JPS60170906A - Ｃｏ分を含む紡錘状γ−Ｆｅ↓２Ｏ↓３磁性粉及びその製造方法 - Google Patents
Ｃｏ分を含む紡錘状γ−Ｆｅ↓２Ｏ↓３磁性粉及びその製造方法Info
- Publication number
- JPS60170906A JPS60170906A JP59027849A JP2784984A JPS60170906A JP S60170906 A JPS60170906 A JP S60170906A JP 59027849 A JP59027849 A JP 59027849A JP 2784984 A JP2784984 A JP 2784984A JP S60170906 A JPS60170906 A JP S60170906A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic powder
- weight
- sio2
- fe2o3
- water
- 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 16
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 230000004907 flux Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 claims abstract description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 5
- 239000007864 aqueous solution Substances 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
- 229910001566 austenite Inorganic materials 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000005406 washing Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 9
- 229960002089 ferrous chloride Drugs 0.000 abstract description 7
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 3
- 229910006540 α-FeOOH Inorganic materials 0.000 abstract description 3
- 238000007254 oxidation reaction Methods 0.000 abstract description 2
- 229910052681 coesite Inorganic materials 0.000 abstract 4
- 229910052906 cristobalite Inorganic materials 0.000 abstract 4
- 239000000377 silicon dioxide Substances 0.000 abstract 4
- 235000012239 silicon dioxide Nutrition 0.000 abstract 4
- 229910052682 stishovite Inorganic materials 0.000 abstract 4
- 229910052905 tridymite Inorganic materials 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 3
- 239000011812 mixed powder Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000012545 processing Methods 0.000 abstract 1
- 238000010405 reoxidation reaction Methods 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 241000289669 Erinaceus europaeus Species 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000000877 morphologic effect Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910020489 SiO3 Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- GSOLWAFGMNOBSY-UHFFFAOYSA-N cobalt Chemical compound [Co][Co][Co][Co][Co][Co][Co][Co] GSOLWAFGMNOBSY-UHFFFAOYSA-N 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- -1 ferrous compound Chemical class 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59027849A JPS60170906A (ja) | 1984-02-16 | 1984-02-16 | Ｃｏ分を含む紡錘状γ−Ｆｅ↓２Ｏ↓３磁性粉及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59027849A JPS60170906A (ja) | 1984-02-16 | 1984-02-16 | Ｃｏ分を含む紡錘状γ−Ｆｅ↓２Ｏ↓３磁性粉及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60170906A true JPS60170906A (ja) | 1985-09-04 |
| JPH0416924B2 JPH0416924B2 (enrdf_load_stackoverflow) | 1992-03-25 |
Family
ID=12232361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59027849A Granted JPS60170906A (ja) | 1984-02-16 | 1984-02-16 | Ｃｏ分を含む紡錘状γ−Ｆｅ↓２Ｏ↓３磁性粉及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60170906A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6117425A (ja) * | 1984-06-30 | 1986-01-25 | Toda Kogyo Corp | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 |
| US5650131A (en) * | 1993-11-01 | 1997-07-22 | Minnesota Mining And Manufacturing Company | Process for making goethite |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626729A (en) * | 1979-08-11 | 1981-03-14 | Tdk Corp | Powdered magnetic material for magnetic recording medium |
-
1984
- 1984-02-16 JP JP59027849A patent/JPS60170906A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5626729A (en) * | 1979-08-11 | 1981-03-14 | Tdk Corp | Powdered magnetic material for magnetic recording medium |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6117425A (ja) * | 1984-06-30 | 1986-01-25 | Toda Kogyo Corp | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 |
| US5650131A (en) * | 1993-11-01 | 1997-07-22 | Minnesota Mining And Manufacturing Company | Process for making goethite |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416924B2 (enrdf_load_stackoverflow) | 1992-03-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |