JPH0572332B2 - - Google Patents
Info
- Publication number
- JPH0572332B2 JPH0572332B2 JP5458988A JP5458988A JPH0572332B2 JP H0572332 B2 JPH0572332 B2 JP H0572332B2 JP 5458988 A JP5458988 A JP 5458988A JP 5458988 A JP5458988 A JP 5458988A JP H0572332 B2 JPH0572332 B2 JP H0572332B2
- Authority
- JP
- Japan
- Prior art keywords
- spray
- temperature
- solvent
- solution
- metal
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 32
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 10
- 150000007524 organic acids Chemical class 0.000 claims description 9
- 239000003960 organic solvent Substances 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 6
- 238000005118 spray pyrolysis Methods 0.000 claims description 6
- 239000002887 superconductor Substances 0.000 claims description 6
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000011575 calcium Chemical class 0.000 claims description 4
- 239000010949 copper Chemical class 0.000 claims description 4
- 238000000197 pyrolysis Methods 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 239000012046 mixed solvent Substances 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical class [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical class [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims description 2
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical class [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 229910052802 copper Chemical class 0.000 claims description 2
- 239000011259 mixed solution Substances 0.000 claims description 2
- 229910052712 strontium Inorganic materials 0.000 claims description 2
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical class [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 10
- 239000010419 fine particle Substances 0.000 description 9
- 239000012071 phase Substances 0.000 description 9
- 239000000523 sample Substances 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- -1 citric acid to this Chemical class 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 150000004703 alkoxides Chemical class 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000975 co-precipitation Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000011164 primary particle Substances 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 4
- 238000001694 spray drying Methods 0.000 description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001960 metal nitrate Inorganic materials 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000000634 powder X-ray diffraction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011163 secondary particle Substances 0.000 description 2
- 235000002906 tartaric acid Nutrition 0.000 description 2
- 239000011975 tartaric acid Substances 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910015901 Bi-Sr-Ca-Cu-O Inorganic materials 0.000 description 1
- 229910014454 Ca-Cu Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005262 decarbonization Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5458988A JPH01226724A (ja) | 1988-03-08 | 1988-03-08 | 酸化物微粒子原料の合成法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5458988A JPH01226724A (ja) | 1988-03-08 | 1988-03-08 | 酸化物微粒子原料の合成法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01226724A JPH01226724A (ja) | 1989-09-11 |
| JPH0572332B2 true JPH0572332B2 (xx) | 1993-10-12 |
Family
ID=12974909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5458988A Granted JPH01226724A (ja) | 1988-03-08 | 1988-03-08 | 酸化物微粒子原料の合成法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01226724A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0774454B2 (ja) * | 1989-10-27 | 1995-08-09 | 工業技術院長 | 酸化物微粒子堆積膜の製法 |
| FR2659961A1 (fr) * | 1990-03-23 | 1991-09-27 | Rhone Poulenc Chimie | Procede de preparation de phases supraconductrices a base de bismuth, strontium, calcium et cuivre et d'un element stabilisant. |
| US5480862A (en) * | 1993-07-30 | 1996-01-02 | Pirelli Cavi S.P.A. | Method for the preparation of precursors for superconductors and compounds thus obtained |
| EP2059477B1 (de) * | 2006-09-07 | 2015-11-18 | IBU-tec advanced materials AG | Verfahren zur herstellung nanokristalliner gemischter metalloxide |
-
1988
- 1988-03-08 JP JP5458988A patent/JPH01226724A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01226724A (ja) | 1989-09-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |