JPS5923505A - 磁性粉末 - Google Patents
磁性粉末Info
- Publication number
- JPS5923505A JPS5923505A JP57133369A JP13336982A JPS5923505A JP S5923505 A JPS5923505 A JP S5923505A JP 57133369 A JP57133369 A JP 57133369A JP 13336982 A JP13336982 A JP 13336982A JP S5923505 A JPS5923505 A JP S5923505A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- aqueous solution
- iron oxide
- cobalt
- powder
- 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
- 239000006247 magnetic powder Substances 0.000 title claims abstract description 24
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 54
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000002244 precipitate Substances 0.000 claims description 6
- 229910017052 cobalt Inorganic materials 0.000 abstract description 26
- 239000010941 cobalt Substances 0.000 abstract description 26
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 abstract description 26
- 239000007864 aqueous solution Substances 0.000 abstract description 15
- 239000002002 slurry Substances 0.000 abstract description 14
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 abstract description 6
- 229910001388 sodium aluminate Inorganic materials 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 229910052708 sodium Inorganic materials 0.000 abstract description 3
- 239000011734 sodium Substances 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 229940044175 cobalt sulfate Drugs 0.000 abstract description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 abstract description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 abstract description 2
- 239000011790 ferrous sulphate Substances 0.000 abstract description 2
- 235000003891 ferrous sulphate Nutrition 0.000 abstract description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 abstract description 2
- 239000000696 magnetic material Substances 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 238000013019 agitation Methods 0.000 abstract 2
- 239000007767 bonding agent Substances 0.000 abstract 1
- 230000035800 maturation Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 6
- 150000002736 metal compounds Chemical class 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 150000001869 cobalt compounds Chemical class 0.000 description 5
- 229910052681 coesite Inorganic materials 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 229910052906 cristobalite Inorganic materials 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 229910052682 stishovite Inorganic materials 0.000 description 5
- POWFTOSLLWLEBN-UHFFFAOYSA-N tetrasodium;silicate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-][Si]([O-])([O-])[O-] POWFTOSLLWLEBN-UHFFFAOYSA-N 0.000 description 5
- 229910052905 tridymite Inorganic materials 0.000 description 5
- 229910052593 corundum Inorganic materials 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- -1 ferrous compound Chemical class 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920005749 polyurethane resin Polymers 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 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
- 238000000975 co-precipitation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- IJKVHSBPTUYDLN-UHFFFAOYSA-N dihydroxy(oxo)silane Chemical compound O[Si](O)=O IJKVHSBPTUYDLN-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- 150000002344 gold compounds Chemical class 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 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
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- KVOIJEARBNBHHP-UHFFFAOYSA-N potassium;oxido(oxo)alumane Chemical compound [K+].[O-][Al]=O KVOIJEARBNBHHP-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- G11B5/712—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 surface treatment or coating of magnetic particles
Landscapes
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57133369A JPS5923505A (ja) | 1982-07-30 | 1982-07-30 | 磁性粉末 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57133369A JPS5923505A (ja) | 1982-07-30 | 1982-07-30 | 磁性粉末 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5923505A true JPS5923505A (ja) | 1984-02-07 |
| JPH059922B2 JPH059922B2 (enrdf_load_stackoverflow) | 1993-02-08 |
Family
ID=15103111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57133369A Granted JPS5923505A (ja) | 1982-07-30 | 1982-07-30 | 磁性粉末 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5923505A (enrdf_load_stackoverflow) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6461324A (en) * | 1987-08-28 | 1989-03-08 | Toda Kogyo Corp | Magnetic particulate powder and production thereof |
| JPH01203226A (ja) * | 1988-02-10 | 1989-08-16 | Ishihara Sangyo Kaisha Ltd | コバルト含有強磁性酸化鉄の製造方法 |
| JPH01298030A (ja) * | 1988-05-25 | 1989-12-01 | Toda Kogyo Corp | 磁性粒子粉末及びその製造法 |
| JPH0283219A (ja) * | 1988-09-19 | 1990-03-23 | Ishihara Sangyo Kaisha Ltd | コバルト含有強磁性酸化鉄粉末の製造方法 |
| JPH04192116A (ja) * | 1990-11-27 | 1992-07-10 | Fuji Photo Film Co Ltd | 透明度の改良された磁性材料 |
| US5229259A (en) * | 1990-08-13 | 1993-07-20 | Fuji Photo Film Co., Ltd. | Silver halide photographic material |
| US5484545A (en) * | 1992-11-11 | 1996-01-16 | Toda Kogyo Corporation | Magnetic particles for magnetic recording medium and process for producing the same |
| EP0775934A1 (en) | 1995-11-22 | 1997-05-28 | Fuji Photo Film Co., Ltd. | Hot stamping method and apparatus for photo film spool |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54137696A (en) * | 1978-04-12 | 1979-10-25 | Bayer Ag | Iron oxide grain for recording magnetism and its preparation |
| JPS5729523A (en) * | 1980-07-26 | 1982-02-17 | Sumitomo Metal Ind Ltd | Preventing method for pickup in hearth roll type heat treatment furnace |
-
1982
- 1982-07-30 JP JP57133369A patent/JPS5923505A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54137696A (en) * | 1978-04-12 | 1979-10-25 | Bayer Ag | Iron oxide grain for recording magnetism and its preparation |
| JPS5729523A (en) * | 1980-07-26 | 1982-02-17 | Sumitomo Metal Ind Ltd | Preventing method for pickup in hearth roll type heat treatment furnace |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6461324A (en) * | 1987-08-28 | 1989-03-08 | Toda Kogyo Corp | Magnetic particulate powder and production thereof |
| JPH01203226A (ja) * | 1988-02-10 | 1989-08-16 | Ishihara Sangyo Kaisha Ltd | コバルト含有強磁性酸化鉄の製造方法 |
| JPH01298030A (ja) * | 1988-05-25 | 1989-12-01 | Toda Kogyo Corp | 磁性粒子粉末及びその製造法 |
| JPH0283219A (ja) * | 1988-09-19 | 1990-03-23 | Ishihara Sangyo Kaisha Ltd | コバルト含有強磁性酸化鉄粉末の製造方法 |
| US5229259A (en) * | 1990-08-13 | 1993-07-20 | Fuji Photo Film Co., Ltd. | Silver halide photographic material |
| JPH04192116A (ja) * | 1990-11-27 | 1992-07-10 | Fuji Photo Film Co Ltd | 透明度の改良された磁性材料 |
| US5484545A (en) * | 1992-11-11 | 1996-01-16 | Toda Kogyo Corporation | Magnetic particles for magnetic recording medium and process for producing the same |
| US5543069A (en) * | 1992-11-11 | 1996-08-06 | Toda Kogyo Corporation | Magnetic particles for magnetic recording medium and process for producing the same |
| EP0775934A1 (en) | 1995-11-22 | 1997-05-28 | Fuji Photo Film Co., Ltd. | Hot stamping method and apparatus for photo film spool |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH059922B2 (enrdf_load_stackoverflow) | 1993-02-08 |
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