JPS6117425A - 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 - Google Patents
紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法Info
- Publication number
- JPS6117425A JPS6117425A JP59136341A JP13634184A JPS6117425A JP S6117425 A JPS6117425 A JP S6117425A JP 59136341 A JP59136341 A JP 59136341A JP 13634184 A JP13634184 A JP 13634184A JP S6117425 A JPS6117425 A JP S6117425A
- Authority
- JP
- Japan
- Prior art keywords
- particles
- spindle
- shaped
- aqueous solution
- iron oxide
- 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
- 239000002245 particle Substances 0.000 title claims abstract description 248
- 239000000843 powder Substances 0.000 title claims abstract description 33
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title claims description 100
- 239000007864 aqueous solution Substances 0.000 claims abstract description 35
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 19
- 239000003513 alkali Substances 0.000 claims abstract description 16
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims abstract description 15
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 12
- 150000001868 cobalt Chemical class 0.000 claims abstract description 10
- 229910052595 hematite Inorganic materials 0.000 claims abstract description 7
- 239000011019 hematite Substances 0.000 claims abstract description 7
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 229910052598 goethite Inorganic materials 0.000 claims description 41
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 claims description 41
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 40
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 33
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 20
- 238000007254 oxidation reaction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 150000002505 iron Chemical class 0.000 claims 2
- 229910000015 iron(II) carbonate Inorganic materials 0.000 abstract description 5
- 239000000243 solution Substances 0.000 abstract description 5
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 17
- 238000000576 coating method Methods 0.000 description 17
- 239000010408 film Substances 0.000 description 14
- 230000005415 magnetization Effects 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 239000006249 magnetic particle Substances 0.000 description 9
- 238000000635 electron micrograph Methods 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 238000002441 X-ray diffraction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001747 exhibiting effect Effects 0.000 description 4
- 235000003891 ferrous sulphate Nutrition 0.000 description 4
- 239000011790 ferrous sulphate Substances 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 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
- 239000010410 layer Substances 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229940044175 cobalt sulfate Drugs 0.000 description 2
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910002588 FeOOH Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 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 1
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 235000012538 ammonium bicarbonate Nutrition 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000003993 interaction Effects 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
- 230000005389 magnetism Effects 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 235000019351 sodium silicates Nutrition 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- UTLZBWAGLRNNAY-UHFFFAOYSA-J thorium(4+);dicarbonate Chemical compound [Th+4].[O-]C([O-])=O.[O-]C([O-])=O UTLZBWAGLRNNAY-UHFFFAOYSA-J 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59136341A JPS6117425A (ja) | 1984-06-30 | 1984-06-30 | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 |
DE8585302834T DE3573039D1 (en) | 1984-04-28 | 1985-04-23 | Magnetic iron oxide particles |
EP85302834A EP0160496B1 (en) | 1984-04-28 | 1985-04-23 | Magnetic iron oxide particles |
US07/039,775 US4873010A (en) | 1984-04-28 | 1987-04-15 | Spindle-like magnetic iron oxide particles and process for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59136341A JPS6117425A (ja) | 1984-06-30 | 1984-06-30 | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6117425A true JPS6117425A (ja) | 1986-01-25 |
JPH0371378B2 JPH0371378B2 (enrdf_load_stackoverflow) | 1991-11-13 |
Family
ID=15172935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59136341A Granted JPS6117425A (ja) | 1984-04-28 | 1984-06-30 | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6117425A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5202550A (en) * | 1986-10-23 | 1993-04-13 | Skidata Computer Gesellschaft M.B.H. | Device for machine communication in data transmission |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60170906A (ja) * | 1984-02-16 | 1985-09-04 | Kanto Denka Kogyo Kk | Co分を含む紡錘状γ−Fe↓2O↓3磁性粉及びその製造方法 |
-
1984
- 1984-06-30 JP JP59136341A patent/JPS6117425A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60170906A (ja) * | 1984-02-16 | 1985-09-04 | Kanto Denka Kogyo Kk | Co分を含む紡錘状γ−Fe↓2O↓3磁性粉及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5202550A (en) * | 1986-10-23 | 1993-04-13 | Skidata Computer Gesellschaft M.B.H. | Device for machine communication in data transmission |
Also Published As
Publication number | Publication date |
---|---|
JPH0371378B2 (enrdf_load_stackoverflow) | 1991-11-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4873010A (en) | Spindle-like magnetic iron oxide particles and process for producing the same | |
US4495164A (en) | Process for producing acicular magnetite or acicular maghemite | |
JPS6117425A (ja) | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 | |
JPS60138002A (ja) | 紡錘型を呈した鉄を主成分とする金属磁性粒子粉末及びその製造法 | |
JPS6313941B2 (enrdf_load_stackoverflow) | ||
JPH107420A (ja) | コバルト被着型針状磁性酸化鉄粒子粉末 | |
JPH0430504A (ja) | 磁気記録用磁性粒子粉末の製造法 | |
JPH0120201B2 (enrdf_load_stackoverflow) | ||
JPS62158801A (ja) | 紡錘形状を呈した鉄を主成分とする金属磁性粒子粉末及びその製造法 | |
JPS61201626A (ja) | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 | |
JP3512053B2 (ja) | 磁気記録媒体の非磁性下地層用レピドクロサイト粒子粉末、磁気記録媒体の基体及び磁気記録媒体 | |
JP3171223B2 (ja) | 針状磁性粒子粉末の製造法 | |
JP3055308B2 (ja) | 針状磁性酸化鉄粒子粉末の製造法 | |
JP2897794B2 (ja) | コバルト被着型磁性酸化鉄粒子粉末の製造法 | |
JPS60231418A (ja) | 紡錘型を呈した磁性酸化鉄粒子粉末及びその製造法 | |
JP2970699B2 (ja) | 針状磁性酸化鉄粒子粉末の製造法 | |
JPS6313943B2 (enrdf_load_stackoverflow) | ||
JPS6114138A (ja) | 紡錘型を呈したヘマタイト粒子粉末の製造法 | |
JP2883962B2 (ja) | 針状ゲータイト粒子粉末の製造法 | |
JPH026801B2 (enrdf_load_stackoverflow) | ||
JPS6278119A (ja) | 紡錘型を呈したゲ−タイト粒子粉末の製造法 | |
JPS6114139A (ja) | 紡錘型を呈したヘマタイト粒子粉末の製造法 | |
JPH06171952A (ja) | 紡錘型を呈した磁性酸化鉄粒子粉末の製造法 | |
JPS61124501A (ja) | 紡錘型を呈した鉄を主成分とする金属磁性粒子粉末及びその製造法 | |
JPH0544414B2 (enrdf_load_stackoverflow) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |