JPS5888122A - 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
- JPS5888122A JPS5888122A JP56186453A JP18645381A JPS5888122A JP S5888122 A JPS5888122 A JP S5888122A JP 56186453 A JP56186453 A JP 56186453A JP 18645381 A JP18645381 A JP 18645381A JP S5888122 A JPS5888122 A JP S5888122A
- Authority
- JP
- Japan
- Prior art keywords
- iron oxide
- cobalt
- salt
- treated
- 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 67
- 229910017052 cobalt Inorganic materials 0.000 title claims abstract description 27
- 239000010941 cobalt Substances 0.000 title claims abstract description 27
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 230000005294 ferromagnetic effect Effects 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 230000005291 magnetic effect Effects 0.000 claims abstract description 29
- 150000003839 salts Chemical class 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 239000007864 aqueous solution Substances 0.000 claims abstract description 8
- 150000002736 metal compounds Chemical class 0.000 claims abstract description 8
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 6
- 239000003513 alkali Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 150000001868 cobalt Chemical class 0.000 claims description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 9
- 229940044175 cobalt sulfate Drugs 0.000 abstract description 3
- 229910000361 cobalt sulfate Inorganic materials 0.000 abstract description 3
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 abstract description 3
- 239000011790 ferrous sulphate Substances 0.000 abstract description 3
- 235000003891 ferrous sulphate Nutrition 0.000 abstract description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 abstract description 3
- 229910052804 chromium Inorganic materials 0.000 abstract description 2
- 229910052723 transition metal Inorganic materials 0.000 abstract description 2
- 150000003624 transition metals Chemical class 0.000 abstract description 2
- 229910052725 zinc Inorganic materials 0.000 abstract description 2
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract 1
- 235000013980 iron oxide Nutrition 0.000 description 26
- 238000000034 method Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000003756 stirring Methods 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
- 241000238366 Cephalopoda Species 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- GUTLYIVDDKVIGB-OUBTZVSYSA-N Cobalt-60 Chemical compound [60Co] GUTLYIVDDKVIGB-OUBTZVSYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-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
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229940011182 cobalt acetate Drugs 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 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
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 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
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- -1 iron ions Chemical class 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229940083466 soybean lecithin Drugs 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56186453A JPS5888122A (ja) | 1981-11-20 | 1981-11-20 | 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 |
| NL8203006A NL190910C (nl) | 1981-07-28 | 1982-07-27 | Werkwijze ter bereiding van een kobalt bevattend ferromagnetisch ijzeroxyde, alsmede magnetisch registratiemedium. |
| FR8213098A FR2510804B1 (fr) | 1981-07-28 | 1982-07-27 | Procede de preparation d'un oxyde de fer ferromagnetique contenant du cobalt |
| 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 |
| KR8203349A KR890001485B1 (ko) | 1981-07-28 | 1982-07-27 | 코발트 함유의 강자성 산화철의 제조 방법. |
| CA000408192A CA1193175A (en) | 1981-07-28 | 1982-07-27 | Process for producing cobalt containing ferromagnetic iron oxides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56186453A JPS5888122A (ja) | 1981-11-20 | 1981-11-20 | コバルト含有強磁性酸化鉄の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5888122A true JPS5888122A (ja) | 1983-05-26 |
| JPS6132259B2 JPS6132259B2 (enrdf_load_stackoverflow) | 1986-07-25 |
Family
ID=16188717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56186453A Granted JPS5888122A (ja) | 1981-07-28 | 1981-11-20 | コバルト含有強磁性酸化鉄の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5888122A (enrdf_load_stackoverflow) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6081026A (ja) * | 1983-10-06 | 1985-05-09 | Ishihara Sangyo Kaisha Ltd | コバルト含有磁性酸化鉄の製造方法 |
| JPS60165703A (ja) * | 1984-02-09 | 1985-08-28 | Sony Corp | 針状強磁性酸化鉄磁性粉 |
| JPS60208805A (ja) * | 1984-04-02 | 1985-10-21 | Sony Corp | 針状強磁性酸化鉄磁性粉 |
| JPH01194306A (ja) * | 1988-01-29 | 1989-08-04 | Sony Corp | コバルト含有酸化鉄磁性粉末の製造方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50119997A (enrdf_load_stackoverflow) * | 1974-03-12 | 1975-09-19 | ||
| JPS549797A (en) * | 1977-06-23 | 1979-01-24 | Hitachi Maxell | Method of making ferromagnetic powder |
| JPS5556019A (en) * | 1978-10-20 | 1980-04-24 | Hitachi Maxell Ltd | Production of ferromagnetic powder |
-
1981
- 1981-11-20 JP JP56186453A patent/JPS5888122A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50119997A (enrdf_load_stackoverflow) * | 1974-03-12 | 1975-09-19 | ||
| JPS549797A (en) * | 1977-06-23 | 1979-01-24 | Hitachi Maxell | Method of making ferromagnetic powder |
| JPS5556019A (en) * | 1978-10-20 | 1980-04-24 | Hitachi Maxell Ltd | Production of ferromagnetic powder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6081026A (ja) * | 1983-10-06 | 1985-05-09 | Ishihara Sangyo Kaisha Ltd | コバルト含有磁性酸化鉄の製造方法 |
| JPS60165703A (ja) * | 1984-02-09 | 1985-08-28 | Sony Corp | 針状強磁性酸化鉄磁性粉 |
| JPS60208805A (ja) * | 1984-04-02 | 1985-10-21 | Sony Corp | 針状強磁性酸化鉄磁性粉 |
| JPH01194306A (ja) * | 1988-01-29 | 1989-08-04 | Sony Corp | コバルト含有酸化鉄磁性粉末の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6132259B2 (enrdf_load_stackoverflow) | 1986-07-25 |