JPH0425687B2 - - Google Patents
Info
- Publication number
- JPH0425687B2 JPH0425687B2 JP58021282A JP2128283A JPH0425687B2 JP H0425687 B2 JPH0425687 B2 JP H0425687B2 JP 58021282 A JP58021282 A JP 58021282A JP 2128283 A JP2128283 A JP 2128283A JP H0425687 B2 JPH0425687 B2 JP H0425687B2
- Authority
- JP
- Japan
- Prior art keywords
- cobalt
- compound
- iron oxide
- aqueous solution
- mol
- 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 84
- 239000000843 powder Substances 0.000 claims description 51
- 239000010941 cobalt Substances 0.000 claims description 33
- 229910017052 cobalt Inorganic materials 0.000 claims description 33
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 33
- 150000001869 cobalt compounds Chemical class 0.000 claims description 25
- 239000011572 manganese Substances 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 18
- 238000000151 deposition Methods 0.000 claims description 17
- -1 ferrous compound Chemical class 0.000 claims description 16
- 229910052748 manganese Inorganic materials 0.000 claims description 15
- 229910052720 vanadium Inorganic materials 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 4
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 description 39
- 238000000034 method Methods 0.000 description 35
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 239000002002 slurry Substances 0.000 description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 229910001566 austenite Inorganic materials 0.000 description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 239000007789 gas Substances 0.000 description 12
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 12
- 239000011230 binding agent Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 10
- 230000008021 deposition Effects 0.000 description 9
- 150000002697 manganese compounds Chemical class 0.000 description 9
- 150000001868 cobalt Chemical class 0.000 description 8
- 239000002270 dispersing agent Substances 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000003513 alkali Substances 0.000 description 7
- 239000012298 atmosphere Substances 0.000 description 7
- 150000002736 metal compounds Chemical class 0.000 description 7
- 230000001590 oxidative effect Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000032683 aging Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 229940044175 cobalt sulfate Drugs 0.000 description 6
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 6
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000011790 ferrous sulphate Substances 0.000 description 6
- 235000003891 ferrous sulphate Nutrition 0.000 description 6
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- 238000007664 blowing Methods 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 229940099596 manganese sulfate Drugs 0.000 description 5
- 239000011702 manganese sulphate Substances 0.000 description 5
- 235000007079 manganese sulphate Nutrition 0.000 description 5
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 230000005070 ripening Effects 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 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 2
- 229920001577 copolymer Polymers 0.000 description 2
- 230000005347 demagnetization Effects 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 150000003682 vanadium compounds Chemical class 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 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
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000010335 hydrothermal treatment 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
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 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
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- UUUGYDOQQLOJQA-UHFFFAOYSA-L vanadyl sulfate Chemical compound [V+2]=O.[O-]S([O-])(=O)=O UUUGYDOQQLOJQA-UHFFFAOYSA-L 0.000 description 1
- 229940041260 vanadyl sulfate Drugs 0.000 description 1
- 229910000352 vanadyl sulfate Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 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
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Paints Or Removers (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58021282A JPS59147414A (ja) | 1983-02-10 | 1983-02-10 | コバルト含有磁性酸化鉄粉末の製造方法 |
| AU13089/83A AU558199B2 (en) | 1982-09-16 | 1983-03-31 | Production of magnetic powder |
| KR1019830001384A KR880001711B1 (ko) | 1982-09-16 | 1983-04-04 | 자성분말의 제조방법 |
| CA000425211A CA1257961A (en) | 1982-09-16 | 1983-04-05 | Process for producing magnetic powder |
| US06/482,225 US4539261A (en) | 1982-09-16 | 1983-04-05 | Process for producing magnetic powder and product |
| DE19833312243 DE3312243A1 (de) | 1982-09-16 | 1983-04-05 | Verfahren zur herstellung eines magnetpulvers |
| GB08309296A GB2127797B (en) | 1982-09-16 | 1983-04-06 | Process for producing magnetic powder |
| FR8305623A FR2533206B1 (fr) | 1982-09-16 | 1983-04-06 | Procede de preparation d'une poudre magnetique a base d'oxyde de fer magnetique et produit obtenu |
| NL8301209A NL191291C (nl) | 1982-09-16 | 1983-04-06 | Werkwijze ter bereiding van een magnetisch poeder, alsmede registratiemedium dat een dergelijk poeder bevat. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58021282A JPS59147414A (ja) | 1983-02-10 | 1983-02-10 | コバルト含有磁性酸化鉄粉末の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59147414A JPS59147414A (ja) | 1984-08-23 |
| JPH0425687B2 true JPH0425687B2 (nl) | 1992-05-01 |
Family
ID=12050776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58021282A Granted JPS59147414A (ja) | 1982-09-16 | 1983-02-10 | コバルト含有磁性酸化鉄粉末の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59147414A (nl) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0676218B2 (ja) * | 1988-02-10 | 1994-09-28 | 石原産業株式会社 | コバルト含有強磁性酸化鉄の製造方法 |
| JPH0755832B2 (ja) * | 1988-09-19 | 1995-06-14 | 石原産業株式会社 | コバルト含有強磁性酸化鉄粉末の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55141712A (en) * | 1979-04-23 | 1980-11-05 | Basf Ag | Acicular magnetic iron oxide and method for producing same |
| JPS5818904A (ja) * | 1981-07-27 | 1983-02-03 | Ishihara Sangyo Kaisha Ltd | コバルト含有磁性酸化鉄の製造方法 |
-
1983
- 1983-02-10 JP JP58021282A patent/JPS59147414A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55141712A (en) * | 1979-04-23 | 1980-11-05 | Basf Ag | Acicular magnetic iron oxide and method for producing same |
| JPS5818904A (ja) * | 1981-07-27 | 1983-02-03 | Ishihara Sangyo Kaisha Ltd | コバルト含有磁性酸化鉄の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59147414A (ja) | 1984-08-23 |
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