,
Conduction and thermal conductivity is not only effectively increased, while reducing solidification temperature, and silver-colored consumption is reduced, is greatly reduced production
Cost.
Specific embodiment
With reference to embodiment, the invention will be further described：
Embodiment 1
A kind of preparation method of nanometer silver paste, comprises the following steps：
(1) nano-silver thread of 0.15g and 50g boron manosil AS titanium glass powder are pressed into 3:1000 mixing, and it is mixed with ball mill
10h is closed, drum's speed of rotation is set to 28r/min；
(2) nano-silver thread and boron manosil AS titanium glass powder that mix in step (1) are put in drying box and are done
Dry, baking temperature is 35 DEG C, and drying time is 4h, stand-by；
(3) 1g polyvinylpyrrolidones are substantially dissolved in 80g ATBCs, and add 4g organic silicone oils, 3g
Polysiloxanes, and the sonic oscillation dispersion 15min in ultrasonic washing instrument so as to be uniformly dispersed, obtain mixture；
(4) dried nano-silver thread in step (2) and boron manosil AS titanium glass powder is added and mix obtained by step (4)
In thing, it is sufficiently stirred for obtaining nanometer silver paste.
Nano-silver thread in step (1) is obtained as follows：2g silver nitrate powders are weighed, under ultrasonic assistant
It is dissolved in the ethylene glycol of 50mL, obtains silver nitrate solution, places standby, then weigh 0.5g polyvinylpyrrolidones, it is slowly molten
Solution is uniformly mixed in the ethylene glycol of 50mL, places standby, the silver nitrate solution of preparation is added drop-wise under magnetic stirring
In gained mixed liquor, constant agitation speed and reaction temperature is controlled until reaction terminates, obtain nano silver colloidal sol, will be finally obtained
Nano silver colloidal sol be centrifuged, rotating speed is 9000r/min, after resulting precipitation is washed with ethanol, is put into 40 DEG C
Vacuum drying chamber is dried 40min, obtains nano-silver thread.
Embodiment 2
A kind of preparation method of nanometer silver paste, comprises the following steps：
(1) nano-silver thread of 0.15g and 50g boron manosil AS titanium glass powder are pressed into 3:1000 mixing, and it is mixed with ball mill
12h is closed, drum's speed of rotation is set to 36r/min；
(2) nano-silver thread and boron manosil AS titanium glass powder that mix in step (1) are put in drying box and are done
Dry, baking temperature is 90 DEG C, and drying time is 3h, stand-by；
(3) 1g polyvinylpyrrolidones are substantially dissolved in 80g ATBCs, and add 4g organic silicone oils, 3g
Calcium carbonate, and the sonic oscillation dispersion 15min in ultrasonic washing instrument so as to be uniformly dispersed, obtain mixture；
(4) dried nano-silver thread in step (2) and boron manosil AS titanium glass powder is added and mix obtained by step (4)
In thing, it is sufficiently stirred for obtaining nanometer silver paste.
Nano-silver thread in step (1) is obtained as follows：2g silver nitrate powders are weighed, under ultrasonic assistant
It is dissolved in the ethylene glycol of 50mL, obtains silver nitrate solution, places standby, then weigh 0.5g polyvinylpyrrolidones, it is slowly molten
Solution is uniformly mixed in the ethylene glycol of 50mL, places standby, the silver nitrate solution of preparation is added drop-wise under magnetic stirring
In gained mixed liquor, constant agitation speed and reaction temperature is controlled until reaction terminates, obtain nano silver colloidal sol, will be finally obtained
Nano silver colloidal sol be centrifuged, rotating speed is 9000r/min, after resulting precipitation is washed with ethanol, is put into 40 DEG C
Vacuum drying chamber is dried 40min, obtains nano-silver thread.
Above the present invention is exemplarily described, it is clear that the present invention is implemented and is not subject to the restrictions described above,
As long as employing method of the present invention design and the various improvement that carry out of technical scheme, or not improved directly apply to other fields
Close, within protection scope of the present invention.
Claims (4)
1. a kind of preparation method of nanometer silver paste, it is characterised in that comprise the following steps：
(1) nano-silver thread of 0.15g and 50g boron manosil AS titanium glass powder are pressed into 3:1000 mixing, and with ball mill mixing 10-
12h, drum's speed of rotation are set to 28-36r/min；
(2) nano-silver thread and boron manosil AS titanium glass powder that mix in step (1) are put in drying box and are dried, done
Dry temperature is 35-90 DEG C, and drying time is 3-4h, stand-by；
(3) 1g polyvinylpyrrolidones are substantially dissolved in 80g ATBCs, and add 4g levelling agents, 3g defoamers,
And sonic oscillation disperses 15min in ultrasonic washing instrument so as to be uniformly dispersed, obtain mixture；
(4) dried nano-silver thread in step (2) and boron manosil AS titanium glass powder are added into mixture obtained by step (4)
In, it is sufficiently stirred for obtaining nanometer silver paste.
2. a kind of preparation method of nanometer silver paste according to claim 1, it is characterised in that receiving in step (1)
Rice silver wire is obtained as follows：2g silver nitrate powders are weighed, is dissolved under ultrasonic assistant in the ethylene glycol of 50mL, is obtained
Silver nitrate solution, places standby, then weighs 0.5g polyvinylpyrrolidones, is slowly dissolved in stirring mixing in the ethylene glycol of 50mL
Uniformly, place standby, the silver nitrate solution of preparation is added drop-wise in gained mixed liquor under magnetic stirring, control constant agitation speed
Degree and reaction temperature terminate until reaction, obtain nano silver colloidal sol, are finally centrifuged obtained nano silver colloidal sol, turn
Speed is 9000r/min, after resulting precipitation is washed with ethanol, is put into 40 DEG C of vacuum drying chambers and is dried 40min, obtain
Nano-silver thread.
3. a kind of preparation method of nanometer silver paste according to claim 1, it is characterised in that the stream in step (3)
Flat agent refers to organic silicone oil.
4. a kind of preparation method of nanometer silver paste according to claim 1, it is characterised in that disappearing in step (3)
Infusion refers to one or more in polysiloxanes, calcium carbonate or tricalcium phosphate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877125.1A CN106531348A (en) | 2016-09-30 | 2016-09-30 | Nano silver paste preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610877125.1A CN106531348A (en) | 2016-09-30 | 2016-09-30 | Nano silver paste preparation method |
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| Publication Number | Publication Date |
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| CN106531348A true CN106531348A (en) | 2017-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610877125.1A Pending CN106531348A (en) | 2016-09-30 | 2016-09-30 | Nano silver paste preparation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719284A (en) * | 2020-12-18 | 2021-04-30 | 天津宝兴威科技股份有限公司 | Preparation method of nano silver wire for flexible touch material |
| CN114049981A (en) * | 2021-11-30 | 2022-02-15 | 重庆英诺维节能环保科技有限公司 | Silver-tin nano material conductive silver paste and application thereof to vacuum glass |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740405A (en) * | 2005-09-23 | 2006-03-01 | 浙江大学 | Silver nanometer wire synthesizing process |
| CN101310899A (en) * | 2008-03-18 | 2008-11-26 | 江苏工业学院 | Method for preparing silver nano-wire in large batch |
| CN101582328A (en) * | 2009-06-26 | 2009-11-18 | 彩虹集团公司 | Nanometer silver paste for terminal electrode of multi-layer ceramic capacitor and method for preparing same |
| CN103170645A (en) * | 2013-03-27 | 2013-06-26 | 中国科学院深圳先进技术研究院 | Preparation method of silver nanowires |
| CN104464887A (en) * | 2014-11-17 | 2015-03-25 | 苏州斯迪克新材料科技股份有限公司 | Nanometer silver wire conductive silver paste and preparing method thereof |
-
2016
- 2016-09-30 CN CN201610877125.1A patent/CN106531348A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740405A (en) * | 2005-09-23 | 2006-03-01 | 浙江大学 | Silver nanometer wire synthesizing process |
| CN101310899A (en) * | 2008-03-18 | 2008-11-26 | 江苏工业学院 | Method for preparing silver nano-wire in large batch |
| CN101582328A (en) * | 2009-06-26 | 2009-11-18 | 彩虹集团公司 | Nanometer silver paste for terminal electrode of multi-layer ceramic capacitor and method for preparing same |
| CN103170645A (en) * | 2013-03-27 | 2013-06-26 | 中国科学院深圳先进技术研究院 | Preparation method of silver nanowires |
| CN104464887A (en) * | 2014-11-17 | 2015-03-25 | 苏州斯迪克新材料科技股份有限公司 | Nanometer silver wire conductive silver paste and preparing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112719284A (en) * | 2020-12-18 | 2021-04-30 | 天津宝兴威科技股份有限公司 | Preparation method of nano silver wire for flexible touch material |
| CN114049981A (en) * | 2021-11-30 | 2022-02-15 | 重庆英诺维节能环保科技有限公司 | Silver-tin nano material conductive silver paste and application thereof to vacuum glass |
| CN114049981B (en) * | 2021-11-30 | 2024-03-15 | 四川英诺维新材料科技有限公司 | Silver tin nano material conductive silver paste and application thereof to vacuum glass |
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Application publication date: 20170322 |