JPS58103105A - コバルト含有強磁性酸化鉄の製造方法 - Google Patents
コバルト含有強磁性酸化鉄の製造方法Info
- Publication number
- JPS58103105A JPS58103105A JP56201958A JP20195881A JPS58103105A JP S58103105 A JPS58103105 A JP S58103105A JP 56201958 A JP56201958 A JP 56201958A JP 20195881 A JP20195881 A JP 20195881A JP S58103105 A JPS58103105 A JP S58103105A
- Authority
- JP
- Japan
- Prior art keywords
- cobalt
- iron oxide
- ferromagnetic iron
- mentioned
- magnetic
- 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.)
- Granted
Links
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 239000010941 cobalt Substances 0.000 title abstract description 21
- 229910017052 cobalt Inorganic materials 0.000 title abstract description 21
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title abstract description 21
- 230000005294 ferromagnetic effect Effects 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 150000001869 cobalt compounds Chemical class 0.000 claims abstract description 11
- 150000001868 cobalt Chemical class 0.000 claims abstract description 9
- 239000003513 alkali Substances 0.000 claims abstract description 5
- 230000005291 magnetic effect Effects 0.000 claims description 43
- 230000001590 oxidative effect Effects 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 24
- 238000010438 heat treatment Methods 0.000 abstract description 17
- 238000006243 chemical reaction Methods 0.000 abstract description 11
- 239000002002 slurry Substances 0.000 abstract description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 6
- 229940044175 cobalt sulfate Drugs 0.000 abstract description 6
- 229910000361 cobalt sulfate Inorganic materials 0.000 abstract description 6
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 abstract description 4
- 229940011182 cobalt acetate Drugs 0.000 abstract description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 abstract description 2
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 abstract description 2
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 2
- WZQNNALXEJBHLB-UHFFFAOYSA-N O.OOO Chemical compound O.OOO WZQNNALXEJBHLB-UHFFFAOYSA-N 0.000 abstract 1
- 238000013019 agitation Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 abstract 1
- -1 hydrate oxide Chemical compound 0.000 abstract 1
- 235000013980 iron oxide Nutrition 0.000 description 33
- 239000000243 solution Substances 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000003756 stirring Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000004859 Copal Substances 0.000 description 2
- 241000782205 Guibourtia conjugata Species 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 description 1
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 description 1
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910001429 cobalt ion Inorganic materials 0.000 description 1
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- KEAYESYHFKHZAL-OUBTZVSYSA-N sodium-24 Chemical compound [24Na] KEAYESYHFKHZAL-OUBTZVSYSA-N 0.000 description 1
- 229940083466 soybean lecithin Drugs 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70652—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides gamma - Fe2 O3
- G11B5/70668—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides gamma - Fe2 O3 containing a dopant
- G11B5/70673—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides gamma - Fe2 O3 containing a dopant containing Co
Landscapes
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56201958A JPS58103105A (ja) | 1981-12-15 | 1981-12-15 | コバルト含有強磁性酸化鉄の製造方法 |
| AU86252/82A AU548794B2 (en) | 1981-07-28 | 1982-07-21 | Process for producing cobalt containing ferromagnetic iron oxides |
| US06/401,214 US4414245A (en) | 1981-07-28 | 1982-07-23 | Process for producing cobalt containing ferromagnetic iron oxides |
| CA000408192A CA1193175A (en) | 1981-07-28 | 1982-07-27 | Process for producing cobalt containing ferromagnetic iron oxides |
| NL8203006A NL190910C (nl) | 1981-07-28 | 1982-07-27 | Werkwijze ter bereiding van een kobalt bevattend ferromagnetisch ijzeroxyde, alsmede magnetisch registratiemedium. |
| KR8203349A KR890001485B1 (ko) | 1981-07-28 | 1982-07-27 | 코발트 함유의 강자성 산화철의 제조 방법. |
| GB08221655A GB2105313B (en) | 1981-07-28 | 1982-07-27 | Process for producing cobalt containing ferromagnetic iron oxides |
| DE19823228021 DE3228021A1 (de) | 1981-07-28 | 1982-07-27 | Verfahren zur herstellung von kobalthaltigem, ferromagnetischem eisenoxid |
| FR8213098A FR2510804B1 (fr) | 1981-07-28 | 1982-07-27 | Procede de preparation d'un oxyde de fer ferromagnetique contenant du cobalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56201958A JPS58103105A (ja) | 1981-12-15 | 1981-12-15 | コバルト含有強磁性酸化鉄の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58103105A true JPS58103105A (ja) | 1983-06-20 |
| JPS639734B2 JPS639734B2 (enrdf_load_stackoverflow) | 1988-03-01 |
Family
ID=16449581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56201958A Granted JPS58103105A (ja) | 1981-07-28 | 1981-12-15 | コバルト含有強磁性酸化鉄の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58103105A (enrdf_load_stackoverflow) |
-
1981
- 1981-12-15 JP JP56201958A patent/JPS58103105A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS639734B2 (enrdf_load_stackoverflow) | 1988-03-01 |