JPS6132259B2 - - Google Patents
Info
- Publication number
- JPS6132259B2 JPS6132259B2 JP56186453A JP18645381A JPS6132259B2 JP S6132259 B2 JPS6132259 B2 JP S6132259B2 JP 56186453 A JP56186453 A JP 56186453A JP 18645381 A JP18645381 A JP 18645381A JP S6132259 B2 JPS6132259 B2 JP S6132259B2
- Authority
- JP
- Japan
- Prior art keywords
- cobalt
- iron oxide
- magnetic
- temperature
- water vapor
- 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
Links
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 53
- 230000005291 magnetic effect Effects 0.000 claims description 27
- 229910017052 cobalt Inorganic materials 0.000 claims description 22
- 239000010941 cobalt Substances 0.000 claims description 22
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000007864 aqueous solution Substances 0.000 claims description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims description 7
- 150000002736 metal compounds Chemical class 0.000 claims description 7
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 6
- 150000001868 cobalt Chemical class 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 235000013980 iron oxide Nutrition 0.000 description 25
- 238000010438 heat treatment Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-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
- 239000012670 alkaline solution Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 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
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- PZNPLUBHRSSFHT-RRHRGVEJSA-N 1-hexadecanoyl-2-octadecanoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCCCC(=O)O[C@@H](COP([O-])(=O)OCC[N+](C)(C)C)COC(=O)CCCCCCCCCCCCCCC PZNPLUBHRSSFHT-RRHRGVEJSA-N 0.000 description 1
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 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
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 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
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229920006026 co-polymeric resin Polymers 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
- 229960002089 ferrous chloride Drugs 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
- 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
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 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
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000008347 soybean phospholipid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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 |
| CA000408192A CA1193175A (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 |
| 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 |
| NL8203006A NL190910C (nl) | 1981-07-28 | 1982-07-27 | Werkwijze ter bereiding van een kobalt bevattend ferromagnetisch ijzeroxyde, alsmede magnetisch registratiemedium. |
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 JPS5888122A (ja) | 1983-05-26 |
| JPS6132259B2 true JPS6132259B2 (ko) | 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 (ko) |
Families Citing this family (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 |
| JPH0732093B2 (ja) * | 1984-02-09 | 1995-04-10 | ソニー株式会社 | 針状強磁性酸化鉄磁性粉 |
| JPH0732094B2 (ja) * | 1984-04-02 | 1995-04-10 | ソニー株式会社 | 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 (ko) * | 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 (ko) * | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5888122A (ja) | 1983-05-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR880001711B1 (ko) | 자성분말의 제조방법 | |
| KR890001485B1 (ko) | 코발트 함유의 강자성 산화철의 제조 방법. | |
| KR890001971B1 (ko) | 코발트함유 자성산화철 분말의 제조방법 | |
| JPS6242337B2 (ko) | ||
| JPS6132259B2 (ko) | ||
| JPS5923505A (ja) | 磁性粉末 | |
| KR890003881B1 (ko) | 코발트 및 제 1 철 함유 강자성 산화철의 제조방법 | |
| JPS6021307A (ja) | 強磁性金属粉末の製造方法 | |
| US5609789A (en) | Cobalt-containing magnetic iron oxide and process for producing the same | |
| JP3337046B2 (ja) | コバルトと鉄とを主成分とする紡錘状金属磁性粒子粉末及びその製造法 | |
| JPH0270003A (ja) | 強磁性鉄粉の処理方法 | |
| JPS6242858B2 (ko) | ||
| JPS6132258B2 (ko) | ||
| JPH05310431A (ja) | α−オキシ水酸化鉄およびこれを用いた磁気記録用磁性金属粉末の製造方法 | |
| JPS63140005A (ja) | 強磁性金属微粒子粉末の製造法 | |
| JPS639734B2 (ko) | ||
| JPS5935404A (ja) | コバルト被着磁性酸化鉄粉末の製造方法 | |
| EP0583621A1 (en) | Process for producing acicular gamma iron (III) oxyhydroxide particles | |
| JPH0114176B2 (ko) | ||
| JPH0521321B2 (ko) | ||
| JPS6323139B2 (ko) | ||
| JPS6411575B2 (ko) | ||
| JPS6132257B2 (ko) | ||
| JPS6081026A (ja) | コバルト含有磁性酸化鉄の製造方法 | |
| JPH0157482B2 (ko) |