CN1188544C - High temperature antioxidant base metal composition and its production process - Google Patents
High temperature antioxidant base metal composition and its production process Download PDFInfo
- Publication number
- CN1188544C CN1188544C CNB021455201A CN02145520A CN1188544C CN 1188544 C CN1188544 C CN 1188544C CN B021455201 A CNB021455201 A CN B021455201A CN 02145520 A CN02145520 A CN 02145520A CN 1188544 C CN1188544 C CN 1188544C
- Authority
- CN
- China
- Prior art keywords
- silver
- solution
- nickel powder
- deionized water
- reductive agent
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Powder Metallurgy (AREA)
Abstract
The present invention relates to a high-temperature resistant and antioxidant base metal powder composition and a production process thereof. The composition comprises 30 to 54 portions of nickel and 70 to 46 portions of silver, and silver alloy is adopted to form a very thin antioxidant layer on the surfaces of nickel particles; the production method comprises the preparation of a sensitizing solution, an activation solution, a silver-ammonia solution and a reducing agent, and a technology, wherein the technology comprises immersion, stir, acid washing, sensitization, cleaning, activation, stir, cleaning, reduction, heating, vacuumization, heating and product obtainment. The conductivity of electrodes prepared by the present invention reaches the conductivity of electrodes of noble metal, but the cost is 1/10 of the cost of the noble metal; the application of the present invention can greatly reduce the costs of electronic elements of MPT, MLCC, etc. and other electronic products, and greatly promote the development of electronic parts and components, and the electronic products; the present invention has the characteristics of simple technology, low production cost, cofiring of the composition and a porcelain body in atmosphere, and preferable economical benefit and social benefit.
Description
One, technical field
The present invention relates to the low-priced silver-colored nickel powder composition manufacturing method of fire-resistant oxidation resistant, be specially adapted to produce multi-layer piezoelectric transformer (MPT), the production method of the electrode materials in multi-layer capacitor (MLCC) and the multiclass thick-film resistor.
Two, background technology
(1) U.S. Pat-4122232 adopts base metal and boron powder etc. to make agglomerating base metal electrocondution slurry under the atmospheric condition.It is bigger that but subject matter is sheet resistance, so use range is restricted, and can not use in MLCC and MPT product.
(2) domestic Gao Baojiao, Gao Jianfeng " micron order bimetal Cu-Ag powder coating structure and oxidation-resistance thereof " are selected from " Acta PhySico-Chimica Sinica " 2000 16 (4) the 366th pages-369 pages, Liu Zhijie, Zhao Bin " the antioxidant property research of superfine nuclear bimetal Cu-Ag powder " are selected from " Chinese Journal of Inorganic Chemistry " 1997 13 (1) the 32nd pages-37 pages and wait the silver-colored copper-clad technology of studying, their purpose is the anti-oxidant problem of preparation in ultrafine powder, mainly be general experimental research, do not relate to the experimental study of application facet.
(3) scientific and technological result project of Kunming Institute of Precious Metals " argentum composite powder powder material ", item number :-052962, select from " CSTAD ", it adopts the method for electroless plating, at lowpriced metal surfaces such as nickel plating silver layer equably, the mean particle size of the powder of producing can be less than 1 μ m, this composite powder replaces fine silver to prepare conductive resin, can save silver 70%, prepare silver-colored nickel electric contact material with this composite powder, because Ni coated by Ag, realized contacting of Ag and Ag, electroconductibility, physicalies such as processing characteristics make obviously to be improved, but its experiment condition, production technique, purposes, the environment that uses and the present invention have in essence different.
(4) U.S. US5045349 patent documentation is the preparation technology of a kind of silver at the nickel surface coated with silver-nickel combined electrode, and kind electrode is used for alkaline cell.
In sum, pertinent literature does not see that utilizing the nickel particulate material to carry out coated with silver on surface forms the high-temperature oxidation resistant layer, and it can be burnt with porcelain body under atmospheric condition altogether, becomes the report of the electrode slurry that replaces precious metal.
Three, summary of the invention
Goal of the invention of the present invention provides a kind of silver alloys that adopts and forms very thin anti oxidation layer at the nickel particle surface; protect it at high temperature not oxidized, be applicable to that the low-priced silver of fire-resistant oxidation resistant of the electronic component products of burning till at atmosphere coats the nickel powder composition manufacturing method.
The technical scheme that realizes goal of the invention is to solve like this: the low-priced silver of fire-resistant oxidation resistant coats the nickel powder composition manufacturing method, comprise technology and preparation sensitizing solution, activation solution, silver ammino solution, reductive agent, following each component all by weight, the nickel powder weight ratio that contains in the said composition is 30-54 part, the silver-colored weight ratio that contains is 70-46 part, and the nickel powder particle diameter is 0.5-6 μ m; Said sensitizing solution contains tin protochloride 10-25 part, hydrogenchloride 20-50 part, deionized water 900-1100 part; Said activation solution contains Palladous chloride 0.5-2.5 part, hydrogenchloride 10-100 part, deionized water 900-1000 part; Said silver ammino solution contains Silver Nitrate 46-70 part, ammoniacal liquor 167-110 part, deionized water 900-1000 part; Said reductive agent contains ethanol 100-800 part, formaldehyde 3-15 part, and deionized water 200-500 part, said reductive agent can also be glucose 5-20 part, distilled water 220-280 part, alcohol 10-60 part.
Said technology is in two steps:
The first step, nickel powder particle surface chemical silvering: at first be that 30-54 part, particle diameter are that the nickel powder of 0.5-6 μ m impregnated in the gelatin solution that 50-1000ml concentration is 10～15g/L, stir and made suspension in 9-12 minute with above-mentioned weight ratio; Add 20-400ml concentration in suspension was 25～35ml/L dilute sulphuric acid, removed oxide compound at 40～50 ℃ of following pickling 8-12 minutes; The nickel powder of washing is poured in the sensitizing solution of 10-200ml, at room temperature, sensitization 9-13 minute, taken out and clean 2-3 time; Join in the activation solution of 30-600ml, at room temperature, stirred 9-12 minute, take out and clean 2-3 time; Nickel powder after will cleaning again joins in the gelatin solution of 5～20g/L, and restir is made suspension, pours the silver ammino solution of the 150-3000ml for preparing into, and the reductive agent that speed drips 300-6000ml that drips with 0.5～0.8ml/min can make silver-plated nickel powder;
In second step, vacuum heat treatment: is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is: 10Pa, heated 2.5～3 hours, and promptly get nickeline solid solution alloy powder.
The low-priced silver-colored nickel powder composition manufacturing method of said fire-resistant oxidation resistant, can also be: comprise technology and preparation sensitizing solution, activation solution, silver ammino solution, reductive agent, following each component all by weight, it is characterized in that the nickel powder weight ratio that contains in the said silver-colored nickel composition is 36-52 part, the silver-colored weight ratio that contains is 64-48 part, and the nickel powder particle diameter is 2-3 μ m; Said sensitizing solution contains tin protochloride 15-20 part, hydrogenchloride 25-40 part, deionized water 900-1000 part; Said activation solution contains Palladous chloride 0.8-2.2 part, hydrogenchloride 20-80 part, deionized water 900-1000 part; Said silver ammino solution contains Silver Nitrate 102-76 part, ammoniacal liquor 153-114 part, deionized water 900-1000 part; Said reductive agent contains ethanol 200-600 part, formaldehyde 5-10 part, and deionized water 200-500 part, said reductive agent can also be glucose 8-15 part, distilled water 220-280 part, alcohol 20-40 part.
The low-priced silver-colored nickel powder composition manufacturing method of said fire-resistant oxidation resistant, can also be: comprise technology and preparation sensitizing solution, activation solution, silver ammino solution, reductive agent, following each component all by weight, it is characterized in that the nickel powder weight ratio that contains in the said silver-colored nickel composition is 48-52 part, the silver-colored weight ratio that contains is 52-48 part, and the nickel powder particle diameter is 2-3 μ m; Said sensitizing solution contains tin protochloride 17-20 part, hydrogenchloride 30-40 part, deionized water 900-1000 part; Said activation solution contains Palladous chloride 1.0-1.8 part, hydrogenchloride 20-80 part, deionized water 900-1000 part; Said silver ammino solution contains Silver Nitrate 83-76 part, ammoniacal liquor 125-114 part, deionized water 900-1000 part; Said reductive agent contains ethanol 200-600 part, formaldehyde 6-8 part, and deionized water 200-500 part, said reductive agent can also be glucose 10-13 part, distilled water 220-280 part, alcohol 20-40 part.
The present invention is to adopt chemical method to make Ni fine powder surface directly be formed protective membrane by Ag molecule affinity in the liquid compared with prior art.Be applicable to the electronic component products of burning till at atmosphere, this electrode conductivity reaches the conductivity of noble metal electrode, and cost is 1/10th of a precious metal.Its application can reduce the cost of electronic components such as MPT and MLCC and other electronic product significantly, to the development of electronic devices and components and product bigger pushing effect will be arranged.It is simple that the present invention has technology, and production cost is low, and the characteristics that can burn altogether with porcelain body under atmosphere have better economic and social benefit.
Four, description of drawings
Fig. 1 is a clad structure model synoptic diagram of the present invention;
Fig. 2 calcines the model synoptic diagram that the back forms the alloy protecting layer for the present invention.
Five, embodiment
Accompanying drawing is the specific embodiment of the present composition.
Below in conjunction with accompanying drawing and technical process content of the present invention is described further:
With reference to Fig. 1, shown in Figure 2, the low-priced silver of fire-resistant oxidation resistant coats the nickel powder composition manufacturing method, comprise technology and preparation sensitizing solution, activation solution, silver ammino solution, reductive agent, following each component all by weight, the nickel powder weight ratio that contains in the said silver-colored nickel composition is 48-52 part, the silver-colored weight ratio that contains is 52-48 part, and the nickel powder particle diameter is 2-3 μ m; Said sensitizing solution contains tin protochloride 10-25 part, hydrogenchloride 20-50 part, and deionized water 900-1100 part, it is the divalent tin ion that surface adsorption one deck has reductibility that sensitization is handled; Said activation solution contains Palladous chloride 0.5-2.5 part, hydrogenchloride 10-100 part, and deionized water 900-1000 part, activation treatment is that the divalence palladium ion is reduced into the palladium particle with katalysis by surperficial divalent tin ion; Said silver ammino solution contains Silver Nitrate 111-73 part, ammoniacal liquor 167-110 part, and deionized water 900-1000 part is with Silver Nitrate (AgNO
3) join in 1000 parts of deionized waters, the ammoniacal liquor that slowly adds 167-110 part is dissolved in Silver Nitrate in the deionized water, stirs 10 minutes up to just disappearance of precipitation.Said reductive agent contains ethanol 100-800 part, formaldehyde 3-15 part, and deionized water 200-500 part, said reductive agent can also be glucose 5-20 part, distilled water 220-280 part, alcohol 10-60 part.Its reductive agent prescription (1) is: 100～800 parts of ethanol (CH
3CH
2OH)+3～15 part formaldehyde (HCHO)+200～500 part deionized water (H
2O); Reductive agent prescription (2) is: 5～20 parts of glucose, tartrate are dissolved in 250 parts of distilled water for 1～5 part successively; Boil the 10min postcooling to normal temperature; Add 10～60 parts of alcohol.Speed of response when adopting reductive agent 1 than the summary height that adopts reductive agent 2 a bit, its effect is the same, reacted difference as a result is also little.Both adopted two kinds of reductive agents all can.
Said technical process is in two steps:
The first step, nickel powder particle surface chemical silvering: at first be that 30-54 part, particle diameter are that the nickel powder of 0.5-6 μ m impregnated in the gelatin solution that 50-1000ml concentration is 10～15g/L, stir and made suspension in 9-12 minute with weight ratio; Add 20-400ml concentration in suspension was 25～35ml/L dilute sulphuric acid, removed oxide compound at 40～50 ℃ of following pickling 8-12 minutes; The nickel powder of washing is poured in the sensitizing solution of 10-200ml, at room temperature, sensitization 9-13 minute, taken out and clean 2-3 time; Join in the activation solution of 30-600ml, at room temperature, stirred 9-12 minute, take out and clean 2-3 time; Nickel powder after will cleaning again joins in the gelatin solution of 5～20g/L, and restir is made suspension, pours the silver ammino solution of the 150-3000ml for preparing into, and the reductive agent that speed drips 300-6000ml that drips with 0.5～0.8ml/min can make silver-plated nickel powder;
In second step, vacuum heat treatment: is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is: 10Pa, heated 2.5～3 hours, and promptly get nickeline solid solution alloy powder.
Embodiment 1
At first, impregnated among the gelatin solution 250ml of 10g/L, stir and made suspension in 10 minutes 25 g nickel powders; In suspension, add 25ml/L dilute sulphuric acid 100ml again, removed oxide compound, washing in 10 minutes 45 ℃ of following pickling; Pour the nickel powder of washing the stannous chloride solution 50ml of 10g/L into, at room temperature, sensitization 10 minutes is cleaned 3 times; The PdCl that adds 1g/L
2Solution 50ml at room temperature, stirred 10 minutes, cleaned 3 times; Nickel powder is added the gelatin solution 250ml of 10g/L, stir and make suspension, add the silver ammino solution 500ml that the Silver Nitrate of 50g/L is made; With the fast reductive agent 1000ml (with 4ml/L formaldehyde and 100ml/L ethanol) that drips of dripping of 0.5ml/min, stirring causes and records till the no silver ions, filters the cleaning powder and promptly gets silver-plated nickel powder.Is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is: 10Pa, heated 2.5 hours, and promptly obtain nickeline solid solution alloy powder.
Embodiment 2
At first the 20g nickel powder be impregnated among the gelatin solution 200ml of 15/L, stir and made suspension in 10 minutes; In suspension, add 35ml/L dilute sulphuric acid 80ml again, removed oxide compound in 13 minutes, take out washing 48 ℃ of following pickling; Pour the nickel powder of washing the stannous chloride solution 40ml of 10g/L into, at room temperature, sensitization 12 minutes is cleaned 3 times; The PdCl that adds 1g/L
2Solution 40ml at room temperature, stirred 10 minutes, cleaned 3 times; Nickel powder is added the gelatin solution 200ml of 10g/L, stir and make suspension, add the silver ammino solution 400ml that the Silver Nitrate of 50g/L is made; The speed of dripping with 0.8ml/min drips reductive agent (in 11.25 parts of glucose, 250 parts of distilled water of 1.8 parts dissolvings of tartrate, boil the 10min postcooling to normal temperature, add 35 parts of alcohol); Stirring causes and records till the no silver ions, filters the cleaning powder and promptly gets silver-plated nickel powder; Is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is 10Pa, heats 3 hours, promptly obtains nickeline solid solution alloy powder.
Embodiment 3
At first 25 gram nickel powders be impregnated among the gelatin solution 250ml of 10g/L, stir and made suspension in 10 minutes; In suspension, add 25ml/L dilute sulphuric acid 100ml again, removed oxide compound in 10 minutes, wash 3 times 45 ℃ of following pickling; With the nickel powder of washing pour into 10g/L stannous chloride solution 150ml, at room temperature, sensitization 10 minutes is cleaned 3 times; The PdCl that adds 1g/L
2Solution 150ml at room temperature, stirred 10 minutes, cleaned 3 times; Nickel powder is added the gelatin solution 250ml of 10g/L, stir and make suspension, add the silver ammino solution 1500ml that the Silver Nitrate of 50g/L is made; The speed of dripping with 5ml/min drips reductive agent 1500ml (with 7.5ml formaldehyde+600ml ethanol+900ml deionized water), and filtration is cleaned powder and promptly got silver-plated nickel powder.Is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is: 10Pa, heated 3 hours, and promptly obtain nickeline solid solution alloy powder.
Embodiment 4
At first 25 gram nickel powders be impregnated among the gelatin solution 250ml of 10g/L, stir and made suspension in 10 minutes; In suspension, add 25ml/L dilute sulphuric acid 100ml again, removed oxide compound in 10 minutes, take out washing 40～50 ℃ of following pickling; Pour the nickel powder of washing the stannous chloride solution 150ml of 10g/L into, at room temperature, sensitization 10 minutes is cleaned 3 times; The PdCl that adds 1g/L
2Solution 150ml at room temperature, stirred 10 minutes, cleaned 3 times; Nickel powder is added the gelatin solution 250ml of 10g/L, stir and make suspension, add the silver ammino solution 1500ml that the Silver Nitrate of 50g/L is made; The speed of dripping with 5ml/min drips reductive agent 1500ml (in glucose 56.25g, 5g dissolving of tartrate 1250ml distilled water, boil the 10min postcooling to normal temperature, add 125ml alcohol); Stirring causes and records till the no silver ions, filters the cleaning powder and promptly gets silver-plated nickel powder; Is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is 10Pa, heats 3 hours, promptly obtains nickeline solid solution alloy powder
Embodiment 5
At first 25 gram nickel powders be impregnated among the gelatin solution 250ml of 10g/L, stir and made suspension in 10 minutes; In suspension, add 25ml/L dilute sulphuric acid 100ml again, removed oxide compound in 10 minutes, wash 3 times 45 ℃ of following pickling; With the nickel powder of washing pour into 10g/L stannous chloride solution 150ml, at room temperature, sensitization 10 minutes is cleaned 3 times; The PdCl that adds 1g/L
2Solution 150ml at room temperature, stirred 10 minutes, cleaned 3 times; Nickel powder is added the gelatin solution 250ml of 10g/L, stir and make suspension, add the silver ammino solution 750ml that the Silver Nitrate of 50g/L is made; The speed of dripping with 5ml/min drips reductive agent 750ml (with 3.75ml formaldehyde+200ml ethanol+300ml deionized water), and filtration is cleaned powder and promptly got silver-plated nickel powder.Is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is: 10Pa, heated 3 hours, and promptly obtain nickeline solid solution alloy powder.
Embodiment 6:
At first 25 gram nickel powders be impregnated among the gelatin solution 250ml of 10g/L, stir and made suspension in 10 minutes; In suspension, add 25ml/L dilute sulphuric acid 100ml again, removed oxide compound in 10 minutes, take out washing 40～50 ℃ of following pickling; Pour the nickel powder of washing the stannous chloride solution 150ml of 10g/L into, at room temperature, sensitization 10 minutes is cleaned for several times; The PdCl that adds 1g/L
2Solution 150ml at room temperature, stirred 10 minutes, cleaned for several times; Nickel powder is added the gelatin solution 250ml of 10g/L, stir and make suspension, add the silver ammino solution 750ml that the Silver Nitrate of 50g/L is made; The speed of dripping with 5ml/min drips reductive agent 750ml (in glucose 28.13g, 2.5g dissolving of tartrate 625ml distilled water, boil the 10min postcooling to normal temperature, add 62.5ml alcohol); Stirring causes and records till the no silver ions, filters the cleaning powder and promptly gets silver-plated nickel powder; Is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is 10Pa, heats 3 hours, promptly obtains nickeline solid solution alloy powder.
Claims (3)
1, the low-priced silver of a kind of fire-resistant oxidation resistant coats the nickel powder composition manufacturing method, comprise technology and preparation sensitizing solution, activation solution, silver ammino solution, reductive agent, following each component all by weight, it is characterized in that the nickel powder weight ratio that contains in the said composition is 30-54 part, the silver-colored weight ratio that contains is 70-46 part, and the nickel powder particle diameter is 0.5-6 μ m; Said sensitizing solution contains tin protochloride 10-25 part, hydrogenchloride 20-50 part, deionized water 900-1100 part; Said activation solution contains Palladous chloride 0.5-2.5 part, hydrogenchloride 10-100 part, deionized water 900-1000 part; Said silver ammino solution contains Silver Nitrate 111-73 part, ammoniacal liquor 167-110 part, deionized water 900-1000 part; Said reductive agent contains ethanol 100-800 part, formaldehyde 3-15 part, and deionized water 200-500 part, said reductive agent can also be glucose 5-20 part, distilled water 220-280 part, alcohol 10-60 part;
Said technology is in two steps:
The first step, nickel powder particle surface chemical silvering: at first be that 30-54 part, particle diameter are that the nickel powder of 0.5-6 μ m impregnated in the gelatin solution that 50-1000ml concentration is 10～15g/L, stir and made suspension in 9-12 minute with above-mentioned weight ratio; Add 20-400ml concentration in suspension was 25～35ml/L dilute sulphuric acid, removed oxide compound at 40～50 ℃ of following pickling 8-12 minutes; The nickel powder of washing is poured in the sensitizing solution of 10-200ml, at room temperature, sensitization 9-13 minute, taken out and clean 2-3 time; Join in the activation solution of 30-600ml, at room temperature, stirred 9-12 minute, take out and clean 2-3 time; Nickel powder after will cleaning again joins in the gelatin solution of 5～20g/L, and restir is made suspension, pours the silver ammino solution of the 150-3000ml for preparing into, and the reductive agent that speed drips 300-6000ml that drips with 0.5～0.8ml/min can make silver-plated nickel powder;
In second step, vacuum heat treatment: is 450 ℃ with silver-plated nickel powder in Heating temperature, and vacuum tightness is: 10Pa, heated 2.5～3 hours, and promptly get nickeline solid solution alloy powder.
2, the low-priced silver of fire-resistant oxidation resistant according to claim 1 coats the nickel powder composition manufacturing method, comprise technology and preparation sensitizing solution, activation solution, silver ammino solution, reductive agent, following each component all by weight, it is characterized in that the nickel powder weight ratio that contains in the said silver-colored nickel composition is 36-52 part, the silver-colored weight ratio that contains is 64-48 part, and the nickel powder particle diameter is 2-3 μ m; Said sensitizing solution contains tin protochloride 15-20 part, hydrogenchloride 25-40 part, deionized water 900-1000 part; Said activation solution contains Palladous chloride 0.8-2.2 part, hydrogenchloride 20-80 part, deionized water 900-1000 part; Said silver ammino solution contains Silver Nitrate 102-76 part, ammoniacal liquor 153-114 part, deionized water 900-1000 part; Said reductive agent contains ethanol 200-600 part, formaldehyde 5-10 part, and deionized water 200-500 part, said reductive agent can also be glucose 8-15 part, distilled water 220-280 part, alcohol 20-40 part.
3, the low-priced silver of fire-resistant oxidation resistant according to claim 1 and 2 coats the nickel powder composition manufacturing method, comprise technology and preparation sensitizing solution, activation solution, silver ammino solution, reductive agent, following each component all by weight, it is characterized in that the nickel powder weight ratio that contains in the said silver-colored nickel composition is 48-52 part, the silver-colored weight ratio that contains is 52-48 part, and the nickel powder particle diameter is 2-3 μ m; Said sensitizing solution contains tin protochloride 17-20 part, hydrogenchloride 30-40 part, deionized water 900-1000 part; Said activation solution contains Palladous chloride 1.0-1.8 part, hydrogenchloride 20-80 part, deionized water 900-1000 part; Said silver ammino solution contains Silver Nitrate 83-76 part, ammoniacal liquor 125-114 part, deionized water 900-1000 part; Said reductive agent contains ethanol 200-600 part, formaldehyde 6-8 part, and deionized water 200-500 part, said reductive agent can also be glucose 10-13 part, distilled water 220-280 part, alcohol 20-40 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021455201A CN1188544C (en) | 2002-12-13 | 2002-12-13 | High temperature antioxidant base metal composition and its production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021455201A CN1188544C (en) | 2002-12-13 | 2002-12-13 | High temperature antioxidant base metal composition and its production process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1416986A CN1416986A (en) | 2003-05-14 |
| CN1188544C true CN1188544C (en) | 2005-02-09 |
Family
ID=4750915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021455201A Expired - Fee Related CN1188544C (en) | 2002-12-13 | 2002-12-13 | High temperature antioxidant base metal composition and its production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1188544C (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE557426T1 (en) * | 2003-12-26 | 2012-05-15 | Murata Manufacturing Co | MULTI-LAYER PIEZOELECTRIC COMPONENT WITH THICK FILM OUTER ELECTRODE |
| CN101065204B (en) * | 2004-09-29 | 2010-06-16 | Tdk株式会社 | Conductive particle manufacturing method, conductive paste, and electronic component manufacturing method |
| EP1777287A1 (en) * | 2005-10-21 | 2007-04-25 | Symrise GmbH & Co. KG | Reducing allergy in perfume oils and fragrances |
| CN101717928B (en) * | 2008-10-09 | 2011-05-18 | 北京有色金属研究总院 | Method for preparing compound powder used for abrasion-resistant self-lubricating coating |
| CN102218533B (en) * | 2011-05-17 | 2013-06-19 | 陈钢强 | Silver-coated nickel alloy powder |
| CN102800513B (en) * | 2012-08-10 | 2015-11-25 | 佛山通宝精密合金股份有限公司 | A kind of preparation method of used as electric contacts silver nickel material |
| JP6665514B2 (en) * | 2015-01-28 | 2020-03-13 | 三菱マテリアル株式会社 | Method for producing silver-coated particles |
| CN111951996B (en) * | 2015-01-28 | 2023-06-30 | 三菱综合材料株式会社 | Conductive adhesive, conductive film, conductive spacer, and method for producing the same |
| JP6846969B2 (en) * | 2016-03-31 | 2021-03-24 | Ｄｏｗａエレクトロニクス株式会社 | Silver-coated nickel powder and its manufacturing method |
| CN108097949B (en) * | 2017-12-15 | 2019-11-19 | 宁波广新纳米材料有限公司 | A kind of production method of tin plating nickel powder |
| CN108326293B (en) * | 2018-01-11 | 2021-03-09 | 宁波广新纳米材料有限公司 | Method for producing silver-coated nickel powder |
| CN108296478A (en) * | 2018-01-11 | 2018-07-20 | 宁波广新纳米材料有限公司 | Silver-nickel powder and preparation method thereof and electrocondution slurry containing the silver-nickel powder |
| CN108284224B (en) * | 2018-03-18 | 2019-11-29 | 中船重工黄冈贵金属有限公司 | A kind of preparation method of sheet silver coated nickel powder body |
| CN115568850B (en) * | 2022-12-06 | 2023-03-28 | 北京深纳普思人工智能技术有限公司 | Implantable enzyme-free sensor electrode material and enzyme-free sensor |
| CN118045986A (en) * | 2024-02-23 | 2024-05-17 | 浙江新纳材料科技股份有限公司 | Preparation method of silver-coated nickel-chromium alloy powder |
-
2002
- 2002-12-13 CN CNB021455201A patent/CN1188544C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1416986A (en) | 2003-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1188544C (en) | High temperature antioxidant base metal composition and its production process | |
| US5945158A (en) | Process for the production of silver coated particles | |
| CN105598467A (en) | High-temperature-resistant silver-coated and nickel-coated copper conductive powder of core-shell structure and preparation method thereof | |
| CN101244459B (en) | Chemical plating silver copper powder, chemical plating liquid and chemical plating method | |
| CN1876282A (en) | Chemical method for silver coating on copper powder surface | |
| JP6171189B2 (en) | Thin coating on material | |
| WO2014029210A1 (en) | Preparation method for electrical contact materials | |
| KR20090073091A (en) | Base material covered with metal layer and process for producing the same | |
| CN102808097B (en) | Silver/nickel/metallic oxide electrical contact material preparation method | |
| CN102407329B (en) | Method for preparing nickel-silver coreshell structure nanoparticles | |
| JP2001035740A (en) | Electronic component equipped with external terminal electrode and manufacture thereof | |
| CN101054483A (en) | Silvering graphite and preparation method thereof | |
| CN109957144B (en) | Preparation method of conductive filler with silver-plated surface | |
| EP1796106A1 (en) | Electroconductive fine particle and anisotropically electroconductive material | |
| CN1176234C (en) | High temperature resistant anti-oxidant base metal copper-silver alloy composition and its producing method | |
| CN1974841A (en) | Core-shell type composite conductive Fe-Ag filler and its prepn process | |
| TW201840908A (en) | Integrally formed body, composite material including said integrally formed body, electrical contact terminal and printed wiring board | |
| CN111318689B (en) | Silver-coated copper powder with shell-core structure and preparation method and application thereof | |
| JP2004162164A (en) | Copper powder for conductive paste and its production method | |
| JP3871653B2 (en) | Method for producing conductive fine particles | |
| JP5576319B2 (en) | Copper particles | |
| CN101798683A (en) | Nano metal solution, nano metal composite particles and metal film manufacturing method | |
| CN109261959B (en) | Tin-added intermediate layer silver-coated copper powder with high oxidation resistance and high binding force and preparation method thereof | |
| CN115537788B (en) | Electroless plating activator and preparation method and application thereof | |
| JP4485174B2 (en) | Composite metal fine particle dispersion and method for producing the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050209 Termination date: 20100113 |