CN104143386A - High-conductivity ferric oxide conductive silver paste and preparation method thereof - Google Patents
High-conductivity ferric oxide conductive silver paste and preparation method thereof Download PDFInfo
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- CN104143386A CN104143386A CN201410368694.4A CN201410368694A CN104143386A CN 104143386 A CN104143386 A CN 104143386A CN 201410368694 A CN201410368694 A CN 201410368694A CN 104143386 A CN104143386 A CN 104143386A
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Abstract
The invention discloses high-conductivity ferric oxide conductive silver paste. The high-conductivity ferric oxide conductive silver paste is characterized by comprising, by weight, 40-50 parts of silver powder, 1.2-3.4 parts of silver molybdate, 2.1-4.2 parts of ferric oxide, 0.4-0.8 part of sodium selenite, 0.7-1.2 parts of sodium carbonate, 3-5 parts of lauryl alcohol polyoxyethylene ether, 4-7 parts of ethylene glycol dimethacrylate, 0.8-2.1 parts of disodium hydrogen phosphate, 30-40 parts of additives and a proper amount of water. The conductive silver paste is excellent in conductivity, good in adhesive force and complete and compatible in function, the cost of a solar cell of which the positive electrode is prepared through the conductive silver paste is largely lowered, and the conductive silver paste better meets the requirement of large-scale photovoltaic application.
Description
Technical field
The present invention relates to conductive silver paste field, be specifically related to strong conductivity conductive silver paste of a kind of di-iron trioxide and preparation method thereof.
Background technology
Conductive silver paste refers to and is printed on conduction stock, make it the silver slurry that there is conduction current and get rid of accumulate static charge ability, be to be generally imprinted on the non-conductive stocks such as plastics, glass, pottery or cardboard, it is comprised of electroconductive stuffing, binder, solvent and additive.The characteristic that conductive silver paste need to possess has: conductivity (antistatic behaviour) is good, strong adhesion, printing adaptability is good and the excellent characteristic of solvent resistance, and existing conductive silver paste has a lot of shortcomings in the market, not only contain lead, cadmium etc. and poisonous, contaminated environment, and adhesive force is low, soldering resistance is not good while using on conduction stock, sintering character is poor.
Summary of the invention
Object of the present invention is just to provide strong conductivity conductive silver paste of a kind of di-iron trioxide and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The strong conductivity conductive silver paste of a kind of di-iron trioxide, it is characterized in that, by the raw material of following weight portion, made: silver powder 40-50, silver molybdate 1.2-3.4, di-iron trioxide 2.1-4.2, sodium selenite 0.4-0.8, sodium carbonate 0.7-1.2, ethoxylated dodecyl alcohol 3-5, Ethylene glycol dimethacrylate 4-7, sodium hydrogen phosphate 0.8-2.1, auxiliary agent 30-40, suitable quantity of water.
Described auxiliary agent is made by following raw materials in part by weight: 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 is alundum (Al2O3), boron oxide to be put into calciner at 520-610 ℃, calcine 1-2 hour, taking-up is cooled to room temperature, adds polyvinyl alcohol to grind 20-40 minute; Cyclohexanone, rosin are mixed, at 100-120 ℃, react 2-3 hour, be cooled to 40-50 ℃, add acetone, 3-aminopropyl trimethoxysilane, dimethyl silicone polymer, keep temperature to stir 3-4 hour; Above each product is mixed, grind and make 300-400 order slurry and get final product for 2-4 hour.
The preparation method of the described strong conductivity conductive silver paste of a kind of di-iron trioxide, is characterized in that comprising the following steps:
(1) get di-iron trioxide, sodium selenite and add suitable quantity of water and grind pulping, granulation, puts into calciner sintering 2-3 hour at 650-710 ℃, takes out coolingly, adds sodium carbonate to grind together 1-2 hour;
(2) get ethoxylated dodecyl alcohol, Ethylene glycol dimethacrylate is heated to 45-55 ℃, adds sodium hydrogen phosphate to stir 30-40 minute to mixing, put into silver molybdate and grind 2-3 hour pulping;
(3) step (1), (2) reaction mass and other leftover materials are mixed, be warming up to 100-120 ℃, stirring reaction 1-2 hour, cooling, grinding to form particle diameter is 10-20 μ m slurry grain, obtains.
The present invention has following beneficial effect: conductive silver paste conductivity of the present invention is excellent, adhesive force is good, complete function is compatible, and the solar cell cost of preparing front electrode with this conductive silver paste declines to a great extent, and is more applicable to the demand of photovoltaic large-scale application.
Embodiment
The strong conductivity conductive silver paste of described a kind of di-iron trioxide, it is characterized in that, by the raw material of following weight portion, made: silver powder 49, silver molybdate 1.7, di-iron trioxide 2.8, sodium selenite 0.7, sodium carbonate 1.2, ethoxylated dodecyl alcohol 5, Ethylene glycol dimethacrylate 4, sodium hydrogen phosphate 2.1, auxiliary agent 30, suitable quantity of water.
Described auxiliary agent is made by following raw materials in part by weight: alundum (Al2O3) 2, boron oxide 4, polyvinyl alcohol 7, rosin 17,3-aminopropyl trimethoxysilane 1.7, dimethyl silicone polymer 0.3, acetone 9, cyclohexanone 10, its preparation method is alundum (Al2O3), boron oxide to be put into calciner at 520-610 ℃, calcine 1-2 hour, taking-up is cooled to room temperature, adds polyvinyl alcohol to grind 20-40 minute; Cyclohexanone, rosin are mixed, at 100-120 ℃, react 2-3 hour, be cooled to 40-50 ℃, add acetone, 3-aminopropyl trimethoxysilane, dimethyl silicone polymer, keep temperature to stir 3-4 hour; Above each product is mixed, grind and make 300-400 order slurry and get final product for 2-4 hour.
Manufacture method comprises the following steps:
(1) get di-iron trioxide, sodium selenite and add suitable quantity of water and grind pulping, granulation, puts into calciner sintering 2-3 hour at 650-710 ℃, takes out coolingly, adds sodium carbonate to grind together 1-2 hour;
(2) get ethoxylated dodecyl alcohol, Ethylene glycol dimethacrylate is heated to 45-55 ℃, adds sodium hydrogen phosphate to stir 30-40 minute to mixing, put into silver molybdate and grind 2-3 hour pulping;
(3) step (1), (2) reaction mass and other leftover materials are mixed, be warming up to 100-120 ℃, stirring reaction 1-2 hour, cooling, grinding to form particle diameter is 10-20 μ m slurry grain, obtains.
The technical indicator of processing the conductive silver paste obtaining by above-described embodiment is as follows:
(1) viscosity: 50-100PaS(Brookfield, 10RPM);
(2) adhesive force: > 10N/mm
2;
(3) sheet resistance: < 5m Ω/c;
(4) plumbous cadmium content: < 100ppm;
(5) solderability excellent, burnt in a heap easily separated, printing adaptability good and solvent resistance is excellent.
Claims (2)
1. the strong conductivity conductive silver paste of di-iron trioxide, it is characterized in that, by the raw material of following weight portion, made: silver powder 40-50, silver molybdate 1.2-3.4, di-iron trioxide 2.1-4.2, sodium selenite 0.4-0.8, sodium carbonate 0.7-1.2, ethoxylated dodecyl alcohol 3-5, Ethylene glycol dimethacrylate 4-7, sodium hydrogen phosphate 0.8-2.1, auxiliary agent 30-40, suitable quantity of water; Described auxiliary agent is made by following raw materials in part by weight: 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 is alundum (Al2O3), boron oxide to be put into calciner at 520-610 ℃, calcine 1-2 hour, taking-up is cooled to room temperature, adds polyvinyl alcohol to grind 20-40 minute; Cyclohexanone, rosin are mixed, at 100-120 ℃, react 2-3 hour, be cooled to 40-50 ℃, add acetone, 3-aminopropyl trimethoxysilane, dimethyl silicone polymer, keep temperature to stir 3-4 hour; Above each product is mixed, grind and make 300-400 order slurry and get final product for 2-4 hour.
2. the manufacture method of the strong conductivity conductive silver paste of a kind of di-iron trioxide according to claim 1, is characterized in that comprising the following steps:
(1) get di-iron trioxide, sodium selenite and add suitable quantity of water and grind pulping, granulation, puts into calciner sintering 2-3 hour at 650-710 ℃, takes out coolingly, adds sodium carbonate to grind together 1-2 hour;
(2) get ethoxylated dodecyl alcohol, Ethylene glycol dimethacrylate is heated to 45-55 ℃, adds sodium hydrogen phosphate to stir 30-40 minute to mixing, put into silver molybdate and grind 2-3 hour pulping;
(3) step (1), (2) reaction mass and other leftover materials are mixed, be warming up to 100-120 ℃, stirring reaction 1-2 hour, cooling, grinding to form particle diameter is 10-20 μ m slurry grain, obtains.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410368694.4A CN104143386A (en) | 2014-07-30 | 2014-07-30 | High-conductivity ferric oxide conductive silver paste and preparation method thereof |
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| CN201410368694.4A CN104143386A (en) | 2014-07-30 | 2014-07-30 | High-conductivity ferric oxide conductive silver paste and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766617A (en) * | 2018-05-31 | 2018-11-06 | 苏州双金实业有限公司 | The front electrode silver slurry and preparation method thereof of highly conductive low-shrinkage used for solar batteries |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831959A (en) * | 2012-08-24 | 2012-12-19 | 合肥中南光电有限公司 | Sliver paste for lead-free environment-friendly solar photovoltaic cells and preparation method of silver paste |
| JP2013122864A (en) * | 2011-12-12 | 2013-06-20 | Sumitomo Metal Mining Co Ltd | Composition for thick film conductor formation, and thick film conductor using the same and manufacturing method thereof |
| CN103236286A (en) * | 2013-04-01 | 2013-08-07 | 安徽拓普森电池有限责任公司 | Conductive sliver paste and preparation method thereof |
| CN103258584A (en) * | 2013-01-09 | 2013-08-21 | 深圳市创智材料科技有限公司 | Electric conductive silver paste and manufacturing method thereof |
| US20140203224A1 (en) * | 2011-09-27 | 2014-07-24 | Tanaka Kikinzoku Kogyo K.K. | Electroconductive Particle and Metal Paste, and Electrode |
-
2014
- 2014-07-30 CN CN201410368694.4A patent/CN104143386A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140203224A1 (en) * | 2011-09-27 | 2014-07-24 | Tanaka Kikinzoku Kogyo K.K. | Electroconductive Particle and Metal Paste, and Electrode |
| JP2013122864A (en) * | 2011-12-12 | 2013-06-20 | Sumitomo Metal Mining Co Ltd | Composition for thick film conductor formation, and thick film conductor using the same and manufacturing method thereof |
| CN102831959A (en) * | 2012-08-24 | 2012-12-19 | 合肥中南光电有限公司 | Sliver paste for lead-free environment-friendly solar photovoltaic cells and preparation method of silver paste |
| CN103258584A (en) * | 2013-01-09 | 2013-08-21 | 深圳市创智材料科技有限公司 | Electric conductive silver paste and manufacturing method thereof |
| CN103236286A (en) * | 2013-04-01 | 2013-08-07 | 安徽拓普森电池有限责任公司 | Conductive sliver paste and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766617A (en) * | 2018-05-31 | 2018-11-06 | 苏州双金实业有限公司 | The front electrode silver slurry and preparation method thereof of highly conductive low-shrinkage used for solar batteries |
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Application publication date: 20141112 |
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