CN104078101A - Aluminum oxide/barium oxide composite conductive silver paste and preparing method thereof - Google Patents
Aluminum oxide/barium oxide composite conductive silver paste and preparing method thereof Download PDFInfo
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- CN104078101A CN104078101A CN201410303309.8A CN201410303309A CN104078101A CN 104078101 A CN104078101 A CN 104078101A CN 201410303309 A CN201410303309 A CN 201410303309A CN 104078101 A CN104078101 A CN 104078101A
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Abstract
The invention discloses aluminum oxide/barium oxide composite conductive silver paste. The silver paste is prepared from, by weight, 40 parts to 50 parts of silver powder. 1.4 parts to 2.6 parts of barium oxide, 3 parts to 4 parts of aluminum oxide, 2.1 parts to 3.4 parts of tributyl borate, 0.4 part to 0.7 part of bismuth nitrate, 0.5 part to 1.2 parts of fatty alcohol polyoxyethylene ether, 0.6 part to 2.1 parts of sodium sulfate, 2 parts to 4 parts of dimethyl silicone oil, 1 part to 3 parts of lithium carbonate, 1.2 parts to 2.5 parts of chlorinated paraffin, 3 parts to 5 parts of vulcanized isobutylene, 30 parts to 40 parts of additives and an appropriate amount of water. The prepared conductive silver paste has the advantages of being excellent in conductive performance, good in adhesive force, free of lead and cadmium and the like. The preparing method is simple in technology, small in equipment investment, low in raw material cost, high in production efficiency, capable of achieving fast mass production and applicable to industrialized large-scale production.
Description
Technical field
The present invention relates to conductive silver paste field, be specifically related to compound conductive silver paste of a kind of aluminium oxide/barium monoxide 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 made up of electroconductive stuffing, binder, solvent and additive.The characteristic that need to possess when conductive silver paste has: conductivity (antistatic behaviour) is good, strong adhesion, printing adaptability are 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 use conduction stock on time adhesive force low, soldering resistance is not good, sintering character is poor.
Summary of the invention
Object of the present invention is just to provide compound conductive silver paste of a kind of aluminium oxide/barium monoxide and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The conductive silver paste that a kind of aluminium oxide/barium monoxide is compound, it is characterized in that, made by the raw material of following weight portion: silver powder 40-50, barium monoxide 1.4-2.6, aluminium oxide 3-4, butyl borate 2.1-3.4, bismuth nitrate 0.4-0.7, AEO 0.5-1.2, sodium sulphate 0.6-2.1, dimethicone 2-4, lithium carbonate 1-3, chlorinated paraffin wax 1.2-2.5, sulfide isobutene 3-5, auxiliary agent 30-40, suitable quantity of water.
Described auxiliary agent is made up of following raw materials in part by weight: bismuth oxide 2-3, boron oxide 3-4, ethyl cellulose 0.8-1.4, lauryl sodium sulfate 0.3-0.4, repefral 0.2-0.4, lecithin 0.3-0.5, polysiloxanes 0.2-0.3, terpinol 20-25, its preparation method is bismuth oxide and boron oxide to be put into calciner at 520-610 DEG C, calcine 1-2 hour, taking-up is cooled to room temperature, adds ethyl cellulose to grind 20-40 minute; Repefral, terpinol are stirred and evenly mixed, at 140-190 DEG C, react 2-3 hour, be cooled to 80-100 DEG C, add lecithin, polysiloxanes, lauryl sodium sulfate, 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 compound conductive silver paste of described a kind of aluminium oxide/barium monoxide, is characterized in that comprising the following steps:
(1) get aluminium oxide and add suitable quantity of water and grind and within 2-3 hour, make 200-300 order slurry, add barium monoxide, sodium sulphate to continue to grind 3-4 hour, spraying is dry, dries, and sends in calciner sintering 2-3 hour at 380-410 DEG C;
(2) get dimethicone, sulfide isobutene and put into reactor and be heated to 55-75 DEG C and stir and evenly mix, add butyl borate, AEO, chlorinated paraffin wax, insulated and stirred 30-50 minute, the cooling lithium carbonate that adds grinds pulping;
(3) step (1), (2) reaction mass and other leftover materials are mixed, be warming up to 100-120 DEG C, stirring reaction 1-2 hour, cooling, grinding to form particle diameter is 10-20 μ m slurry grain, to obtain final product.
The present invention has following beneficial effect: the present invention makes conductive silver paste and has that conductivity is excellent, adhesive force good, unleaded, without advantages such as cadmiums, and preparation method's technique of the present invention is simple, equipment investment is few, cost of material is relatively low, productivity ratio is high, and volume production is fast applicable to large-scale industrialization and produces.
Embodiment
The described compound conductive silver paste of a kind of aluminium oxide/barium monoxide, it is characterized in that, made by the raw material of following weight portion: silver powder 47, barium monoxide 2.6, aluminium oxide 3, butyl borate 2.1, bismuth nitrate 0.7, AEO 1.1, sodium sulphate 2.1, dimethicone 2, lithium carbonate 3, chlorinated paraffin wax 1.2, sulfide isobutene 3, auxiliary agent 30, suitable quantity of water.
Described auxiliary agent is made up of following raw materials in part by weight: bismuth oxide 2, boron oxide 3, ethyl cellulose 0.9, lauryl sodium sulfate 0.3, repefral 0.4, lecithin 0.3, polysiloxanes 0.3, terpinol 24, its preparation method is bismuth oxide and boron oxide to be put into calciner at 520-610 DEG C, calcine 1-2 hour, taking-up is cooled to room temperature, adds ethyl cellulose to grind 20-40 minute; Repefral, terpinol are stirred and evenly mixed, at 140-190 DEG C, react 2-3 hour, be cooled to 80-100 DEG C, add lecithin, polysiloxanes, lauryl sodium sulfate, 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 aluminium oxide and add suitable quantity of water and grind and within 2-3 hour, make 200-300 order slurry, add barium monoxide, sodium sulphate to continue to grind 3-4 hour, spraying is dry, dries, and sends in calciner sintering 2-3 hour at 380-410 DEG C;
(2) get dimethicone, sulfide isobutene and put into reactor and be heated to 55-75 DEG C and stir and evenly mix, add butyl borate, AEO, chlorinated paraffin wax, insulated and stirred 30-50 minute, the cooling lithium carbonate that adds grinds pulping;
(3) step (1), (2) reaction mass and other leftover materials are mixed, be warming up to 100-120 DEG C, stirring reaction 1-2 hour, cooling, grinding to form particle diameter is 10-20 μ m slurry grain, to obtain final product.
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) plumbous cadmium content: < 100ppm;
(4) solderability excellent, burnt in a heap easily separated, printing adaptability good and solvent resistance is excellent.
Claims (2)
1. the conductive silver paste that aluminium oxide/barium monoxide is compound, it is characterized in that, made by the raw material of following weight portion: silver powder 40-50, barium monoxide 1.4-2.6, aluminium oxide 3-4, butyl borate 2.1-3.4, bismuth nitrate 0.4-0.7, AEO 0.5-1.2, sodium sulphate 0.6-2.1, dimethicone 2-4, lithium carbonate 1-3, chlorinated paraffin wax 1.2-2.5, sulfide isobutene 3-5, auxiliary agent 30-40, suitable quantity of water; Described auxiliary agent is made up of following raw materials in part by weight: bismuth oxide 2-3, boron oxide 3-4, ethyl cellulose 0.8-1.4, lauryl sodium sulfate 0.3-0.4, repefral 0.2-0.4, lecithin 0.3-0.5, polysiloxanes 0.2-0.3, terpinol 20-25, its preparation method is bismuth oxide and boron oxide to be put into calciner at 520-610 DEG C, calcine 1-2 hour, taking-up is cooled to room temperature, adds ethyl cellulose to grind 20-40 minute; Repefral, terpinol are stirred and evenly mixed, at 140-190 DEG C, react 2-3 hour, be cooled to 80-100 DEG C, add lecithin, polysiloxanes, lauryl sodium sulfate, 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 compound conductive silver paste of a kind of aluminium oxide/barium monoxide according to claim 1, is characterized in that comprising the following steps:
(1) get aluminium oxide and add suitable quantity of water and grind and within 2-3 hour, make 200-300 order slurry, add barium monoxide, sodium sulphate to continue to grind 3-4 hour, spraying is dry, dries, and sends in calciner sintering 2-3 hour at 380-410 DEG C;
(2) get dimethicone, sulfide isobutene and put into reactor and be heated to 55-75 DEG C and stir and evenly mix, add butyl borate, AEO, chlorinated paraffin wax, insulated and stirred 30-50 minute, the cooling lithium carbonate that adds grinds pulping;
(3) step (1), (2) reaction mass and other leftover materials are mixed, be warming up to 100-120 DEG C, stirring reaction 1-2 hour, cooling, grinding to form particle diameter is 10-20 μ m slurry grain, to obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410303309.8A CN104078101B (en) | 2014-06-30 | 2014-06-30 | A kind of conductive silver paste of aluminium oxide/Barium monoxide compound and preparation method thereof |
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| CN201410303309.8A CN104078101B (en) | 2014-06-30 | 2014-06-30 | A kind of conductive silver paste of aluminium oxide/Barium monoxide compound and preparation method thereof |
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| CN104078101B CN104078101B (en) | 2016-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376893A (en) * | 2014-10-17 | 2015-02-25 | 阜阳市节源照明电器有限责任公司 | Diatomaceous earth/ferric oxide composite conductive silver paste and manufacturing method thereof |
| CN108878064A (en) * | 2018-07-03 | 2018-11-23 | 贵州大学 | A kind of ardealite and coal ash for manufacturing for conductive silver paste material co-producing sulfuric acid technique |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005085360A1 (en) * | 2004-03-09 | 2005-09-15 | Jsr Corporation | Composition containing inorganic powder, transfer film, and method of forming inorganic sinter |
| CN101891390A (en) * | 2009-12-31 | 2010-11-24 | 四川虹欧显示器件有限公司 | Lead-free medium slurry and manufacturing method thereof |
| CN101898890A (en) * | 2010-04-13 | 2010-12-01 | 刘先兵 | Aluminum oxide ceramic for semiconductor equipment and preparation technology thereof |
| CN102831954A (en) * | 2012-08-24 | 2012-12-19 | 合肥中南光电有限公司 | Silver paste on back of crystalline silicon solar cell and preparation method of silver paste |
-
2014
- 2014-06-30 CN CN201410303309.8A patent/CN104078101B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005085360A1 (en) * | 2004-03-09 | 2005-09-15 | Jsr Corporation | Composition containing inorganic powder, transfer film, and method of forming inorganic sinter |
| CN101891390A (en) * | 2009-12-31 | 2010-11-24 | 四川虹欧显示器件有限公司 | Lead-free medium slurry and manufacturing method thereof |
| CN101898890A (en) * | 2010-04-13 | 2010-12-01 | 刘先兵 | Aluminum oxide ceramic for semiconductor equipment and preparation technology thereof |
| CN102831954A (en) * | 2012-08-24 | 2012-12-19 | 合肥中南光电有限公司 | Silver paste on back of crystalline silicon solar cell and preparation method of silver paste |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376893A (en) * | 2014-10-17 | 2015-02-25 | 阜阳市节源照明电器有限责任公司 | Diatomaceous earth/ferric oxide composite conductive silver paste and manufacturing method thereof |
| CN108878064A (en) * | 2018-07-03 | 2018-11-23 | 贵州大学 | A kind of ardealite and coal ash for manufacturing for conductive silver paste material co-producing sulfuric acid technique |
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| CN104078101B (en) | 2016-07-06 |
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Denomination of invention: Aluminum oxide/barium oxide composite conductive silver paste and preparing method thereof Effective date of registration: 20180207 Granted publication date: 20160706 Pledgee: Hefei state control construction finance Company limited by guarantee Pledgor: Chinaland Solar Energy Co., Ltd. Registration number: 2018340000047 |
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Date of cancellation: 20190328 Granted publication date: 20160706 Pledgee: Hefei state control construction finance Company limited by guarantee Pledgor: Chinaland Solar Energy Co., Ltd. Registration number: 2018340000047 |