KR20070023814A - 니켈 분말 및 그 제조 방법 - Google Patents
니켈 분말 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20070023814A KR20070023814A KR1020077000176A KR20077000176A KR20070023814A KR 20070023814 A KR20070023814 A KR 20070023814A KR 1020077000176 A KR1020077000176 A KR 1020077000176A KR 20077000176 A KR20077000176 A KR 20077000176A KR 20070023814 A KR20070023814 A KR 20070023814A
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- South Korea
- Prior art keywords
- nickel powder
- sulfur
- nickel
- compound
- powder
- Prior art date
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 187
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 65
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000011593 sulfur Substances 0.000 claims abstract description 64
- 150000001875 compounds Chemical class 0.000 claims abstract description 50
- 230000009467 reduction Effects 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims description 60
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 27
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 27
- 229910052759 nickel Inorganic materials 0.000 claims description 26
- 239000012298 atmosphere Substances 0.000 claims description 21
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 13
- 230000001590 oxidative effect Effects 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 9
- 150000002894 organic compounds Chemical class 0.000 claims description 9
- 150000002816 nickel compounds Chemical class 0.000 claims description 7
- -1 thiol compound Chemical class 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- 239000012808 vapor phase Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000000197 pyrolysis Methods 0.000 claims description 3
- 150000003573 thiols Chemical class 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims 1
- AEOCXXJPGCBFJA-UHFFFAOYSA-N ethionamide Chemical compound CCC1=CC(C(N)=S)=CC=N1 AEOCXXJPGCBFJA-UHFFFAOYSA-N 0.000 claims 1
- 238000005245 sintering Methods 0.000 abstract description 37
- 239000003985 ceramic capacitor Substances 0.000 abstract description 24
- 230000003647 oxidation Effects 0.000 abstract description 15
- 238000007254 oxidation reaction Methods 0.000 abstract description 15
- WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 43
- 229910052751 metal Inorganic materials 0.000 description 31
- 239000002184 metal Substances 0.000 description 31
- 238000006722 reduction reaction Methods 0.000 description 31
- 239000002245 particle Substances 0.000 description 29
- 239000000843 powder Substances 0.000 description 25
- 239000010410 layer Substances 0.000 description 17
- 238000012545 processing Methods 0.000 description 14
- 239000002002 slurry Substances 0.000 description 11
- 239000000243 solution Substances 0.000 description 10
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 238000011946 reduction process Methods 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000003475 lamination Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 4
- 230000032798 delamination Effects 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 3
- 229910002113 barium titanate Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 229910001510 metal chloride Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052755 nonmetal Inorganic materials 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005118 spray pyrolysis Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 150000003556 thioamides Chemical class 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 1
- PURTUPNWTLPILZ-UHFFFAOYSA-N 2-hydroxypropanoic acid;nickel Chemical compound [Ni].CC(O)C(O)=O.CC(O)C(O)=O PURTUPNWTLPILZ-UHFFFAOYSA-N 0.000 description 1
- 241000723346 Cinnamomum camphora Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229960000846 camphor Drugs 0.000 description 1
- 229930008380 camphor Natural products 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000003893 lactate salts Chemical class 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000002815 nickel Chemical group 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000011163 secondary particle Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/102—Metallic powder coated with organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
- H01G4/0085—Fried electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Ceramic Capacitors (AREA)
Abstract
Description
Claims (19)
- 유황: 0.01~1.0 질량%, 탄소: 0.01~1.0 질량%를 함유하는 것을 특징으로 하는 니켈 분말.
- 청구항 1에 있어서,표면에, 유황 함유 화합물이 피복 또는 부착되어 있는 것을 특징으로 하는 니켈 분말.
- 청구항 1에 있어서,표면에, 니켈과 유황을 포함하는 화합물층이 형성되어 있는 것을 특징으로 하는 니켈 분말.
- 청구항 1에 있어서,유황 함유 화합물에 의해 처리되어 있는 것을 특징으로 하는 니켈 분말.
- 청구항 4에 있어서,상기 유황 함유 화합물이 유황 함유 유기 화합물인 것을 특징으로 하는 니켈 분말.
- 청구항 5에 있어서,상기 유황 함유 유기 화합물이 티올계 화합물 또는 티오아미드계 화합물인 것을 특징으로 하는 니켈 분말.
- 청구항 5에 있어서,상기 유황 함유 유기 화합물이 티오요소인 것을 특징으로 하는 니켈 분말.
- 청구항 1 내지 청구항 4 중 어느 한 항에 있어서,탄산수용액으로 처리되어 있는 것을 특징으로 하는 니켈 분말.
- 청구항 1 내지 청구항 4 중 어느 한 항에 있어서,상기 유황 함유 화합물에 의한 처리와 동시에, 또는 유황 함유 화합물에 의한 처리 후에, 산화성 분위기하에서 열처리 되어 있는 것을 특징으로 하는 니켈 분말.
- 청구항 1 내지 청구항 4 중 어느 한 항에 있어서,상기 니켈 분말이, 염화 니켈 증기의 기상 환원법, 또는 니켈 화합물의 열분해법에 의해 얻어진 것인 것을 특징으로 하는 니켈 분말.
- 니켈 분말을 유황 함유 화합물에 의해 처리하는 것을 특징으로 하는 니켈 분 말의 제조 방법.
- 청구항 11에 있어서,상기 유황 함유 화합물이 유황 함유 유기 화합물인 것을 특징으로 하는 니켈 분말의 제조 방법.
- 청구항 12에 있어서,상기 유황 함유 유기 화합물이 티올계 화합물 또는 티오아미드계 화합물인 것을 특징으로 하는 니켈 분말의 제조 방법.
- 청구항 12에 있어서,상기 유황 함유 유기 화합물이 티오요소인 것을 특징으로 하는 니켈 분말의 제조 방법.
- 청구항 11 내지 청구항 14 중 어느 한 항에 있어서,탄산수용액으로 처리하는 것을 특징으로 하는 니켈 분말의 제조 방법.
- 청구항 11 내지 청구항 14 중 어느 한 항에 있어서,유황 함유 화합물에 의한 처리와 동시에, 또는 유황 함유 화합물에 의해 처리한 후에, 산화성 분위기하에서 열처리하는 것을 특징으로 하는 니켈 분말의 제조 방법.
- 청구항 11 내지 청구항 14 중 어느 한 항에 있어서,상기 니켈 분말이 염화 니켈 증기의 기상 환원법, 또는 니켈 화합물의 열분해법에 의해 얻어진 것인 것을 특징으로 하는 니켈 분말의 제조 방법.
- 청구항 11 내지 청구항 14 중 어느 한 항에 있어서,유황 함유 화합물에 의해 처리한 후에, 건조 처리하고, 다음에 산성 분위기하에서 열처리하는 것을 특징으로 하는 니켈 분말의 제조 방법.
- 청구항 18에 있어서, 상기 건조 처리를 200~300℃의 불활성 가스와 접촉시켜 행하는 것을 특징으로 하는 니켈 분말의 제조 방법.
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EP (1) | EP1785207A4 (ko) |
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KR20180101504A (ko) * | 2016-01-12 | 2018-09-12 | 도호 티타늄 가부시키가이샤 | 니켈 분말 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20130112793A (ko) * | 2012-04-04 | 2013-10-14 | 신닛테츠 수미킨 가가쿠 가부시키가이샤 | 복합 니켈 입자 및 그 제조 방법 |
KR20180101504A (ko) * | 2016-01-12 | 2018-09-12 | 도호 티타늄 가부시키가이샤 | 니켈 분말 |
KR20200111791A (ko) * | 2018-03-29 | 2020-09-29 | 도호 티타늄 가부시키가이샤 | 니켈 분체 및 그 제조 방법 |
KR20210019547A (ko) * | 2018-06-28 | 2021-02-22 | 도호 티타늄 가부시키가이샤 | 금속 분말과 그 제조 방법, 및 소결 온도의 예측 방법 |
KR102381294B1 (ko) * | 2020-10-06 | 2022-04-01 | 한국생산기술연구원 | 니켈 나노분말의 제조방법 및 이를 이용하여 제조한 니켈 나노분말 |
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TWI259787B (en) | 2006-08-11 |
EP1785207A4 (en) | 2009-05-20 |
EP1785207A1 (en) | 2007-05-16 |
TW200603918A (en) | 2006-02-01 |
CN1968773A (zh) | 2007-05-23 |
US20070254156A1 (en) | 2007-11-01 |
KR101085265B1 (ko) | 2011-11-22 |
JPWO2005123307A1 (ja) | 2008-04-10 |
US7658995B2 (en) | 2010-02-09 |
JP4740839B2 (ja) | 2011-08-03 |
CA2570216C (en) | 2012-10-23 |
CN1968773B (zh) | 2011-08-03 |
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