JPH0114176B2 - - Google Patents
Info
- Publication number
- JPH0114176B2 JPH0114176B2 JP57150492A JP15049282A JPH0114176B2 JP H0114176 B2 JPH0114176 B2 JP H0114176B2 JP 57150492 A JP57150492 A JP 57150492A JP 15049282 A JP15049282 A JP 15049282A JP H0114176 B2 JPH0114176 B2 JP H0114176B2
- Authority
- JP
- Japan
- Prior art keywords
- mol
- minutes
- cobalt
- iron oxide
- ferrous
- 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 80
- 230000005291 magnetic effect Effects 0.000 claims description 35
- 239000000843 powder Substances 0.000 claims description 34
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 25
- 230000005294 ferromagnetic effect Effects 0.000 claims description 21
- 239000000725 suspension Substances 0.000 claims description 17
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 150000001868 cobalt Chemical class 0.000 claims description 10
- -1 ferrous compound Chemical class 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 150000001869 cobalt compounds Chemical class 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 3
- 235000013980 iron oxide Nutrition 0.000 description 36
- 239000007864 aqueous solution Substances 0.000 description 35
- 229940044175 cobalt sulfate Drugs 0.000 description 21
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 21
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 21
- 239000011790 ferrous sulphate Substances 0.000 description 17
- 235000003891 ferrous sulphate Nutrition 0.000 description 17
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 239000000243 solution Substances 0.000 description 14
- 238000003756 stirring Methods 0.000 description 13
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 229910017052 cobalt Inorganic materials 0.000 description 10
- 239000010941 cobalt Substances 0.000 description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 10
- 229910001566 austenite Inorganic materials 0.000 description 8
- 230000001590 oxidative effect Effects 0.000 description 8
- 238000007792 addition Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003513 alkali Substances 0.000 description 4
- 239000000203 mixture 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
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910001429 cobalt ion Inorganic materials 0.000 description 2
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010335 hydrothermal treatment Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 229910000859 α-Fe Inorganic materials 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
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910021503 Cobalt(II) hydroxide Inorganic materials 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
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 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
- 230000005587 bubbling Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 239000011247 coating layer 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
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 1
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- RFYUQSQGLHNNOY-UHFFFAOYSA-N cobalt;sulfuric acid Chemical compound [Co].OS(O)(=O)=O RFYUQSQGLHNNOY-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 229940083466 soybean lecithin Drugs 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57150492A JPS5939730A (ja) | 1982-08-30 | 1982-08-30 | 強磁性酸化鉄の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57150492A JPS5939730A (ja) | 1982-08-30 | 1982-08-30 | 強磁性酸化鉄の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5939730A JPS5939730A (ja) | 1984-03-05 |
| JPH0114176B2 true JPH0114176B2 (nl) | 1989-03-09 |
Family
ID=15498047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57150492A Granted JPS5939730A (ja) | 1982-08-30 | 1982-08-30 | 強磁性酸化鉄の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5939730A (nl) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS638223A (ja) * | 1986-06-27 | 1988-01-14 | Showa Denko Kk | 磁気記録用強磁性粉末の製造方法 |
-
1982
- 1982-08-30 JP JP57150492A patent/JPS5939730A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5939730A (ja) | 1984-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS608606B2 (ja) | 強磁性粉末の製法 | |
| JPH0134935B2 (nl) | ||
| KR890001971B1 (ko) | 코발트함유 자성산화철 분말의 제조방법 | |
| JPS597646B2 (ja) | γ−酸化鉄（３）の製法 | |
| KR890003881B1 (ko) | 코발트 및 제 1 철 함유 강자성 산화철의 제조방법 | |
| JPS5923505A (ja) | 磁性粉末 | |
| JPH0114176B2 (nl) | ||
| JPH0270003A (ja) | 強磁性鉄粉の処理方法 | |
| KR890000702B1 (ko) | 코발트-함유 자성 산화철 분말의 제조방법 | |
| JPS6132259B2 (nl) | ||
| JPH0585487B2 (nl) | ||
| JPH0633116A (ja) | 磁気記録媒体用強磁性金属粉末及びその製造方法 | |
| JP2946375B2 (ja) | 複合フェライト磁性粉の製造方法 | |
| JPS6132258B2 (nl) | ||
| JP2958370B2 (ja) | 複合フェライト磁性粉の製造方法 | |
| JPH02222464A (ja) | 磁性酸化鉄の製造方法及びそれから得られる顔料 | |
| KR100241694B1 (ko) | 강자성 산화철 분말 및 그 제조방법 | |
| JPS6411575B2 (nl) | ||
| JPS639734B2 (nl) | ||
| JPS6135132B2 (nl) | ||
| JPS6323135B2 (nl) | ||
| JPS6323139B2 (nl) | ||
| JPS5935404A (ja) | コバルト被着磁性酸化鉄粉末の製造方法 | |
| JPH0425686B2 (nl) | ||
| JPS6132257B2 (nl) |