CN104392765A - Silicon-nitride-contained oxidation-resistant conductive silver paste and manufacturing method thereof - Google Patents
Silicon-nitride-contained oxidation-resistant conductive silver paste and manufacturing method thereof Download PDFInfo
- Publication number
- CN104392765A CN104392765A CN201410551818.2A CN201410551818A CN104392765A CN 104392765 A CN104392765 A CN 104392765A CN 201410551818 A CN201410551818 A CN 201410551818A CN 104392765 A CN104392765 A CN 104392765A
- Authority
- CN
- China
- Prior art keywords
- hour
- silver paste
- conductive silver
- parts
- silicon nitride
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Conductive Materials (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a silicon-nitride-contained oxidation-resistant conductive silver paste. The conductive silver paste is characterized in that the paste comprises, by weight, 40 to 50 parts of silver powders, 1.2 to 3.5 parts of lithium manganese phosphate, 0.4 to 0.7 parts of chitin, 1.3 to 2.6 parts of chitosan oligosaccharide, 3 to 5 parts of lithium silicate, 1.3 to 2.4 parts of silicon carbide, 0.5 to 0.8 parts of silicon nitride, 3 to 5 parts of distearyl thiodipropionate, and 30 to 40 parts of auxiliary agents. According to the invention, the silicon nitride is added and thus the conductive silver paste has the oxidation-resistant function. Therefore, the prepared conductive silver paste has advantages of excellent electrical conductivity, low resistance, low operating temperature, and high thermal conductivity.
Description
Technical field
The present invention relates to conductive silver paste field, be specifically related to anti-oxidant conductive silver paste of a kind of silicon nitride 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 generally be imprinted on the non-conductive stocks such as plastics, glass, pottery or cardboard, it is made up of electroconductive stuffing, binder, solvent and additive.Conductive silver paste needs the characteristic possessed to have: conductivity (antistatic behaviour) is good, strong adhesion, printing adaptability are good and solvent resistance superior properties, and existing conductive silver paste has a lot of shortcoming in the market, not only containing lead, cadmium etc. and poisonous, contaminated environment, and when being used on conduction stock, adhesive force is low, soldering resistance is not good, sintering character is poor.
Summary of the invention
Object of the present invention is just to provide anti-oxidant conductive silver paste of a kind of silicon nitride and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The anti-oxidant conductive silver paste of a kind of silicon nitride, it is characterized in that, be made up of the raw material of following weight portion: silver powder 40-50, lithium manganese phosphate 1.2-3.5, chitin 0.4-0.7, chitosan oligosaccharide 1.3-2.6, lithium metasilicate 3-5, carborundum 1.3-2.4, silicon nitride 0.5-0.8, thio-2 acid two octadecyl 3-5, auxiliary agent 30-40.
Described auxiliary agent is made up of following raw materials in part by weight: zirconium dioxide 0.3-0.5, nickel oxide 1-3, white carbon 1-3, polymethacrylates 0.3-0.6, Tissuemat E 0.4-0.8, DGDE acetate 5-8, polysiloxanes 0.2-0.3, polyethylene glycol 9-13, its preparation method is that zirconium dioxide, nickel oxide are put into calciner and calcine 1-2 hour at 540-650 DEG C, taking-up is cooled to room temperature, adds white carbon grinding 20-40 minute; DGDE acetate, polyethylene glycol are stirred and evenly mixed, at 150-185 DEG C, reacts 2-3 hour, be cooled to 75-85 DEG C, add polymethacrylates, Tissuemat E, polysiloxanes, keep temperature to stir 3-4 hour; By above each product mixing, grind 2-4 hour obtained 300-400 order slurry and get final product.
The preparation method of the described anti-oxidant conductive silver paste of a kind of silicon nitride, is characterized in that comprising the following steps:
(1) get carborundum 3-4, silicon nitride puts into calciner and sinter 2-3 hour at 680-740 DEG C, take out cooling, add lithium metasilicate and grind 1-2 hour together;
(2) get the two octadecyl of thio-2 acid and be heated to 55-65 DEG C, add chitin, chitosan oligosaccharide stirring puts into lithium manganese phosphate grinding 2-3 hour pulping to mixing in 30-40 minute;
(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 μm of slurry grain, to obtain final product.
The present invention has following beneficial effect: the present invention adds silicon nitride and has anti-oxidation function, and obtained conductive silver paste has that conductivity is good, resistance is little, and has very low operating temperature and its thermal conductivity is very high.
Embodiment
The described anti-oxidant conductive silver paste of a kind of silicon nitride, it is characterized in that, be made up of the raw material of following weight portion: silver powder 43, lithium manganese phosphate 1.5, chitin 0.47, chitosan oligosaccharide 1.6, lithium metasilicate 3, carborundum 1.3, silicon nitride 0.5, thio-2 acid two octadecyl 3, auxiliary agent 32.
Described auxiliary agent is made up of following raw materials in part by weight: zirconium dioxide 0.4, nickel oxide 1, white carbon 2, polymethacrylates 0.5, Tissuemat E 0.7, DGDE acetate 8, polysiloxanes 0.2, polyethylene glycol 13, its preparation method is that zirconium dioxide, nickel oxide are put into calciner and calcine 1-2 hour at 540-650 DEG C, taking-up is cooled to room temperature, adds white carbon grinding 20-40 minute; DGDE acetate, polyethylene glycol are stirred and evenly mixed, at 150-185 DEG C, reacts 2-3 hour, be cooled to 75-85 DEG C, add polymethacrylates, Tissuemat E, polysiloxanes, keep temperature to stir 3-4 hour; By above each product mixing, grind 2-4 hour obtained 300-400 order slurry and get final product.
Manufacture method comprises the following steps:
(1) get carborundum 3-4, silicon nitride puts into calciner and sinter 2-3 hour at 680-740 DEG C, take out cooling, add lithium metasilicate and grind 1-2 hour together;
(2) get the two octadecyl of thio-2 acid and be heated to 55-65 DEG C, add chitin, chitosan oligosaccharide stirring puts into lithium manganese phosphate grinding 2-3 hour pulping to mixing in 30-40 minute;
(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 μm of slurry grain, to obtain final product.
The technical indicator of being processed the conductive silver paste obtained 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.
Claims (2)
1. the anti-oxidant conductive silver paste of silicon nitride, it is characterized in that, be made up of the raw material of following weight portion: silver powder 40-50, lithium manganese phosphate 1.2-3.5, chitin 0.4-0.7, chitosan oligosaccharide 1.3-2.6, lithium metasilicate 3-5, carborundum 1.3-2.4, silicon nitride 0.5-0.8, thio-2 acid two octadecyl 3-5, auxiliary agent 30-40; Described auxiliary agent is made up of following raw materials in part by weight: zirconium dioxide 0.3-0.5, nickel oxide 1-3, white carbon 1-3, polymethacrylates 0.3-0.6, Tissuemat E 0.4-0.8, DGDE acetate 5-8, polysiloxanes 0.2-0.3, polyethylene glycol 9-13, its preparation method is that zirconium dioxide, nickel oxide are put into calciner and calcine 1-2 hour at 540-650 DEG C, taking-up is cooled to room temperature, adds white carbon grinding 20-40 minute; DGDE acetate, polyethylene glycol are stirred and evenly mixed, at 150-185 DEG C, reacts 2-3 hour, be cooled to 75-85 DEG C, add polymethacrylates, Tissuemat E, polysiloxanes, keep temperature to stir 3-4 hour; By above each product mixing, grind 2-4 hour obtained 300-400 order slurry and get final product.
2. the manufacture method of the anti-oxidant conductive silver paste of a kind of silicon nitride according to claim 1, is characterized in that comprising the following steps:
(1) get carborundum 3-4, silicon nitride puts into calciner and sinter 2-3 hour at 680-740 DEG C, take out cooling, add lithium metasilicate and grind 1-2 hour together;
(2) get the two octadecyl of thio-2 acid and be heated to 55-65 DEG C, add chitin, chitosan oligosaccharide stirring puts into lithium manganese phosphate grinding 2-3 hour pulping to mixing in 30-40 minute;
(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 μm of slurry grain, to obtain final product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410551818.2A CN104392765A (en) | 2014-10-17 | 2014-10-17 | Silicon-nitride-contained oxidation-resistant conductive silver paste and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410551818.2A CN104392765A (en) | 2014-10-17 | 2014-10-17 | Silicon-nitride-contained oxidation-resistant conductive silver paste and manufacturing method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104392765A true CN104392765A (en) | 2015-03-04 |
Family
ID=52610651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410551818.2A Pending CN104392765A (en) | 2014-10-17 | 2014-10-17 | Silicon-nitride-contained oxidation-resistant conductive silver paste and manufacturing method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104392765A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002197922A (en) * | 2000-12-26 | 2002-07-12 | Kyocera Corp | Conductive paste and method for manufacturing of ceramic circuit board |
CN101393942A (en) * | 2008-11-05 | 2009-03-25 | 南京航空航天大学 | Polycrystalline-silicon carbide lamination thin-film solar cell |
CN103746005A (en) * | 2014-01-17 | 2014-04-23 | 宁波富星太阳能有限公司 | Dual-layer SiN antireflection film and preparing method thereof |
CN103996425A (en) * | 2014-04-24 | 2014-08-20 | 安徽为民磁力科技有限公司 | Nanometer carbon-containing circuit board conductive silver paste and preparation method thereof |
CN104036845A (en) * | 2014-05-12 | 2014-09-10 | 铜陵市超远精密电子科技有限公司 | PCB (Printed Circuit Board) silver paste and manufacturing method thereof |
CN104091627A (en) * | 2014-06-30 | 2014-10-08 | 合肥中南光电有限公司 | Lead-free conductive silver paste used for crystalline silicon solar cell and manufacturing method of lead-free conductive silver paste |
-
2014
- 2014-10-17 CN CN201410551818.2A patent/CN104392765A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002197922A (en) * | 2000-12-26 | 2002-07-12 | Kyocera Corp | Conductive paste and method for manufacturing of ceramic circuit board |
CN101393942A (en) * | 2008-11-05 | 2009-03-25 | 南京航空航天大学 | Polycrystalline-silicon carbide lamination thin-film solar cell |
CN103746005A (en) * | 2014-01-17 | 2014-04-23 | 宁波富星太阳能有限公司 | Dual-layer SiN antireflection film and preparing method thereof |
CN103996425A (en) * | 2014-04-24 | 2014-08-20 | 安徽为民磁力科技有限公司 | Nanometer carbon-containing circuit board conductive silver paste and preparation method thereof |
CN104036845A (en) * | 2014-05-12 | 2014-09-10 | 铜陵市超远精密电子科技有限公司 | PCB (Printed Circuit Board) silver paste and manufacturing method thereof |
CN104091627A (en) * | 2014-06-30 | 2014-10-08 | 合肥中南光电有限公司 | Lead-free conductive silver paste used for crystalline silicon solar cell and manufacturing method of lead-free conductive silver paste |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104078102A (en) | Modified nanometer carbon conductive silver paste and preparation method thereof | |
CN101937933A (en) | High-viscosity silver aluminum paste for solar battery back electrodes and preparation method thereof | |
CN104143372B (en) | A kind of modified mullite conductive silver paste and preparation method thereof | |
CN104091627A (en) | Lead-free conductive silver paste used for crystalline silicon solar cell and manufacturing method of lead-free conductive silver paste | |
CN104157322A (en) | Aluminium powder/sericite powder composite conductive silver paste and preparation method thereof | |
CN104073062A (en) | Attapulgite low-temperature-curing conductive silver paste and manufacturing method thereof | |
CN104078095A (en) | Conductive oxygen-free ceramic powder/nano-graphite composite conductive silver paste and preparing method thereof | |
CN104078100A (en) | Graphite powder/calcite composite low-halogen-content conductive silver paste and manufacturing method thereof | |
CN104078101B (en) | A kind of conductive silver paste of aluminium oxide/Barium monoxide compound and preparation method thereof | |
CN104392765A (en) | Silicon-nitride-contained oxidation-resistant conductive silver paste and manufacturing method thereof | |
CN104392764A (en) | Wear-resistant conductive silver paste and manufacturing method thereof | |
CN104157324B (en) | A kind of green mud stone powder conductive silver paste and preparation method thereof | |
CN104157323A (en) | Silica powder corrosion-resistant conductive slurry and manufacturing method thereof | |
CN104200872A (en) | Conductive silver paste with high adhesiveness and manufacturing method of conductive silver paste | |
CN104143378A (en) | Low-temperature setting zinc oxide conductive silver paste and preparing method thereof | |
CN104167238B (en) | High-temperature-resistance low-square-resistance conductive silver slurry and preparation method for the same | |
CN104157325B (en) | Compound conductive silver paste of a kind of copper powder/pearl powder and preparation method thereof | |
CN104200874A (en) | Conductive silver paste added with manganese oxide ores and production method of conductive silver paste | |
CN104112488B (en) | Conductive silver paste that a kind of plant ash/argentum powder is compound and preparation method thereof | |
CN104078094A (en) | Nanometer titanium powder low-temperature conductive silver paste and preparing method thereof | |
CN104143373B (en) | Conductive silver paste that a kind of Concha Ostreae/fluor-apatite is compound and preparation method thereof | |
CN104143386A (en) | High-conductivity ferric oxide conductive silver paste and preparation method thereof | |
CN104167236B (en) | Conductive silver paste that a kind of bamboo charcoal powder/vitriol ore deposit tailings is compound and preparation method thereof | |
CN106782743A (en) | Compound conductive silver paste of a kind of wollastonite and preparation method thereof | |
CN104143371A (en) | Carbon nano tube conductive silver paste and manufacturing method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150304 |
|
RJ01 | Rejection of invention patent application after publication |