CN106710716B - A kind of preparation method of nanoelectronic slurry - Google Patents
A kind of preparation method of nanoelectronic slurry Download PDFInfo
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- CN106710716B CN106710716B CN201611174795.3A CN201611174795A CN106710716B CN 106710716 B CN106710716 B CN 106710716B CN 201611174795 A CN201611174795 A CN 201611174795A CN 106710716 B CN106710716 B CN 106710716B
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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Abstract
The invention discloses a kind of preparation methods of nanoelectronic slurry comprising: 1, low viscosity organic phase preparation step: it is stirred the 10 ~ 60% of auxiliary agent, solvent and metering resin；2, nano-powder dispersion steps: will metering nano-powder with low viscosity is organic is added to size barrel, ultrasonic wave added stirring is with obtained nano dispersion fluid；3, slurry tune glues filtration step: 40 ~ 90% resins of residue being added into nano dispersion fluid, is stirred at low speed with dispersion machine to resin and is completely dissolved, then filters pressing obtains nanoelectronic slurry.The preparation method have the advantage that 1, low viscosity organic phase be conducive to resin, auxiliary agent unfold completely with nano-powder formed surface bond, improve the dispersion stabilization of dispersion liquid；2, it is added when slurry tune is viscous after residual resin using stirring at low speed, molecular structure can be protected very well and guarantee slurry repetition stability；3, high to nano material dispersion efficiency, simple process is controllable, and slurry fineness is less than 2 μm.
Description
Technical field
The present invention relates to electronic component technical field of material more particularly to a kind of preparations of nanoelectronic slurry
Method.
Background technique
It is controlled with military project and commercial communication (wired, wireless, network), aerospace, instrument and meter, data acquisition with intelligence
The fields technologies such as system, video show, automotive electronics, consumer electronics, portable equipment and computer being constantly progressive and applying, it is desirable that
Electronic component develops to high reliability, small size, ultrathin direction.
As the electric slurry of one of electronic component critical material, to a certain degree to the performance of electronic component performance
On play a decisive role, for the needs for meeting the development of high-precision electronic component, electric slurry must have smaller fineness, more
Good dispersed, higher printed resolution.
Nano material is to be less than a kind of structural material of 100nm in three-dimensional space at least one dimension size, with volume
Effect, quantum size effect, quantum tunneling effect, Dielectric confinement effect；Relative to block materials, nano material is typically exhibited
Special light, electricity, magnetic performance, belong to high-end basic material and application field are extensive.Wherein, Application of micron is starched in electronics
Material can be that application of the electric slurry on High precision electronic component provides a strong guarantee, but nano material has strong surface
Effect, surface can be relatively high, and nanometer base electric slurry has processing difficulties.
Summary of the invention
The purpose of the present invention is to solve the shortcomings of the prior art and a kind of preparation method of nanoelectronic slurry is provided, phase
For existing preparation process, which is had the following advantages that, specifically: 1, nano-powder dispersing matrixes be low viscosity
Organic phase, viscosity is low to be conducive to ultrasonic disperse, while low viscosity organic phase is conducive to unfolding completely for resin and auxiliary agent, with nanometer
Powder surface forms bonding, prepares uniform and stable nano dispersion fluid；2, it is added when slurry tune is viscous after remaining resin using low
Fast stirring technique, can be well protected molecular structure in this way, guarantee the repetition stability of slurry；3, the preparation method is for nanometer
Material dispersion efficiency is high, and simple process is controllable, and slurry fineness is less than 2 μm.
In order to achieve the above objectives, the present invention is achieved through the following technical solutions.
A kind of preparation method of nanoelectronic slurry includes low viscosity organic phase preparation step, the nanometer successively carried out
Powder dispersion steps, slurry tune glue filtration step；
The low viscosity organic phase preparation step are as follows: the 10% ~ 60% of resin, auxiliary agent and solvent will be measured and mixed, certain temperature
Lower stirring to the resin of degree is completely dissolved, to complete the low viscosity organic phase preparation of clear homogeneous；
The nano-powder dispersion steps are as follows: by the nano-powder of metering with low viscosity is organic is added to size barrel,
Size barrel is placed in ultrasonic equipment ultrasonic disperse while stirring, dispersion machine mixing speed is 200 ~ 1000r/min, processing
5 ~ 15h of time completes nano-powder dispersion steps and uniform and stable nano dispersion fluid is made；
The slurry tune glues filtration step are as follows: remaining 40% ~ 90% resin will be measured and be added into nano dispersion fluid, with point
Scattered machine, which is stirred at low speed to resin, to be completely dissolved, and is then filtered slurry using pressure filtration method, to complete nanoelectronic slurry
The preparation of material.
Wherein, the nano-powder includes metal-powder, oxide powder or glass powder.
Wherein, the partial size three-dimensional at least one dimension of the nano-powder is less than 100nm.
Wherein, the auxiliary agent includes dispersing agent, defoaming agent, levelling agent.
Wherein, in low viscosity organic phase preparation process, whipping temp is 50 ± 5 DEG C.
Wherein, it is glued in filter process in slurry tune, the speed that dispersion machine stirs at low speed is 100 ~ 800r/min.
The invention has the benefit that a kind of preparation method of nanoelectronic slurry of the present invention comprising have according to
The low viscosity organic phase preparation step of secondary progress, nano-powder dispersion steps, slurry tune glue filtration step；The low viscosity is organic
Phase preparation step are as follows: the 10% ~ 60% of resin, auxiliary agent and solvent will be measured and mixed, stirring to resin is completely dissolved under certain temperature,
To complete the low viscosity organic phase preparation of clear homogeneous；The nano-powder dispersion steps are as follows: by the nano-powder of metering with it is low
Viscosity is organic to be added to size barrel, size barrel is placed in ultrasonic equipment ultrasonic disperse while stirring, dispersion machine stirs
Mixing speed is 200 ~ 1000r/min, handles 5 ~ 15h of time, completes nano-powder dispersion steps and uniform and stable nanometer is made
Dispersion liquid；The slurry tune glues filtration step are as follows: remaining 40% ~ 90% resin will be measured and be added into nano dispersion fluid, with point
Scattered machine, which is stirred at low speed to resin, to be completely dissolved, and is then filtered slurry using pressure filtration method, to complete nanoelectronic slurry
The preparation of material.It is designed by above-mentioned processing step, which has the following advantages that, specifically: 1, nano-powder dispersion base
Body is low viscosity organic phase, and viscosity is low to be conducive to ultrasonic disperse, while low viscosity organic phase is conducive to the complete of resin and auxiliary agent
Unfold, is bonded with nano powder surface formation, prepares uniform and stable nano dispersion fluid；2, remaining tree is added when slurry tune is viscous
Using technique is stirred at low speed after rouge, it can be well protected molecular structure in this way, guarantee the repetition stability of slurry；3, the preparation side
Method is high for nano material dispersion efficiency, and simple process is controllable, and slurry fineness is less than 2 μm.
Specific embodiment
Below with reference to specific embodiment, the present invention will be described.
Embodiment one, a kind of preparation method of nanoelectronic slurry include the low viscosity organic phase preparation successively carried out
Step, nano-powder dispersion steps, slurry tune glue filtration step；
Low viscosity organic phase preparation step are as follows: defoam 1g ethyl cellulose, 0.5g levelling agent, 0.5g dispersing agent, 0.5g
Agent, 90g two end number mixing ester (DBE) mix, and stirring to ethyl cellulose is completely dissolved at 50 DEG C, mixing speed 500r/min,
Complete the low viscosity organic phase preparation of clear homogeneous；
Nano-powder dispersion steps are as follows: nano-silver powder (partial size 50nm) 40g and glass powder (partial size 50nm) 10g is added low
Size barrel is placed in ultrasonic equipment ultrasonic disperse while stirring, mixing speed 500r/min, ultrasonic agitation by viscosity organic phase
Time 8h completes nano-powder dispersion, uniform nano dispersion fluid is made；
Slurry tune glues filtration step are as follows: 9g ethyl cellulose is added in above-mentioned nano dispersion fluid, is existed using dispersion machine
Stirring to ethyl cellulose is completely dissolved under the mixing speed of 300r/min, then filters pressing product, and much filtrate is target slurry, carefully
Degree is 1.5 μm.
Embodiment two, a kind of preparation method of nanoelectronic slurry include the low viscosity organic phase preparation successively carried out
Step, nano-powder dispersion steps, slurry tune glue filtration step；
Low viscosity organic phase preparation step are as follows: defoam 2g ethyl cellulose, 0.5g levelling agent, 0.5g dispersing agent, 0.5g
Agent, 90g two end number mixing ester (DBE) mix, and stirring to ethyl cellulose is completely dissolved at 50 DEG C, mixing speed 500r/min,
Complete the low viscosity organic phase preparation of clear homogeneous；
Nano-powder dispersion steps are as follows: low viscosity organic phase is added in nano-silver powder (partial size 50nm) 50g, size barrel is set
Time 10h is stirred by ultrasonic in ultrasonic disperse, mixing speed 700r/min while stirring in ultrasonic equipment, completes nano-powder
Dispersion, is made uniform nano dispersion fluid；
Slurry tune glues filtration step are as follows: 8g ethyl cellulose is added in above-mentioned nano dispersion fluid, is existed using dispersion machine
Stirring to ethyl cellulose is completely dissolved under the mixing speed of 400r/min, then filters pressing product, and much filtrate is target slurry, carefully
Degree is 1.5 μm.
Embodiment three, a kind of preparation method of nanoelectronic slurry include the low viscosity organic phase preparation successively carried out
Step, nano-powder dispersion steps, slurry tune glue filtration step；
Low viscosity organic phase preparation step are as follows: defoam 3g ethyl cellulose, 0.5g levelling agent, 0.5g dispersing agent, 0.5g
Agent, 90g two end number mixing ester (DBE) mix, and stirring to ethyl cellulose is completely dissolved at 50 DEG C, mixing speed 500r/min,
Complete the low viscosity organic phase preparation of clear homogeneous；
Nano-powder dispersion steps are as follows: nano-silver powder (partial size 50nm) 30g and glass powder (partial size 50nm) 20g is added low
Size barrel is placed in ultrasonic equipment ultrasonic disperse while stirring, mixing speed 1000r/min by viscosity organic phase, and ultrasound is stirred
Time 12h is mixed, nano-powder dispersion is completed, uniform nano dispersion fluid is made；
Slurry tune glues filtration step are as follows: 7g ethyl cellulose is added in above-mentioned nano dispersion fluid, is existed using dispersion machine
Stirring to ethyl cellulose is completely dissolved under the mixing speed of 500r/min, then filters pressing product, and much filtrate is target slurry, carefully
Degree is 1.5 μm.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (2)
1. a kind of preparation method of nanoelectronic slurry, it is characterised in that: include the low viscosity organic phase preparation successively carried out
Step, nano-powder dispersion steps, slurry tune glue filtration step；
The low viscosity organic phase preparation step are as follows: the 10% ~ 60% of resin, auxiliary agent and solvent will be measured and mixed, under certain temperature
Stirring to resin is completely dissolved, and whipping temp is 50 ± 5 DEG C, to complete the low viscosity organic phase preparation of clear homogeneous；
The nano-powder dispersion steps are as follows: by the nano-powder of metering with low viscosity is organic is added to size barrel, will starch
Charging basket is placed in ultrasonic equipment ultrasonic disperse while stirring, and dispersion machine mixing speed is 200 ~ 1000r/min, and the processing time 5 ~
15h completes nano-powder dispersion steps and uniform and stable nano dispersion fluid is made；Wherein, the nano-powder includes metal
The partial size three-dimensional at least one dimension of powder, oxide powder or glass powder, nano-powder is less than 100nm；
The slurry tune glues filtration step are as follows: will measure remaining 40% ~ 90% resin and be added into nano dispersion fluid, and use dispersion machine
It stirs at low speed to resin and is completely dissolved, the speed that dispersion machine stirs at low speed is 100 ~ 800r/min, and slurry is then used pressure
Filtration method is filtered, to complete the preparation of nanoelectronic slurry.
2. a kind of preparation method of nanoelectronic slurry according to claim 1, it is characterised in that: the auxiliary agent includes
Dispersing agent, defoaming agent, levelling agent.
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| CN109166671B (en) * | 2018-08-22 | 2021-01-26 | 深圳市璞瑞达薄膜开关技术有限公司 | Preparation method of quick-drying low-temperature silver paste |
| CN110600162B (en) * | 2019-10-23 | 2021-04-02 | 河南农业大学 | Solar cell conductive paste and preparation method thereof |
| CN111117371B (en) * | 2020-01-20 | 2022-05-06 | 浙江纳美新材料股份有限公司 | Special color paste for bamboo and wood dyeing and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710497A (en) * | 2009-12-08 | 2010-05-19 | 华中科技大学 | Nano-silver conductive slurry |
| CN104282356A (en) * | 2013-07-03 | 2015-01-14 | 肖淑勇 | Low-silver-content composite conductive silver paste and preparation method thereof |
| CN105702320A (en) * | 2014-11-28 | 2016-06-22 | 湖南利德电子浆料股份有限公司 | Silver conductive paste for radio frequency identification tag and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101710497A (en) * | 2009-12-08 | 2010-05-19 | 华中科技大学 | Nano-silver conductive slurry |
| CN104282356A (en) * | 2013-07-03 | 2015-01-14 | 肖淑勇 | Low-silver-content composite conductive silver paste and preparation method thereof |
| CN105702320A (en) * | 2014-11-28 | 2016-06-22 | 湖南利德电子浆料股份有限公司 | Silver conductive paste for radio frequency identification tag and preparation method thereof |
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