JPS6324936B2 - - Google Patents
Info
- Publication number
- JPS6324936B2 JPS6324936B2 JP58233673A JP23367383A JPS6324936B2 JP S6324936 B2 JPS6324936 B2 JP S6324936B2 JP 58233673 A JP58233673 A JP 58233673A JP 23367383 A JP23367383 A JP 23367383A JP S6324936 B2 JPS6324936 B2 JP S6324936B2
- Authority
- JP
- Japan
- Prior art keywords
- iron oxide
- cobalt
- powder
- coercive force
- parts
- 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 62
- 239000006247 magnetic powder Substances 0.000 claims description 31
- 239000010941 cobalt Substances 0.000 claims description 20
- 229910017052 cobalt Inorganic materials 0.000 claims description 20
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 20
- 239000011324 bead Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000011521 glass Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 150000001868 cobalt Chemical class 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000005294 ferromagnetic effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000005291 magnetic effect Effects 0.000 description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000009826 distribution Methods 0.000 description 12
- 238000003756 stirring Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 7
- 229910001566 austenite Inorganic materials 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical class [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- MEYVLGVRTYSQHI-UHFFFAOYSA-L cobalt(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Co+2].[O-]S([O-])(=O)=O MEYVLGVRTYSQHI-UHFFFAOYSA-L 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
- 239000003973 paint Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical group N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- BGORGFZEVHFAQU-UHFFFAOYSA-L cobalt(2+);sulfate;hydrate Chemical compound O.[Co+2].[O-]S([O-])(=O)=O BGORGFZEVHFAQU-UHFFFAOYSA-L 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58233673A JPS60127243A (ja) | 1983-12-13 | 1983-12-13 | 強磁性酸化鉄粉末の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58233673A JPS60127243A (ja) | 1983-12-13 | 1983-12-13 | 強磁性酸化鉄粉末の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60127243A JPS60127243A (ja) | 1985-07-06 |
| JPS6324936B2 true JPS6324936B2 (OSRAM) | 1988-05-23 |
Family
ID=16958736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58233673A Granted JPS60127243A (ja) | 1983-12-13 | 1983-12-13 | 強磁性酸化鉄粉末の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60127243A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03155333A (ja) * | 1989-11-09 | 1991-07-03 | Kansai Keiki Kogyo Kk | 絶縁電線用バイパス安全装置 |
-
1983
- 1983-12-13 JP JP58233673A patent/JPS60127243A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03155333A (ja) * | 1989-11-09 | 1991-07-03 | Kansai Keiki Kogyo Kk | 絶縁電線用バイパス安全装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60127243A (ja) | 1985-07-06 |
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