CN107958721A - A kind of preparation method of electrocondution slurry - Google Patents
A kind of preparation method of electrocondution slurry Download PDFInfo
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- CN107958721A CN107958721A CN201610902738.6A CN201610902738A CN107958721A CN 107958721 A CN107958721 A CN 107958721A CN 201610902738 A CN201610902738 A CN 201610902738A CN 107958721 A CN107958721 A CN 107958721A
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- raw material
- preparing
- organic carrier
- rosin resin
- weight parts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/20—Conductive material dispersed in non-conductive organic material
- H01B1/22—Conductive material dispersed in non-conductive organic material the conductive material comprising metals or alloys
-
- 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
Abstract
The invention discloses a kind of preparation method of electrocondution slurry, it is made by the raw material of following weight parts：A expects 76 85, B material 19 23, Silane coupling agent KH550 12, castor oil 1 1.5, zinc stearate 12, tributyl citrate 0.3 0.7, epoxidized soybean oil 12, polyvinylpyrrolidone 12.The electrocondution slurry of gained of the invention is not leaded, comply fully with environmental requirement, when the production applied to solar cell, strong adhesive force, cell photoelectric high conversion efficiency can be formed in solar cell surface, the silver powder of different-grain diameter has been selected at the same time, increase interparticle contact area, so as to improve the conductive capability of slurry.
Description
Technical field
The present invention relates to electrocondution slurry field, is exactly a kind of preparation method of electrocondution slurry.
Background technology
Electrocondution slurry is the critical material of electronic component encapsulation, electrode and interconnection, mainly including burning infiltration type electrocondution slurry and admittedly
Two major class of change type conducting resinl (electrically conductive ink).
Burning infiltration type electrocondution slurry is used primarily in the industries such as solar cell, makees electrode use, curing type conductive oil after sintering
Ink is widely used in the industries such as printed circuit and Electronic Packaging.
Electrocondution slurry is different according to filler therein, can be divided into carbon slurry（Graphite conductor）, metal paste（Bronze, silver powder,
Copper powder, yellow gold）, and modified ceramic slurry.Classified according to condition of cure, heat cure, ultra-violet curing etc. can be divided into.
Performance compares, and the electric conductivity of noble metal filler is best, and carbon slurry is secondly.But the price of gold is too high, the resistance to oxidation of copper powder
Property it is bad, silver powder and silver-bearing copper powder are more balanced in price and performance.The wearability silver paste of carbon slurry will be got well.
Electric conductivity silver paste refers to be printed on conductive stock, with conduction electric current and excludes accumulation electrostatic charge energy
The silver paste of power, is usually imprinted on the non-conductive stock such as plastics, glass, ceramics or cardboard.
The content of the invention
It is an object of the invention to provide a kind of preparation method of electrocondution slurry.
Above-mentioned purpose is realized by following scheme：
A kind of preparation method of electrocondution slurry, it is characterised in that comprise the following steps：
1. a kind of preparation method of electrocondution slurry, it is characterised in that comprise the following steps：
（1）Each raw material for preparing glass dust is weighed by following weight parts：ZnO1-6, K2O 4-6, Bi2O, 2-25, AS2O3 5-
8, Co2O3 4-7, MgO 1-2, SnO22-8, B2O3 4-6, ZrO2 6-8, SiO2 14-16, Na2O 5-7, Sb2O3
5-8, CuO 4-6 ；
（2）Each raw material needed for glass dust will be prepared to mix, after sintering 1.5-3h at 1100-1200 DEG C, then by gained melting charge
Cold quenching-in water is poured into, ball milling, sieving, obtains 2-6 μm of glass dust, then the hydrochloric acid solution for being 11-13% with concentration soaks 1-
3 it is small when, be then washed with deionized water to neutrality, dry 1.5-3.5 μm of glass dust is spare；
（3）Each raw material for preparing ethyl cellulose organic carrier is weighed by following weight parts：Acetic acid butyl carbitol 22-35, second
Base cellulose 8-10, nitrocellulose disorderly 1.5-3.5, polyvinylpyrrolidone 2-4, polyethylene glycol 1-2, three second of acetyl tributyl citrate
Ester 0.7-1.1；
（4）After each raw material for preparing ethyl cellulose organic carrier is mixed, the stirring and dissolving at 45-65 DEG C, crosses 350-550 mesh
Filter cloth, it is spare up to ethyl cellulose organic carrier；
（5）Each raw material for preparing rosin resin organic carrier is weighed by following weight parts：Rosin resin 4-9, Tissuemat E 0.6-
0.9, ethylene glycol monobutyl ether 25-33；
（6）After each raw material for preparing rosin resin organic carrier is mixed, the stirring and dissolving at 55-65 DEG C, crosses the filter of 300-500 mesh
Cloth, it is spare up to rosin resin organic carrier；
（7）Each raw material for preparing A material is weighed by following weight parts：1-6 μm of silver powder 22-27,55-76nm silver powder 25-27,15-
23 μm of silver powder 21-23, steps（2）Obtained 2-5 μm of glass dust 11-13, ethyl cellulose organic carrier 22-25, maleic acid
Dioctyl ester 1.5-2.6；Each raw material for preparing A material is mixed, obtains A material；
（8）Each raw material for preparing B material is weighed by following weight parts：2-7 μm of bronze 33-36,56-80nm aluminium powder 11-16,12-
17 μm of copper powder 25-30, steps（2）It is obtained 1-5 μm of glass dust 12-15, rosin resin organic carrier 26-29, silane coupled
Agent KH540 2-4；Each raw material for preparing B material is mixed, obtains B material；
（9）Each raw material for preparing the electrocondution slurry containing rosin resin is weighed by following weight parts：
A expects that 76-85, B expect 19-23, Silane coupling agent KH550 1-2, castor oil 1-1.5, zinc stearate 1-2, citric acid three
Butyl ester 0.3-0.7, epoxidized soybean oil 1-2, polyvinylpyrrolidone 1-2；
Each raw material for preparing the electrocondution slurry containing rosin resin is mixed by weight, ball milling, be ground to slurry fineness less than 9
μm, after tune viscosity to obtain the final product.
A kind of preparation method of the electrocondution slurry, it is characterised in that：Step（9）It is middle to adjust viscosity to 160-210Pa s.
Beneficial effects of the present invention are：The electrocondution slurry of gained of the invention is not leaded, complies fully with environmental requirement, when should
For the production of solar cell, strong adhesive force, cell photoelectric high conversion efficiency can be formed in solar cell surface, selected at the same time
With the silver powder of different-grain diameter, increase interparticle contact area, so as to improve the conductive capability of slurry.
Embodiment
The present invention is further described with reference to specific embodiment.
Embodiment 1
A kind of preparation method of electrocondution slurry, it is characterised in that comprise the following steps：
（1）Each raw material for preparing glass dust is weighed by following weight parts：ZnO1-6, K2O 4-6, Bi2O, 2-25, AS2O3 5-
8, Co2O3 4-7, MgO 1-2, SnO22-8, B2O3 4-6, ZrO2 6-8, SiO2 14-16, Na2O 5-7, Sb2O3
5-8, CuO 4-6 ；
（2）Each raw material needed for glass dust will be prepared to mix, after sintering 1.5-3h at 1100-1200 DEG C, then by gained melting charge
Cold quenching-in water is poured into, ball milling, sieving, obtains 2-6 μm of glass dust, then the hydrochloric acid solution for being 11-13% with concentration soaks 1-
3 it is small when, be then washed with deionized water to neutrality, dry 1.5-3.5 μm of glass dust is spare；
（3）Each raw material for preparing ethyl cellulose organic carrier is weighed by following weight parts：Acetic acid butyl carbitol 22-35, second
Base cellulose 8-10, nitrocellulose disorderly 1.5-3.5, polyvinylpyrrolidone 2-4, polyethylene glycol 1-2, three second of acetyl tributyl citrate
Ester 0.7-1.1；
（4）After each raw material for preparing ethyl cellulose organic carrier is mixed, the stirring and dissolving at 45-65 DEG C, crosses 350-550 mesh
Filter cloth, it is spare up to ethyl cellulose organic carrier；
（5）Each raw material for preparing rosin resin organic carrier is weighed by following weight parts：Rosin resin 4-9, Tissuemat E 0.6-
0.9, ethylene glycol monobutyl ether 25-33；
（6）After each raw material for preparing rosin resin organic carrier is mixed, the stirring and dissolving at 55-65 DEG C, crosses the filter of 300-500 mesh
Cloth, it is spare up to rosin resin organic carrier；
（7）Each raw material for preparing A material is weighed by following weight parts：1-6 μm of silver powder 22-27,55-76nm silver powder 25-27,15-
23 μm of silver powder 21-23, steps（2）Obtained 2-5 μm of glass dust 11-13, ethyl cellulose organic carrier 22-25, maleic acid
Dioctyl ester 1.5-2.6；Each raw material for preparing A material is mixed, obtains A material；
（8）Each raw material for preparing B material is weighed by following weight parts：2-7 μm of bronze 33-36,56-80nm aluminium powder 11-16,12-
17 μm of copper powder 25-30, steps（2）It is obtained 1-5 μm of glass dust 12-15, rosin resin organic carrier 26-29, silane coupled
Agent KH540 2-4；Each raw material for preparing B material is mixed, obtains B material；
（9）Each raw material for preparing the electrocondution slurry containing rosin resin is weighed by following weight parts：
A expects that 76-85, B expect 19-23, Silane coupling agent KH550 1-2, castor oil 1-1.5, zinc stearate 1-2, citric acid three
Butyl ester 0.3-0.7, epoxidized soybean oil 1-2, polyvinylpyrrolidone 1-2；
Each raw material for preparing the electrocondution slurry containing rosin resin is mixed by weight, ball milling, be ground to slurry fineness less than 9
μm, after tune viscosity to obtain the final product.
Silver paste is printed on 115mm × 145mm Si substrates using screen process press, then in 175 DEG C of dryings, then
850 DEG C carry out quick fired electrodes lead, and manufactured contact conductor surface is silvery white after high temperature sintering, smooth zero defect, peel off strong
11 N/cm are spent, soldering is functional, 9 Siements/sq of sheet resistance ＜, and the solar cell photoelectric transformation efficiency of preparation is
16.3%, tensile test result is adhesive force>15N/mm2.
Claims (2)
1. a kind of preparation method of electrocondution slurry, it is characterised in that comprise the following steps：
（1）Each raw material for preparing glass dust is weighed by following weight parts：ZnO1-6, K2O 4-6, Bi2O, 2-25, AS2O3 5-
8, Co2O3 4-7, MgO 1-2, SnO22-8, B2O3 4-6, ZrO2 6-8, SiO2 14-16, Na2O 5-7, Sb2O3
5-8, CuO 4-6 ；
（2）Each raw material needed for glass dust will be prepared to mix, after sintering 1.5-3h at 1100-1200 DEG C, then by gained melting charge
Cold quenching-in water is poured into, ball milling, sieving, obtains 2-6 μm of glass dust, then the hydrochloric acid solution for being 11-13% with concentration soaks 1-
3 it is small when, be then washed with deionized water to neutrality, dry 1.5-3.5 μm of glass dust is spare；
（3）Each raw material for preparing ethyl cellulose organic carrier is weighed by following weight parts：Acetic acid butyl carbitol 22-35, second
Base cellulose 8-10, nitrocellulose disorderly 1.5-3.5, polyvinylpyrrolidone 2-4, polyethylene glycol 1-2, three second of acetyl tributyl citrate
Ester 0.7-1.1；
（4）After each raw material for preparing ethyl cellulose organic carrier is mixed, the stirring and dissolving at 45-65 DEG C, crosses 350-550 mesh
Filter cloth, it is spare up to ethyl cellulose organic carrier；
（5）Each raw material for preparing rosin resin organic carrier is weighed by following weight parts：Rosin resin 4-9, Tissuemat E 0.6-
0.9, ethylene glycol monobutyl ether 25-33；
（6）After each raw material for preparing rosin resin organic carrier is mixed, the stirring and dissolving at 55-65 DEG C, crosses the filter of 300-500 mesh
Cloth, it is spare up to rosin resin organic carrier；
（7）Each raw material for preparing A material is weighed by following weight parts：1-6 μm of silver powder 22-27,55-76nm silver powder 25-27,15-
23 μm of silver powder 21-23, steps（2）Obtained 2-5 μm of glass dust 11-13, ethyl cellulose organic carrier 22-25, maleic acid
Dioctyl ester 1.5-2.6；Each raw material for preparing A material is mixed, obtains A material；
（8）Each raw material for preparing B material is weighed by following weight parts：2-7 μm of bronze 33-36,56-80nm aluminium powder 11-16,12-
17 μm of copper powder 25-30, steps（2）It is obtained 1-5 μm of glass dust 12-15, rosin resin organic carrier 26-29, silane coupled
Agent KH540 2-4；Each raw material for preparing B material is mixed, obtains B material；
（9）Each raw material for preparing the electrocondution slurry containing rosin resin is weighed by following weight parts：
A expects that 76-85, B expect 19-23, Silane coupling agent KH550 1-2, castor oil 1-1.5, zinc stearate 1-2, citric acid three
Butyl ester 0.3-0.7, epoxidized soybean oil 1-2, polyvinylpyrrolidone 1-2；
Each raw material for preparing the electrocondution slurry containing rosin resin is mixed by weight, ball milling, be ground to slurry fineness less than 9
μm, after tune viscosity to obtain the final product.
A kind of 2. preparation method of electrocondution slurry containing rosin resin according to claim 1, it is characterised in that：Step
Suddenly（9）It is middle to adjust viscosity to 160-210Pas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902738.6A CN107958721A (en) | 2016-10-16 | 2016-10-16 | A kind of preparation method of electrocondution slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610902738.6A CN107958721A (en) | 2016-10-16 | 2016-10-16 | A kind of preparation method of electrocondution slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107958721A true CN107958721A (en) | 2018-04-24 |
Family
ID=61953724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610902738.6A Withdrawn CN107958721A (en) | 2016-10-16 | 2016-10-16 | A kind of preparation method of electrocondution slurry |
Country Status (1)
| Country | Link |
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| CN (1) | CN107958721A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887673A (en) * | 2018-12-27 | 2019-06-14 | 深圳市欧科力科技有限公司 | A kind of preparation method of composite conductive ceramic slurry |
| CN111312425A (en) * | 2019-11-18 | 2020-06-19 | 中亚世纪(天津)科技有限公司 | Hardened feed point material of printed antenna and preparation method thereof |
-
2016
- 2016-10-16 CN CN201610902738.6A patent/CN107958721A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887673A (en) * | 2018-12-27 | 2019-06-14 | 深圳市欧科力科技有限公司 | A kind of preparation method of composite conductive ceramic slurry |
| CN111312425A (en) * | 2019-11-18 | 2020-06-19 | 中亚世纪(天津)科技有限公司 | Hardened feed point material of printed antenna and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180424 |