CN106018174A - Testing method for viscosity of organic carrier for photovoltaic front silver paste - Google Patents
Testing method for viscosity of organic carrier for photovoltaic front silver paste Download PDFInfo
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- CN106018174A CN106018174A CN201610345076.7A CN201610345076A CN106018174A CN 106018174 A CN106018174 A CN 106018174A CN 201610345076 A CN201610345076 A CN 201610345076A CN 106018174 A CN106018174 A CN 106018174A
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- Prior art keywords
- organic carrier
- measuring cup
- viscosity
- testing
- silver paste
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 35
- 239000004332 silver Substances 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010998 test method Methods 0.000 claims description 18
- 230000033228 biological regulation Effects 0.000 claims description 10
- 230000005587 bubbling Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000001105 regulatory effect Effects 0.000 abstract 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 239000013521 mastic Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a testing method for the viscosity of an organic carrier for photovoltaic front silver paste. The testing method comprises the following steps: a, firstly, filling 15ml to 25ml of the organic carrier into a measurement cup; b, putting the measurement cup into a centrifuge with the rotary speed of 400rad/min to 800rad/min and centrifuging for 3min to 5min until foams are completely removed; c, increasing or decreasing the quantity of the centrifuged organic carrier in the measurement cup to a regulated capacity; d, fixing the measurement cup filled with the organic carrier with the regulated capacity into a small sample adapter with constant-temperature circulating water and keeping the heat for 10min to 25min; e, after zeroing a viscometer, testing the organic carrier subjected to heat insulation to read a viscosity value of the organic carrier under the regulated rotary speed. According to the testing method disclosed by the invention, air bubbles which are randomly generated in the organic carrier can be rapidly and completely removed and the accuracy of testing the viscosity is improved; the production efficiency of the photovoltaic front silver paste and the stability of product quality are improved.
Description
Technical field
The present invention relates to photovoltaic front side silver paste field, the accuracy that a kind of can remove the bubble randomly generated in organic carrier rapidly and thoroughly, improves viscosity test, regulation and control for the viscosity of next step silver slurry decrease the number of times that later stage silver slurry viscosity adjusts and the method for testing of the photovoltaic front side silver paste organic carrier viscosity that improve the production efficiency of photovoltaic front side silver paste and the stability of product quality while providing accurate foundation.
Background technology
Organic carrier plays moistening argentum powder and glass powder particles in photovoltaic front side silver paste, builds network structure, and after being ground by stirring mixing and three rollers, argentum powder and glass dust are scattered in organic carrier uniformly, and being formed can be with the mastic state of silk screen printing.Photovoltaic front side silver paste has that solid content is high, silk screen printing live width is low, linear depth-width ratio high after sintering, and this all requirement to the viscosity that silver is starched is high.The preparation of photovoltaic front side silver paste needs the most molten to make organic carrier, by the beforehand control of organic carrier viscosity guarantees the undulatory property of silver slurry finished product viscosity.
The feature of photovoltaic front side silver paste organic carrier is that viscosity is high, thixotropy is high, poor fluidity, and the bubble produced in production process, it is very difficult to discharge generally places more than 48h, and naked eyes can distinguish that bubble could be discharged totally.These randomly generate, and bubble not of uniform size brings challenge greatly to the accuracy of organic carrier viscosity test, has a strong impact on production efficiency and the product quality of slurry simultaneously.
Summary of the invention
The problem that it is an object of the invention to exist for prior art, it is provided that the accuracy that a kind of can remove the bubble randomly generated in organic carrier rapidly and thoroughly, improves viscosity test, regulation and control for the viscosity of next step silver slurry decrease the number of times that later stage silver slurry viscosity adjusts and the method for testing of the photovoltaic front side silver paste organic carrier viscosity that improve the production efficiency of photovoltaic front side silver paste and the stability of product quality while providing accurate foundation.
It is an object of the invention to solve by the following technical programs:
A kind of method of testing of photovoltaic front side silver paste organic carrier viscosity, it is characterised in that: the step of described method of testing is as follows:
A, the first organic carrier of fill 15ml～25ml in measuring cup；
B, measuring cup is put in the centrifuge that rotating speed is 400rad/min～800rad/min centrifugal 3min～5min remove completely to bubbling；
C, increase or reduce centrifugal after measuring cup in organic carrier to specified volume；
D, will be equipped with the measuring cup of specified volume and be fixed on and be connected with in the sample adapter of thermostatical circulating water insulation 10min～25min；
Behind e, viscometer school zero, the organic carrier after insulation is tested, i.e. can read the viscosity number of organic carrier under regulation rotating speed.
Measuring cup in described step a be shaped as cylinder, the external diameter of measuring cup is 10mm, internal diameter is 8mm and height is for 100mm.
Transparent PP material is selected so that the bubble in organic carrier removes situation after centrifugal treating in observation step b in measuring cup material in described step a.
The outer wall of the measuring cup in described step a is marked with volume scale to be increased with the organic carrier guaranteeing in the organic carrier of fill in step a and step c or reduces the degree of accuracy to specified volume.
The upper limb of the measuring cup in described step a is provided with location stuck point to guarantee the general of the sample adapter of the BROOKFEILD viscometer in measuring cup and step d and step e.
The present invention has the following advantages compared to existing technology:
The present invention by using that a kind of simple in construction, sampling amount be the most readable, deaeration thoroughly, highly versatile and the high viscosity measurement cup of testing efficiency be in order to replace the centrifuge tube of test-type centrifuge, by thorough for sample deaeration under the effect of centrifuge, the sample adapter of BROOKFEILD viscometer can also be coordinated to use, it is ensured that measurement accuracy and the convenience of process simultaneously；The method can remove the bubble randomly generated in organic carrier rapidly and thoroughly, improve viscosity test accuracy, regulation and control for the viscosity of next step silver slurry decrease number of times that later stage silver slurry viscosity adjusts and improve the production efficiency of photovoltaic front side silver paste and the stability of product quality while providing accurate foundation.
Detailed description of the invention
Below by embodiment, the present invention is further illustrated.
The method of testing of a kind of photovoltaic front side silver paste organic carrier viscosity, the step of this method of testing is as follows: a, the first organic carrier of fill 15ml～25ml in measuring cup；B, measuring cup is put in the centrifuge that rotating speed is 400rad/min～800rad/min centrifugal 3min～5min remove completely to bubbling；C, increase or reduce centrifugal after measuring cup in organic carrier to specified volume；D, will be equipped with the measuring cup of specified volume and be fixed on and be connected with in the sample adapter of thermostatical circulating water insulation 10min～25min；Behind e, viscometer school zero, the organic carrier after insulation is tested, i.e. can read the viscosity number of organic carrier under regulation rotating speed.On the basis of above-mentioned method of testing, the measuring cup used in the method for testing provided the application below is further detailed, measuring cup be shaped as cylinder, the external diameter of measuring cup is 10mm, internal diameter is 8mm and height is 100mm, transparent PP material is selected so that the bubble in organic carrier removes situation, i.e. it is observed that whether bubble removes totally after centrifugal treating in observation step b in measuring cup material；It is marked with volume scale to guarantee that the organic carrier in the organic carrier of fill in step a and step c increases or reduces the degree of accuracy to specified volume at the outer wall of measuring cup, i.e. be easy to read sampling amount number, the test error avoiding sample volume difference to bring, improves testing precision；Upper limb at measuring cup is provided with location stuck point to guarantee the general of the sample adapter of the BROOKFEILD viscometer in measuring cup and step d and step e.
Embodiment one
The method of testing of a kind of photovoltaic front side silver paste organic carrier viscosity, the step of this method of testing is as follows: a, the first organic carrier of fill 20ml in measuring cup；B, measuring cup is put in the centrifuge that rotating speed is 500rad/min centrifugal 4min remove completely to bubbling；C, increase or reduce centrifugal after measuring cup in organic carrier to specified volume；D, will be equipped with the measuring cup of specified volume and be fixed on and be connected with in the sample adapter of thermostatical circulating water insulation 15min；Behind e, viscometer school zero, the organic carrier after insulation is tested, i.e. can read the viscosity number of organic carrier under regulation rotating speed.
Embodiment two
The method of testing of a kind of photovoltaic front side silver paste organic carrier viscosity, the step of this method of testing is as follows: a, the first organic carrier of fill 25ml in measuring cup；B, measuring cup is put in the centrifuge that rotating speed is 500rad/min centrifugal 5min remove completely to bubbling；C, increase or reduce centrifugal after measuring cup in organic carrier to specified volume；D, will be equipped with the measuring cup of specified volume and be fixed on and be connected with in the sample adapter of thermostatical circulating water insulation 18min；Behind e, viscometer school zero, the organic carrier after insulation is tested, i.e. can read the viscosity number of organic carrier under regulation rotating speed.
Embodiment three
The method of testing of a kind of photovoltaic front side silver paste organic carrier viscosity, the step of this method of testing is as follows: a, the first organic carrier of fill 25ml in measuring cup；B, measuring cup is put in the centrifuge that rotating speed is 600rad/min centrifugal 4min remove completely to bubbling；C, increase or reduce centrifugal after measuring cup in organic carrier to specified volume；D, will be equipped with the measuring cup of specified volume and be fixed on and be connected with in the sample adapter of thermostatical circulating water insulation 20min；Behind e, viscometer school zero, the organic carrier after insulation is tested, i.e. can read the viscosity number of organic carrier under regulation rotating speed.
The present invention by using that a kind of simple in construction, sampling amount be the most readable, deaeration thoroughly, highly versatile and the high viscosity measurement cup of testing efficiency be in order to replace the centrifuge tube of test-type centrifuge, by thorough for sample deaeration under the effect of centrifuge, the sample adapter of BROOKFEILD viscometer can also be coordinated to use, it is ensured that measurement accuracy and the convenience of process simultaneously；The method can remove the bubble randomly generated in organic carrier rapidly and thoroughly, improve viscosity test accuracy, regulation and control for the viscosity of next step silver slurry decrease number of times that later stage silver slurry viscosity adjusts and improve the production efficiency of photovoltaic front side silver paste and the stability of product quality while providing accurate foundation.
Above example is only the technological thought that the present invention is described, it is impossible to limiting protection scope of the present invention with this, every technological thought proposed according to the present invention, any change done on the basis of technical scheme, within each falling within scope；The technology that the present invention is not directed to all can be realized by prior art.
Claims (5)
1. the photovoltaic front side silver paste method of testing of organic carrier viscosity, it is characterised in that: the step of described method of testing is as follows:
A, the first organic carrier of fill 15ml～25ml in measuring cup；
B, measuring cup is put in the centrifuge that rotating speed is 400rad/min～800rad/min centrifugal 3min～5min remove completely to bubbling；
C, increase or reduce centrifugal after measuring cup in organic carrier to specified volume；
D, will be equipped with the measuring cup of specified volume and be fixed on and be connected with in the sample adapter of thermostatical circulating water insulation 10min～25min；
Behind e, viscometer school zero, the organic carrier after insulation is tested, i.e. can read the viscosity number of organic carrier under regulation rotating speed.
The method of testing of photovoltaic front side silver paste organic carrier viscosity the most according to claim 1, it is characterised in that: the measuring cup in described step a be shaped as cylinder, the external diameter of measuring cup is 10mm, internal diameter is 8mm and height is for 100mm.
The method of testing of photovoltaic front side silver paste organic carrier viscosity the most according to claim 1, it is characterised in that: select transparent PP material in the measuring cup material in described step a so that the bubble in organic carrier removes situation after centrifugal treating in observation step b.
The method of testing of photovoltaic front side silver paste organic carrier viscosity the most according to claim 1, it is characterised in that: the outer wall of the measuring cup in described step a is marked with volume scale to be increased with the organic carrier guaranteeing in the organic carrier of fill in step a and step c or reduces the degree of accuracy to specified volume.
The method of testing of photovoltaic front side silver paste organic carrier viscosity the most according to claim 1, it is characterised in that: the upper limb of the measuring cup in described step a is provided with location stuck point to guarantee the general of the sample adapter of the BROOKFEILD viscometer in measuring cup and step d and step e.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345076.7A CN106018174A (en) | 2016-05-23 | 2016-05-23 | Testing method for viscosity of organic carrier for photovoltaic front silver paste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610345076.7A CN106018174A (en) | 2016-05-23 | 2016-05-23 | Testing method for viscosity of organic carrier for photovoltaic front silver paste |
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| Publication Number | Publication Date |
|---|---|
| CN106018174A true CN106018174A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610345076.7A Pending CN106018174A (en) | 2016-05-23 | 2016-05-23 | Testing method for viscosity of organic carrier for photovoltaic front silver paste |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006784A (en) * | 2019-04-25 | 2019-07-12 | 常州聚和新材料股份有限公司 | A kind of electrocondution slurry viscosity determining procedure |
| CN111398140A (en) * | 2019-08-19 | 2020-07-10 | 杭州正银电子材料有限公司 | Stability detection method for silver paste carrier on front side of PREC solar cell |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636415A (en) * | 2012-04-28 | 2012-08-15 | 无锡卡利克斯科技有限公司 | Auxiliary device for testing electronic size viscosity |
| CN103435854A (en) * | 2013-08-29 | 2013-12-11 | 中国人民解放军国防科学技术大学 | Organic carrier for crystalline silicon solar cell electrode slurry and preparation method thereof |
| CN103728207A (en) * | 2012-10-10 | 2014-04-16 | 唐杰 | Stability measuring method for clean fracturing fluid |
| US20140290346A1 (en) * | 2013-03-15 | 2014-10-02 | James A. Salomon | Measurement instrument having touchscreen user interface and method for measuring viscosity |
| CN104464881A (en) * | 2014-11-17 | 2015-03-25 | 昆明贵金属研究所 | Dual-function electric conduction silver paste for touch screen and preparation method and application thereof |
| CN104992745A (en) * | 2015-06-25 | 2015-10-21 | 湖南有色中央研究院有限公司 | Conductive slurry with high resolution and preparation method thereof |
-
2016
- 2016-05-23 CN CN201610345076.7A patent/CN106018174A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636415A (en) * | 2012-04-28 | 2012-08-15 | 无锡卡利克斯科技有限公司 | Auxiliary device for testing electronic size viscosity |
| CN103728207A (en) * | 2012-10-10 | 2014-04-16 | 唐杰 | Stability measuring method for clean fracturing fluid |
| US20140290346A1 (en) * | 2013-03-15 | 2014-10-02 | James A. Salomon | Measurement instrument having touchscreen user interface and method for measuring viscosity |
| CN103435854A (en) * | 2013-08-29 | 2013-12-11 | 中国人民解放军国防科学技术大学 | Organic carrier for crystalline silicon solar cell electrode slurry and preparation method thereof |
| CN104464881A (en) * | 2014-11-17 | 2015-03-25 | 昆明贵金属研究所 | Dual-function electric conduction silver paste for touch screen and preparation method and application thereof |
| CN104992745A (en) * | 2015-06-25 | 2015-10-21 | 湖南有色中央研究院有限公司 | Conductive slurry with high resolution and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006784A (en) * | 2019-04-25 | 2019-07-12 | 常州聚和新材料股份有限公司 | A kind of electrocondution slurry viscosity determining procedure |
| CN111398140A (en) * | 2019-08-19 | 2020-07-10 | 杭州正银电子材料有限公司 | Stability detection method for silver paste carrier on front side of PREC solar cell |
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Application publication date: 20161012 |
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