CN106782743A - Compound conductive silver paste of a kind of wollastonite and preparation method thereof - Google Patents
Compound conductive silver paste of a kind of wollastonite and preparation method thereof Download PDFInfo
- Publication number
- CN106782743A CN106782743A CN201611123785.7A CN201611123785A CN106782743A CN 106782743 A CN106782743 A CN 106782743A CN 201611123785 A CN201611123785 A CN 201611123785A CN 106782743 A CN106782743 A CN 106782743A
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- CN
- China
- Prior art keywords
- wollastonite
- hours
- silver paste
- conductive silver
- auxiliary agent
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
-
- 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
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Conductive Materials (AREA)
Abstract
The invention discloses the conductive silver paste that a kind of wollastonite is combined, it is characterised in that be made from the following raw materials in parts by weight：Silver powder 40 55, sodium metasilicate 24, carbide slag 13, wollastonite 35, aluminium dihydrogen phosphate 0.4 0.9, manganese sulfate 0.3 0.6, ferrous sulfate 0.4 0.8, oleic acid 36, Tea Saponin 1.1 2.1, tricresyl phosphate 3.2 5.4, auxiliary agent 30 40；The present invention addition carbide slag, wollastonite waited until in raw material, reduces cost, applies the present invention to silk-screen printing, and can obtain line width has imaging precision high, and the conducting wire of superior electrical conductivity, tack and bending resistance is particularly suited for film substrate.
Description
Technical field
The present invention relates to conductive silver paste field, and in particular to compound conductive silver paste of a kind of wollastonite and preparation method thereof.
Background technology
Conductive silver paste refers to be printed on conductive stock, is allowed to have conduction electric current and excludes accumulation electrostatic charge ability
Silver paste, is usually imprinted on the non-conductive stock such as plastics, glass, ceramics or cardboard, it be by electroconductive stuffing, binder,
Solvent and additive are constituted.The characteristic that conductive silver paste needs to have has：Electric conductivity（Antistatic behaviour）Good, adhesive force is strong, printing is suitable
Answering property is good and solvent resistance superior properties, and existing conductive silver paste has disadvantages that in the market, not only contains lead, cadmium etc.
And it is poisonous, environment is polluted, and also adhesive force is low during using on conductive stock, soldering resistance is not good, and sintering character is poor.
The content of the invention
Conductive silver paste being combined it is an object of the invention to provide a kind of wollastonite and preparation method thereof, to overcome existing skill
The deficiency of art.
The object of the present invention is achieved like this：
The compound conductive silver paste of a kind of wollastonite, it is characterised in that be made from the following raw materials in parts by weight：Silver powder 40-55, silicic acid
Sodium 2-4, carbide slag 1-3, wollastonite 3-5, aluminium dihydrogen phosphate 0.4-0.9, manganese sulfate 0.3-0.6, ferrous sulfate 0.4-0.8, oil
Sour 3-6, Tea Saponin 1.1-2.1, tricresyl phosphate 3.2-5.4, auxiliary agent 30-40.
Described auxiliary agent is prepared from the following raw materials in parts by weight：Alundum (Al2O3) 2-3, boron oxide 3-5, polyvinyl alcohol 7-9, pine
Fragrant 14-18,3- aminopropyl trimethoxysilane 1.2-2.4, dimethyl silicone polymer 0.3-0.4, acetone 9-14, cyclohexanone 7-
10, its preparation method is that alundum (Al2O3), boron oxide are put into calcining furnace in being calcined 1-2 hour at 520-610 DEG C, taking-up
Room temperature is cooled to, adds polyvinyl alcohol to grind 20-40 minutes；Cyclohexanone, rosin are mixed, 2-3 is reacted at 100-120 DEG C
Hour, 40-50 DEG C is cooled to, add acetone, 3- aminopropyl trimethoxysilanes, dimethyl silicone polymer, keeping temperature stirring
3-4 hours；Each product will mix above, and grind 2-4 hours prepared 300-400 mesh slurry and obtain final product.
The preparation method of the compound conductive silver paste of described a kind of wollastonite, it is characterised in that comprise the following steps：
（1）Power taking rock ballast, wollastonite are sintered 2-3 hours in being put into calcining furnace at 650-710 DEG C, take out cooling, add sulfuric acid
Ferrous, manganese sulfate grinds 1-2 hours together；
（2）Take oleic acid, tricresyl phosphate and be heated to 45-65 DEG C, add Tea Saponin, sodium metasilicate to stir 30-40 minute to mixing
It is even, it is put into aluminium dihydrogen phosphate and grinds 2-3 hours into slurry；
（3）By step（1）、（2）Reaction mass and other leftover materials mix, and are warming up to 100-120 DEG C, and stirring reaction 1-2 is small
When, cooling, it is 10-20 μm of slurry grain to grind to form particle diameter, is obtained final product.
The present invention has following beneficial effect：The present invention addition carbide slag, wollastonite waited until in raw material, reduces cost, will
The present invention is applied to silk-screen printing, can obtain line width has an imaging precision high, and superior electrical conductivity, tack and bending resistance are led
Electric line, is particularly suited for film substrate.
Specific embodiment
The compound conductive silver paste of described a kind of wollastonite, it is characterised in that be made from the following raw materials in parts by weight：Silver powder
47th, sodium metasilicate 4, carbide slag 3, wollastonite 4, aluminium dihydrogen phosphate 0.6, manganese sulfate 0.3, ferrous sulfate 0.4, oleic acid 5, Tea Saponin
1.1st, tricresyl phosphate 3.2, auxiliary agent 35.
Described auxiliary agent is prepared from the following raw materials in parts by weight：Alundum (Al2O3) 2, boron oxide 4, polyvinyl alcohol 7, rosin 15,
3- aminopropyl trimethoxysilanes 1.5, dimethyl silicone polymer 0.3, acetone 12, cyclohexanone 8, its preparation method are by three oxygen
Change during two aluminium, boron oxide are put into calcining furnace and be cooled to room temperature in calcining 1-2 hours at 520-610 DEG C, taking-up, add polyethylene
Alcohol grinds 20-40 minutes；Cyclohexanone, rosin are mixed, is reacted 2-3 hours at 100-120 DEG C, be cooled to 40-50 DEG C, plus
Enter acetone, 3- aminopropyl trimethoxysilanes, dimethyl silicone polymer, keeping temperature is stirred 3-4 hours；Will each reaction above
Product mixes, and grinds 2-4 hours prepared 300-400 mesh slurry and obtains final product.
Preparation method is comprised the following steps：
（1）Power taking rock ballast, wollastonite are sintered 2-3 hours in being put into calcining furnace at 650-710 DEG C, take out cooling, add sulfuric acid
Ferrous, manganese sulfate grinds 1-2 hours together；
（2）Take oleic acid, tricresyl phosphate and be heated to 45-65 DEG C, add Tea Saponin, sodium metasilicate to stir 30-40 minute to mixing
It is even, it is put into aluminium dihydrogen phosphate and grinds 2-3 hours into slurry；
（3）By step（1）、（2）Reaction mass and other leftover materials mix, and are warming up to 100-120 DEG C, and stirring reaction 1- is small
When, cooling, it is 10-20 μm of slurry grain to grind to form particle diameter, is obtained final product.
The technical indicator for processing the conductive silver paste for obtaining by above-described embodiment is as follows：
（1）Viscosity：50-100PaS（Brookfield, 10RPM）；
（2）Adhesive force：＞ 10N/mm2；
（3）Lead cadmium content：＜ 100ppm；
（4）Solderability is excellent, easily separated, printing adaptability burnt in a heap is good and solvent resistance is excellent.
Claims (1)
1. the conductive silver paste that a kind of wollastonite is combined, it is characterised in that be made from the following raw materials in parts by weight：Silver powder 40-55, silicon
Sour sodium 2-4, carbide slag 1-3, wollastonite 3-5, aluminium dihydrogen phosphate 0.4-0.9, manganese sulfate 0.3-0.6, ferrous sulfate 0.4-0.8,
Oleic acid 3-6, Tea Saponin 1.1-2.1, tricresyl phosphate 3.2-5.4, auxiliary agent 30-40；Described auxiliary agent is former by following weight portion
Material is made：Alundum (Al2O3) 2-3, boron oxide 3-5, polyvinyl alcohol 7-9, rosin 14-18,3- aminopropyl trimethoxysilane
1.2-2.4, dimethyl silicone polymer 0.3-0.4, acetone 9-14, cyclohexanone 7-10, its preparation method are by alundum (Al2O3), oxygen
Change during boron is put into calcining furnace and be cooled to room temperature in calcining 1-2 hours at 520-610 DEG C, taking-up, add polyvinyl alcohol grinding 20-
40 minutes；Cyclohexanone, rosin are mixed, is reacted 2-3 hours at 100-120 DEG C, be cooled to 40-50 DEG C, add acetone, 3-
Aminopropyl trimethoxysilane, dimethyl silicone polymer, keeping temperature are stirred 3-4 hours；Each product will mix above,
Grinding is obtained 300-400 mesh slurries for 2-4 hours and obtains final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611123785.7A CN106782743A (en) | 2016-12-08 | 2016-12-08 | Compound conductive silver paste of a kind of wollastonite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611123785.7A CN106782743A (en) | 2016-12-08 | 2016-12-08 | Compound conductive silver paste of a kind of wollastonite and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106782743A true CN106782743A (en) | 2017-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611123785.7A Pending CN106782743A (en) | 2016-12-08 | 2016-12-08 | Compound conductive silver paste of a kind of wollastonite and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724913A (en) * | 2021-09-07 | 2021-11-30 | 赵庆亮 | Preparation method of high-dispersion silver powder and conductive silver paste for solar cell |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157324A (en) * | 2014-07-30 | 2014-11-19 | 安徽状元郎电子科技有限公司 | Chlorite powder conductive silver paste and manufacturing method thereof |
| CN104157329A (en) * | 2014-07-30 | 2014-11-19 | 安徽状元郎电子科技有限公司 | Conductive silver paste compounded by calcium carbide sludge/wollastonite and preparation method for conductive silver paste |
| CN104392766A (en) * | 2014-10-17 | 2015-03-04 | 阜阳市节源照明电器有限责任公司 | High-hardness conductive silver paste containing chromium powders and manufacturing method thereof |
-
2016
- 2016-12-08 CN CN201611123785.7A patent/CN106782743A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157324A (en) * | 2014-07-30 | 2014-11-19 | 安徽状元郎电子科技有限公司 | Chlorite powder conductive silver paste and manufacturing method thereof |
| CN104157329A (en) * | 2014-07-30 | 2014-11-19 | 安徽状元郎电子科技有限公司 | Conductive silver paste compounded by calcium carbide sludge/wollastonite and preparation method for conductive silver paste |
| CN104392766A (en) * | 2014-10-17 | 2015-03-04 | 阜阳市节源照明电器有限责任公司 | High-hardness conductive silver paste containing chromium powders and manufacturing method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113724913A (en) * | 2021-09-07 | 2021-11-30 | 赵庆亮 | Preparation method of high-dispersion silver powder and conductive silver paste for solar cell |
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Application publication date: 20170531 |